./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label53.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/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/eca-rers2012/Problem11_label53.c -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.graphml --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 536fb035d928713a90d5c84a48f9ef94bf2f10bc408883dd0d7e11d670c7e07b --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 23:42:29,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 23:42:29,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 23:42:29,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 23:42:29,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 23:42:29,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 23:42:29,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 23:42:29,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 23:42:29,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 23:42:29,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 23:42:29,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 23:42:29,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 23:42:29,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 23:42:29,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 23:42:29,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 23:42:29,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 23:42:29,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 23:42:29,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 23:42:29,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 23:42:29,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 23:42:29,909 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 23:42:29,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 23:42:29,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 23:42:29,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 23:42:29,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 23:42:29,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 23:42:29,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 23:42:29,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 23:42:29,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 23:42:29,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 23:42:29,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 23:42:29,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 23:42:29,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 23:42:29,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 23:42:29,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 23:42:29,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 23:42:29,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 23:42:29,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 23:42:29,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 23:42:29,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 23:42:29,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 23:42:29,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 23:42:29,932 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 23:42:29,958 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 23:42:29,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 23:42:29,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 23:42:29,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 23:42:29,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 23:42:29,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 23:42:29,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 23:42:29,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 23:42:29,961 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 23:42:29,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 23:42:29,961 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 23:42:29,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 23:42:29,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 23:42:29,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 23:42:29,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 23:42:29,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 23:42:29,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 23:42:29,967 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 23:42:29,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 23:42:29,967 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 23:42:29,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 23:42:29,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 23:42:29,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 23:42:29,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 23:42:29,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:42:29,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 23:42:29,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 23:42:29,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 23:42:29,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 23:42:29,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 23:42:29,969 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 23:42:29,969 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 23:42:29,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 23:42:29,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536fb035d928713a90d5c84a48f9ef94bf2f10bc408883dd0d7e11d670c7e07b [2022-07-20 23:42:30,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 23:42:30,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 23:42:30,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 23:42:30,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 23:42:30,261 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 23:42:30,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2022-07-20 23:42:30,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee2528f7d/c1b010329da246239b2ba653a9e8af2c/FLAG5cb12af0c [2022-07-20 23:42:30,701 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 23:42:30,702 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label53.c [2022-07-20 23:42:30,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee2528f7d/c1b010329da246239b2ba653a9e8af2c/FLAG5cb12af0c [2022-07-20 23:42:31,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee2528f7d/c1b010329da246239b2ba653a9e8af2c [2022-07-20 23:42:31,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 23:42:31,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 23:42:31,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 23:42:31,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 23:42:31,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 23:42:31,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e446385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31, skipping insertion in model container [2022-07-20 23:42:31,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 23:42:31,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 23:42:31,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label53.c[6841,6854] [2022-07-20 23:42:31,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:42:31,446 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 23:42:31,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label53.c[6841,6854] [2022-07-20 23:42:31,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 23:42:31,577 INFO L208 MainTranslator]: Completed translation [2022-07-20 23:42:31,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31 WrapperNode [2022-07-20 23:42:31,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 23:42:31,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 23:42:31,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 23:42:31,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 23:42:31,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,686 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-20 23:42:31,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 23:42:31,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 23:42:31,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 23:42:31,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 23:42:31,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 23:42:31,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 23:42:31,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 23:42:31,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 23:42:31,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (1/1) ... [2022-07-20 23:42:31,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 23:42:31,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:42:31,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 23:42:31,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 23:42:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 23:42:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 23:42:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 23:42:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 23:42:31,893 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 23:42:31,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 23:42:33,002 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 23:42:33,013 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 23:42:33,013 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 23:42:33,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:42:33 BoogieIcfgContainer [2022-07-20 23:42:33,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 23:42:33,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 23:42:33,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 23:42:33,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 23:42:33,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 11:42:31" (1/3) ... [2022-07-20 23:42:33,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b2686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:42:33, skipping insertion in model container [2022-07-20 23:42:33,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 11:42:31" (2/3) ... [2022-07-20 23:42:33,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b2686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 11:42:33, skipping insertion in model container [2022-07-20 23:42:33,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:42:33" (3/3) ... [2022-07-20 23:42:33,019 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label53.c [2022-07-20 23:42:33,029 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 23:42:33,029 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 23:42:33,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 23:42:33,089 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6189cab3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7b88faa2 [2022-07-20 23:42:33,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 23:42:33,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:33,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-20 23:42:33,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:33,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:33,103 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:33,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:33,105 INFO L85 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2022-07-20 23:42:33,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:33,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554369457] [2022-07-20 23:42:33,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:33,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:33,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:33,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:33,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554369457] [2022-07-20 23:42:33,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554369457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:33,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:33,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:42:33,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304071996] [2022-07-20 23:42:33,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:33,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:33,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:33,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:33,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:33,344 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:34,174 INFO L93 Difference]: Finished difference Result 769 states and 1360 transitions. [2022-07-20 23:42:34,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:34,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-07-20 23:42:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:34,184 INFO L225 Difference]: With dead ends: 769 [2022-07-20 23:42:34,185 INFO L226 Difference]: Without dead ends: 422 [2022-07-20 23:42:34,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:34,189 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 193 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:34,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 163 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 23:42:34,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-07-20 23:42:34,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2022-07-20 23:42:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.5231143552311435) internal successors, (626), 411 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2022-07-20 23:42:34,265 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 47 [2022-07-20 23:42:34,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:34,266 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2022-07-20 23:42:34,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2022-07-20 23:42:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-20 23:42:34,269 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:34,269 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:34,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 23:42:34,269 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:34,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:34,270 INFO L85 PathProgramCache]: Analyzing trace with hash 822269331, now seen corresponding path program 1 times [2022-07-20 23:42:34,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:34,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799213915] [2022-07-20 23:42:34,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:34,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:34,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:34,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799213915] [2022-07-20 23:42:34,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799213915] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:34,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:34,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:42:34,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252820211] [2022-07-20 23:42:34,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:34,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:34,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:34,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:34,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:34,396 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:34,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:34,930 INFO L93 Difference]: Finished difference Result 1194 states and 1821 transitions. [2022-07-20 23:42:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:34,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-07-20 23:42:34,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:34,934 INFO L225 Difference]: With dead ends: 1194 [2022-07-20 23:42:34,934 INFO L226 Difference]: Without dead ends: 784 [2022-07-20 23:42:34,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:34,936 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 175 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:34,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 154 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:42:34,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2022-07-20 23:42:34,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2022-07-20 23:42:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 1.3742017879948913) internal successors, (1076), 783 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1076 transitions. [2022-07-20 23:42:34,962 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1076 transitions. Word has length 113 [2022-07-20 23:42:34,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:34,962 INFO L495 AbstractCegarLoop]: Abstraction has 784 states and 1076 transitions. [2022-07-20 23:42:34,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:34,962 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1076 transitions. [2022-07-20 23:42:34,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-20 23:42:34,965 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:34,965 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:34,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 23:42:34,965 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:34,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:34,966 INFO L85 PathProgramCache]: Analyzing trace with hash -995772387, now seen corresponding path program 1 times [2022-07-20 23:42:34,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:34,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580719865] [2022-07-20 23:42:34,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:34,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:35,065 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:35,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:35,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580719865] [2022-07-20 23:42:35,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580719865] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:35,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:35,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 23:42:35,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687095423] [2022-07-20 23:42:35,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:35,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:35,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:35,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:35,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:35,068 INFO L87 Difference]: Start difference. First operand 784 states and 1076 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:35,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:35,665 INFO L93 Difference]: Finished difference Result 1936 states and 2599 transitions. [2022-07-20 23:42:35,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:35,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-07-20 23:42:35,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:35,669 INFO L225 Difference]: With dead ends: 1936 [2022-07-20 23:42:35,669 INFO L226 Difference]: Without dead ends: 1154 [2022-07-20 23:42:35,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:35,670 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:35,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:42:35,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2022-07-20 23:42:35,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1153. [2022-07-20 23:42:35,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.2699652777777777) internal successors, (1463), 1152 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:35,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1463 transitions. [2022-07-20 23:42:35,685 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1463 transitions. Word has length 117 [2022-07-20 23:42:35,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:35,686 INFO L495 AbstractCegarLoop]: Abstraction has 1153 states and 1463 transitions. [2022-07-20 23:42:35,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 2 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:35,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1463 transitions. [2022-07-20 23:42:35,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-20 23:42:35,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:35,688 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:35,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 23:42:35,688 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:35,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:35,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1474139372, now seen corresponding path program 1 times [2022-07-20 23:42:35,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:35,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49973523] [2022-07-20 23:42:35,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:35,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:35,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:35,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49973523] [2022-07-20 23:42:35,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49973523] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:35,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:35,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:35,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896161500] [2022-07-20 23:42:35,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:35,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:35,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:35,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:35,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:35,792 INFO L87 Difference]: Start difference. First operand 1153 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:36,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:36,361 INFO L93 Difference]: Finished difference Result 2679 states and 3481 transitions. [2022-07-20 23:42:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:36,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2022-07-20 23:42:36,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:36,367 INFO L225 Difference]: With dead ends: 2679 [2022-07-20 23:42:36,367 INFO L226 Difference]: Without dead ends: 1712 [2022-07-20 23:42:36,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:36,369 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 159 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:36,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 332 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:42:36,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2022-07-20 23:42:36,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1521. [2022-07-20 23:42:36,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1520 states have (on average 1.255921052631579) internal successors, (1909), 1520 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1909 transitions. [2022-07-20 23:42:36,404 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1909 transitions. Word has length 159 [2022-07-20 23:42:36,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:36,405 INFO L495 AbstractCegarLoop]: Abstraction has 1521 states and 1909 transitions. [2022-07-20 23:42:36,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1909 transitions. [2022-07-20 23:42:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-20 23:42:36,407 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:36,407 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:36,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 23:42:36,408 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:36,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:36,408 INFO L85 PathProgramCache]: Analyzing trace with hash -47300224, now seen corresponding path program 1 times [2022-07-20 23:42:36,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:36,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944136516] [2022-07-20 23:42:36,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:36,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-20 23:42:36,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:36,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944136516] [2022-07-20 23:42:36,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944136516] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:36,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:36,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:36,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793195604] [2022-07-20 23:42:36,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:36,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:36,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:36,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:36,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:36,501 INFO L87 Difference]: Start difference. First operand 1521 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:37,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:37,120 INFO L93 Difference]: Finished difference Result 3597 states and 4559 transitions. [2022-07-20 23:42:37,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:37,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229 [2022-07-20 23:42:37,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:37,125 INFO L225 Difference]: With dead ends: 3597 [2022-07-20 23:42:37,126 INFO L226 Difference]: Without dead ends: 2078 [2022-07-20 23:42:37,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:37,143 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 150 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:37,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 391 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:42:37,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2022-07-20 23:42:37,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1889. [2022-07-20 23:42:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1888 states have (on average 1.2473516949152543) internal successors, (2355), 1888 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:37,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2355 transitions. [2022-07-20 23:42:37,175 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2355 transitions. Word has length 229 [2022-07-20 23:42:37,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:37,175 INFO L495 AbstractCegarLoop]: Abstraction has 1889 states and 2355 transitions. [2022-07-20 23:42:37,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:37,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2355 transitions. [2022-07-20 23:42:37,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-20 23:42:37,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:37,178 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:37,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 23:42:37,178 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:37,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:37,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1662120667, now seen corresponding path program 1 times [2022-07-20 23:42:37,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:37,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895626370] [2022-07-20 23:42:37,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:37,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:37,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:37,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895626370] [2022-07-20 23:42:37,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895626370] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:37,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:37,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:37,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153259785] [2022-07-20 23:42:37,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:37,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:37,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:37,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:37,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:37,284 INFO L87 Difference]: Start difference. First operand 1889 states and 2355 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:37,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:37,897 INFO L93 Difference]: Finished difference Result 5075 states and 6326 transitions. [2022-07-20 23:42:37,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:37,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 256 [2022-07-20 23:42:37,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:37,906 INFO L225 Difference]: With dead ends: 5075 [2022-07-20 23:42:37,906 INFO L226 Difference]: Without dead ends: 3188 [2022-07-20 23:42:37,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:37,911 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 121 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:37,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 142 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:42:37,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2022-07-20 23:42:37,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 3186. [2022-07-20 23:42:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 3185 states have (on average 1.2156985871271586) internal successors, (3872), 3185 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 3872 transitions. [2022-07-20 23:42:37,961 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 3872 transitions. Word has length 256 [2022-07-20 23:42:37,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:37,962 INFO L495 AbstractCegarLoop]: Abstraction has 3186 states and 3872 transitions. [2022-07-20 23:42:37,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:37,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 3872 transitions. [2022-07-20 23:42:37,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-07-20 23:42:37,965 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:37,965 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:37,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 23:42:37,966 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:37,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:37,966 INFO L85 PathProgramCache]: Analyzing trace with hash -287769023, now seen corresponding path program 1 times [2022-07-20 23:42:37,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:37,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708840278] [2022-07-20 23:42:37,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:37,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-20 23:42:38,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:38,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708840278] [2022-07-20 23:42:38,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708840278] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:38,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:38,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:38,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051329984] [2022-07-20 23:42:38,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:38,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:38,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:38,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:38,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:38,084 INFO L87 Difference]: Start difference. First operand 3186 states and 3872 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:38,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:38,650 INFO L93 Difference]: Finished difference Result 6928 states and 8407 transitions. [2022-07-20 23:42:38,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:38,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 265 [2022-07-20 23:42:38,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:38,673 INFO L225 Difference]: With dead ends: 6928 [2022-07-20 23:42:38,673 INFO L226 Difference]: Without dead ends: 3744 [2022-07-20 23:42:38,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:38,677 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 173 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:38,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 140 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:42:38,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2022-07-20 23:42:38,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3186. [2022-07-20 23:42:38,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 3185 states have (on average 1.2156985871271586) internal successors, (3872), 3185 states have internal predecessors, (3872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:38,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 3872 transitions. [2022-07-20 23:42:38,740 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 3872 transitions. Word has length 265 [2022-07-20 23:42:38,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:38,741 INFO L495 AbstractCegarLoop]: Abstraction has 3186 states and 3872 transitions. [2022-07-20 23:42:38,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:38,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 3872 transitions. [2022-07-20 23:42:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-20 23:42:38,744 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:38,744 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:38,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 23:42:38,744 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:38,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:38,745 INFO L85 PathProgramCache]: Analyzing trace with hash -592217694, now seen corresponding path program 1 times [2022-07-20 23:42:38,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:38,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227524448] [2022-07-20 23:42:38,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:38,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:38,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:38,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227524448] [2022-07-20 23:42:38,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227524448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:38,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:38,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:42:38,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388935885] [2022-07-20 23:42:38,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:38,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 23:42:38,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:38,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 23:42:38,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-20 23:42:38,862 INFO L87 Difference]: Start difference. First operand 3186 states and 3872 transitions. Second operand has 5 states, 5 states have (on average 53.2) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:40,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:40,263 INFO L93 Difference]: Finished difference Result 11357 states and 13866 transitions. [2022-07-20 23:42:40,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 23:42:40,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 266 [2022-07-20 23:42:40,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:40,283 INFO L225 Difference]: With dead ends: 11357 [2022-07-20 23:42:40,283 INFO L226 Difference]: Without dead ends: 8173 [2022-07-20 23:42:40,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-07-20 23:42:40,288 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 383 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 2206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:40,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 151 Invalid, 2206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 1888 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-20 23:42:40,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8173 states. [2022-07-20 23:42:40,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8173 to 7978. [2022-07-20 23:42:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7978 states, 7977 states have (on average 1.184655885671305) internal successors, (9450), 7977 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:40,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7978 states to 7978 states and 9450 transitions. [2022-07-20 23:42:40,432 INFO L78 Accepts]: Start accepts. Automaton has 7978 states and 9450 transitions. Word has length 266 [2022-07-20 23:42:40,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:40,433 INFO L495 AbstractCegarLoop]: Abstraction has 7978 states and 9450 transitions. [2022-07-20 23:42:40,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.2) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:40,433 INFO L276 IsEmpty]: Start isEmpty. Operand 7978 states and 9450 transitions. [2022-07-20 23:42:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-07-20 23:42:40,437 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:40,437 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:40,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 23:42:40,437 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:40,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:40,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1968548590, now seen corresponding path program 1 times [2022-07-20 23:42:40,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:40,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722894965] [2022-07-20 23:42:40,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:40,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:40,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:40,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722894965] [2022-07-20 23:42:40,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722894965] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:40,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:40,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:40,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397320870] [2022-07-20 23:42:40,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:40,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:40,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:40,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:40,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:40,538 INFO L87 Difference]: Start difference. First operand 7978 states and 9450 transitions. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:41,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:41,116 INFO L93 Difference]: Finished difference Result 15584 states and 18510 transitions. [2022-07-20 23:42:41,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:41,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2022-07-20 23:42:41,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:41,147 INFO L225 Difference]: With dead ends: 15584 [2022-07-20 23:42:41,148 INFO L226 Difference]: Without dead ends: 7976 [2022-07-20 23:42:41,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:41,157 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 136 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:41,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 304 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:42:41,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7976 states. [2022-07-20 23:42:41,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7976 to 7792. [2022-07-20 23:42:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7792 states, 7791 states have (on average 1.145295854190733) internal successors, (8923), 7791 states have internal predecessors, (8923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7792 states to 7792 states and 8923 transitions. [2022-07-20 23:42:41,264 INFO L78 Accepts]: Start accepts. Automaton has 7792 states and 8923 transitions. Word has length 271 [2022-07-20 23:42:41,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:41,265 INFO L495 AbstractCegarLoop]: Abstraction has 7792 states and 8923 transitions. [2022-07-20 23:42:41,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 7792 states and 8923 transitions. [2022-07-20 23:42:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-07-20 23:42:41,270 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:41,270 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:41,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 23:42:41,270 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:41,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:41,271 INFO L85 PathProgramCache]: Analyzing trace with hash 63284525, now seen corresponding path program 1 times [2022-07-20 23:42:41,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:41,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787056185] [2022-07-20 23:42:41,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:41,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:41,394 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:41,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:41,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787056185] [2022-07-20 23:42:41,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787056185] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:41,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:41,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:42:41,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423276422] [2022-07-20 23:42:41,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:41,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:42:41,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:41,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:42:41,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:42:41,396 INFO L87 Difference]: Start difference. First operand 7792 states and 8923 transitions. Second operand has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:42,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:42,332 INFO L93 Difference]: Finished difference Result 17060 states and 19558 transitions. [2022-07-20 23:42:42,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:42:42,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2022-07-20 23:42:42,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:42,364 INFO L225 Difference]: With dead ends: 17060 [2022-07-20 23:42:42,365 INFO L226 Difference]: Without dead ends: 9638 [2022-07-20 23:42:42,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:42:42,369 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 270 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:42,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 96 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 23:42:42,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9638 states. [2022-07-20 23:42:42,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9638 to 9632. [2022-07-20 23:42:42,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9632 states, 9631 states have (on average 1.1318658498598277) internal successors, (10901), 9631 states have internal predecessors, (10901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9632 states to 9632 states and 10901 transitions. [2022-07-20 23:42:42,447 INFO L78 Accepts]: Start accepts. Automaton has 9632 states and 10901 transitions. Word has length 283 [2022-07-20 23:42:42,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:42,448 INFO L495 AbstractCegarLoop]: Abstraction has 9632 states and 10901 transitions. [2022-07-20 23:42:42,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.75) internal successors, (283), 4 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:42,448 INFO L276 IsEmpty]: Start isEmpty. Operand 9632 states and 10901 transitions. [2022-07-20 23:42:42,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-07-20 23:42:42,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:42,453 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:42,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 23:42:42,454 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:42,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:42,455 INFO L85 PathProgramCache]: Analyzing trace with hash 240124637, now seen corresponding path program 1 times [2022-07-20 23:42:42,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:42,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212816846] [2022-07-20 23:42:42,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:42,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-07-20 23:42:42,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:42,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212816846] [2022-07-20 23:42:42,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212816846] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:42,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:42,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:42,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681116419] [2022-07-20 23:42:42,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:42,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:42,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:42,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:42,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:42,567 INFO L87 Difference]: Start difference. First operand 9632 states and 10901 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:43,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:43,188 INFO L93 Difference]: Finished difference Result 19631 states and 22247 transitions. [2022-07-20 23:42:43,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:43,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 315 [2022-07-20 23:42:43,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:43,201 INFO L225 Difference]: With dead ends: 19631 [2022-07-20 23:42:43,202 INFO L226 Difference]: Without dead ends: 10369 [2022-07-20 23:42:43,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:43,210 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 172 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:43,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 124 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:42:43,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10369 states. [2022-07-20 23:42:43,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10369 to 8888. [2022-07-20 23:42:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8888 states, 8887 states have (on average 1.1301901654101496) internal successors, (10044), 8887 states have internal predecessors, (10044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8888 states to 8888 states and 10044 transitions. [2022-07-20 23:42:43,297 INFO L78 Accepts]: Start accepts. Automaton has 8888 states and 10044 transitions. Word has length 315 [2022-07-20 23:42:43,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:43,298 INFO L495 AbstractCegarLoop]: Abstraction has 8888 states and 10044 transitions. [2022-07-20 23:42:43,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 8888 states and 10044 transitions. [2022-07-20 23:42:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-20 23:42:43,308 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:43,308 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:43,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 23:42:43,308 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:43,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:43,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1241149180, now seen corresponding path program 1 times [2022-07-20 23:42:43,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:43,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220602434] [2022-07-20 23:42:43,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:43,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-07-20 23:42:43,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:43,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220602434] [2022-07-20 23:42:43,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220602434] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:43,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:43,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:43,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030173875] [2022-07-20 23:42:43,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:43,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:43,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:43,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:43,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:43,453 INFO L87 Difference]: Start difference. First operand 8888 states and 10044 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:44,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:44,055 INFO L93 Difference]: Finished difference Result 18334 states and 20776 transitions. [2022-07-20 23:42:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:44,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 412 [2022-07-20 23:42:44,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:44,069 INFO L225 Difference]: With dead ends: 18334 [2022-07-20 23:42:44,069 INFO L226 Difference]: Without dead ends: 9816 [2022-07-20 23:42:44,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:44,078 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 65 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:44,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 363 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:42:44,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9816 states. [2022-07-20 23:42:44,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9816 to 9813. [2022-07-20 23:42:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9813 states, 9812 states have (on average 1.1271911944557684) internal successors, (11060), 9812 states have internal predecessors, (11060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9813 states to 9813 states and 11060 transitions. [2022-07-20 23:42:44,189 INFO L78 Accepts]: Start accepts. Automaton has 9813 states and 11060 transitions. Word has length 412 [2022-07-20 23:42:44,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:44,189 INFO L495 AbstractCegarLoop]: Abstraction has 9813 states and 11060 transitions. [2022-07-20 23:42:44,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:44,190 INFO L276 IsEmpty]: Start isEmpty. Operand 9813 states and 11060 transitions. [2022-07-20 23:42:44,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-07-20 23:42:44,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:44,201 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:44,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 23:42:44,202 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:44,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:44,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1908588689, now seen corresponding path program 1 times [2022-07-20 23:42:44,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:44,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958412123] [2022-07-20 23:42:44,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:44,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 462 proven. 78 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-07-20 23:42:44,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:44,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958412123] [2022-07-20 23:42:44,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958412123] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:42:44,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906682142] [2022-07-20 23:42:44,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:44,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:42:44,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:42:44,424 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) [2022-07-20 23:42:44,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 23:42:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:44,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 23:42:44,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:42:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-07-20 23:42:44,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:42:44,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906682142] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:44,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:42:44,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-20 23:42:44,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508144269] [2022-07-20 23:42:44,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:44,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:44,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:44,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:44,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 23:42:44,837 INFO L87 Difference]: Start difference. First operand 9813 states and 11060 transitions. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:45,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:45,409 INFO L93 Difference]: Finished difference Result 19441 states and 21929 transitions. [2022-07-20 23:42:45,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:45,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 416 [2022-07-20 23:42:45,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:45,425 INFO L225 Difference]: With dead ends: 19441 [2022-07-20 23:42:45,425 INFO L226 Difference]: Without dead ends: 9998 [2022-07-20 23:42:45,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 23:42:45,435 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 127 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:45,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 173 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:42:45,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9998 states. [2022-07-20 23:42:45,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9998 to 9813. [2022-07-20 23:42:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9813 states, 9812 states have (on average 1.1229107215654301) internal successors, (11018), 9812 states have internal predecessors, (11018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9813 states to 9813 states and 11018 transitions. [2022-07-20 23:42:45,567 INFO L78 Accepts]: Start accepts. Automaton has 9813 states and 11018 transitions. Word has length 416 [2022-07-20 23:42:45,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:45,568 INFO L495 AbstractCegarLoop]: Abstraction has 9813 states and 11018 transitions. [2022-07-20 23:42:45,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 9813 states and 11018 transitions. [2022-07-20 23:42:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-07-20 23:42:45,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:45,580 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:45,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 23:42:45,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-20 23:42:45,799 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:45,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:45,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1076489507, now seen corresponding path program 1 times [2022-07-20 23:42:45,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:45,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056696984] [2022-07-20 23:42:45,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:45,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:46,064 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 393 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-20 23:42:46,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:46,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056696984] [2022-07-20 23:42:46,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056696984] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:46,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:46,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 23:42:46,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635487622] [2022-07-20 23:42:46,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:46,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 23:42:46,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:46,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 23:42:46,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 23:42:46,067 INFO L87 Difference]: Start difference. First operand 9813 states and 11018 transitions. Second operand has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 6 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:47,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:47,356 INFO L93 Difference]: Finished difference Result 22949 states and 25728 transitions. [2022-07-20 23:42:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 23:42:47,356 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 6 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 417 [2022-07-20 23:42:47,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:47,376 INFO L225 Difference]: With dead ends: 22949 [2022-07-20 23:42:47,377 INFO L226 Difference]: Without dead ends: 13506 [2022-07-20 23:42:47,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-20 23:42:47,387 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 310 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 2087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:47,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 218 Invalid, 2087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 23:42:47,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13506 states. [2022-07-20 23:42:47,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13506 to 12944. [2022-07-20 23:42:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12944 states, 12943 states have (on average 1.1209920420304411) internal successors, (14509), 12943 states have internal predecessors, (14509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12944 states to 12944 states and 14509 transitions. [2022-07-20 23:42:47,548 INFO L78 Accepts]: Start accepts. Automaton has 12944 states and 14509 transitions. Word has length 417 [2022-07-20 23:42:47,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:47,548 INFO L495 AbstractCegarLoop]: Abstraction has 12944 states and 14509 transitions. [2022-07-20 23:42:47,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 6 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand 12944 states and 14509 transitions. [2022-07-20 23:42:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-20 23:42:47,559 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:47,559 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:47,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 23:42:47,560 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:47,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:47,561 INFO L85 PathProgramCache]: Analyzing trace with hash 835183340, now seen corresponding path program 1 times [2022-07-20 23:42:47,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:47,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584286533] [2022-07-20 23:42:47,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:47,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-20 23:42:47,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:47,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584286533] [2022-07-20 23:42:47,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584286533] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:47,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:47,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:47,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992847724] [2022-07-20 23:42:47,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:47,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:47,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:47,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:47,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:47,684 INFO L87 Difference]: Start difference. First operand 12944 states and 14509 transitions. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:48,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:48,371 INFO L93 Difference]: Finished difference Result 28094 states and 31494 transitions. [2022-07-20 23:42:48,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:48,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 418 [2022-07-20 23:42:48,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:48,384 INFO L225 Difference]: With dead ends: 28094 [2022-07-20 23:42:48,384 INFO L226 Difference]: Without dead ends: 13491 [2022-07-20 23:42:48,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:48,391 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 122 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:48,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 323 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:42:48,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13491 states. [2022-07-20 23:42:48,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13491 to 13491. [2022-07-20 23:42:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13491 states, 13490 states have (on average 1.1066716085989623) internal successors, (14929), 13490 states have internal predecessors, (14929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:48,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13491 states to 13491 states and 14929 transitions. [2022-07-20 23:42:48,506 INFO L78 Accepts]: Start accepts. Automaton has 13491 states and 14929 transitions. Word has length 418 [2022-07-20 23:42:48,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:48,507 INFO L495 AbstractCegarLoop]: Abstraction has 13491 states and 14929 transitions. [2022-07-20 23:42:48,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:48,507 INFO L276 IsEmpty]: Start isEmpty. Operand 13491 states and 14929 transitions. [2022-07-20 23:42:48,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-20 23:42:48,517 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:48,518 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:48,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 23:42:48,518 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:48,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:48,519 INFO L85 PathProgramCache]: Analyzing trace with hash -740708408, now seen corresponding path program 1 times [2022-07-20 23:42:48,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:48,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363152726] [2022-07-20 23:42:48,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:48,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:48,662 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-07-20 23:42:48,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:48,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363152726] [2022-07-20 23:42:48,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363152726] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:48,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:48,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:48,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114590635] [2022-07-20 23:42:48,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:48,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:48,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:48,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:48,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:48,665 INFO L87 Difference]: Start difference. First operand 13491 states and 14929 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:49,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:49,221 INFO L93 Difference]: Finished difference Result 27899 states and 30921 transitions. [2022-07-20 23:42:49,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:49,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 426 [2022-07-20 23:42:49,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:49,235 INFO L225 Difference]: With dead ends: 27899 [2022-07-20 23:42:49,236 INFO L226 Difference]: Without dead ends: 14778 [2022-07-20 23:42:49,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:49,246 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 199 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:49,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 341 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 23:42:49,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14778 states. [2022-07-20 23:42:49,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14778 to 14594. [2022-07-20 23:42:49,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14594 states, 14593 states have (on average 1.1035427944905092) internal successors, (16104), 14593 states have internal predecessors, (16104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:49,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14594 states to 14594 states and 16104 transitions. [2022-07-20 23:42:49,398 INFO L78 Accepts]: Start accepts. Automaton has 14594 states and 16104 transitions. Word has length 426 [2022-07-20 23:42:49,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:49,398 INFO L495 AbstractCegarLoop]: Abstraction has 14594 states and 16104 transitions. [2022-07-20 23:42:49,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:49,398 INFO L276 IsEmpty]: Start isEmpty. Operand 14594 states and 16104 transitions. [2022-07-20 23:42:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-07-20 23:42:49,408 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:49,408 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:49,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 23:42:49,408 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:49,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:49,409 INFO L85 PathProgramCache]: Analyzing trace with hash -406320324, now seen corresponding path program 1 times [2022-07-20 23:42:49,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:49,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933068714] [2022-07-20 23:42:49,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:49,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:49,689 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 395 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-20 23:42:49,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:49,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933068714] [2022-07-20 23:42:49,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933068714] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:42:49,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75972971] [2022-07-20 23:42:49,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:49,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:42:49,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:42:49,696 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) [2022-07-20 23:42:49,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 23:42:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:49,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 23:42:49,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:42:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 282 proven. 121 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-20 23:42:50,704 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 23:42:52,916 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 282 proven. 121 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-20 23:42:52,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75972971] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 23:42:52,916 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 23:42:52,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 10 [2022-07-20 23:42:52,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021412025] [2022-07-20 23:42:52,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 23:42:52,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 23:42:52,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:52,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 23:42:52,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-20 23:42:52,919 INFO L87 Difference]: Start difference. First operand 14594 states and 16104 transitions. Second operand has 11 states, 11 states have (on average 86.45454545454545) internal successors, (951), 10 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:56,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:56,789 INFO L93 Difference]: Finished difference Result 34968 states and 38363 transitions. [2022-07-20 23:42:56,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-20 23:42:56,789 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 86.45454545454545) internal successors, (951), 10 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 427 [2022-07-20 23:42:56,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:56,807 INFO L225 Difference]: With dead ends: 34968 [2022-07-20 23:42:56,807 INFO L226 Difference]: Without dead ends: 20181 [2022-07-20 23:42:56,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 885 GetRequests, 849 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=363, Invalid=969, Unknown=0, NotChecked=0, Total=1332 [2022-07-20 23:42:56,818 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 1301 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 4459 mSolverCounterSat, 891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 5350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 891 IncrementalHoareTripleChecker+Valid, 4459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:56,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1301 Valid, 196 Invalid, 5350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [891 Valid, 4459 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-20 23:42:56,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20181 states. [2022-07-20 23:42:56,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20181 to 12562. [2022-07-20 23:42:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12562 states, 12561 states have (on average 1.0829551787278082) internal successors, (13603), 12561 states have internal predecessors, (13603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:56,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12562 states to 12562 states and 13603 transitions. [2022-07-20 23:42:56,980 INFO L78 Accepts]: Start accepts. Automaton has 12562 states and 13603 transitions. Word has length 427 [2022-07-20 23:42:56,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:56,980 INFO L495 AbstractCegarLoop]: Abstraction has 12562 states and 13603 transitions. [2022-07-20 23:42:56,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 86.45454545454545) internal successors, (951), 10 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 12562 states and 13603 transitions. [2022-07-20 23:42:56,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-07-20 23:42:56,989 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:56,989 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:57,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 23:42:57,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-20 23:42:57,209 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:57,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:57,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1378519044, now seen corresponding path program 1 times [2022-07-20 23:42:57,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:57,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959248624] [2022-07-20 23:42:57,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:57,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:57,313 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-07-20 23:42:57,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:57,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959248624] [2022-07-20 23:42:57,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959248624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:57,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:57,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:57,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321064548] [2022-07-20 23:42:57,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:57,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:57,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:57,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:57,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:57,316 INFO L87 Difference]: Start difference. First operand 12562 states and 13603 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:57,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:57,790 INFO L93 Difference]: Finished difference Result 26225 states and 28444 transitions. [2022-07-20 23:42:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:57,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 438 [2022-07-20 23:42:57,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:57,801 INFO L225 Difference]: With dead ends: 26225 [2022-07-20 23:42:57,801 INFO L226 Difference]: Without dead ends: 14033 [2022-07-20 23:42:57,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:57,808 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 173 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:57,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 112 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:42:57,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14033 states. [2022-07-20 23:42:57,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14033 to 12377. [2022-07-20 23:42:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12377 states, 12376 states have (on average 1.083710407239819) internal successors, (13412), 12376 states have internal predecessors, (13412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12377 states to 12377 states and 13412 transitions. [2022-07-20 23:42:57,929 INFO L78 Accepts]: Start accepts. Automaton has 12377 states and 13412 transitions. Word has length 438 [2022-07-20 23:42:57,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:57,929 INFO L495 AbstractCegarLoop]: Abstraction has 12377 states and 13412 transitions. [2022-07-20 23:42:57,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:57,929 INFO L276 IsEmpty]: Start isEmpty. Operand 12377 states and 13412 transitions. [2022-07-20 23:42:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2022-07-20 23:42:57,936 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:57,937 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:57,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 23:42:57,937 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:57,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:57,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1889494746, now seen corresponding path program 1 times [2022-07-20 23:42:57,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:57,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722739828] [2022-07-20 23:42:57,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:57,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 23:42:58,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:58,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722739828] [2022-07-20 23:42:58,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722739828] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:58,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:58,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:42:58,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694211935] [2022-07-20 23:42:58,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:58,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:42:58,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:58,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:42:58,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:42:58,091 INFO L87 Difference]: Start difference. First operand 12377 states and 13412 transitions. Second operand has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:58,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:58,939 INFO L93 Difference]: Finished difference Result 26600 states and 28818 transitions. [2022-07-20 23:42:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:42:58,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 449 [2022-07-20 23:42:58,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:58,952 INFO L225 Difference]: With dead ends: 26600 [2022-07-20 23:42:58,952 INFO L226 Difference]: Without dead ends: 14593 [2022-07-20 23:42:58,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:42:58,959 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 175 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:58,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 58 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 23:42:58,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14593 states. [2022-07-20 23:42:59,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14593 to 13299. [2022-07-20 23:42:59,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13299 states, 13298 states have (on average 1.0792600391036247) internal successors, (14352), 13298 states have internal predecessors, (14352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13299 states to 13299 states and 14352 transitions. [2022-07-20 23:42:59,093 INFO L78 Accepts]: Start accepts. Automaton has 13299 states and 14352 transitions. Word has length 449 [2022-07-20 23:42:59,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:59,093 INFO L495 AbstractCegarLoop]: Abstraction has 13299 states and 14352 transitions. [2022-07-20 23:42:59,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 13299 states and 14352 transitions. [2022-07-20 23:42:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-07-20 23:42:59,101 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:59,101 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:59,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 23:42:59,102 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:59,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:59,102 INFO L85 PathProgramCache]: Analyzing trace with hash 630362065, now seen corresponding path program 1 times [2022-07-20 23:42:59,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:59,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264129788] [2022-07-20 23:42:59,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:59,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:42:59,231 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-07-20 23:42:59,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:42:59,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264129788] [2022-07-20 23:42:59,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264129788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:42:59,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:42:59,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:42:59,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382374845] [2022-07-20 23:42:59,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:42:59,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:42:59,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:42:59,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:42:59,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:59,233 INFO L87 Difference]: Start difference. First operand 13299 states and 14352 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:42:59,802 INFO L93 Difference]: Finished difference Result 27700 states and 29888 transitions. [2022-07-20 23:42:59,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:42:59,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 464 [2022-07-20 23:42:59,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:42:59,812 INFO L225 Difference]: With dead ends: 27700 [2022-07-20 23:42:59,812 INFO L226 Difference]: Without dead ends: 12930 [2022-07-20 23:42:59,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:42:59,816 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 109 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:42:59,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 290 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:42:59,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12930 states. [2022-07-20 23:42:59,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12930 to 12009. [2022-07-20 23:42:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12009 states, 12008 states have (on average 1.0646235842771485) internal successors, (12784), 12008 states have internal predecessors, (12784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12009 states to 12009 states and 12784 transitions. [2022-07-20 23:42:59,929 INFO L78 Accepts]: Start accepts. Automaton has 12009 states and 12784 transitions. Word has length 464 [2022-07-20 23:42:59,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:42:59,930 INFO L495 AbstractCegarLoop]: Abstraction has 12009 states and 12784 transitions. [2022-07-20 23:42:59,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:42:59,930 INFO L276 IsEmpty]: Start isEmpty. Operand 12009 states and 12784 transitions. [2022-07-20 23:42:59,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2022-07-20 23:42:59,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:42:59,937 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:42:59,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 23:42:59,938 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:42:59,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:42:59,938 INFO L85 PathProgramCache]: Analyzing trace with hash -13761946, now seen corresponding path program 1 times [2022-07-20 23:42:59,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:42:59,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040066097] [2022-07-20 23:42:59,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:42:59,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:42:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 535 proven. 162 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-20 23:43:00,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:00,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040066097] [2022-07-20 23:43:00,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040066097] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 23:43:00,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296562030] [2022-07-20 23:43:00,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:00,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:43:00,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 23:43:00,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 23:43:00,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 23:43:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:00,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 23:43:00,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 23:43:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 652 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-07-20 23:43:00,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 23:43:00,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296562030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:00,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 23:43:00,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-07-20 23:43:00,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756543644] [2022-07-20 23:43:00,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:00,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:43:00,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:00,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:43:00,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-20 23:43:00,395 INFO L87 Difference]: Start difference. First operand 12009 states and 12784 transitions. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:00,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:00,869 INFO L93 Difference]: Finished difference Result 23836 states and 25386 transitions. [2022-07-20 23:43:00,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:43:00,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 502 [2022-07-20 23:43:00,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:00,880 INFO L225 Difference]: With dead ends: 23836 [2022-07-20 23:43:00,880 INFO L226 Difference]: Without dead ends: 12013 [2022-07-20 23:43:00,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-20 23:43:00,886 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 72 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:00,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 323 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:43:00,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12013 states. [2022-07-20 23:43:00,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12013 to 12009. [2022-07-20 23:43:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12009 states, 12008 states have (on average 1.0542971352431711) internal successors, (12660), 12008 states have internal predecessors, (12660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:01,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12009 states to 12009 states and 12660 transitions. [2022-07-20 23:43:01,010 INFO L78 Accepts]: Start accepts. Automaton has 12009 states and 12660 transitions. Word has length 502 [2022-07-20 23:43:01,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:01,010 INFO L495 AbstractCegarLoop]: Abstraction has 12009 states and 12660 transitions. [2022-07-20 23:43:01,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 12009 states and 12660 transitions. [2022-07-20 23:43:01,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-07-20 23:43:01,017 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:01,017 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:01,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-20 23:43:01,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 23:43:01,221 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:01,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:01,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1083232953, now seen corresponding path program 1 times [2022-07-20 23:43:01,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:01,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785991464] [2022-07-20 23:43:01,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:01,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:01,336 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 609 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-07-20 23:43:01,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:01,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785991464] [2022-07-20 23:43:01,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785991464] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:01,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:01,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:01,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968472113] [2022-07-20 23:43:01,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:01,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:01,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:01,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:01,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:01,338 INFO L87 Difference]: Start difference. First operand 12009 states and 12660 transitions. Second operand has 4 states, 4 states have (on average 91.5) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:02,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:02,053 INFO L93 Difference]: Finished difference Result 30656 states and 32329 transitions. [2022-07-20 23:43:02,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:02,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 91.5) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 506 [2022-07-20 23:43:02,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:02,071 INFO L225 Difference]: With dead ends: 30656 [2022-07-20 23:43:02,071 INFO L226 Difference]: Without dead ends: 18833 [2022-07-20 23:43:02,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:02,079 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 197 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:02,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 75 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:43:02,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18833 states. [2022-07-20 23:43:02,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18833 to 16433. [2022-07-20 23:43:02,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16433 states, 16432 states have (on average 1.0527020447906523) internal successors, (17298), 16432 states have internal predecessors, (17298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:02,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16433 states to 16433 states and 17298 transitions. [2022-07-20 23:43:02,228 INFO L78 Accepts]: Start accepts. Automaton has 16433 states and 17298 transitions. Word has length 506 [2022-07-20 23:43:02,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:02,228 INFO L495 AbstractCegarLoop]: Abstraction has 16433 states and 17298 transitions. [2022-07-20 23:43:02,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.5) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:02,228 INFO L276 IsEmpty]: Start isEmpty. Operand 16433 states and 17298 transitions. [2022-07-20 23:43:02,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-07-20 23:43:02,237 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:02,237 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:02,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-20 23:43:02,238 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:02,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:02,238 INFO L85 PathProgramCache]: Analyzing trace with hash 450076133, now seen corresponding path program 1 times [2022-07-20 23:43:02,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:02,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125001229] [2022-07-20 23:43:02,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:02,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 601 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-07-20 23:43:02,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:02,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125001229] [2022-07-20 23:43:02,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125001229] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:02,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:02,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:02,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978766012] [2022-07-20 23:43:02,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:02,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:02,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:02,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:02,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:02,393 INFO L87 Difference]: Start difference. First operand 16433 states and 17298 transitions. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:03,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:03,200 INFO L93 Difference]: Finished difference Result 31766 states and 33487 transitions. [2022-07-20 23:43:03,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:03,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 530 [2022-07-20 23:43:03,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:03,214 INFO L225 Difference]: With dead ends: 31766 [2022-07-20 23:43:03,214 INFO L226 Difference]: Without dead ends: 17177 [2022-07-20 23:43:03,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:03,223 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 220 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 1083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:03,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 89 Invalid, 1083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:43:03,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17177 states. [2022-07-20 23:43:03,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17177 to 16803. [2022-07-20 23:43:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16803 states, 16802 states have (on average 1.0520771336745625) internal successors, (17677), 16802 states have internal predecessors, (17677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16803 states to 16803 states and 17677 transitions. [2022-07-20 23:43:03,373 INFO L78 Accepts]: Start accepts. Automaton has 16803 states and 17677 transitions. Word has length 530 [2022-07-20 23:43:03,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:03,374 INFO L495 AbstractCegarLoop]: Abstraction has 16803 states and 17677 transitions. [2022-07-20 23:43:03,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:03,374 INFO L276 IsEmpty]: Start isEmpty. Operand 16803 states and 17677 transitions. [2022-07-20 23:43:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2022-07-20 23:43:03,384 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:03,384 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:03,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-20 23:43:03,385 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:03,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:03,385 INFO L85 PathProgramCache]: Analyzing trace with hash -415550207, now seen corresponding path program 1 times [2022-07-20 23:43:03,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:03,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058781463] [2022-07-20 23:43:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:03,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 694 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2022-07-20 23:43:03,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:03,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058781463] [2022-07-20 23:43:03,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058781463] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:03,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:03,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:03,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101019965] [2022-07-20 23:43:03,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:03,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:43:03,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:03,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:43:03,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:43:03,505 INFO L87 Difference]: Start difference. First operand 16803 states and 17677 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:03,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:03,944 INFO L93 Difference]: Finished difference Result 31577 states and 33242 transitions. [2022-07-20 23:43:03,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:43:03,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 583 [2022-07-20 23:43:03,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:03,960 INFO L225 Difference]: With dead ends: 31577 [2022-07-20 23:43:03,960 INFO L226 Difference]: Without dead ends: 16618 [2022-07-20 23:43:03,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:43:03,969 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 191 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:03,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 313 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:43:03,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16618 states. [2022-07-20 23:43:04,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16618 to 16618. [2022-07-20 23:43:04,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16618 states, 16617 states have (on average 1.0513931515917434) internal successors, (17471), 16617 states have internal predecessors, (17471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:04,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16618 states to 16618 states and 17471 transitions. [2022-07-20 23:43:04,141 INFO L78 Accepts]: Start accepts. Automaton has 16618 states and 17471 transitions. Word has length 583 [2022-07-20 23:43:04,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:04,142 INFO L495 AbstractCegarLoop]: Abstraction has 16618 states and 17471 transitions. [2022-07-20 23:43:04,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 16618 states and 17471 transitions. [2022-07-20 23:43:04,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2022-07-20 23:43:04,150 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:04,150 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:04,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-20 23:43:04,150 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:04,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:04,151 INFO L85 PathProgramCache]: Analyzing trace with hash -673100433, now seen corresponding path program 1 times [2022-07-20 23:43:04,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:04,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665514103] [2022-07-20 23:43:04,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:04,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-20 23:43:04,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:04,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665514103] [2022-07-20 23:43:04,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665514103] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:04,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:04,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:04,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558984922] [2022-07-20 23:43:04,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:04,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:43:04,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:04,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:43:04,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:43:04,289 INFO L87 Difference]: Start difference. First operand 16618 states and 17471 transitions. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:04,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:04,723 INFO L93 Difference]: Finished difference Result 34354 states and 36150 transitions. [2022-07-20 23:43:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:43:04,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 613 [2022-07-20 23:43:04,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:04,739 INFO L225 Difference]: With dead ends: 34354 [2022-07-20 23:43:04,739 INFO L226 Difference]: Without dead ends: 19580 [2022-07-20 23:43:04,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:43:04,747 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 61 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:04,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 117 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 23:43:04,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19580 states. [2022-07-20 23:43:04,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19580 to 17170. [2022-07-20 23:43:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17170 states, 17169 states have (on average 1.0509639466480285) internal successors, (18044), 17169 states have internal predecessors, (18044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17170 states to 17170 states and 18044 transitions. [2022-07-20 23:43:04,913 INFO L78 Accepts]: Start accepts. Automaton has 17170 states and 18044 transitions. Word has length 613 [2022-07-20 23:43:04,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:04,913 INFO L495 AbstractCegarLoop]: Abstraction has 17170 states and 18044 transitions. [2022-07-20 23:43:04,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 17170 states and 18044 transitions. [2022-07-20 23:43:04,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2022-07-20 23:43:04,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:04,923 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:04,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-20 23:43:04,923 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:04,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:04,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1558333360, now seen corresponding path program 1 times [2022-07-20 23:43:04,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:04,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087061920] [2022-07-20 23:43:04,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:04,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 946 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-20 23:43:05,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:05,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087061920] [2022-07-20 23:43:05,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087061920] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:05,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:05,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:05,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604940739] [2022-07-20 23:43:05,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:05,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:05,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:05,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:05,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:05,084 INFO L87 Difference]: Start difference. First operand 17170 states and 18044 transitions. Second operand has 4 states, 4 states have (on average 98.5) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:05,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:05,815 INFO L93 Difference]: Finished difference Result 34530 states and 36320 transitions. [2022-07-20 23:43:05,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:05,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 614 [2022-07-20 23:43:05,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:05,834 INFO L225 Difference]: With dead ends: 34530 [2022-07-20 23:43:05,835 INFO L226 Difference]: Without dead ends: 19020 [2022-07-20 23:43:05,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:05,845 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 181 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:05,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 72 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 23:43:05,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19020 states. [2022-07-20 23:43:05,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19020 to 16250. [2022-07-20 23:43:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16250 states, 16249 states have (on average 1.0507723552218597) internal successors, (17074), 16249 states have internal predecessors, (17074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:05,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16250 states to 16250 states and 17074 transitions. [2022-07-20 23:43:05,999 INFO L78 Accepts]: Start accepts. Automaton has 16250 states and 17074 transitions. Word has length 614 [2022-07-20 23:43:05,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:05,999 INFO L495 AbstractCegarLoop]: Abstraction has 16250 states and 17074 transitions. [2022-07-20 23:43:05,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:06,000 INFO L276 IsEmpty]: Start isEmpty. Operand 16250 states and 17074 transitions. [2022-07-20 23:43:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2022-07-20 23:43:06,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:06,009 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:06,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-20 23:43:06,009 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:06,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:06,010 INFO L85 PathProgramCache]: Analyzing trace with hash 425200427, now seen corresponding path program 1 times [2022-07-20 23:43:06,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:06,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595517761] [2022-07-20 23:43:06,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:06,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 1140 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-07-20 23:43:06,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:06,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595517761] [2022-07-20 23:43:06,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595517761] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:06,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:06,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 23:43:06,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939640101] [2022-07-20 23:43:06,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:06,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 23:43:06,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:06,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 23:43:06,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:06,171 INFO L87 Difference]: Start difference. First operand 16250 states and 17074 transitions. Second operand has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:07,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:07,047 INFO L93 Difference]: Finished difference Result 33977 states and 35786 transitions. [2022-07-20 23:43:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 23:43:07,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 620 [2022-07-20 23:43:07,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:07,062 INFO L225 Difference]: With dead ends: 33977 [2022-07-20 23:43:07,063 INFO L226 Difference]: Without dead ends: 17915 [2022-07-20 23:43:07,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 23:43:07,068 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 186 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:07,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 73 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 23:43:07,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17915 states. [2022-07-20 23:43:07,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17915 to 17910. [2022-07-20 23:43:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17910 states, 17909 states have (on average 1.0518733597632475) internal successors, (18838), 17909 states have internal predecessors, (18838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:07,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17910 states to 17910 states and 18838 transitions. [2022-07-20 23:43:07,233 INFO L78 Accepts]: Start accepts. Automaton has 17910 states and 18838 transitions. Word has length 620 [2022-07-20 23:43:07,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:07,233 INFO L495 AbstractCegarLoop]: Abstraction has 17910 states and 18838 transitions. [2022-07-20 23:43:07,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:07,234 INFO L276 IsEmpty]: Start isEmpty. Operand 17910 states and 18838 transitions. [2022-07-20 23:43:07,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2022-07-20 23:43:07,242 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 23:43:07,243 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:07,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-20 23:43:07,243 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 23:43:07,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 23:43:07,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2023009957, now seen corresponding path program 1 times [2022-07-20 23:43:07,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 23:43:07,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225469602] [2022-07-20 23:43:07,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 23:43:07,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 23:43:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 23:43:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2022-07-20 23:43:07,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 23:43:07,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225469602] [2022-07-20 23:43:07,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225469602] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 23:43:07,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 23:43:07,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 23:43:07,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986870413] [2022-07-20 23:43:07,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 23:43:07,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 23:43:07,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 23:43:07,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 23:43:07,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:43:07,396 INFO L87 Difference]: Start difference. First operand 17910 states and 18838 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:07,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 23:43:07,814 INFO L93 Difference]: Finished difference Result 18097 states and 19036 transitions. [2022-07-20 23:43:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 23:43:07,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 627 [2022-07-20 23:43:07,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 23:43:07,815 INFO L225 Difference]: With dead ends: 18097 [2022-07-20 23:43:07,815 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 23:43:07,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 23:43:07,821 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 143 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 23:43:07,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 322 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 23:43:07,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 23:43:07,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 23:43:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:07,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 23:43:07,822 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 627 [2022-07-20 23:43:07,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 23:43:07,822 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 23:43:07,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 23:43:07,822 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 23:43:07,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 23:43:07,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 23:43:07,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-20 23:43:07,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,615 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-20 23:43:25,616 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-20 23:43:25,617 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,617 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,617 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,617 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse26 (+ ~a23~0 43))) (let ((.cse6 (<= .cse26 0)) (.cse17 (< 306 ~a23~0)) (.cse7 (= ~a25~0 12))) (let ((.cse15 (<= 99915 ~a29~0)) (.cse14 (or (not .cse17) (not .cse7) (not (< 277 ~a29~0)))) (.cse16 (<= ~a23~0 306)) (.cse20 (<= ~a29~0 245)) (.cse10 (<= ~a29~0 274)) (.cse12 (<= 261 ~a29~0)) (.cse11 (<= 130 ~a29~0)) (.cse13 (<= ~a29~0 599998)) (.cse5 (<= ~a23~0 138)) (.cse19 (= ~a25~0 11)) (.cse21 (<= (+ 119992 ~a23~0) 0)) (.cse1 (<= ~a23~0 278)) (.cse18 (= ~a25~0 10)) (.cse0 (= ~a25~0 13)) (.cse2 (< 0 .cse26)) (.cse23 (<= ~a29~0 232)) (.cse22 (<= (+ ~a29~0 554036) 0)) (.cse8 (= ~a4~0 0)) (.cse4 (<= ~a25~0 10)) (.cse25 (or (not .cse6) (not (= ~a25~0 9)) (not (<= ~a29~0 140)))) (.cse24 (<= ~a29~0 220)) (.cse9 (<= (+ ~a29~0 22) 0)) (.cse3 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= 99912 ~a29~0) .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse6 .cse7 .cse8 .cse9) (and .cse7 .cse2 .cse10 .cse3 .cse11) (and .cse6 .cse12 .cse8 .cse4 .cse13) (and .cse2 .cse3 .cse14 .cse15 (or (not .cse0) .cse16)) (and (or (and .cse8 .cse4 .cse15) (and .cse7 .cse12 .cse8)) .cse13 .cse14) (and .cse7 .cse12 .cse17 .cse3 .cse14) (and .cse3 .cse18) (and .cse0 .cse13 .cse3 (not .cse16)) (and .cse19 .cse2 .cse3 (<= ~a23~0 312)) (and .cse6 .cse20 .cse3 .cse11) (and .cse0 .cse20 .cse3 .cse11) (and .cse7 .cse8 .cse10 .cse11) (and .cse0 .cse6 .cse8 .cse10 .cse11) (and .cse12 .cse8 .cse19 .cse13 .cse21) (and .cse19 .cse3 .cse11) (and .cse7 .cse8 .cse22) (and .cse4 .cse3 .cse11) (and .cse7 .cse5 .cse3 .cse23) (and .cse1 .cse7 .cse2 .cse3) (and .cse8 .cse2 .cse13 .cse5) (and .cse6 .cse8 .cse19 .cse9 .cse24) (and .cse8 .cse19 .cse24 .cse21) (and .cse1 .cse9 .cse2 .cse3 .cse23) (and .cse8 .cse9 .cse4 .cse25 .cse24 (<= 0 (+ ~a29~0 28553)) .cse18) (and .cse0 .cse2 .cse3 .cse23) (and .cse6 .cse8 .cse4 .cse22) (and .cse8 .cse9 .cse4 .cse25 .cse24 (<= (+ ~a23~0 599772) 0)) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse7 .cse9 (= ~a3~0 1) .cse3 (<= 312 ~a23~0) (= ~a8~0 15)))))) [2022-07-20 23:43:25,617 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,617 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-20 23:43:25,617 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-20 23:43:25,618 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,618 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,618 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,618 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,618 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,618 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,618 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-20 23:43:25,618 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-20 23:43:25,618 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-20 23:43:25,618 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-20 23:43:25,619 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,619 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,619 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,619 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,619 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,620 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,620 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,620 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-20 23:43:25,620 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-20 23:43:25,620 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-20 23:43:25,620 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,620 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,620 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,620 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,620 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,621 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,621 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,621 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,621 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,621 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-20 23:43:25,621 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-20 23:43:25,621 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-20 23:43:25,621 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,622 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse26 (+ ~a23~0 43))) (let ((.cse6 (<= .cse26 0)) (.cse17 (< 306 ~a23~0)) (.cse7 (= ~a25~0 12))) (let ((.cse15 (<= 99915 ~a29~0)) (.cse14 (or (not .cse17) (not .cse7) (not (< 277 ~a29~0)))) (.cse16 (<= ~a23~0 306)) (.cse20 (<= ~a29~0 245)) (.cse10 (<= ~a29~0 274)) (.cse12 (<= 261 ~a29~0)) (.cse11 (<= 130 ~a29~0)) (.cse13 (<= ~a29~0 599998)) (.cse5 (<= ~a23~0 138)) (.cse19 (= ~a25~0 11)) (.cse21 (<= (+ 119992 ~a23~0) 0)) (.cse1 (<= ~a23~0 278)) (.cse18 (= ~a25~0 10)) (.cse0 (= ~a25~0 13)) (.cse2 (< 0 .cse26)) (.cse23 (<= ~a29~0 232)) (.cse22 (<= (+ ~a29~0 554036) 0)) (.cse8 (= ~a4~0 0)) (.cse4 (<= ~a25~0 10)) (.cse25 (or (not .cse6) (not (= ~a25~0 9)) (not (<= ~a29~0 140)))) (.cse24 (<= ~a29~0 220)) (.cse9 (<= (+ ~a29~0 22) 0)) (.cse3 (= ~a4~0 1))) (or (and .cse0 .cse1 (<= 99912 ~a29~0) .cse2 .cse3) (and .cse4 .cse5 .cse3) (and .cse6 .cse7 .cse8 .cse9) (and .cse7 .cse2 .cse10 .cse3 .cse11) (and .cse6 .cse12 .cse8 .cse4 .cse13) (and .cse2 .cse3 .cse14 .cse15 (or (not .cse0) .cse16)) (and (or (and .cse8 .cse4 .cse15) (and .cse7 .cse12 .cse8)) .cse13 .cse14) (and .cse7 .cse12 .cse17 .cse3 .cse14) (and .cse3 .cse18) (and .cse0 .cse13 .cse3 (not .cse16)) (and .cse19 .cse2 .cse3 (<= ~a23~0 312)) (and .cse6 .cse20 .cse3 .cse11) (and .cse0 .cse20 .cse3 .cse11) (and .cse7 .cse8 .cse10 .cse11) (and .cse0 .cse6 .cse8 .cse10 .cse11) (and .cse12 .cse8 .cse19 .cse13 .cse21) (and .cse19 .cse3 .cse11) (and .cse7 .cse8 .cse22) (and .cse4 .cse3 .cse11) (and .cse7 .cse5 .cse3 .cse23) (and .cse1 .cse7 .cse2 .cse3) (and .cse8 .cse2 .cse13 .cse5) (and .cse6 .cse8 .cse19 .cse9 .cse24) (and .cse8 .cse19 .cse24 .cse21) (and .cse1 .cse9 .cse2 .cse3 .cse23) (and .cse8 .cse9 .cse4 .cse25 .cse24 (<= 0 (+ ~a29~0 28553)) .cse18) (and .cse0 .cse2 .cse3 .cse23) (and .cse6 .cse8 .cse4 .cse22) (and .cse8 .cse9 .cse4 .cse25 .cse24 (<= (+ ~a23~0 599772) 0)) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 1)) .cse7 .cse9 (= ~a3~0 1) .cse3 (<= 312 ~a23~0) (= ~a8~0 15)))))) [2022-07-20 23:43:25,622 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,622 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,622 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,622 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,622 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,622 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,622 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,622 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,622 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-20 23:43:25,623 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-20 23:43:25,623 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-20 23:43:25,623 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-20 23:43:25,623 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-20 23:43:25,623 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-20 23:43:25,623 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-20 23:43:25,623 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,623 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,623 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,623 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,624 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,624 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,624 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,624 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,624 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,624 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,624 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-20 23:43:25,624 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-20 23:43:25,624 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-20 23:43:25,625 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-20 23:43:25,626 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,626 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,626 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,626 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,626 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,626 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,626 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-20 23:43:25,626 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-20 23:43:25,626 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,626 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,627 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-20 23:43:25,627 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-20 23:43:25,627 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-20 23:43:25,627 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-20 23:43:25,627 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed. [2022-07-20 23:43:25,627 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,627 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,627 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,627 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,628 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,628 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,628 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,628 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-20 23:43:25,628 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-20 23:43:25,628 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-20 23:43:25,628 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-20 23:43:25,628 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-20 23:43:25,628 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-20 23:43:25,629 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-20 23:43:25,629 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,629 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,629 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-20 23:43:25,629 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-20 23:43:25,629 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,629 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,629 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,630 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,630 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,630 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-20 23:43:25,630 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-20 23:43:25,630 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-20 23:43:25,630 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,630 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,630 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,630 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,631 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,631 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,631 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-20 23:43:25,631 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-20 23:43:25,631 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-20 23:43:25,631 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,631 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,631 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,631 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,631 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,632 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,632 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,632 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,632 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-20 23:43:25,632 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-20 23:43:25,632 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-20 23:43:25,632 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,632 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,632 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,632 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,633 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,633 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,633 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,633 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,633 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,633 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,633 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,633 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-20 23:43:25,633 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-20 23:43:25,633 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-20 23:43:25,634 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-20 23:43:25,634 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-20 23:43:25,634 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,634 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,634 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,635 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,635 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,635 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,635 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,635 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-20 23:43:25,635 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-20 23:43:25,635 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-20 23:43:25,635 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,635 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,635 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,636 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-20 23:43:25,636 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-20 23:43:25,636 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,636 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,636 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,636 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,636 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,636 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-20 23:43:25,636 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-20 23:43:25,637 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,637 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,637 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-20 23:43:25,637 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-20 23:43:25,637 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,637 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-20 23:43:25,637 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,637 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,637 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,637 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,638 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,638 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-20 23:43:25,638 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-20 23:43:25,638 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-20 23:43:25,638 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-20 23:43:25,638 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,638 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,638 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,638 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,639 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,639 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,639 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,639 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,639 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-20 23:43:25,639 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-20 23:43:25,640 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-20 23:43:25,640 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-20 23:43:25,640 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-20 23:43:25,640 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-20 23:43:25,640 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,640 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,641 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,641 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,641 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,642 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,642 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,642 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-20 23:43:25,642 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-20 23:43:25,643 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-20 23:43:25,643 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,643 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,643 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,643 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,643 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,643 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,644 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-20 23:43:25,644 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-20 23:43:25,644 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,644 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,644 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,644 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,644 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,644 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,644 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,644 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-20 23:43:25,645 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-20 23:43:25,645 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,645 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,645 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-20 23:43:25,645 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-20 23:43:25,645 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-20 23:43:25,645 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-20 23:43:25,647 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 23:43:25,649 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 23:43:25,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 11:43:25 BoogieIcfgContainer [2022-07-20 23:43:25,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 23:43:25,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 23:43:25,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 23:43:25,689 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 23:43:25,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 11:42:33" (3/4) ... [2022-07-20 23:43:25,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-20 23:43:25,710 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-20 23:43:25,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-20 23:43:25,724 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-20 23:43:25,725 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-20 23:43:25,804 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 23:43:25,804 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 23:43:25,805 INFO L158 Benchmark]: Toolchain (without parser) took 54767.08ms. Allocated memory was 56.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 32.5MB in the beginning and 349.6MB in the end (delta: -317.0MB). Peak memory consumption was 809.0MB. Max. memory is 16.1GB. [2022-07-20 23:43:25,805 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 52.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 23:43:25,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.38ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 32.3MB in the beginning and 36.7MB in the end (delta: -4.4MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-07-20 23:43:25,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.72ms. Allocated memory is still 69.2MB. Free memory was 36.7MB in the beginning and 31.9MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-20 23:43:25,806 INFO L158 Benchmark]: Boogie Preprocessor took 106.21ms. Allocated memory is still 69.2MB. Free memory was 31.9MB in the beginning and 32.4MB in the end (delta: -492.7kB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-07-20 23:43:25,806 INFO L158 Benchmark]: RCFGBuilder took 1220.13ms. Allocated memory was 69.2MB in the beginning and 136.3MB in the end (delta: 67.1MB). Free memory was 32.4MB in the beginning and 96.5MB in the end (delta: -64.0MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-07-20 23:43:25,806 INFO L158 Benchmark]: TraceAbstraction took 52672.83ms. Allocated memory was 136.3MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 96.5MB in the beginning and 364.8MB in the end (delta: -268.3MB). Peak memory consumption was 867.1MB. Max. memory is 16.1GB. [2022-07-20 23:43:25,806 INFO L158 Benchmark]: Witness Printer took 115.36ms. Allocated memory is still 1.2GB. Free memory was 364.8MB in the beginning and 349.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-20 23:43:25,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 52.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.38ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 32.3MB in the beginning and 36.7MB in the end (delta: -4.4MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.72ms. Allocated memory is still 69.2MB. Free memory was 36.7MB in the beginning and 31.9MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.21ms. Allocated memory is still 69.2MB. Free memory was 31.9MB in the beginning and 32.4MB in the end (delta: -492.7kB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1220.13ms. Allocated memory was 69.2MB in the beginning and 136.3MB in the end (delta: 67.1MB). Free memory was 32.4MB in the beginning and 96.5MB in the end (delta: -64.0MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * TraceAbstraction took 52672.83ms. Allocated memory was 136.3MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 96.5MB in the beginning and 364.8MB in the end (delta: -268.3MB). Peak memory consumption was 867.1MB. Max. memory is 16.1GB. * Witness Printer took 115.36ms. Allocated memory is still 1.2GB. Free memory was 364.8MB in the beginning and 349.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 157]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52.6s, OverallIterations: 28, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 22.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5883 SdHoareTripleChecker+Valid, 19.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5883 mSDsluCounter, 5645 SdHoareTripleChecker+Invalid, 15.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 888 mSDsCounter, 3446 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24179 IncrementalHoareTripleChecker+Invalid, 27625 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3446 mSolverCounterUnsat, 4757 mSDtfsCounter, 24179 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1898 GetRequests, 1810 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17910occurred in iteration=27, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.0s AutomataMinimizationTime, 28 MinimizatonAttempts, 23204 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 277 NumberOfFragments, 1105 HoareAnnotationTreeSize, 3 FomulaSimplifications, 30760 FormulaSimplificationTreeSizeReduction, 8.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 172182 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 12128 NumberOfCodeBlocks, 12128 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 12523 ConstructedInterpolants, 0 QuantifiedInterpolants, 47260 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1849 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 32 InterpolantComputations, 27 PerfectInterpolantSequences, 16196/16686 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((a25 == 13 && a23 <= 278) && 99912 <= a29) && 0 < a23 + 43) && a4 == 1) || ((a25 <= 10 && a23 <= 138) && a4 == 1)) || (((a23 + 43 <= 0 && a25 == 12) && a4 == 0) && a29 + 22 <= 0)) || ((((a25 == 12 && 0 < a23 + 43) && a29 <= 274) && a4 == 1) && 130 <= a29)) || ((((a23 + 43 <= 0 && 261 <= a29) && a4 == 0) && a25 <= 10) && a29 <= 599998)) || ((((0 < a23 + 43 && a4 == 1) && ((!(306 < a23) || !(a25 == 12)) || !(277 < a29))) && 99915 <= a29) && (!(a25 == 13) || a23 <= 306))) || (((((a4 == 0 && a25 <= 10) && 99915 <= a29) || ((a25 == 12 && 261 <= a29) && a4 == 0)) && a29 <= 599998) && ((!(306 < a23) || !(a25 == 12)) || !(277 < a29)))) || ((((a25 == 12 && 261 <= a29) && 306 < a23) && a4 == 1) && ((!(306 < a23) || !(a25 == 12)) || !(277 < a29)))) || (a4 == 1 && a25 == 10)) || (((a25 == 13 && a29 <= 599998) && a4 == 1) && !(a23 <= 306))) || (((a25 == 11 && 0 < a23 + 43) && a4 == 1) && a23 <= 312)) || (((a23 + 43 <= 0 && a29 <= 245) && a4 == 1) && 130 <= a29)) || (((a25 == 13 && a29 <= 245) && a4 == 1) && 130 <= a29)) || (((a25 == 12 && a4 == 0) && a29 <= 274) && 130 <= a29)) || ((((a25 == 13 && a23 + 43 <= 0) && a4 == 0) && a29 <= 274) && 130 <= a29)) || ((((261 <= a29 && a4 == 0) && a25 == 11) && a29 <= 599998) && 119992 + a23 <= 0)) || ((a25 == 11 && a4 == 1) && 130 <= a29)) || ((a25 == 12 && a4 == 0) && a29 + 554036 <= 0)) || ((a25 <= 10 && a4 == 1) && 130 <= a29)) || (((a25 == 12 && a23 <= 138) && a4 == 1) && a29 <= 232)) || (((a23 <= 278 && a25 == 12) && 0 < a23 + 43) && a4 == 1)) || (((a4 == 0 && 0 < a23 + 43) && a29 <= 599998) && a23 <= 138)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 + 22 <= 0) && a29 <= 220)) || (((a4 == 0 && a25 == 11) && a29 <= 220) && 119992 + a23 <= 0)) || ((((a23 <= 278 && a29 + 22 <= 0) && 0 < a23 + 43) && a4 == 1) && a29 <= 232)) || ((((((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && ((!(a23 + 43 <= 0) || !(a25 == 9)) || !(a29 <= 140))) && a29 <= 220) && 0 <= a29 + 28553) && a25 == 10)) || (((a25 == 13 && 0 < a23 + 43) && a4 == 1) && a29 <= 232)) || (((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 + 554036 <= 0)) || (((((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && ((!(a23 + 43 <= 0) || !(a25 == 9)) || !(a29 <= 140))) && a29 <= 220) && a23 + 599772 <= 0)) || ((((((!(input == 1) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((a25 == 13 && a23 <= 278) && 99912 <= a29) && 0 < a23 + 43) && a4 == 1) || ((a25 <= 10 && a23 <= 138) && a4 == 1)) || (((a23 + 43 <= 0 && a25 == 12) && a4 == 0) && a29 + 22 <= 0)) || ((((a25 == 12 && 0 < a23 + 43) && a29 <= 274) && a4 == 1) && 130 <= a29)) || ((((a23 + 43 <= 0 && 261 <= a29) && a4 == 0) && a25 <= 10) && a29 <= 599998)) || ((((0 < a23 + 43 && a4 == 1) && ((!(306 < a23) || !(a25 == 12)) || !(277 < a29))) && 99915 <= a29) && (!(a25 == 13) || a23 <= 306))) || (((((a4 == 0 && a25 <= 10) && 99915 <= a29) || ((a25 == 12 && 261 <= a29) && a4 == 0)) && a29 <= 599998) && ((!(306 < a23) || !(a25 == 12)) || !(277 < a29)))) || ((((a25 == 12 && 261 <= a29) && 306 < a23) && a4 == 1) && ((!(306 < a23) || !(a25 == 12)) || !(277 < a29)))) || (a4 == 1 && a25 == 10)) || (((a25 == 13 && a29 <= 599998) && a4 == 1) && !(a23 <= 306))) || (((a25 == 11 && 0 < a23 + 43) && a4 == 1) && a23 <= 312)) || (((a23 + 43 <= 0 && a29 <= 245) && a4 == 1) && 130 <= a29)) || (((a25 == 13 && a29 <= 245) && a4 == 1) && 130 <= a29)) || (((a25 == 12 && a4 == 0) && a29 <= 274) && 130 <= a29)) || ((((a25 == 13 && a23 + 43 <= 0) && a4 == 0) && a29 <= 274) && 130 <= a29)) || ((((261 <= a29 && a4 == 0) && a25 == 11) && a29 <= 599998) && 119992 + a23 <= 0)) || ((a25 == 11 && a4 == 1) && 130 <= a29)) || ((a25 == 12 && a4 == 0) && a29 + 554036 <= 0)) || ((a25 <= 10 && a4 == 1) && 130 <= a29)) || (((a25 == 12 && a23 <= 138) && a4 == 1) && a29 <= 232)) || (((a23 <= 278 && a25 == 12) && 0 < a23 + 43) && a4 == 1)) || (((a4 == 0 && 0 < a23 + 43) && a29 <= 599998) && a23 <= 138)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 == 11) && a29 + 22 <= 0) && a29 <= 220)) || (((a4 == 0 && a25 == 11) && a29 <= 220) && 119992 + a23 <= 0)) || ((((a23 <= 278 && a29 + 22 <= 0) && 0 < a23 + 43) && a4 == 1) && a29 <= 232)) || ((((((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && ((!(a23 + 43 <= 0) || !(a25 == 9)) || !(a29 <= 140))) && a29 <= 220) && 0 <= a29 + 28553) && a25 == 10)) || (((a25 == 13 && 0 < a23 + 43) && a4 == 1) && a29 <= 232)) || (((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 + 554036 <= 0)) || (((((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && ((!(a23 + 43 <= 0) || !(a25 == 9)) || !(a29 <= 140))) && a29 <= 220) && a23 + 599772 <= 0)) || ((((((!(input == 1) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-20 23:43:25,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE