./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_label56.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 77c0c06cf345be89a7bfdea692ab0197740d9f5ad98baaf39e02029ee2fea03a --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 12:43:51,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 12:43:51,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 12:43:51,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 12:43:51,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 12:43:51,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 12:43:51,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 12:43:51,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 12:43:51,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 12:43:51,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 12:43:51,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 12:43:51,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 12:43:51,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 12:43:51,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 12:43:51,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 12:43:51,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 12:43:51,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 12:43:51,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 12:43:51,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 12:43:51,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 12:43:51,900 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 12:43:51,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 12:43:51,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 12:43:51,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 12:43:51,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 12:43:51,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 12:43:51,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 12:43:51,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 12:43:51,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 12:43:51,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 12:43:51,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 12:43:51,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 12:43:51,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 12:43:51,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 12:43:51,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 12:43:51,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 12:43:51,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 12:43:51,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 12:43:51,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 12:43:51,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 12:43:51,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 12:43:51,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 12:43:51,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 12:43:51,962 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 12:43:51,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 12:43:51,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 12:43:51,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 12:43:51,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 12:43:51,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 12:43:51,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 12:43:51,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 12:43:51,965 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 12:43:51,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 12:43:51,966 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 12:43:51,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 12:43:51,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 12:43:51,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 12:43:51,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 12:43:51,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 12:43:51,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 12:43:51,968 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 12:43:51,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 12:43:51,969 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 12:43:51,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 12:43:51,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 12:43:51,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 12:43:51,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 12:43:51,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 12:43:51,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 12:43:51,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 12:43:51,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 12:43:51,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 12:43:51,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 12:43:51,971 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 12:43:51,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 12:43:51,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 12:43:51,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77c0c06cf345be89a7bfdea692ab0197740d9f5ad98baaf39e02029ee2fea03a [2022-07-13 12:43:52,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 12:43:52,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 12:43:52,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 12:43:52,181 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 12:43:52,182 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 12:43:52,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label56.c [2022-07-13 12:43:52,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98e8699a4/33d58e03b064444f8f0017d5dd86ac91/FLAG5f0960e4d [2022-07-13 12:43:52,807 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 12:43:52,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label56.c [2022-07-13 12:43:52,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98e8699a4/33d58e03b064444f8f0017d5dd86ac91/FLAG5f0960e4d [2022-07-13 12:43:53,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98e8699a4/33d58e03b064444f8f0017d5dd86ac91 [2022-07-13 12:43:53,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 12:43:53,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 12:43:53,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 12:43:53,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 12:43:53,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 12:43:53,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:53,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc0558e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53, skipping insertion in model container [2022-07-13 12:43:53,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:53,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 12:43:53,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 12:43:53,565 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_label56.c[5994,6007] [2022-07-13 12:43:53,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 12:43:53,810 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 12:43:53,842 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_label56.c[5994,6007] [2022-07-13 12:43:53,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 12:43:53,951 INFO L208 MainTranslator]: Completed translation [2022-07-13 12:43:53,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53 WrapperNode [2022-07-13 12:43:53,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 12:43:53,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 12:43:53,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 12:43:53,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 12:43:53,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:53,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:54,096 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-13 12:43:54,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 12:43:54,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 12:43:54,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 12:43:54,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 12:43:54,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:54,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:54,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:54,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:54,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:54,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:54,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:54,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 12:43:54,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 12:43:54,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 12:43:54,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 12:43:54,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (1/1) ... [2022-07-13 12:43:54,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 12:43:54,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 12:43:54,236 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) [2022-07-13 12:43:54,251 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 [2022-07-13 12:43:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 12:43:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 12:43:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 12:43:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 12:43:54,349 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 12:43:54,351 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 12:43:55,675 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 12:43:55,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 12:43:55,691 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 12:43:55,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 12:43:55 BoogieIcfgContainer [2022-07-13 12:43:55,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 12:43:55,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 12:43:55,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 12:43:55,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 12:43:55,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 12:43:53" (1/3) ... [2022-07-13 12:43:55,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ea3432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 12:43:55, skipping insertion in model container [2022-07-13 12:43:55,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 12:43:53" (2/3) ... [2022-07-13 12:43:55,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ea3432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 12:43:55, skipping insertion in model container [2022-07-13 12:43:55,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 12:43:55" (3/3) ... [2022-07-13 12:43:55,702 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label56.c [2022-07-13 12:43:55,714 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 12:43:55,715 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 12:43:55,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 12:43:55,780 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@1dc7d5a0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@29c2d93e [2022-07-13 12:43:55,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 12:43:55,785 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) [2022-07-13 12:43:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-13 12:43:55,792 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:43:55,792 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] [2022-07-13 12:43:55,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:43:55,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:43:55,798 INFO L85 PathProgramCache]: Analyzing trace with hash 751578873, now seen corresponding path program 1 times [2022-07-13 12:43:55,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:43:55,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543094487] [2022-07-13 12:43:55,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:43:55,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:43:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:43:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:43:56,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:43:56,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543094487] [2022-07-13 12:43:56,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543094487] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:43:56,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:43:56,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:43:56,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777030374] [2022-07-13 12:43:56,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:43:56,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:43:56,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:43:56,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:43:56,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:43:56,033 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 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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) [2022-07-13 12:43:57,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:43:57,047 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2022-07-13 12:43:57,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:43:57,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 41 [2022-07-13 12:43:57,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:43:57,062 INFO L225 Difference]: With dead ends: 776 [2022-07-13 12:43:57,062 INFO L226 Difference]: Without dead ends: 413 [2022-07-13 12:43:57,066 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 [2022-07-13 12:43:57,069 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 186 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-13 12:43:57,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-13 12:43:57,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-13 12:43:57,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2022-07-13 12:43:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 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) [2022-07-13 12:43:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-07-13 12:43:57,123 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 41 [2022-07-13 12:43:57,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:43:57,123 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-07-13 12:43:57,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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) [2022-07-13 12:43:57,124 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-07-13 12:43:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-13 12:43:57,127 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:43:57,127 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:43:57,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 12:43:57,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:43:57,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:43:57,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1616931328, now seen corresponding path program 1 times [2022-07-13 12:43:57,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:43:57,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522905235] [2022-07-13 12:43:57,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:43:57,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:43:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:43:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:43:57,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:43:57,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522905235] [2022-07-13 12:43:57,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522905235] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:43:57,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:43:57,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:43:57,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490511891] [2022-07-13 12:43:57,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:43:57,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:43:57,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:43:57,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:43:57,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:43:57,361 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2022-07-13 12:43:58,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:43:58,128 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2022-07-13 12:43:58,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:43:58,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 109 [2022-07-13 12:43:58,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:43:58,133 INFO L225 Difference]: With dead ends: 1209 [2022-07-13 12:43:58,133 INFO L226 Difference]: Without dead ends: 800 [2022-07-13 12:43:58,134 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 [2022-07-13 12:43:58,135 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 12:43:58,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 122 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 12:43:58,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-13 12:43:58,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2022-07-13 12:43:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 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) [2022-07-13 12:43:58,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2022-07-13 12:43:58,160 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 109 [2022-07-13 12:43:58,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:43:58,161 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2022-07-13 12:43:58,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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) [2022-07-13 12:43:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2022-07-13 12:43:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-13 12:43:58,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:43:58,164 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:43:58,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 12:43:58,164 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:43:58,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:43:58,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1753081093, now seen corresponding path program 1 times [2022-07-13 12:43:58,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:43:58,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518149531] [2022-07-13 12:43:58,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:43:58,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:43:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:43:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:43:58,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:43:58,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518149531] [2022-07-13 12:43:58,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518149531] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:43:58,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:43:58,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:43:58,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848721930] [2022-07-13 12:43:58,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:43:58,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:43:58,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:43:58,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:43:58,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:43:58,335 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2022-07-13 12:43:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:43:58,969 INFO L93 Difference]: Finished difference Result 1942 states and 2629 transitions. [2022-07-13 12:43:58,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:43:58,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 111 [2022-07-13 12:43:58,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:43:58,975 INFO L225 Difference]: With dead ends: 1942 [2022-07-13 12:43:58,975 INFO L226 Difference]: Without dead ends: 1157 [2022-07-13 12:43:58,976 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 [2022-07-13 12:43:58,977 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:43:58,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:43:58,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-07-13 12:43:58,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2022-07-13 12:43:58,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 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) [2022-07-13 12:43:59,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2022-07-13 12:43:59,000 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 111 [2022-07-13 12:43:59,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:43:59,001 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2022-07-13 12:43:59,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) [2022-07-13 12:43:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2022-07-13 12:43:59,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-13 12:43:59,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:43:59,004 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:43:59,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 12:43:59,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:43:59,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:43:59,005 INFO L85 PathProgramCache]: Analyzing trace with hash -299670212, now seen corresponding path program 1 times [2022-07-13 12:43:59,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:43:59,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602005384] [2022-07-13 12:43:59,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:43:59,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:43:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:43:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:43:59,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:43:59,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602005384] [2022-07-13 12:43:59,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602005384] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:43:59,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:43:59,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:43:59,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76898320] [2022-07-13 12:43:59,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:43:59,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:43:59,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:43:59,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:43:59,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:43:59,164 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2022-07-13 12:43:59,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:43:59,852 INFO L93 Difference]: Finished difference Result 2691 states and 3513 transitions. [2022-07-13 12:43:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:43:59,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 153 [2022-07-13 12:43:59,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:43:59,859 INFO L225 Difference]: With dead ends: 2691 [2022-07-13 12:43:59,859 INFO L226 Difference]: Without dead ends: 1721 [2022-07-13 12:43:59,861 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 [2022-07-13 12:43:59,862 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 165 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:43:59,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 336 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:43:59,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-07-13 12:43:59,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2022-07-13 12:43:59,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.260641781270465) internal successors, (1925), 1527 states have internal predecessors, (1925), 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) [2022-07-13 12:43:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1925 transitions. [2022-07-13 12:43:59,888 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1925 transitions. Word has length 153 [2022-07-13 12:43:59,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:43:59,888 INFO L495 AbstractCegarLoop]: Abstraction has 1528 states and 1925 transitions. [2022-07-13 12:43:59,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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) [2022-07-13 12:43:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1925 transitions. [2022-07-13 12:43:59,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-13 12:43:59,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:43:59,892 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, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:43:59,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 12:43:59,892 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:43:59,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:43:59,893 INFO L85 PathProgramCache]: Analyzing trace with hash 13927688, now seen corresponding path program 1 times [2022-07-13 12:43:59,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:43:59,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632136399] [2022-07-13 12:43:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:43:59,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:43:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-13 12:44:00,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:00,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632136399] [2022-07-13 12:44:00,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632136399] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:00,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:00,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:00,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913647109] [2022-07-13 12:44:00,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:00,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:00,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:00,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:00,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:00,081 INFO L87 Difference]: Start difference. First operand 1528 states and 1925 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2022-07-13 12:44:00,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:00,820 INFO L93 Difference]: Finished difference Result 4160 states and 5315 transitions. [2022-07-13 12:44:00,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:00,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 223 [2022-07-13 12:44:00,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:00,829 INFO L225 Difference]: With dead ends: 4160 [2022-07-13 12:44:00,830 INFO L226 Difference]: Without dead ends: 2634 [2022-07-13 12:44:00,832 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 [2022-07-13 12:44:00,833 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 173 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:00,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 352 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 12:44:00,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2022-07-13 12:44:00,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 2634. [2022-07-13 12:44:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2634 states, 2633 states have (on average 1.2468666919863274) internal successors, (3283), 2633 states have internal predecessors, (3283), 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) [2022-07-13 12:44:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2634 states and 3283 transitions. [2022-07-13 12:44:00,902 INFO L78 Accepts]: Start accepts. Automaton has 2634 states and 3283 transitions. Word has length 223 [2022-07-13 12:44:00,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:00,902 INFO L495 AbstractCegarLoop]: Abstraction has 2634 states and 3283 transitions. [2022-07-13 12:44:00,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2022-07-13 12:44:00,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3283 transitions. [2022-07-13 12:44:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-13 12:44:00,909 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:00,909 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, 2, 2, 2, 2, 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] [2022-07-13 12:44:00,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 12:44:00,910 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:00,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:00,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1861643749, now seen corresponding path program 1 times [2022-07-13 12:44:00,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:00,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833065090] [2022-07-13 12:44:00,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:00,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-13 12:44:01,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:01,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833065090] [2022-07-13 12:44:01,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833065090] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:01,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:01,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:44:01,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322958958] [2022-07-13 12:44:01,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:01,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:01,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:01,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:01,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:01,026 INFO L87 Difference]: Start difference. First operand 2634 states and 3283 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 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) [2022-07-13 12:44:01,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:01,647 INFO L93 Difference]: Finished difference Result 6553 states and 8157 transitions. [2022-07-13 12:44:01,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:01,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 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 234 [2022-07-13 12:44:01,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:01,659 INFO L225 Difference]: With dead ends: 6553 [2022-07-13 12:44:01,659 INFO L226 Difference]: Without dead ends: 3921 [2022-07-13 12:44:01,665 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 [2022-07-13 12:44:01,668 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:01,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 155 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:44:01,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3921 states. [2022-07-13 12:44:01,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3921 to 3185. [2022-07-13 12:44:01,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 3184 states have (on average 1.1699120603015076) internal successors, (3725), 3184 states have internal predecessors, (3725), 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) [2022-07-13 12:44:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 3725 transitions. [2022-07-13 12:44:01,753 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 3725 transitions. Word has length 234 [2022-07-13 12:44:01,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:01,753 INFO L495 AbstractCegarLoop]: Abstraction has 3185 states and 3725 transitions. [2022-07-13 12:44:01,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 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) [2022-07-13 12:44:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 3725 transitions. [2022-07-13 12:44:01,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-13 12:44:01,757 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:01,758 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:44:01,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 12:44:01,758 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:01,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:01,759 INFO L85 PathProgramCache]: Analyzing trace with hash 748674339, now seen corresponding path program 1 times [2022-07-13 12:44:01,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:01,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394596975] [2022-07-13 12:44:01,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:01,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-13 12:44:01,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:01,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394596975] [2022-07-13 12:44:01,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394596975] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:01,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:01,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:01,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259039385] [2022-07-13 12:44:01,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:01,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:01,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:01,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:01,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:01,904 INFO L87 Difference]: Start difference. First operand 3185 states and 3725 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2022-07-13 12:44:02,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:02,631 INFO L93 Difference]: Finished difference Result 7108 states and 8338 transitions. [2022-07-13 12:44:02,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:02,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 250 [2022-07-13 12:44:02,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:02,649 INFO L225 Difference]: With dead ends: 7108 [2022-07-13 12:44:02,649 INFO L226 Difference]: Without dead ends: 3925 [2022-07-13 12:44:02,653 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 [2022-07-13 12:44:02,654 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 160 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:02,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 372 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 12:44:02,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3925 states. [2022-07-13 12:44:02,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3925 to 3736. [2022-07-13 12:44:02,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 3735 states have (on average 1.1606425702811245) internal successors, (4335), 3735 states have internal predecessors, (4335), 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) [2022-07-13 12:44:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 4335 transitions. [2022-07-13 12:44:02,718 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 4335 transitions. Word has length 250 [2022-07-13 12:44:02,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:02,719 INFO L495 AbstractCegarLoop]: Abstraction has 3736 states and 4335 transitions. [2022-07-13 12:44:02,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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) [2022-07-13 12:44:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 4335 transitions. [2022-07-13 12:44:02,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-13 12:44:02,723 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:02,723 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:44:02,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 12:44:02,724 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:02,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:02,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1804774869, now seen corresponding path program 1 times [2022-07-13 12:44:02,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:02,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893138301] [2022-07-13 12:44:02,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:02,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-07-13 12:44:02,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:02,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893138301] [2022-07-13 12:44:02,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893138301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:02,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:02,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:02,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109128104] [2022-07-13 12:44:02,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:02,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:02,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:02,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:02,840 INFO L87 Difference]: Start difference. First operand 3736 states and 4335 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2022-07-13 12:44:03,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:03,529 INFO L93 Difference]: Finished difference Result 8579 states and 9918 transitions. [2022-07-13 12:44:03,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:03,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 263 [2022-07-13 12:44:03,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:03,546 INFO L225 Difference]: With dead ends: 8579 [2022-07-13 12:44:03,546 INFO L226 Difference]: Without dead ends: 4845 [2022-07-13 12:44:03,552 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 [2022-07-13 12:44:03,553 INFO L413 NwaCegarLoop]: 361 mSDtfsCounter, 179 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:03,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 390 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:44:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4845 states. [2022-07-13 12:44:03,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4845 to 4844. [2022-07-13 12:44:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4844 states, 4843 states have (on average 1.1525913689861655) internal successors, (5582), 4843 states have internal predecessors, (5582), 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) [2022-07-13 12:44:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4844 states to 4844 states and 5582 transitions. [2022-07-13 12:44:03,634 INFO L78 Accepts]: Start accepts. Automaton has 4844 states and 5582 transitions. Word has length 263 [2022-07-13 12:44:03,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:03,634 INFO L495 AbstractCegarLoop]: Abstraction has 4844 states and 5582 transitions. [2022-07-13 12:44:03,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2022-07-13 12:44:03,635 INFO L276 IsEmpty]: Start isEmpty. Operand 4844 states and 5582 transitions. [2022-07-13 12:44:03,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-13 12:44:03,639 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:03,640 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:44:03,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 12:44:03,640 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:03,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:03,641 INFO L85 PathProgramCache]: Analyzing trace with hash -789875443, now seen corresponding path program 1 times [2022-07-13 12:44:03,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:03,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548339981] [2022-07-13 12:44:03,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:03,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:03,764 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 12:44:03,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:03,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548339981] [2022-07-13 12:44:03,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548339981] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:03,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:03,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:03,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485960648] [2022-07-13 12:44:03,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:03,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:44:03,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:03,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:44:03,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:44:03,767 INFO L87 Difference]: Start difference. First operand 4844 states and 5582 transitions. Second operand has 4 states, 4 states have (on average 68.0) internal successors, (272), 3 states have internal predecessors, (272), 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) [2022-07-13 12:44:05,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:05,068 INFO L93 Difference]: Finished difference Result 13562 states and 15894 transitions. [2022-07-13 12:44:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:44:05,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.0) internal successors, (272), 3 states have internal predecessors, (272), 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 272 [2022-07-13 12:44:05,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:05,099 INFO L225 Difference]: With dead ends: 13562 [2022-07-13 12:44:05,100 INFO L226 Difference]: Without dead ends: 9088 [2022-07-13 12:44:05,108 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 [2022-07-13 12:44:05,109 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 206 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:05,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 130 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 12:44:05,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9088 states. [2022-07-13 12:44:05,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9088 to 8897. [2022-07-13 12:44:05,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8897 states, 8896 states have (on average 1.1535521582733812) internal successors, (10262), 8896 states have internal predecessors, (10262), 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) [2022-07-13 12:44:05,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8897 states to 8897 states and 10262 transitions. [2022-07-13 12:44:05,302 INFO L78 Accepts]: Start accepts. Automaton has 8897 states and 10262 transitions. Word has length 272 [2022-07-13 12:44:05,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:05,306 INFO L495 AbstractCegarLoop]: Abstraction has 8897 states and 10262 transitions. [2022-07-13 12:44:05,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.0) internal successors, (272), 3 states have internal predecessors, (272), 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) [2022-07-13 12:44:05,307 INFO L276 IsEmpty]: Start isEmpty. Operand 8897 states and 10262 transitions. [2022-07-13 12:44:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-13 12:44:05,313 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:05,313 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:44:05,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 12:44:05,314 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:05,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:05,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1520405194, now seen corresponding path program 1 times [2022-07-13 12:44:05,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:05,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645522395] [2022-07-13 12:44:05,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:05,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-07-13 12:44:05,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:05,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645522395] [2022-07-13 12:44:05,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645522395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:05,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:05,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:05,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587396148] [2022-07-13 12:44:05,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:05,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:05,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:05,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:05,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:05,453 INFO L87 Difference]: Start difference. First operand 8897 states and 10262 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) [2022-07-13 12:44:06,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:06,261 INFO L93 Difference]: Finished difference Result 19635 states and 22699 transitions. [2022-07-13 12:44:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:06,261 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 300 [2022-07-13 12:44:06,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:06,296 INFO L225 Difference]: With dead ends: 19635 [2022-07-13 12:44:06,297 INFO L226 Difference]: Without dead ends: 11108 [2022-07-13 12:44:06,306 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 [2022-07-13 12:44:06,307 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 195 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:06,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 72 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 12:44:06,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11108 states. [2022-07-13 12:44:06,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11108 to 10737. [2022-07-13 12:44:06,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10737 states, 10736 states have (on average 1.1461438152011922) internal successors, (12305), 10736 states have internal predecessors, (12305), 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) [2022-07-13 12:44:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10737 states to 10737 states and 12305 transitions. [2022-07-13 12:44:06,465 INFO L78 Accepts]: Start accepts. Automaton has 10737 states and 12305 transitions. Word has length 300 [2022-07-13 12:44:06,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:06,466 INFO L495 AbstractCegarLoop]: Abstraction has 10737 states and 12305 transitions. [2022-07-13 12:44:06,466 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) [2022-07-13 12:44:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 10737 states and 12305 transitions. [2022-07-13 12:44:06,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-13 12:44:06,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:06,473 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-13 12:44:06,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 12:44:06,473 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:06,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:06,474 INFO L85 PathProgramCache]: Analyzing trace with hash -582865195, now seen corresponding path program 1 times [2022-07-13 12:44:06,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:06,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332037207] [2022-07-13 12:44:06,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:06,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-07-13 12:44:06,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:06,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332037207] [2022-07-13 12:44:06,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332037207] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:06,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:06,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 12:44:06,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508458485] [2022-07-13 12:44:06,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:06,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:06,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:06,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:06,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:06,673 INFO L87 Difference]: Start difference. First operand 10737 states and 12305 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 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) [2022-07-13 12:44:07,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:07,326 INFO L93 Difference]: Finished difference Result 23502 states and 26923 transitions. [2022-07-13 12:44:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:07,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 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 302 [2022-07-13 12:44:07,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:07,352 INFO L225 Difference]: With dead ends: 23502 [2022-07-13 12:44:07,353 INFO L226 Difference]: Without dead ends: 13135 [2022-07-13 12:44:07,365 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 [2022-07-13 12:44:07,366 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 73 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:07,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 162 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:44:07,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13135 states. [2022-07-13 12:44:07,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13135 to 10737. [2022-07-13 12:44:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10737 states, 10736 states have (on average 1.1461438152011922) internal successors, (12305), 10736 states have internal predecessors, (12305), 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) [2022-07-13 12:44:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10737 states to 10737 states and 12305 transitions. [2022-07-13 12:44:07,563 INFO L78 Accepts]: Start accepts. Automaton has 10737 states and 12305 transitions. Word has length 302 [2022-07-13 12:44:07,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:07,564 INFO L495 AbstractCegarLoop]: Abstraction has 10737 states and 12305 transitions. [2022-07-13 12:44:07,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 2 states have internal predecessors, (148), 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) [2022-07-13 12:44:07,565 INFO L276 IsEmpty]: Start isEmpty. Operand 10737 states and 12305 transitions. [2022-07-13 12:44:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-13 12:44:07,577 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:07,577 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-13 12:44:07,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 12:44:07,577 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:07,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:07,578 INFO L85 PathProgramCache]: Analyzing trace with hash -2113040803, now seen corresponding path program 1 times [2022-07-13 12:44:07,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:07,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761405611] [2022-07-13 12:44:07,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:07,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-13 12:44:07,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:07,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761405611] [2022-07-13 12:44:07,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761405611] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:07,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:07,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:07,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728890503] [2022-07-13 12:44:07,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:07,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:07,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:07,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:07,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:07,734 INFO L87 Difference]: Start difference. First operand 10737 states and 12305 transitions. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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) [2022-07-13 12:44:08,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:08,349 INFO L93 Difference]: Finished difference Result 21102 states and 24226 transitions. [2022-07-13 12:44:08,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:08,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 377 [2022-07-13 12:44:08,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:08,369 INFO L225 Difference]: With dead ends: 21102 [2022-07-13 12:44:08,369 INFO L226 Difference]: Without dead ends: 10735 [2022-07-13 12:44:08,380 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 [2022-07-13 12:44:08,381 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 142 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:08,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 302 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 12:44:08,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10735 states. [2022-07-13 12:44:08,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10735 to 10735. [2022-07-13 12:44:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10735 states, 10734 states have (on average 1.1424445686603317) internal successors, (12263), 10734 states have internal predecessors, (12263), 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) [2022-07-13 12:44:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10735 states to 10735 states and 12263 transitions. [2022-07-13 12:44:08,568 INFO L78 Accepts]: Start accepts. Automaton has 10735 states and 12263 transitions. Word has length 377 [2022-07-13 12:44:08,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:08,568 INFO L495 AbstractCegarLoop]: Abstraction has 10735 states and 12263 transitions. [2022-07-13 12:44:08,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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) [2022-07-13 12:44:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 10735 states and 12263 transitions. [2022-07-13 12:44:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-13 12:44:08,584 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:08,585 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:44:08,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-13 12:44:08,585 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:08,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:08,586 INFO L85 PathProgramCache]: Analyzing trace with hash 231637248, now seen corresponding path program 1 times [2022-07-13 12:44:08,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:08,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389491883] [2022-07-13 12:44:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:08,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:08,777 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2022-07-13 12:44:08,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:08,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389491883] [2022-07-13 12:44:08,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389491883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:08,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:08,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:08,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974844296] [2022-07-13 12:44:08,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:08,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:08,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:08,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:08,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:08,780 INFO L87 Difference]: Start difference. First operand 10735 states and 12263 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2022-07-13 12:44:09,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:09,431 INFO L93 Difference]: Finished difference Result 22755 states and 26004 transitions. [2022-07-13 12:44:09,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:09,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 391 [2022-07-13 12:44:09,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:09,454 INFO L225 Difference]: With dead ends: 22755 [2022-07-13 12:44:09,454 INFO L226 Difference]: Without dead ends: 12390 [2022-07-13 12:44:09,466 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 [2022-07-13 12:44:09,467 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 178 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:09,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 151 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:44:09,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12390 states. [2022-07-13 12:44:09,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12390 to 8522. [2022-07-13 12:44:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8522 states, 8521 states have (on average 1.1475178969604507) internal successors, (9778), 8521 states have internal predecessors, (9778), 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) [2022-07-13 12:44:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8522 states to 8522 states and 9778 transitions. [2022-07-13 12:44:09,660 INFO L78 Accepts]: Start accepts. Automaton has 8522 states and 9778 transitions. Word has length 391 [2022-07-13 12:44:09,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:09,661 INFO L495 AbstractCegarLoop]: Abstraction has 8522 states and 9778 transitions. [2022-07-13 12:44:09,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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) [2022-07-13 12:44:09,661 INFO L276 IsEmpty]: Start isEmpty. Operand 8522 states and 9778 transitions. [2022-07-13 12:44:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-13 12:44:09,675 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:09,675 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-13 12:44:09,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 12:44:09,676 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:09,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:09,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1234284050, now seen corresponding path program 1 times [2022-07-13 12:44:09,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:09,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750258390] [2022-07-13 12:44:09,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:09,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-07-13 12:44:09,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:09,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750258390] [2022-07-13 12:44:09,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750258390] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:09,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:09,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:09,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557848920] [2022-07-13 12:44:09,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:09,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:09,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:09,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:09,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:09,841 INFO L87 Difference]: Start difference. First operand 8522 states and 9778 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2022-07-13 12:44:10,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:10,553 INFO L93 Difference]: Finished difference Result 18529 states and 21265 transitions. [2022-07-13 12:44:10,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:10,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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 413 [2022-07-13 12:44:10,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:10,567 INFO L225 Difference]: With dead ends: 18529 [2022-07-13 12:44:10,567 INFO L226 Difference]: Without dead ends: 10009 [2022-07-13 12:44:10,574 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 [2022-07-13 12:44:10,574 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 67 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:10,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 172 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:44:10,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10009 states. [2022-07-13 12:44:10,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10009 to 9810. [2022-07-13 12:44:10,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9810 states, 9809 states have (on average 1.1300846161688245) internal successors, (11085), 9809 states have internal predecessors, (11085), 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) [2022-07-13 12:44:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9810 states to 9810 states and 11085 transitions. [2022-07-13 12:44:10,686 INFO L78 Accepts]: Start accepts. Automaton has 9810 states and 11085 transitions. Word has length 413 [2022-07-13 12:44:10,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:10,687 INFO L495 AbstractCegarLoop]: Abstraction has 9810 states and 11085 transitions. [2022-07-13 12:44:10,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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) [2022-07-13 12:44:10,688 INFO L276 IsEmpty]: Start isEmpty. Operand 9810 states and 11085 transitions. [2022-07-13 12:44:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2022-07-13 12:44:10,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:10,702 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-07-13 12:44:10,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-13 12:44:10,703 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:10,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:10,704 INFO L85 PathProgramCache]: Analyzing trace with hash -187531985, now seen corresponding path program 1 times [2022-07-13 12:44:10,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:10,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210829905] [2022-07-13 12:44:10,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:10,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:10,906 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2022-07-13 12:44:10,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:10,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210829905] [2022-07-13 12:44:10,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210829905] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:10,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:10,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:10,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086973695] [2022-07-13 12:44:10,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:10,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:10,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:10,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:10,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:10,909 INFO L87 Difference]: Start difference. First operand 9810 states and 11085 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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) [2022-07-13 12:44:11,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:11,574 INFO L93 Difference]: Finished difference Result 19444 states and 21991 transitions. [2022-07-13 12:44:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:11,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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 494 [2022-07-13 12:44:11,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:11,588 INFO L225 Difference]: With dead ends: 19444 [2022-07-13 12:44:11,589 INFO L226 Difference]: Without dead ends: 9818 [2022-07-13 12:44:11,596 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 [2022-07-13 12:44:11,597 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 63 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:11,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 360 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:44:11,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9818 states. [2022-07-13 12:44:11,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9818 to 9808. [2022-07-13 12:44:11,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9808 states, 9807 states have (on average 1.1007443662689915) internal successors, (10795), 9807 states have internal predecessors, (10795), 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) [2022-07-13 12:44:11,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9808 states to 9808 states and 10795 transitions. [2022-07-13 12:44:11,780 INFO L78 Accepts]: Start accepts. Automaton has 9808 states and 10795 transitions. Word has length 494 [2022-07-13 12:44:11,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:11,781 INFO L495 AbstractCegarLoop]: Abstraction has 9808 states and 10795 transitions. [2022-07-13 12:44:11,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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) [2022-07-13 12:44:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 9808 states and 10795 transitions. [2022-07-13 12:44:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2022-07-13 12:44:11,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:11,797 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-07-13 12:44:11,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-13 12:44:11,798 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:11,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:11,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1135290674, now seen corresponding path program 1 times [2022-07-13 12:44:11,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:11,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426128716] [2022-07-13 12:44:11,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:11,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 544 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-07-13 12:44:11,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:11,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426128716] [2022-07-13 12:44:11,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426128716] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:11,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:11,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:11,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917705904] [2022-07-13 12:44:11,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:11,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:11,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:11,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:11,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:11,976 INFO L87 Difference]: Start difference. First operand 9808 states and 10795 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2022-07-13 12:44:12,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:12,636 INFO L93 Difference]: Finished difference Result 21280 states and 23445 transitions. [2022-07-13 12:44:12,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:12,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 501 [2022-07-13 12:44:12,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:12,650 INFO L225 Difference]: With dead ends: 21280 [2022-07-13 12:44:12,650 INFO L226 Difference]: Without dead ends: 11842 [2022-07-13 12:44:12,657 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 [2022-07-13 12:44:12,658 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:12,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 126 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:44:12,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11842 states. [2022-07-13 12:44:12,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11842 to 10917. [2022-07-13 12:44:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10917 states, 10916 states have (on average 1.0979296445584463) internal successors, (11985), 10916 states have internal predecessors, (11985), 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) [2022-07-13 12:44:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 11985 transitions. [2022-07-13 12:44:12,877 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 11985 transitions. Word has length 501 [2022-07-13 12:44:12,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:12,877 INFO L495 AbstractCegarLoop]: Abstraction has 10917 states and 11985 transitions. [2022-07-13 12:44:12,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2022-07-13 12:44:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 11985 transitions. [2022-07-13 12:44:12,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2022-07-13 12:44:12,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:12,893 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:44:12,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-13 12:44:12,894 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:12,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:12,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1489523097, now seen corresponding path program 1 times [2022-07-13 12:44:12,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:12,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296919384] [2022-07-13 12:44:12,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:12,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 653 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-13 12:44:13,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:13,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296919384] [2022-07-13 12:44:13,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296919384] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:13,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:13,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:13,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58411975] [2022-07-13 12:44:13,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:13,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:44:13,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:13,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:44:13,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:44:13,093 INFO L87 Difference]: Start difference. First operand 10917 states and 11985 transitions. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 3 states have internal predecessors, (393), 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) [2022-07-13 12:44:14,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:14,230 INFO L93 Difference]: Finished difference Result 28476 states and 31258 transitions. [2022-07-13 12:44:14,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:44:14,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 3 states have internal predecessors, (393), 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 511 [2022-07-13 12:44:14,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:14,251 INFO L225 Difference]: With dead ends: 28476 [2022-07-13 12:44:14,251 INFO L226 Difference]: Without dead ends: 17377 [2022-07-13 12:44:14,262 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 [2022-07-13 12:44:14,263 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 202 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:14,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 81 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-13 12:44:14,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17377 states. [2022-07-13 12:44:14,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17377 to 16455. [2022-07-13 12:44:14,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16455 states, 16454 states have (on average 1.092378752886836) internal successors, (17974), 16454 states have internal predecessors, (17974), 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) [2022-07-13 12:44:14,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16455 states to 16455 states and 17974 transitions. [2022-07-13 12:44:14,525 INFO L78 Accepts]: Start accepts. Automaton has 16455 states and 17974 transitions. Word has length 511 [2022-07-13 12:44:14,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:14,525 INFO L495 AbstractCegarLoop]: Abstraction has 16455 states and 17974 transitions. [2022-07-13 12:44:14,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 3 states have internal predecessors, (393), 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) [2022-07-13 12:44:14,526 INFO L276 IsEmpty]: Start isEmpty. Operand 16455 states and 17974 transitions. [2022-07-13 12:44:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2022-07-13 12:44:14,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:14,553 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:44:14,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-13 12:44:14,553 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:14,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:14,554 INFO L85 PathProgramCache]: Analyzing trace with hash -430183781, now seen corresponding path program 1 times [2022-07-13 12:44:14,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:14,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138274412] [2022-07-13 12:44:14,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:14,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 877 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2022-07-13 12:44:14,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:14,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138274412] [2022-07-13 12:44:14,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138274412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:14,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:14,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:14,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742227713] [2022-07-13 12:44:14,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:14,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:14,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:14,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:14,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:14,768 INFO L87 Difference]: Start difference. First operand 16455 states and 17974 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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) [2022-07-13 12:44:15,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:15,386 INFO L93 Difference]: Finished difference Result 34205 states and 37381 transitions. [2022-07-13 12:44:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:15,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 607 [2022-07-13 12:44:15,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:15,465 INFO L225 Difference]: With dead ends: 34205 [2022-07-13 12:44:15,466 INFO L226 Difference]: Without dead ends: 18120 [2022-07-13 12:44:15,475 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 [2022-07-13 12:44:15,475 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 136 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:15,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 141 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 12:44:15,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18120 states. [2022-07-13 12:44:15,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18120 to 16271. [2022-07-13 12:44:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16271 states, 16270 states have (on average 1.0920712968653965) internal successors, (17768), 16270 states have internal predecessors, (17768), 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) [2022-07-13 12:44:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16271 states to 16271 states and 17768 transitions. [2022-07-13 12:44:15,680 INFO L78 Accepts]: Start accepts. Automaton has 16271 states and 17768 transitions. Word has length 607 [2022-07-13 12:44:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:15,681 INFO L495 AbstractCegarLoop]: Abstraction has 16271 states and 17768 transitions. [2022-07-13 12:44:15,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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) [2022-07-13 12:44:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 16271 states and 17768 transitions. [2022-07-13 12:44:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2022-07-13 12:44:15,701 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:15,701 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:44:15,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-13 12:44:15,702 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:15,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:15,702 INFO L85 PathProgramCache]: Analyzing trace with hash 522658155, now seen corresponding path program 1 times [2022-07-13 12:44:15,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:15,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750220055] [2022-07-13 12:44:15,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:15,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:15,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 693 proven. 0 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2022-07-13 12:44:15,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:15,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750220055] [2022-07-13 12:44:15,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750220055] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:15,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:15,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:15,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723347275] [2022-07-13 12:44:15,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:15,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:15,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:15,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:15,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:15,992 INFO L87 Difference]: Start difference. First operand 16271 states and 17768 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2022-07-13 12:44:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:16,661 INFO L93 Difference]: Finished difference Result 33827 states and 36954 transitions. [2022-07-13 12:44:16,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:16,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 635 [2022-07-13 12:44:16,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:16,680 INFO L225 Difference]: With dead ends: 33827 [2022-07-13 12:44:16,680 INFO L226 Difference]: Without dead ends: 17926 [2022-07-13 12:44:16,694 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 [2022-07-13 12:44:16,695 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 66 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:16,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 337 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:44:16,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17926 states. [2022-07-13 12:44:16,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17926 to 14972. [2022-07-13 12:44:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14972 states, 14971 states have (on average 1.09030792866208) internal successors, (16323), 14971 states have internal predecessors, (16323), 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) [2022-07-13 12:44:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14972 states to 14972 states and 16323 transitions. [2022-07-13 12:44:16,918 INFO L78 Accepts]: Start accepts. Automaton has 14972 states and 16323 transitions. Word has length 635 [2022-07-13 12:44:16,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:16,919 INFO L495 AbstractCegarLoop]: Abstraction has 14972 states and 16323 transitions. [2022-07-13 12:44:16,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2022-07-13 12:44:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 14972 states and 16323 transitions. [2022-07-13 12:44:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2022-07-13 12:44:16,945 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:16,945 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, 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, 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, 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] [2022-07-13 12:44:16,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-13 12:44:16,946 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:16,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:16,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1081395098, now seen corresponding path program 1 times [2022-07-13 12:44:16,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:16,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294248171] [2022-07-13 12:44:16,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:16,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 837 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-07-13 12:44:17,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:17,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294248171] [2022-07-13 12:44:17,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294248171] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:17,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:17,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 12:44:17,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824484467] [2022-07-13 12:44:17,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:17,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 12:44:17,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:17,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 12:44:17,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-13 12:44:17,413 INFO L87 Difference]: Start difference. First operand 14972 states and 16323 transitions. Second operand has 7 states, 7 states have (on average 59.0) internal successors, (413), 6 states have internal predecessors, (413), 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) [2022-07-13 12:44:18,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:18,942 INFO L93 Difference]: Finished difference Result 35774 states and 38939 transitions. [2022-07-13 12:44:18,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 12:44:18,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 59.0) internal successors, (413), 6 states have internal predecessors, (413), 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 662 [2022-07-13 12:44:18,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:18,968 INFO L225 Difference]: With dead ends: 35774 [2022-07-13 12:44:18,968 INFO L226 Difference]: Without dead ends: 21172 [2022-07-13 12:44:18,980 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 [2022-07-13 12:44:18,981 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 292 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 1833 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:18,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 192 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1833 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 12:44:18,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21172 states. [2022-07-13 12:44:19,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21172 to 20681. [2022-07-13 12:44:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20681 states, 20680 states have (on average 1.0872823984526112) internal successors, (22485), 20680 states have internal predecessors, (22485), 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) [2022-07-13 12:44:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20681 states to 20681 states and 22485 transitions. [2022-07-13 12:44:19,286 INFO L78 Accepts]: Start accepts. Automaton has 20681 states and 22485 transitions. Word has length 662 [2022-07-13 12:44:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:19,287 INFO L495 AbstractCegarLoop]: Abstraction has 20681 states and 22485 transitions. [2022-07-13 12:44:19,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 59.0) internal successors, (413), 6 states have internal predecessors, (413), 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) [2022-07-13 12:44:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 20681 states and 22485 transitions. [2022-07-13 12:44:19,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2022-07-13 12:44:19,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:19,311 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:44:19,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-13 12:44:19,311 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:19,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:19,312 INFO L85 PathProgramCache]: Analyzing trace with hash -118562656, now seen corresponding path program 1 times [2022-07-13 12:44:19,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:19,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146946460] [2022-07-13 12:44:19,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:19,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:19,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 1119 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2022-07-13 12:44:19,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:19,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146946460] [2022-07-13 12:44:19,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146946460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:19,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:19,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:19,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724618646] [2022-07-13 12:44:19,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:19,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:19,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:19,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:19,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:19,573 INFO L87 Difference]: Start difference. First operand 20681 states and 22485 transitions. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2022-07-13 12:44:20,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:20,350 INFO L93 Difference]: Finished difference Result 43382 states and 47189 transitions. [2022-07-13 12:44:20,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:20,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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 670 [2022-07-13 12:44:20,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:20,381 INFO L225 Difference]: With dead ends: 43382 [2022-07-13 12:44:20,381 INFO L226 Difference]: Without dead ends: 23071 [2022-07-13 12:44:20,396 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 [2022-07-13 12:44:20,397 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 123 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:20,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 309 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 12:44:20,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23071 states. [2022-07-13 12:44:20,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23071 to 15523. [2022-07-13 12:44:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15523 states, 15522 states have (on average 1.089099342868187) internal successors, (16905), 15522 states have internal predecessors, (16905), 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) [2022-07-13 12:44:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15523 states to 15523 states and 16905 transitions. [2022-07-13 12:44:20,613 INFO L78 Accepts]: Start accepts. Automaton has 15523 states and 16905 transitions. Word has length 670 [2022-07-13 12:44:20,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:20,613 INFO L495 AbstractCegarLoop]: Abstraction has 15523 states and 16905 transitions. [2022-07-13 12:44:20,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2022-07-13 12:44:20,614 INFO L276 IsEmpty]: Start isEmpty. Operand 15523 states and 16905 transitions. [2022-07-13 12:44:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 673 [2022-07-13 12:44:20,632 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:20,632 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, 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, 4, 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, 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] [2022-07-13 12:44:20,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-13 12:44:20,633 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:20,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:20,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2057566227, now seen corresponding path program 1 times [2022-07-13 12:44:20,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:20,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500980616] [2022-07-13 12:44:20,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 859 proven. 8 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-07-13 12:44:21,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:21,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500980616] [2022-07-13 12:44:21,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500980616] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 12:44:21,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729689247] [2022-07-13 12:44:21,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:21,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 12:44:21,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 12:44:21,044 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) [2022-07-13 12:44:21,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 12:44:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:21,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-13 12:44:21,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 12:44:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 746 proven. 121 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-07-13 12:44:22,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 12:44:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 746 proven. 121 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-07-13 12:44:26,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729689247] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 12:44:26,138 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 12:44:26,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 3] total 10 [2022-07-13 12:44:26,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251864068] [2022-07-13 12:44:26,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 12:44:26,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 12:44:26,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:26,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 12:44:26,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-13 12:44:26,143 INFO L87 Difference]: Start difference. First operand 15523 states and 16905 transitions. Second operand has 11 states, 11 states have (on average 90.0909090909091) internal successors, (991), 10 states have internal predecessors, (991), 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) [2022-07-13 12:44:29,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:29,788 INFO L93 Difference]: Finished difference Result 37415 states and 40591 transitions. [2022-07-13 12:44:29,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-13 12:44:29,790 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 90.0909090909091) internal successors, (991), 10 states have internal predecessors, (991), 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 672 [2022-07-13 12:44:29,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:29,813 INFO L225 Difference]: With dead ends: 37415 [2022-07-13 12:44:29,813 INFO L226 Difference]: Without dead ends: 22070 [2022-07-13 12:44:29,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1375 GetRequests, 1339 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=363, Invalid=969, Unknown=0, NotChecked=0, Total=1332 [2022-07-13 12:44:29,826 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 1460 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 3691 mSolverCounterSat, 898 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1460 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 4589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 898 IncrementalHoareTripleChecker+Valid, 3691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:29,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1460 Valid, 168 Invalid, 4589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [898 Valid, 3691 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-13 12:44:29,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22070 states. [2022-07-13 12:44:29,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22070 to 12200. [2022-07-13 12:44:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12200 states, 12199 states have (on average 1.0650873022378884) internal successors, (12993), 12199 states have internal predecessors, (12993), 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) [2022-07-13 12:44:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12200 states to 12200 states and 12993 transitions. [2022-07-13 12:44:29,986 INFO L78 Accepts]: Start accepts. Automaton has 12200 states and 12993 transitions. Word has length 672 [2022-07-13 12:44:29,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:29,986 INFO L495 AbstractCegarLoop]: Abstraction has 12200 states and 12993 transitions. [2022-07-13 12:44:29,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 90.0909090909091) internal successors, (991), 10 states have internal predecessors, (991), 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) [2022-07-13 12:44:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 12200 states and 12993 transitions. [2022-07-13 12:44:30,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 688 [2022-07-13 12:44:30,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:30,003 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, 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, 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, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:44:30,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 12:44:30,229 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,SelfDestructingSolverStorable21 [2022-07-13 12:44:30,230 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:30,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:30,230 INFO L85 PathProgramCache]: Analyzing trace with hash -896075539, now seen corresponding path program 1 times [2022-07-13 12:44:30,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:30,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136265037] [2022-07-13 12:44:30,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:30,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1436 backedges. 1039 proven. 64 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-13 12:44:30,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:30,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136265037] [2022-07-13 12:44:30,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136265037] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 12:44:30,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331711059] [2022-07-13 12:44:30,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:30,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 12:44:30,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 12:44:30,491 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) [2022-07-13 12:44:30,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 12:44:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:30,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 12:44:30,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 12:44:30,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1436 backedges. 1103 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-07-13 12:44:30,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 12:44:30,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331711059] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:30,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 12:44:30,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-13 12:44:30,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259888013] [2022-07-13 12:44:30,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:30,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:30,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:30,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:30,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 12:44:30,879 INFO L87 Difference]: Start difference. First operand 12200 states and 12993 transitions. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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) [2022-07-13 12:44:31,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:31,491 INFO L93 Difference]: Finished difference Result 25329 states and 26993 transitions. [2022-07-13 12:44:31,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:31,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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 687 [2022-07-13 12:44:31,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:31,504 INFO L225 Difference]: With dead ends: 25329 [2022-07-13 12:44:31,504 INFO L226 Difference]: Without dead ends: 13315 [2022-07-13 12:44:31,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 686 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 12:44:31,513 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 77 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:31,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 320 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 12:44:31,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13315 states. [2022-07-13 12:44:31,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13315 to 12200. [2022-07-13 12:44:31,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12200 states, 12199 states have (on average 1.0624641364046232) internal successors, (12961), 12199 states have internal predecessors, (12961), 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) [2022-07-13 12:44:31,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12200 states to 12200 states and 12961 transitions. [2022-07-13 12:44:31,662 INFO L78 Accepts]: Start accepts. Automaton has 12200 states and 12961 transitions. Word has length 687 [2022-07-13 12:44:31,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:31,662 INFO L495 AbstractCegarLoop]: Abstraction has 12200 states and 12961 transitions. [2022-07-13 12:44:31,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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) [2022-07-13 12:44:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 12200 states and 12961 transitions. [2022-07-13 12:44:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2022-07-13 12:44:31,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:31,673 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 12:44:31,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-13 12:44:31,873 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,SelfDestructingSolverStorable22 [2022-07-13 12:44:31,874 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:31,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:31,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1829428589, now seen corresponding path program 1 times [2022-07-13 12:44:31,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:31,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684368131] [2022-07-13 12:44:31,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:31,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 1192 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2022-07-13 12:44:32,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:32,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684368131] [2022-07-13 12:44:32,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684368131] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:32,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:32,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:32,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679812669] [2022-07-13 12:44:32,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:32,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:32,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:32,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:32,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:32,160 INFO L87 Difference]: Start difference. First operand 12200 states and 12961 transitions. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2022-07-13 12:44:32,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:32,777 INFO L93 Difference]: Finished difference Result 25330 states and 26933 transitions. [2022-07-13 12:44:32,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:32,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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 716 [2022-07-13 12:44:32,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:32,792 INFO L225 Difference]: With dead ends: 25330 [2022-07-13 12:44:32,792 INFO L226 Difference]: Without dead ends: 13500 [2022-07-13 12:44:32,801 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 [2022-07-13 12:44:32,802 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 131 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:32,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 102 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 12:44:32,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13500 states. [2022-07-13 12:44:32,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13500 to 12016. [2022-07-13 12:44:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12016 states, 12015 states have (on average 1.0620058260507699) internal successors, (12760), 12015 states have internal predecessors, (12760), 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) [2022-07-13 12:44:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12016 states to 12016 states and 12760 transitions. [2022-07-13 12:44:32,934 INFO L78 Accepts]: Start accepts. Automaton has 12016 states and 12760 transitions. Word has length 716 [2022-07-13 12:44:32,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:32,935 INFO L495 AbstractCegarLoop]: Abstraction has 12016 states and 12760 transitions. [2022-07-13 12:44:32,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2022-07-13 12:44:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand 12016 states and 12760 transitions. [2022-07-13 12:44:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2022-07-13 12:44:32,945 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:32,945 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-13 12:44:32,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-13 12:44:32,945 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:32,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:32,946 INFO L85 PathProgramCache]: Analyzing trace with hash -207250752, now seen corresponding path program 1 times [2022-07-13 12:44:32,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:32,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806638169] [2022-07-13 12:44:32,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:32,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 1292 proven. 0 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-07-13 12:44:33,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:33,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806638169] [2022-07-13 12:44:33,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806638169] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:33,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:33,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 12:44:33,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206682945] [2022-07-13 12:44:33,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:33,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 12:44:33,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:33,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 12:44:33,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 12:44:33,211 INFO L87 Difference]: Start difference. First operand 12016 states and 12760 transitions. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2022-07-13 12:44:33,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:33,750 INFO L93 Difference]: Finished difference Result 23106 states and 24550 transitions. [2022-07-13 12:44:33,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 12:44:33,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 750 [2022-07-13 12:44:33,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:33,761 INFO L225 Difference]: With dead ends: 23106 [2022-07-13 12:44:33,761 INFO L226 Difference]: Without dead ends: 11460 [2022-07-13 12:44:33,767 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 [2022-07-13 12:44:33,768 INFO L413 NwaCegarLoop]: 258 mSDtfsCounter, 65 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:33,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 268 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 12:44:33,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11460 states. [2022-07-13 12:44:33,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11460 to 9616. [2022-07-13 12:44:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9616 states, 9615 states have (on average 1.0582423296931878) internal successors, (10175), 9615 states have internal predecessors, (10175), 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) [2022-07-13 12:44:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9616 states to 9616 states and 10175 transitions. [2022-07-13 12:44:33,864 INFO L78 Accepts]: Start accepts. Automaton has 9616 states and 10175 transitions. Word has length 750 [2022-07-13 12:44:33,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:33,864 INFO L495 AbstractCegarLoop]: Abstraction has 9616 states and 10175 transitions. [2022-07-13 12:44:33,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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) [2022-07-13 12:44:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 9616 states and 10175 transitions. [2022-07-13 12:44:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2022-07-13 12:44:33,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:33,876 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 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, 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] [2022-07-13 12:44:33,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-13 12:44:33,877 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:33,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:33,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1393997085, now seen corresponding path program 1 times [2022-07-13 12:44:33,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:33,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590730535] [2022-07-13 12:44:33,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:33,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1864 backedges. 1468 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-07-13 12:44:34,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:34,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590730535] [2022-07-13 12:44:34,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590730535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:34,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:34,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 12:44:34,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440545709] [2022-07-13 12:44:34,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:34,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:44:34,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:34,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:44:34,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:44:34,197 INFO L87 Difference]: Start difference. First operand 9616 states and 10175 transitions. Second operand has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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) [2022-07-13 12:44:35,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:35,090 INFO L93 Difference]: Finished difference Result 21822 states and 23068 transitions. [2022-07-13 12:44:35,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:44:35,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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 811 [2022-07-13 12:44:35,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:35,106 INFO L225 Difference]: With dead ends: 21822 [2022-07-13 12:44:35,106 INFO L226 Difference]: Without dead ends: 12208 [2022-07-13 12:44:35,114 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 [2022-07-13 12:44:35,115 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 237 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:35,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 72 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 12:44:35,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12208 states. [2022-07-13 12:44:35,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12208 to 8698. [2022-07-13 12:44:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8698 states, 8697 states have (on average 1.053006783948488) internal successors, (9158), 8697 states have internal predecessors, (9158), 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) [2022-07-13 12:44:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8698 states to 8698 states and 9158 transitions. [2022-07-13 12:44:35,221 INFO L78 Accepts]: Start accepts. Automaton has 8698 states and 9158 transitions. Word has length 811 [2022-07-13 12:44:35,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:35,222 INFO L495 AbstractCegarLoop]: Abstraction has 8698 states and 9158 transitions. [2022-07-13 12:44:35,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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) [2022-07-13 12:44:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 8698 states and 9158 transitions. [2022-07-13 12:44:35,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 873 [2022-07-13 12:44:35,232 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 12:44:35,233 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 4, 4, 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, 1, 1, 1, 1] [2022-07-13 12:44:35,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-13 12:44:35,233 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 12:44:35,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 12:44:35,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1227757454, now seen corresponding path program 1 times [2022-07-13 12:44:35,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 12:44:35,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968726682] [2022-07-13 12:44:35,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 12:44:35,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 12:44:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 12:44:35,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 1524 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-07-13 12:44:35,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 12:44:35,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968726682] [2022-07-13 12:44:35,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968726682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 12:44:35,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 12:44:35,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 12:44:35,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45217661] [2022-07-13 12:44:35,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 12:44:35,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 12:44:35,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 12:44:35,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 12:44:35,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 12:44:35,557 INFO L87 Difference]: Start difference. First operand 8698 states and 9158 transitions. Second operand has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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) [2022-07-13 12:44:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 12:44:36,352 INFO L93 Difference]: Finished difference Result 14805 states and 15599 transitions. [2022-07-13 12:44:36,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 12:44:36,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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 872 [2022-07-13 12:44:36,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 12:44:36,353 INFO L225 Difference]: With dead ends: 14805 [2022-07-13 12:44:36,353 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 12:44:36,358 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 [2022-07-13 12:44:36,358 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 223 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 12:44:36,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 41 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 12:44:36,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 12:44:36,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 12:44:36,359 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) [2022-07-13 12:44:36,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 12:44:36,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 872 [2022-07-13 12:44:36,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 12:44:36,359 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 12:44:36,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 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) [2022-07-13 12:44:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 12:44:36,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 12:44:36,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 12:44:36,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-13 12:44:36,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 12:45:09,005 WARN L233 SmtUtils]: Spent 32.63s on a formula simplification. DAG size of input: 886 DAG size of output: 883 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-13 12:45:41,350 WARN L233 SmtUtils]: Spent 32.33s on a formula simplification. DAG size of input: 886 DAG size of output: 883 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-13 12:45:49,997 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-13 12:45:49,998 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-13 12:45:49,998 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-13 12:45:49,998 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:49,998 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:49,998 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:49,998 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-13 12:45:49,998 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-13 12:45:49,998 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-13 12:45:49,999 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-13 12:45:50,000 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,001 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,001 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,001 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse19 (+ ~a23~0 43))) (let ((.cse11 (not (<= ~a23~0 306))) (.cse13 (<= 130 ~a29~0)) (.cse8 (<= ~a23~0 600000)) (.cse14 (<= ~a25~0 10)) (.cse12 (<= ~a23~0 599997)) (.cse5 (<= 141 ~a29~0)) (.cse2 (= ~a25~0 12)) (.cse1 (<= (+ ~a23~0 55) 0)) (.cse18 (= ~a25~0 10)) (.cse10 (= ~a25~0 11)) (.cse7 (<= ~a29~0 130)) (.cse0 (= ~a4~0 1)) (.cse16 (<= ~a23~0 312)) (.cse9 (<= 260 ~a29~0)) (.cse6 (<= ~a25~0 9)) (.cse15 (= ~a25~0 13)) (.cse20 (<= .cse19 0)) (.cse3 (<= ~a29~0 277)) (.cse4 (= ~a4~0 0)) (.cse17 (<= 246 ~a29~0))) (or (and (<= ~a23~0 138) .cse0 (not (= ~a25~0 9))) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse0 .cse11) (and .cse12 .cse5 (or (and .cse2 .cse3 .cse0 (<= ~a29~0 232) .cse11 .cse13) (and .cse3 .cse10 (<= ~a29~0 220) .cse0 .cse13))) (and .cse3 .cse14 .cse5 .cse0) (and .cse15 .cse12 .cse0 .cse11) (and .cse15 .cse9 .cse0 .cse16) (and .cse15 .cse12 .cse0 .cse7) (and .cse8 (or (and .cse2 .cse3 .cse0 .cse17 .cse11 .cse13) (and .cse3 .cse10 .cse0 .cse17 .cse13))) (and .cse8 .cse9 .cse14 .cse0) (and .cse1 .cse2 .cse4 .cse7) (and .cse12 .cse0 .cse18) (and .cse2 .cse3 .cse4 .cse17) (and .cse15 (<= ~a29~0 240) .cse5 .cse0) (and .cse2 (or (not (< 306 ~a23~0)) (not (< 277 ~a29~0))) .cse0 .cse16) (and .cse1 (or (and .cse4 .cse18 .cse7) (and .cse4 .cse10 .cse7))) (and (< 0 .cse19) .cse0 .cse16 .cse6) (and .cse9 .cse20 .cse4 .cse6) (and .cse15 .cse20 .cse3 .cse4 .cse17)))) [2022-07-13 12:45:50,001 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,001 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-13 12:45:50,001 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-13 12:45:50,001 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,002 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,003 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,003 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,003 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,003 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-13 12:45:50,003 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-13 12:45:50,003 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-13 12:45:50,003 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,004 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,004 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,004 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,004 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,004 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,004 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,004 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,004 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,005 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-13 12:45:50,005 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-13 12:45:50,005 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-13 12:45:50,005 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,005 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse19 (+ ~a23~0 43))) (let ((.cse11 (not (<= ~a23~0 306))) (.cse13 (<= 130 ~a29~0)) (.cse8 (<= ~a23~0 600000)) (.cse14 (<= ~a25~0 10)) (.cse12 (<= ~a23~0 599997)) (.cse5 (<= 141 ~a29~0)) (.cse2 (= ~a25~0 12)) (.cse1 (<= (+ ~a23~0 55) 0)) (.cse18 (= ~a25~0 10)) (.cse10 (= ~a25~0 11)) (.cse7 (<= ~a29~0 130)) (.cse0 (= ~a4~0 1)) (.cse16 (<= ~a23~0 312)) (.cse9 (<= 260 ~a29~0)) (.cse6 (<= ~a25~0 9)) (.cse15 (= ~a25~0 13)) (.cse20 (<= .cse19 0)) (.cse3 (<= ~a29~0 277)) (.cse4 (= ~a4~0 0)) (.cse17 (<= 246 ~a29~0))) (or (and (<= ~a23~0 138) .cse0 (not (= ~a25~0 9))) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse4 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse0 .cse11) (and .cse12 .cse5 (or (and .cse2 .cse3 .cse0 (<= ~a29~0 232) .cse11 .cse13) (and .cse3 .cse10 (<= ~a29~0 220) .cse0 .cse13))) (and .cse3 .cse14 .cse5 .cse0) (and .cse15 .cse12 .cse0 .cse11) (and .cse15 .cse9 .cse0 .cse16) (and .cse15 .cse12 .cse0 .cse7) (and .cse8 (or (and .cse2 .cse3 .cse0 .cse17 .cse11 .cse13) (and .cse3 .cse10 .cse0 .cse17 .cse13))) (and .cse8 .cse9 .cse14 .cse0) (and .cse1 .cse2 .cse4 .cse7) (and .cse12 .cse0 .cse18) (and .cse2 .cse3 .cse4 .cse17) (and .cse15 (<= ~a29~0 240) .cse5 .cse0) (and .cse2 (or (not (< 306 ~a23~0)) (not (< 277 ~a29~0))) .cse0 .cse16) (and .cse1 (or (and .cse4 .cse18 .cse7) (and .cse4 .cse10 .cse7))) (and (< 0 .cse19) .cse0 .cse16 .cse6) (and .cse9 .cse20 .cse4 .cse6) (and .cse15 .cse20 .cse3 .cse4 .cse17)))) [2022-07-13 12:45:50,005 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,005 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,006 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,006 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,006 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,006 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,006 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,006 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,006 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-13 12:45:50,007 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-13 12:45:50,007 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-13 12:45:50,007 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-13 12:45:50,007 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-13 12:45:50,007 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-13 12:45:50,007 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-13 12:45:50,007 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,007 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,008 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,008 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,008 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,008 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,008 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,008 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,008 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,008 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 12:45:50,009 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-13 12:45:50,009 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-13 12:45:50,009 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-13 12:45:50,009 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-13 12:45:50,009 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,009 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,009 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,010 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,010 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,010 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-13 12:45:50,010 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-13 12:45:50,010 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-13 12:45:50,010 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,010 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,011 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,011 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,011 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-13 12:45:50,011 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-13 12:45:50,011 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,011 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,011 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,011 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,012 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,012 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,012 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-13 12:45:50,012 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-13 12:45:50,012 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,012 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,012 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-13 12:45:50,012 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-13 12:45:50,013 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-13 12:45:50,013 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 12:45:50,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2022-07-13 12:45:50,013 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,013 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,013 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,013 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,014 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,014 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,014 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,014 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-13 12:45:50,014 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-13 12:45:50,014 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-13 12:45:50,014 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-13 12:45:50,014 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-13 12:45:50,015 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-13 12:45:50,015 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-13 12:45:50,015 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,015 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,015 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-13 12:45:50,015 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-13 12:45:50,015 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,015 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,016 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,016 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,016 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,016 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-13 12:45:50,016 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-13 12:45:50,016 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-13 12:45:50,016 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,016 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,017 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,017 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,017 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,017 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,017 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-13 12:45:50,017 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-13 12:45:50,017 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-13 12:45:50,017 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,018 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,018 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,018 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,018 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,018 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,018 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,018 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,018 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-13 12:45:50,019 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-13 12:45:50,019 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-13 12:45:50,019 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,019 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,019 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,019 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,019 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,020 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,020 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,020 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,020 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,020 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,020 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,020 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-13 12:45:50,020 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-13 12:45:50,021 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-13 12:45:50,021 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-13 12:45:50,021 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-13 12:45:50,021 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,021 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,021 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,021 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,021 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,022 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,022 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,022 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-13 12:45:50,022 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-13 12:45:50,022 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-13 12:45:50,022 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,022 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,022 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,023 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-13 12:45:50,023 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-13 12:45:50,023 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,023 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,023 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,023 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,023 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,023 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-13 12:45:50,024 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-13 12:45:50,024 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,024 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,024 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-13 12:45:50,024 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-13 12:45:50,024 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 12:45:50,024 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,025 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,025 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,025 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,025 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,025 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-13 12:45:50,025 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-13 12:45:50,025 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-13 12:45:50,025 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-13 12:45:50,026 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,026 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,026 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,026 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,026 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,026 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,026 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,026 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,027 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-13 12:45:50,027 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-13 12:45:50,027 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-13 12:45:50,027 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-13 12:45:50,027 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-13 12:45:50,027 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-13 12:45:50,027 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,027 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,028 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,028 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,028 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,028 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,028 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,028 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-13 12:45:50,028 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-13 12:45:50,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 12:45:50,029 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,029 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,029 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,029 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,029 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,029 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,029 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-13 12:45:50,030 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-13 12:45:50,030 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,030 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,030 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,030 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,030 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,030 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,030 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,031 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-13 12:45:50,031 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-13 12:45:50,031 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,031 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,031 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-13 12:45:50,031 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-13 12:45:50,031 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-13 12:45:50,031 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-13 12:45:50,034 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] [2022-07-13 12:45:50,036 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 12:45:50,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 12:45:50 BoogieIcfgContainer [2022-07-13 12:45:50,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 12:45:50,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 12:45:50,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 12:45:50,059 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 12:45:50,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 12:43:55" (3/4) ... [2022-07-13 12:45:50,062 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 12:45:50,081 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 12:45:50,082 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 12:45:50,083 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 12:45:50,084 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 12:45:50,205 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 12:45:50,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 12:45:50,206 INFO L158 Benchmark]: Toolchain (without parser) took 116946.46ms. Allocated memory was 96.5MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 61.5MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 335.9MB. Max. memory is 16.1GB. [2022-07-13 12:45:50,206 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 12:45:50,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.69ms. Allocated memory is still 96.5MB. Free memory was 61.3MB in the beginning and 39.0MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-13 12:45:50,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.80ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 39.0MB in the beginning and 85.0MB in the end (delta: -46.1MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-07-13 12:45:50,207 INFO L158 Benchmark]: Boogie Preprocessor took 100.99ms. Allocated memory is still 123.7MB. Free memory was 85.0MB in the beginning and 75.9MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 12:45:50,209 INFO L158 Benchmark]: RCFGBuilder took 1495.42ms. Allocated memory is still 123.7MB. Free memory was 75.9MB in the beginning and 44.7MB in the end (delta: 31.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-07-13 12:45:50,210 INFO L158 Benchmark]: TraceAbstraction took 114361.83ms. Allocated memory was 123.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 44.1MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-13 12:45:50,210 INFO L158 Benchmark]: Witness Printer took 146.38ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-13 12:45:50,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.69ms. Allocated memory is still 96.5MB. Free memory was 61.3MB in the beginning and 39.0MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.80ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 39.0MB in the beginning and 85.0MB in the end (delta: -46.1MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.99ms. Allocated memory is still 123.7MB. Free memory was 85.0MB in the beginning and 75.9MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1495.42ms. Allocated memory is still 123.7MB. Free memory was 75.9MB in the beginning and 44.7MB in the end (delta: 31.2MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * TraceAbstraction took 114361.83ms. Allocated memory was 123.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 44.1MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 146.38ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 14.4MB). 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: 139]: 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: 114.3s, OverallIterations: 27, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 24.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 73.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5311 SdHoareTripleChecker+Valid, 20.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5311 mSDsluCounter, 5619 SdHoareTripleChecker+Invalid, 17.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 784 mSDsCounter, 3266 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20911 IncrementalHoareTripleChecker+Invalid, 24177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3266 mSolverCounterUnsat, 4835 mSDtfsCounter, 20911 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2145 GetRequests, 2067 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20681occurred in iteration=20, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 27 MinimizatonAttempts, 40684 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 103 NumberOfFragments, 717 HoareAnnotationTreeSize, 3 FomulaSimplifications, 58824 FormulaSimplificationTreeSizeReduction, 65.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1395952 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 13386 NumberOfCodeBlocks, 13386 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 14028 ConstructedInterpolants, 0 QuantifiedInterpolants, 44074 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1765 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 30 InterpolantComputations, 26 PerfectInterpolantSequences, 24098/24412 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: ((((((((((((((((((((a23 <= 138 && a4 == 1) && !(a25 == 9)) || ((((a23 + 55 <= 0 && a25 == 12) && a29 <= 277) && a4 == 0) && 141 <= a29)) || (((a23 + 55 <= 0 && a4 == 0) && a25 <= 9) && a29 <= 130)) || ((((a23 <= 600000 && 260 <= a29) && a25 == 11) && a4 == 1) && !(a23 <= 306))) || ((a23 <= 599997 && 141 <= a29) && ((((((a25 == 12 && a29 <= 277) && a4 == 1) && a29 <= 232) && !(a23 <= 306)) && 130 <= a29) || ((((a29 <= 277 && a25 == 11) && a29 <= 220) && a4 == 1) && 130 <= a29)))) || (((a29 <= 277 && a25 <= 10) && 141 <= a29) && a4 == 1)) || (((a25 == 13 && a23 <= 599997) && a4 == 1) && !(a23 <= 306))) || (((a25 == 13 && 260 <= a29) && a4 == 1) && a23 <= 312)) || (((a25 == 13 && a23 <= 599997) && a4 == 1) && a29 <= 130)) || (a23 <= 600000 && ((((((a25 == 12 && a29 <= 277) && a4 == 1) && 246 <= a29) && !(a23 <= 306)) && 130 <= a29) || ((((a29 <= 277 && a25 == 11) && a4 == 1) && 246 <= a29) && 130 <= a29)))) || (((a23 <= 600000 && 260 <= a29) && a25 <= 10) && a4 == 1)) || (((a23 + 55 <= 0 && a25 == 12) && a4 == 0) && a29 <= 130)) || ((a23 <= 599997 && a4 == 1) && a25 == 10)) || (((a25 == 12 && a29 <= 277) && a4 == 0) && 246 <= a29)) || (((a25 == 13 && a29 <= 240) && 141 <= a29) && a4 == 1)) || (((a25 == 12 && (!(306 < a23) || !(277 < a29))) && a4 == 1) && a23 <= 312)) || (a23 + 55 <= 0 && (((a4 == 0 && a25 == 10) && a29 <= 130) || ((a4 == 0 && a25 == 11) && a29 <= 130)))) || (((0 < a23 + 43 && a4 == 1) && a23 <= 312) && a25 <= 9)) || (((260 <= a29 && a23 + 43 <= 0) && a4 == 0) && a25 <= 9)) || ((((a25 == 13 && a23 + 43 <= 0) && a29 <= 277) && a4 == 0) && 246 <= a29) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a23 <= 138 && a4 == 1) && !(a25 == 9)) || ((((a23 + 55 <= 0 && a25 == 12) && a29 <= 277) && a4 == 0) && 141 <= a29)) || (((a23 + 55 <= 0 && a4 == 0) && a25 <= 9) && a29 <= 130)) || ((((a23 <= 600000 && 260 <= a29) && a25 == 11) && a4 == 1) && !(a23 <= 306))) || ((a23 <= 599997 && 141 <= a29) && ((((((a25 == 12 && a29 <= 277) && a4 == 1) && a29 <= 232) && !(a23 <= 306)) && 130 <= a29) || ((((a29 <= 277 && a25 == 11) && a29 <= 220) && a4 == 1) && 130 <= a29)))) || (((a29 <= 277 && a25 <= 10) && 141 <= a29) && a4 == 1)) || (((a25 == 13 && a23 <= 599997) && a4 == 1) && !(a23 <= 306))) || (((a25 == 13 && 260 <= a29) && a4 == 1) && a23 <= 312)) || (((a25 == 13 && a23 <= 599997) && a4 == 1) && a29 <= 130)) || (a23 <= 600000 && ((((((a25 == 12 && a29 <= 277) && a4 == 1) && 246 <= a29) && !(a23 <= 306)) && 130 <= a29) || ((((a29 <= 277 && a25 == 11) && a4 == 1) && 246 <= a29) && 130 <= a29)))) || (((a23 <= 600000 && 260 <= a29) && a25 <= 10) && a4 == 1)) || (((a23 + 55 <= 0 && a25 == 12) && a4 == 0) && a29 <= 130)) || ((a23 <= 599997 && a4 == 1) && a25 == 10)) || (((a25 == 12 && a29 <= 277) && a4 == 0) && 246 <= a29)) || (((a25 == 13 && a29 <= 240) && 141 <= a29) && a4 == 1)) || (((a25 == 12 && (!(306 < a23) || !(277 < a29))) && a4 == 1) && a23 <= 312)) || (a23 + 55 <= 0 && (((a4 == 0 && a25 == 10) && a29 <= 130) || ((a4 == 0 && a25 == 11) && a29 <= 130)))) || (((0 < a23 + 43 && a4 == 1) && a23 <= 312) && a25 <= 9)) || (((260 <= a29 && a23 + 43 <= 0) && a4 == 0) && a25 <= 9)) || ((((a25 == 13 && a23 + 43 <= 0) && a29 <= 277) && a4 == 0) && 246 <= a29) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-13 12:45:50,256 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