./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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/Problem15_label19.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 2d6129311caad436efd8aeb5ae8e8416588f34a9e58c3ca845c70b3697b0a672 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 12:28:37,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 12:28:37,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 12:28:37,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 12:28:37,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 12:28:37,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 12:28:37,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 12:28:37,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 12:28:37,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 12:28:37,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 12:28:37,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 12:28:37,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 12:28:37,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 12:28:37,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 12:28:37,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 12:28:37,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 12:28:37,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 12:28:37,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 12:28:37,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 12:28:37,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 12:28:37,955 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 12:28:37,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 12:28:37,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 12:28:37,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 12:28:37,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 12:28:37,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 12:28:37,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 12:28:37,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 12:28:37,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 12:28:37,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 12:28:37,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 12:28:37,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 12:28:37,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 12:28:37,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 12:28:37,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 12:28:37,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 12:28:37,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 12:28:37,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 12:28:37,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 12:28:37,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 12:28:37,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 12:28:37,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 12:28:37,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 12:28:38,006 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 12:28:38,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 12:28:38,008 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 12:28:38,008 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 12:28:38,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 12:28:38,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 12:28:38,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 12:28:38,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 12:28:38,010 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 12:28:38,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 12:28:38,011 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 12:28:38,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 12:28:38,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 12:28:38,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 12:28:38,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 12:28:38,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 12:28:38,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 12:28:38,012 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 12:28:38,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 12:28:38,014 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 12:28:38,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 12:28:38,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 12:28:38,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 12:28:38,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 12:28:38,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:28:38,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 12:28:38,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 12:28:38,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 12:28:38,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 12:28:38,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 12:28:38,016 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 12:28:38,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 12:28:38,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 12:28:38,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d6129311caad436efd8aeb5ae8e8416588f34a9e58c3ca845c70b3697b0a672 [2022-07-19 12:28:38,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 12:28:38,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 12:28:38,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 12:28:38,240 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 12:28:38,241 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 12:28:38,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label19.c [2022-07-19 12:28:38,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a88599a9/c53eee1657404b55bdd3ae22aef246e9/FLAGca18bdf69 [2022-07-19 12:28:38,880 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 12:28:38,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label19.c [2022-07-19 12:28:38,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a88599a9/c53eee1657404b55bdd3ae22aef246e9/FLAGca18bdf69 [2022-07-19 12:28:39,112 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a88599a9/c53eee1657404b55bdd3ae22aef246e9 [2022-07-19 12:28:39,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 12:28:39,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 12:28:39,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 12:28:39,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 12:28:39,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 12:28:39,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:28:39" (1/1) ... [2022-07-19 12:28:39,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2842ca44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:39, skipping insertion in model container [2022-07-19 12:28:39,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 12:28:39" (1/1) ... [2022-07-19 12:28:39,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 12:28:39,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 12:28:39,451 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/Problem15_label19.c[5585,5598] [2022-07-19 12:28:39,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:28:39,799 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 12:28:39,817 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/Problem15_label19.c[5585,5598] [2022-07-19 12:28:40,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 12:28:40,030 INFO L208 MainTranslator]: Completed translation [2022-07-19 12:28:40,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40 WrapperNode [2022-07-19 12:28:40,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 12:28:40,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 12:28:40,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 12:28:40,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 12:28:40,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (1/1) ... [2022-07-19 12:28:40,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (1/1) ... [2022-07-19 12:28:40,250 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-07-19 12:28:40,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 12:28:40,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 12:28:40,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 12:28:40,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 12:28:40,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (1/1) ... [2022-07-19 12:28:40,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (1/1) ... [2022-07-19 12:28:40,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (1/1) ... [2022-07-19 12:28:40,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (1/1) ... [2022-07-19 12:28:40,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (1/1) ... [2022-07-19 12:28:40,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (1/1) ... [2022-07-19 12:28:40,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (1/1) ... [2022-07-19 12:28:40,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 12:28:40,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 12:28:40,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 12:28:40,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 12:28:40,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (1/1) ... [2022-07-19 12:28:40,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 12:28:40,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:28:40,569 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) [2022-07-19 12:28:40,594 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 [2022-07-19 12:28:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 12:28:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 12:28:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 12:28:40,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 12:28:40,690 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 12:28:40,691 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 12:28:42,897 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 12:28:42,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 12:28:42,907 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 12:28:42,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:28:42 BoogieIcfgContainer [2022-07-19 12:28:42,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 12:28:42,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 12:28:42,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 12:28:42,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 12:28:42,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 12:28:39" (1/3) ... [2022-07-19 12:28:42,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3226ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:28:42, skipping insertion in model container [2022-07-19 12:28:42,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 12:28:40" (2/3) ... [2022-07-19 12:28:42,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3226ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 12:28:42, skipping insertion in model container [2022-07-19 12:28:42,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:28:42" (3/3) ... [2022-07-19 12:28:42,917 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label19.c [2022-07-19 12:28:42,929 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 12:28:42,930 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 12:28:42,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 12:28:43,003 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@730f6179, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@13ce3103 [2022-07-19 12:28:43,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 12:28:43,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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) [2022-07-19 12:28:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-19 12:28:43,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:28:43,019 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:28:43,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:28:43,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:28:43,024 INFO L85 PathProgramCache]: Analyzing trace with hash -2068820151, now seen corresponding path program 1 times [2022-07-19 12:28:43,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:28:43,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076155524] [2022-07-19 12:28:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:43,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:28:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:28:43,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:28:43,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076155524] [2022-07-19 12:28:43,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076155524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:28:43,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:28:43,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:28:43,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303772830] [2022-07-19 12:28:43,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:28:43,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:28:43,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:28:43,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:28:43,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:28:43,336 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-07-19 12:28:45,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:28:45,547 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2022-07-19 12:28:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:28:45,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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 45 [2022-07-19 12:28:45,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:28:45,563 INFO L225 Difference]: With dead ends: 1154 [2022-07-19 12:28:45,563 INFO L226 Difference]: Without dead ends: 665 [2022-07-19 12:28:45,568 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 [2022-07-19 12:28:45,571 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 276 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:28:45,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-19 12:28:45,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-07-19 12:28:45,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-07-19 12:28:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 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) [2022-07-19 12:28:45,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2022-07-19 12:28:45,651 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 45 [2022-07-19 12:28:45,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:28:45,655 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2022-07-19 12:28:45,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-07-19 12:28:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2022-07-19 12:28:45,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-19 12:28:45,662 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:28:45,663 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:28:45,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 12:28:45,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:28:45,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:28:45,664 INFO L85 PathProgramCache]: Analyzing trace with hash 416619247, now seen corresponding path program 1 times [2022-07-19 12:28:45,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:28:45,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25342449] [2022-07-19 12:28:45,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:45,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:28:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:28:45,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:28:45,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25342449] [2022-07-19 12:28:45,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25342449] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:28:45,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:28:45,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:28:45,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899728700] [2022-07-19 12:28:45,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:28:45,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:28:45,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:28:45,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:28:45,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:28:45,818 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 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) [2022-07-19 12:28:47,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:28:47,234 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2022-07-19 12:28:47,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:28:47,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 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 110 [2022-07-19 12:28:47,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:28:47,240 INFO L225 Difference]: With dead ends: 1624 [2022-07-19 12:28:47,240 INFO L226 Difference]: Without dead ends: 963 [2022-07-19 12:28:47,242 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 [2022-07-19 12:28:47,243 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 12:28:47,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 12:28:47,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-07-19 12:28:47,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2022-07-19 12:28:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 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) [2022-07-19 12:28:47,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2022-07-19 12:28:47,288 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 110 [2022-07-19 12:28:47,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:28:47,289 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2022-07-19 12:28:47,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 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) [2022-07-19 12:28:47,289 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2022-07-19 12:28:47,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-19 12:28:47,291 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:28:47,291 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:28:47,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 12:28:47,292 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:28:47,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:28:47,293 INFO L85 PathProgramCache]: Analyzing trace with hash 399406558, now seen corresponding path program 1 times [2022-07-19 12:28:47,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:28:47,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807073382] [2022-07-19 12:28:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:47,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:28:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:47,440 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:28:47,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:28:47,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807073382] [2022-07-19 12:28:47,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807073382] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:28:47,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:28:47,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:28:47,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441769984] [2022-07-19 12:28:47,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:28:47,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 12:28:47,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:28:47,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 12:28:47,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:28:47,447 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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) [2022-07-19 12:28:49,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:28:49,514 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2022-07-19 12:28:49,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:28:49,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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 115 [2022-07-19 12:28:49,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:28:49,521 INFO L225 Difference]: With dead ends: 2244 [2022-07-19 12:28:49,521 INFO L226 Difference]: Without dead ends: 1582 [2022-07-19 12:28:49,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:28:49,524 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 363 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:28:49,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 362 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-19 12:28:49,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-07-19 12:28:49,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2022-07-19 12:28:49,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3051383399209486) internal successors, (1651), 1265 states have internal predecessors, (1651), 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) [2022-07-19 12:28:49,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1651 transitions. [2022-07-19 12:28:49,553 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1651 transitions. Word has length 115 [2022-07-19 12:28:49,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:28:49,553 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1651 transitions. [2022-07-19 12:28:49,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 4 states have internal predecessors, (115), 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) [2022-07-19 12:28:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1651 transitions. [2022-07-19 12:28:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-19 12:28:49,556 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:28:49,556 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:28:49,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 12:28:49,557 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:28:49,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:28:49,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1837727490, now seen corresponding path program 1 times [2022-07-19 12:28:49,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:28:49,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492341810] [2022-07-19 12:28:49,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:49,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:28:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:28:49,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:28:49,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492341810] [2022-07-19 12:28:49,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492341810] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:28:49,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:28:49,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:28:49,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259973742] [2022-07-19 12:28:49,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:28:49,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:28:49,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:28:49,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:28:49,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:28:49,701 INFO L87 Difference]: Start difference. First operand 1266 states and 1651 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-07-19 12:28:50,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:28:50,992 INFO L93 Difference]: Finished difference Result 3133 states and 4193 transitions. [2022-07-19 12:28:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:28:50,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 136 [2022-07-19 12:28:50,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:28:51,003 INFO L225 Difference]: With dead ends: 3133 [2022-07-19 12:28:51,004 INFO L226 Difference]: Without dead ends: 1869 [2022-07-19 12:28:51,006 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 [2022-07-19 12:28:51,007 INFO L413 NwaCegarLoop]: 571 mSDtfsCounter, 299 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 1111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:28:51,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 614 Invalid, 1111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:28:51,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2022-07-19 12:28:51,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 1869. [2022-07-19 12:28:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1869 states, 1868 states have (on average 1.2441113490364026) internal successors, (2324), 1868 states have internal predecessors, (2324), 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) [2022-07-19 12:28:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1869 states and 2324 transitions. [2022-07-19 12:28:51,044 INFO L78 Accepts]: Start accepts. Automaton has 1869 states and 2324 transitions. Word has length 136 [2022-07-19 12:28:51,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:28:51,045 INFO L495 AbstractCegarLoop]: Abstraction has 1869 states and 2324 transitions. [2022-07-19 12:28:51,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-07-19 12:28:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2324 transitions. [2022-07-19 12:28:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-19 12:28:51,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:28:51,049 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2022-07-19 12:28:51,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 12:28:51,049 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:28:51,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:28:51,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1409965138, now seen corresponding path program 1 times [2022-07-19 12:28:51,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:28:51,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957355867] [2022-07-19 12:28:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:51,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:28:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:51,182 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-07-19 12:28:51,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:28:51,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957355867] [2022-07-19 12:28:51,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957355867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:28:51,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:28:51,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:28:51,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828049113] [2022-07-19 12:28:51,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:28:51,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:28:51,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:28:51,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:28:51,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:28:51,184 INFO L87 Difference]: Start difference. First operand 1869 states and 2324 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 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) [2022-07-19 12:28:52,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:28:52,499 INFO L93 Difference]: Finished difference Result 5240 states and 6569 transitions. [2022-07-19 12:28:52,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:28:52,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 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 204 [2022-07-19 12:28:52,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:28:52,514 INFO L225 Difference]: With dead ends: 5240 [2022-07-19 12:28:52,514 INFO L226 Difference]: Without dead ends: 2775 [2022-07-19 12:28:52,517 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 [2022-07-19 12:28:52,518 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 257 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 12:28:52,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 333 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 12:28:52,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2775 states. [2022-07-19 12:28:52,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2775 to 2771. [2022-07-19 12:28:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2770 states have (on average 1.151985559566787) internal successors, (3191), 2770 states have internal predecessors, (3191), 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) [2022-07-19 12:28:52,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 3191 transitions. [2022-07-19 12:28:52,568 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 3191 transitions. Word has length 204 [2022-07-19 12:28:52,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:28:52,568 INFO L495 AbstractCegarLoop]: Abstraction has 2771 states and 3191 transitions. [2022-07-19 12:28:52,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 2 states have internal predecessors, (138), 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) [2022-07-19 12:28:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3191 transitions. [2022-07-19 12:28:52,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-19 12:28:52,572 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:28:52,572 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:28:52,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 12:28:52,573 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:28:52,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:28:52,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1954499346, now seen corresponding path program 1 times [2022-07-19 12:28:52,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:28:52,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64719467] [2022-07-19 12:28:52,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:52,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:28:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:28:52,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:28:52,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64719467] [2022-07-19 12:28:52,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64719467] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:28:52,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:28:52,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:28:52,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454592598] [2022-07-19 12:28:52,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:28:52,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:28:52,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:28:52,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:28:52,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:28:52,796 INFO L87 Difference]: Start difference. First operand 2771 states and 3191 transitions. Second operand has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 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) [2022-07-19 12:28:55,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:28:55,058 INFO L93 Difference]: Finished difference Result 8252 states and 9471 transitions. [2022-07-19 12:28:55,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:28:55,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 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 278 [2022-07-19 12:28:55,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:28:55,077 INFO L225 Difference]: With dead ends: 8252 [2022-07-19 12:28:55,077 INFO L226 Difference]: Without dead ends: 5184 [2022-07-19 12:28:55,082 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 [2022-07-19 12:28:55,083 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 464 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1716 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 1716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:28:55,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 123 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 1716 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-19 12:28:55,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2022-07-19 12:28:55,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 4574. [2022-07-19 12:28:55,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4574 states, 4573 states have (on average 1.1550404548436475) internal successors, (5282), 4573 states have internal predecessors, (5282), 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) [2022-07-19 12:28:55,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4574 states and 5282 transitions. [2022-07-19 12:28:55,179 INFO L78 Accepts]: Start accepts. Automaton has 4574 states and 5282 transitions. Word has length 278 [2022-07-19 12:28:55,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:28:55,179 INFO L495 AbstractCegarLoop]: Abstraction has 4574 states and 5282 transitions. [2022-07-19 12:28:55,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.5) internal successors, (278), 3 states have internal predecessors, (278), 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) [2022-07-19 12:28:55,180 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 5282 transitions. [2022-07-19 12:28:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-07-19 12:28:55,184 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:28:55,184 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:28:55,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 12:28:55,185 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:28:55,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:28:55,185 INFO L85 PathProgramCache]: Analyzing trace with hash -499462257, now seen corresponding path program 1 times [2022-07-19 12:28:55,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:28:55,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284028267] [2022-07-19 12:28:55,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:55,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:28:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:55,341 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-19 12:28:55,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:28:55,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284028267] [2022-07-19 12:28:55,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284028267] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:28:55,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:28:55,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 12:28:55,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202741519] [2022-07-19 12:28:55,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:28:55,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:28:55,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:28:55,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:28:55,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:28:55,345 INFO L87 Difference]: Start difference. First operand 4574 states and 5282 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 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) [2022-07-19 12:28:56,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:28:56,682 INFO L93 Difference]: Finished difference Result 8847 states and 10259 transitions. [2022-07-19 12:28:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:28:56,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 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 322 [2022-07-19 12:28:56,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:28:56,697 INFO L225 Difference]: With dead ends: 8847 [2022-07-19 12:28:56,698 INFO L226 Difference]: Without dead ends: 4574 [2022-07-19 12:28:56,703 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 [2022-07-19 12:28:56,704 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 12:28:56,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 305 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 12:28:56,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4574 states. [2022-07-19 12:28:56,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4574 to 4574. [2022-07-19 12:28:56,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4574 states, 4573 states have (on average 1.1546031051825936) internal successors, (5280), 4573 states have internal predecessors, (5280), 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) [2022-07-19 12:28:56,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4574 states and 5280 transitions. [2022-07-19 12:28:56,784 INFO L78 Accepts]: Start accepts. Automaton has 4574 states and 5280 transitions. Word has length 322 [2022-07-19 12:28:56,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:28:56,785 INFO L495 AbstractCegarLoop]: Abstraction has 4574 states and 5280 transitions. [2022-07-19 12:28:56,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 2 states have internal predecessors, (280), 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) [2022-07-19 12:28:56,785 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 5280 transitions. [2022-07-19 12:28:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2022-07-19 12:28:56,790 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:28:56,791 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:28:56,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 12:28:56,791 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:28:56,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:28:56,792 INFO L85 PathProgramCache]: Analyzing trace with hash -511012063, now seen corresponding path program 1 times [2022-07-19 12:28:56,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:28:56,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323080596] [2022-07-19 12:28:56,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:56,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:28:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 85 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:28:57,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:28:57,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323080596] [2022-07-19 12:28:57,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323080596] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:28:57,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844527959] [2022-07-19 12:28:57,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:57,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:28:57,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:28:57,140 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) [2022-07-19 12:28:57,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 12:28:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:57,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 12:28:57,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:28:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-07-19 12:28:57,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:28:57,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844527959] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:28:57,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:28:57,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-19 12:28:57,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397429376] [2022-07-19 12:28:57,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:28:57,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:28:57,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:28:57,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:28:57,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:28:57,443 INFO L87 Difference]: Start difference. First operand 4574 states and 5280 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2022-07-19 12:28:58,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:28:58,659 INFO L93 Difference]: Finished difference Result 8848 states and 10260 transitions. [2022-07-19 12:28:58,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:28:58,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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 396 [2022-07-19 12:28:58,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:28:58,676 INFO L225 Difference]: With dead ends: 8848 [2022-07-19 12:28:58,677 INFO L226 Difference]: Without dead ends: 4575 [2022-07-19 12:28:58,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:28:58,683 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 340 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:28:58,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 415 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 12:28:58,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2022-07-19 12:28:58,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 3971. [2022-07-19 12:28:58,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3971 states, 3970 states have (on average 1.1428211586901764) internal successors, (4537), 3970 states have internal predecessors, (4537), 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) [2022-07-19 12:28:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3971 states and 4537 transitions. [2022-07-19 12:28:58,762 INFO L78 Accepts]: Start accepts. Automaton has 3971 states and 4537 transitions. Word has length 396 [2022-07-19 12:28:58,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:28:58,763 INFO L495 AbstractCegarLoop]: Abstraction has 3971 states and 4537 transitions. [2022-07-19 12:28:58,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2022-07-19 12:28:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 4537 transitions. [2022-07-19 12:28:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-19 12:28:58,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:28:58,770 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:28:58,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 12:28:58,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:28:58,996 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:28:58,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:28:58,996 INFO L85 PathProgramCache]: Analyzing trace with hash -914486025, now seen corresponding path program 1 times [2022-07-19 12:28:58,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:28:58,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500326396] [2022-07-19 12:28:58,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:58,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:28:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 85 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:28:59,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:28:59,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500326396] [2022-07-19 12:28:59,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500326396] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:28:59,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634417630] [2022-07-19 12:28:59,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:28:59,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:28:59,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:28:59,289 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) [2022-07-19 12:28:59,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 12:28:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:28:59,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 12:28:59,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:28:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 12:28:59,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:28:59,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634417630] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:28:59,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:28:59,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-19 12:28:59,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662892223] [2022-07-19 12:28:59,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:28:59,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:28:59,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:28:59,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:28:59,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:28:59,634 INFO L87 Difference]: Start difference. First operand 3971 states and 4537 transitions. Second operand has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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) [2022-07-19 12:29:00,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:00,756 INFO L93 Difference]: Finished difference Result 9445 states and 11013 transitions. [2022-07-19 12:29:00,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:00,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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 402 [2022-07-19 12:29:00,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:00,774 INFO L225 Difference]: With dead ends: 9445 [2022-07-19 12:29:00,774 INFO L226 Difference]: Without dead ends: 5775 [2022-07-19 12:29:00,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:29:00,780 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 245 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:00,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 269 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:29:00,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5775 states. [2022-07-19 12:29:00,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5775 to 5769. [2022-07-19 12:29:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5769 states, 5768 states have (on average 1.1191054091539527) internal successors, (6455), 5768 states have internal predecessors, (6455), 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) [2022-07-19 12:29:00,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5769 states to 5769 states and 6455 transitions. [2022-07-19 12:29:00,865 INFO L78 Accepts]: Start accepts. Automaton has 5769 states and 6455 transitions. Word has length 402 [2022-07-19 12:29:00,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:00,865 INFO L495 AbstractCegarLoop]: Abstraction has 5769 states and 6455 transitions. [2022-07-19 12:29:00,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 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) [2022-07-19 12:29:00,867 INFO L276 IsEmpty]: Start isEmpty. Operand 5769 states and 6455 transitions. [2022-07-19 12:29:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-07-19 12:29:00,873 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:00,873 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:00,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-19 12:29:01,093 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,SelfDestructingSolverStorable8 [2022-07-19 12:29:01,094 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:01,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:01,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1007889848, now seen corresponding path program 1 times [2022-07-19 12:29:01,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:01,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825791343] [2022-07-19 12:29:01,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:01,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:01,327 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-19 12:29:01,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:01,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825791343] [2022-07-19 12:29:01,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825791343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:01,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:01,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:01,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623747728] [2022-07-19 12:29:01,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:01,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:29:01,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:01,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:29:01,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:29:01,331 INFO L87 Difference]: Start difference. First operand 5769 states and 6455 transitions. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 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) [2022-07-19 12:29:03,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:03,645 INFO L93 Difference]: Finished difference Result 13347 states and 15010 transitions. [2022-07-19 12:29:03,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:29:03,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 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 458 [2022-07-19 12:29:03,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:03,665 INFO L225 Difference]: With dead ends: 13347 [2022-07-19 12:29:03,665 INFO L226 Difference]: Without dead ends: 7580 [2022-07-19 12:29:03,673 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 [2022-07-19 12:29:03,674 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 432 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 1703 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 1703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:03,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 126 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [407 Valid, 1703 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-19 12:29:03,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7580 states. [2022-07-19 12:29:03,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7580 to 5772. [2022-07-19 12:29:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5772 states, 5771 states have (on average 1.1178305319701958) internal successors, (6451), 5771 states have internal predecessors, (6451), 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) [2022-07-19 12:29:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5772 states to 5772 states and 6451 transitions. [2022-07-19 12:29:03,765 INFO L78 Accepts]: Start accepts. Automaton has 5772 states and 6451 transitions. Word has length 458 [2022-07-19 12:29:03,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:03,766 INFO L495 AbstractCegarLoop]: Abstraction has 5772 states and 6451 transitions. [2022-07-19 12:29:03,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 3 states have internal predecessors, (317), 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) [2022-07-19 12:29:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 5772 states and 6451 transitions. [2022-07-19 12:29:03,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2022-07-19 12:29:03,774 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:03,774 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:03,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 12:29:03,775 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:03,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:03,776 INFO L85 PathProgramCache]: Analyzing trace with hash -113832913, now seen corresponding path program 1 times [2022-07-19 12:29:03,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:03,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291177088] [2022-07-19 12:29:03,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:03,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-19 12:29:04,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:04,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291177088] [2022-07-19 12:29:04,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291177088] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:04,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:04,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:04,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757408718] [2022-07-19 12:29:04,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:04,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:04,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:04,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:04,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:04,013 INFO L87 Difference]: Start difference. First operand 5772 states and 6451 transitions. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2022-07-19 12:29:05,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:05,216 INFO L93 Difference]: Finished difference Result 13043 states and 14831 transitions. [2022-07-19 12:29:05,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:05,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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 496 [2022-07-19 12:29:05,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:05,230 INFO L225 Difference]: With dead ends: 13043 [2022-07-19 12:29:05,230 INFO L226 Difference]: Without dead ends: 7572 [2022-07-19 12:29:05,237 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 [2022-07-19 12:29:05,238 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 249 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:05,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 567 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:29:05,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7572 states. [2022-07-19 12:29:05,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7572 to 7566. [2022-07-19 12:29:05,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7566 states, 7565 states have (on average 1.1068076668869795) internal successors, (8373), 7565 states have internal predecessors, (8373), 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) [2022-07-19 12:29:05,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7566 states to 7566 states and 8373 transitions. [2022-07-19 12:29:05,345 INFO L78 Accepts]: Start accepts. Automaton has 7566 states and 8373 transitions. Word has length 496 [2022-07-19 12:29:05,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:05,346 INFO L495 AbstractCegarLoop]: Abstraction has 7566 states and 8373 transitions. [2022-07-19 12:29:05,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2022-07-19 12:29:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 7566 states and 8373 transitions. [2022-07-19 12:29:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2022-07-19 12:29:05,356 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:05,357 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:05,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 12:29:05,357 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:05,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:05,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1770248904, now seen corresponding path program 1 times [2022-07-19 12:29:05,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:05,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419351913] [2022-07-19 12:29:05,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:05,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-07-19 12:29:05,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:05,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419351913] [2022-07-19 12:29:05,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419351913] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:05,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:05,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:05,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367354475] [2022-07-19 12:29:05,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:05,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:05,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:05,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:05,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:05,576 INFO L87 Difference]: Start difference. First operand 7566 states and 8373 transitions. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2022-07-19 12:29:06,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:06,758 INFO L93 Difference]: Finished difference Result 17821 states and 19987 transitions. [2022-07-19 12:29:06,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:06,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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 555 [2022-07-19 12:29:06,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:06,776 INFO L225 Difference]: With dead ends: 17821 [2022-07-19 12:29:06,776 INFO L226 Difference]: Without dead ends: 9958 [2022-07-19 12:29:06,784 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 [2022-07-19 12:29:06,785 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 249 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:06,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 304 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:29:06,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9958 states. [2022-07-19 12:29:06,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9958 to 6364. [2022-07-19 12:29:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6364 states, 6363 states have (on average 1.0936665095080937) internal successors, (6959), 6363 states have internal predecessors, (6959), 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) [2022-07-19 12:29:06,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6364 states to 6364 states and 6959 transitions. [2022-07-19 12:29:06,892 INFO L78 Accepts]: Start accepts. Automaton has 6364 states and 6959 transitions. Word has length 555 [2022-07-19 12:29:06,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:06,892 INFO L495 AbstractCegarLoop]: Abstraction has 6364 states and 6959 transitions. [2022-07-19 12:29:06,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2022-07-19 12:29:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 6364 states and 6959 transitions. [2022-07-19 12:29:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-07-19 12:29:06,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:06,900 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:06,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-19 12:29:06,900 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:06,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:06,902 INFO L85 PathProgramCache]: Analyzing trace with hash -910889367, now seen corresponding path program 1 times [2022-07-19 12:29:06,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:06,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453678606] [2022-07-19 12:29:06,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:06,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2022-07-19 12:29:07,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:07,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453678606] [2022-07-19 12:29:07,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453678606] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:07,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:07,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:07,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397271721] [2022-07-19 12:29:07,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:07,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:07,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:07,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:07,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:07,160 INFO L87 Difference]: Start difference. First operand 6364 states and 6959 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2022-07-19 12:29:08,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:08,399 INFO L93 Difference]: Finished difference Result 16924 states and 18582 transitions. [2022-07-19 12:29:08,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:08,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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 612 [2022-07-19 12:29:08,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:08,417 INFO L225 Difference]: With dead ends: 16924 [2022-07-19 12:29:08,417 INFO L226 Difference]: Without dead ends: 10861 [2022-07-19 12:29:08,424 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 [2022-07-19 12:29:08,427 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 253 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:08,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 571 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:29:08,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10861 states. [2022-07-19 12:29:08,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10861 to 10852. [2022-07-19 12:29:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10852 states, 10851 states have (on average 1.081467145885172) internal successors, (11735), 10851 states have internal predecessors, (11735), 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) [2022-07-19 12:29:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10852 states to 10852 states and 11735 transitions. [2022-07-19 12:29:08,564 INFO L78 Accepts]: Start accepts. Automaton has 10852 states and 11735 transitions. Word has length 612 [2022-07-19 12:29:08,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:08,565 INFO L495 AbstractCegarLoop]: Abstraction has 10852 states and 11735 transitions. [2022-07-19 12:29:08,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2022-07-19 12:29:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 10852 states and 11735 transitions. [2022-07-19 12:29:08,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2022-07-19 12:29:08,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:08,576 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:08,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-19 12:29:08,577 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:08,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:08,577 INFO L85 PathProgramCache]: Analyzing trace with hash -319513019, now seen corresponding path program 1 times [2022-07-19 12:29:08,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:08,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264619320] [2022-07-19 12:29:08,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:08,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2022-07-19 12:29:08,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:08,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264619320] [2022-07-19 12:29:08,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264619320] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:08,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:08,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:08,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783678025] [2022-07-19 12:29:08,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:08,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:08,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:08,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:08,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:08,825 INFO L87 Difference]: Start difference. First operand 10852 states and 11735 transitions. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2022-07-19 12:29:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:10,038 INFO L93 Difference]: Finished difference Result 23794 states and 25820 transitions. [2022-07-19 12:29:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:10,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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 619 [2022-07-19 12:29:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:10,057 INFO L225 Difference]: With dead ends: 23794 [2022-07-19 12:29:10,058 INFO L226 Difference]: Without dead ends: 13243 [2022-07-19 12:29:10,069 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 [2022-07-19 12:29:10,070 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 301 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:10,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 421 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:29:10,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13243 states. [2022-07-19 12:29:10,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13243 to 11150. [2022-07-19 12:29:10,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11150 states, 11149 states have (on average 1.0841331061081712) internal successors, (12087), 11149 states have internal predecessors, (12087), 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) [2022-07-19 12:29:10,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11150 states to 11150 states and 12087 transitions. [2022-07-19 12:29:10,216 INFO L78 Accepts]: Start accepts. Automaton has 11150 states and 12087 transitions. Word has length 619 [2022-07-19 12:29:10,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:10,217 INFO L495 AbstractCegarLoop]: Abstraction has 11150 states and 12087 transitions. [2022-07-19 12:29:10,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2022-07-19 12:29:10,217 INFO L276 IsEmpty]: Start isEmpty. Operand 11150 states and 12087 transitions. [2022-07-19 12:29:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2022-07-19 12:29:10,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:10,226 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:10,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-19 12:29:10,227 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:10,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:10,228 INFO L85 PathProgramCache]: Analyzing trace with hash -618040794, now seen corresponding path program 1 times [2022-07-19 12:29:10,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:10,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126528424] [2022-07-19 12:29:10,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:10,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-19 12:29:10,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:10,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126528424] [2022-07-19 12:29:10,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126528424] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:10,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:10,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:10,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692739549] [2022-07-19 12:29:10,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:10,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:10,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:10,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:10,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:10,457 INFO L87 Difference]: Start difference. First operand 11150 states and 12087 transitions. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2022-07-19 12:29:11,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:11,504 INFO L93 Difference]: Finished difference Result 22296 states and 24174 transitions. [2022-07-19 12:29:11,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:11,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 620 [2022-07-19 12:29:11,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:11,515 INFO L225 Difference]: With dead ends: 22296 [2022-07-19 12:29:11,516 INFO L226 Difference]: Without dead ends: 11447 [2022-07-19 12:29:11,522 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 [2022-07-19 12:29:11,523 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 440 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:11,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 70 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 12:29:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11447 states. [2022-07-19 12:29:11,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11447 to 11148. [2022-07-19 12:29:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11148 states, 11147 states have (on average 1.0839687808378935) internal successors, (12083), 11147 states have internal predecessors, (12083), 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) [2022-07-19 12:29:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11148 states to 11148 states and 12083 transitions. [2022-07-19 12:29:11,638 INFO L78 Accepts]: Start accepts. Automaton has 11148 states and 12083 transitions. Word has length 620 [2022-07-19 12:29:11,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:11,639 INFO L495 AbstractCegarLoop]: Abstraction has 11148 states and 12083 transitions. [2022-07-19 12:29:11,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2022-07-19 12:29:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 11148 states and 12083 transitions. [2022-07-19 12:29:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 643 [2022-07-19 12:29:11,647 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:11,648 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-19 12:29:11,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-19 12:29:11,648 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:11,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:11,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1433195426, now seen corresponding path program 1 times [2022-07-19 12:29:11,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:11,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231572531] [2022-07-19 12:29:11,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:11,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2022-07-19 12:29:11,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:11,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231572531] [2022-07-19 12:29:11,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231572531] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:11,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:11,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:11,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335370206] [2022-07-19 12:29:11,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:11,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:11,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:11,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:11,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:11,886 INFO L87 Difference]: Start difference. First operand 11148 states and 12083 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2022-07-19 12:29:12,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:12,965 INFO L93 Difference]: Finished difference Result 26777 states and 29123 transitions. [2022-07-19 12:29:12,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:12,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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 642 [2022-07-19 12:29:12,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:12,983 INFO L225 Difference]: With dead ends: 26777 [2022-07-19 12:29:12,983 INFO L226 Difference]: Without dead ends: 15930 [2022-07-19 12:29:12,991 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 [2022-07-19 12:29:12,993 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 296 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:12,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 204 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 12:29:13,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15930 states. [2022-07-19 12:29:13,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15930 to 13239. [2022-07-19 12:29:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13239 states, 13238 states have (on average 1.0769753739235535) internal successors, (14257), 13238 states have internal predecessors, (14257), 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) [2022-07-19 12:29:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13239 states to 13239 states and 14257 transitions. [2022-07-19 12:29:13,159 INFO L78 Accepts]: Start accepts. Automaton has 13239 states and 14257 transitions. Word has length 642 [2022-07-19 12:29:13,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:13,160 INFO L495 AbstractCegarLoop]: Abstraction has 13239 states and 14257 transitions. [2022-07-19 12:29:13,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2022-07-19 12:29:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 13239 states and 14257 transitions. [2022-07-19 12:29:13,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2022-07-19 12:29:13,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:13,171 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:13,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-19 12:29:13,171 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:13,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:13,172 INFO L85 PathProgramCache]: Analyzing trace with hash 954069855, now seen corresponding path program 1 times [2022-07-19 12:29:13,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:13,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509544496] [2022-07-19 12:29:13,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:13,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-07-19 12:29:13,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:13,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509544496] [2022-07-19 12:29:13,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509544496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:13,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:13,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:13,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678187873] [2022-07-19 12:29:13,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:13,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:13,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:13,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:13,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:13,459 INFO L87 Difference]: Start difference. First operand 13239 states and 14257 transitions. Second operand has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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) [2022-07-19 12:29:14,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:14,480 INFO L93 Difference]: Finished difference Result 26180 states and 28215 transitions. [2022-07-19 12:29:14,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:14,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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 659 [2022-07-19 12:29:14,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:14,495 INFO L225 Difference]: With dead ends: 26180 [2022-07-19 12:29:14,495 INFO L226 Difference]: Without dead ends: 13242 [2022-07-19 12:29:14,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:14,505 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 295 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:14,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 122 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-19 12:29:14,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13242 states. [2022-07-19 12:29:14,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13242 to 13239. [2022-07-19 12:29:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13239 states, 13238 states have (on average 1.0683638011784258) internal successors, (14143), 13238 states have internal predecessors, (14143), 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) [2022-07-19 12:29:14,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13239 states to 13239 states and 14143 transitions. [2022-07-19 12:29:14,687 INFO L78 Accepts]: Start accepts. Automaton has 13239 states and 14143 transitions. Word has length 659 [2022-07-19 12:29:14,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:14,688 INFO L495 AbstractCegarLoop]: Abstraction has 13239 states and 14143 transitions. [2022-07-19 12:29:14,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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) [2022-07-19 12:29:14,688 INFO L276 IsEmpty]: Start isEmpty. Operand 13239 states and 14143 transitions. [2022-07-19 12:29:14,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2022-07-19 12:29:14,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:14,698 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:14,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 12:29:14,699 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:14,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:14,699 INFO L85 PathProgramCache]: Analyzing trace with hash 335196122, now seen corresponding path program 1 times [2022-07-19 12:29:14,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:14,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63978083] [2022-07-19 12:29:14,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:14,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:14,945 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-07-19 12:29:14,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:14,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63978083] [2022-07-19 12:29:14,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63978083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:14,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:14,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:14,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144827755] [2022-07-19 12:29:14,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:14,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:14,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:14,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:14,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:14,948 INFO L87 Difference]: Start difference. First operand 13239 states and 14143 transitions. Second operand has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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) [2022-07-19 12:29:16,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:16,160 INFO L93 Difference]: Finished difference Result 30385 states and 32488 transitions. [2022-07-19 12:29:16,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:16,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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 661 [2022-07-19 12:29:16,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:16,230 INFO L225 Difference]: With dead ends: 30385 [2022-07-19 12:29:16,230 INFO L226 Difference]: Without dead ends: 17447 [2022-07-19 12:29:16,236 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 [2022-07-19 12:29:16,237 INFO L413 NwaCegarLoop]: 528 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:16,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 566 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:29:16,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17447 states. [2022-07-19 12:29:16,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17447 to 16838. [2022-07-19 12:29:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16838 states, 16837 states have (on average 1.0626002256934133) internal successors, (17891), 16837 states have internal predecessors, (17891), 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) [2022-07-19 12:29:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16838 states to 16838 states and 17891 transitions. [2022-07-19 12:29:16,434 INFO L78 Accepts]: Start accepts. Automaton has 16838 states and 17891 transitions. Word has length 661 [2022-07-19 12:29:16,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:16,435 INFO L495 AbstractCegarLoop]: Abstraction has 16838 states and 17891 transitions. [2022-07-19 12:29:16,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 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) [2022-07-19 12:29:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 16838 states and 17891 transitions. [2022-07-19 12:29:16,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2022-07-19 12:29:16,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:16,451 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:16,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-19 12:29:16,452 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:16,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:16,452 INFO L85 PathProgramCache]: Analyzing trace with hash 308478291, now seen corresponding path program 1 times [2022-07-19 12:29:16,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:16,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116386058] [2022-07-19 12:29:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:16,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 485 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-07-19 12:29:16,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:16,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116386058] [2022-07-19 12:29:16,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116386058] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:16,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:16,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:16,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45723858] [2022-07-19 12:29:16,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:16,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:16,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:16,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:16,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:16,777 INFO L87 Difference]: Start difference. First operand 16838 states and 17891 transitions. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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) [2022-07-19 12:29:17,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:17,985 INFO L93 Difference]: Finished difference Result 35767 states and 38196 transitions. [2022-07-19 12:29:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:17,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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 677 [2022-07-19 12:29:17,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:18,002 INFO L225 Difference]: With dead ends: 35767 [2022-07-19 12:29:18,003 INFO L226 Difference]: Without dead ends: 19230 [2022-07-19 12:29:18,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:18,010 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 260 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:18,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 140 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-19 12:29:18,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19230 states. [2022-07-19 12:29:18,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19230 to 19230. [2022-07-19 12:29:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19230 states, 19229 states have (on average 1.062613760465963) internal successors, (20433), 19229 states have internal predecessors, (20433), 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) [2022-07-19 12:29:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19230 states to 19230 states and 20433 transitions. [2022-07-19 12:29:18,234 INFO L78 Accepts]: Start accepts. Automaton has 19230 states and 20433 transitions. Word has length 677 [2022-07-19 12:29:18,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:18,235 INFO L495 AbstractCegarLoop]: Abstraction has 19230 states and 20433 transitions. [2022-07-19 12:29:18,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 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) [2022-07-19 12:29:18,235 INFO L276 IsEmpty]: Start isEmpty. Operand 19230 states and 20433 transitions. [2022-07-19 12:29:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2022-07-19 12:29:18,248 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:18,249 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:18,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-19 12:29:18,249 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:18,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:18,250 INFO L85 PathProgramCache]: Analyzing trace with hash 151347988, now seen corresponding path program 1 times [2022-07-19 12:29:18,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:18,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495421837] [2022-07-19 12:29:18,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:18,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-07-19 12:29:18,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:18,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495421837] [2022-07-19 12:29:18,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495421837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:18,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:18,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:29:18,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787057637] [2022-07-19 12:29:18,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:18,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:29:18,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:18,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:29:18,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:29:18,546 INFO L87 Difference]: Start difference. First operand 19230 states and 20433 transitions. Second operand has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 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) [2022-07-19 12:29:20,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:20,773 INFO L93 Difference]: Finished difference Result 47450 states and 50242 transitions. [2022-07-19 12:29:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:29:20,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 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 697 [2022-07-19 12:29:20,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:20,805 INFO L225 Difference]: With dead ends: 47450 [2022-07-19 12:29:20,805 INFO L226 Difference]: Without dead ends: 27923 [2022-07-19 12:29:20,820 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 [2022-07-19 12:29:20,821 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 554 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1652 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:20,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 121 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1652 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-19 12:29:20,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27923 states. [2022-07-19 12:29:21,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27923 to 19230. [2022-07-19 12:29:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19230 states, 19229 states have (on average 1.062613760465963) internal successors, (20433), 19229 states have internal predecessors, (20433), 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) [2022-07-19 12:29:21,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19230 states to 19230 states and 20433 transitions. [2022-07-19 12:29:21,051 INFO L78 Accepts]: Start accepts. Automaton has 19230 states and 20433 transitions. Word has length 697 [2022-07-19 12:29:21,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:21,052 INFO L495 AbstractCegarLoop]: Abstraction has 19230 states and 20433 transitions. [2022-07-19 12:29:21,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.25) internal successors, (461), 4 states have internal predecessors, (461), 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) [2022-07-19 12:29:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 19230 states and 20433 transitions. [2022-07-19 12:29:21,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2022-07-19 12:29:21,066 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:21,066 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:21,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-19 12:29:21,067 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:21,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:21,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1185725472, now seen corresponding path program 1 times [2022-07-19 12:29:21,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:21,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967807792] [2022-07-19 12:29:21,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:21,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-07-19 12:29:21,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:21,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967807792] [2022-07-19 12:29:21,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967807792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:21,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:21,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:21,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843257217] [2022-07-19 12:29:21,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:21,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:21,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:21,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:21,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:21,385 INFO L87 Difference]: Start difference. First operand 19230 states and 20433 transitions. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 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) [2022-07-19 12:29:22,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:22,613 INFO L93 Difference]: Finished difference Result 40251 states and 42774 transitions. [2022-07-19 12:29:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:22,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 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 715 [2022-07-19 12:29:22,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:22,637 INFO L225 Difference]: With dead ends: 40251 [2022-07-19 12:29:22,637 INFO L226 Difference]: Without dead ends: 21322 [2022-07-19 12:29:22,649 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 [2022-07-19 12:29:22,649 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 219 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:22,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 152 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:29:22,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21322 states. [2022-07-19 12:29:22,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21322 to 20126. [2022-07-19 12:29:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20126 states, 20125 states have (on average 1.0575900621118013) internal successors, (21284), 20125 states have internal predecessors, (21284), 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) [2022-07-19 12:29:22,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20126 states to 20126 states and 21284 transitions. [2022-07-19 12:29:22,843 INFO L78 Accepts]: Start accepts. Automaton has 20126 states and 21284 transitions. Word has length 715 [2022-07-19 12:29:22,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:22,843 INFO L495 AbstractCegarLoop]: Abstraction has 20126 states and 21284 transitions. [2022-07-19 12:29:22,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 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) [2022-07-19 12:29:22,843 INFO L276 IsEmpty]: Start isEmpty. Operand 20126 states and 21284 transitions. [2022-07-19 12:29:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2022-07-19 12:29:22,859 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:22,860 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:22,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-19 12:29:22,860 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:22,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:22,861 INFO L85 PathProgramCache]: Analyzing trace with hash -413963863, now seen corresponding path program 1 times [2022-07-19 12:29:22,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:22,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053169596] [2022-07-19 12:29:22,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:22,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:23,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 1046 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-19 12:29:23,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:23,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053169596] [2022-07-19 12:29:23,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053169596] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:23,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:23,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:29:23,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331182373] [2022-07-19 12:29:23,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:23,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:29:23,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:23,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:29:23,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:29:23,132 INFO L87 Difference]: Start difference. First operand 20126 states and 21284 transitions. Second operand has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 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) [2022-07-19 12:29:24,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:24,902 INFO L93 Difference]: Finished difference Result 45929 states and 48524 transitions. [2022-07-19 12:29:24,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:29:24,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 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 827 [2022-07-19 12:29:24,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:24,926 INFO L225 Difference]: With dead ends: 45929 [2022-07-19 12:29:24,926 INFO L226 Difference]: Without dead ends: 20423 [2022-07-19 12:29:24,940 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 [2022-07-19 12:29:24,941 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 579 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 2056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:24,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 434 Invalid, 2056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1812 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 12:29:24,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20423 states. [2022-07-19 12:29:25,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20423 to 19523. [2022-07-19 12:29:25,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19523 states, 19522 states have (on average 1.038366970597275) internal successors, (20271), 19522 states have internal predecessors, (20271), 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) [2022-07-19 12:29:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19523 states to 19523 states and 20271 transitions. [2022-07-19 12:29:25,131 INFO L78 Accepts]: Start accepts. Automaton has 19523 states and 20271 transitions. Word has length 827 [2022-07-19 12:29:25,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:25,132 INFO L495 AbstractCegarLoop]: Abstraction has 19523 states and 20271 transitions. [2022-07-19 12:29:25,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 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) [2022-07-19 12:29:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 19523 states and 20271 transitions. [2022-07-19 12:29:25,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2022-07-19 12:29:25,146 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:25,146 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:25,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-19 12:29:25,147 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:25,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:25,147 INFO L85 PathProgramCache]: Analyzing trace with hash -2074746964, now seen corresponding path program 1 times [2022-07-19 12:29:25,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:25,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128348757] [2022-07-19 12:29:25,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:25,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 726 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2022-07-19 12:29:25,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:25,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128348757] [2022-07-19 12:29:25,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128348757] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:25,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:25,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:25,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063547280] [2022-07-19 12:29:25,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:25,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:25,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:25,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:25,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:25,470 INFO L87 Difference]: Start difference. First operand 19523 states and 20271 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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) [2022-07-19 12:29:26,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:26,338 INFO L93 Difference]: Finished difference Result 40537 states and 42078 transitions. [2022-07-19 12:29:26,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:26,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 840 [2022-07-19 12:29:26,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:26,361 INFO L225 Difference]: With dead ends: 40537 [2022-07-19 12:29:26,362 INFO L226 Difference]: Without dead ends: 21315 [2022-07-19 12:29:26,374 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 [2022-07-19 12:29:26,375 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 337 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:26,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 457 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:29:26,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21315 states. [2022-07-19 12:29:26,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21315 to 16527. [2022-07-19 12:29:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16527 states, 16526 states have (on average 1.03679051192061) internal successors, (17134), 16526 states have internal predecessors, (17134), 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) [2022-07-19 12:29:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16527 states to 16527 states and 17134 transitions. [2022-07-19 12:29:26,568 INFO L78 Accepts]: Start accepts. Automaton has 16527 states and 17134 transitions. Word has length 840 [2022-07-19 12:29:26,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:26,568 INFO L495 AbstractCegarLoop]: Abstraction has 16527 states and 17134 transitions. [2022-07-19 12:29:26,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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) [2022-07-19 12:29:26,569 INFO L276 IsEmpty]: Start isEmpty. Operand 16527 states and 17134 transitions. [2022-07-19 12:29:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 876 [2022-07-19 12:29:26,579 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:26,579 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:26,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-19 12:29:26,580 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:26,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:26,580 INFO L85 PathProgramCache]: Analyzing trace with hash -191244818, now seen corresponding path program 1 times [2022-07-19 12:29:26,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:26,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31293343] [2022-07-19 12:29:26,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1436 backedges. 718 proven. 0 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2022-07-19 12:29:26,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:26,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31293343] [2022-07-19 12:29:26,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31293343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:26,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:26,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-19 12:29:26,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516411887] [2022-07-19 12:29:26,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:26,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:29:26,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:26,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:29:26,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:29:26,939 INFO L87 Difference]: Start difference. First operand 16527 states and 17134 transitions. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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) [2022-07-19 12:29:28,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:28,433 INFO L93 Difference]: Finished difference Result 39945 states and 41365 transitions. [2022-07-19 12:29:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:29:28,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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 875 [2022-07-19 12:29:28,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:28,458 INFO L225 Difference]: With dead ends: 39945 [2022-07-19 12:29:28,458 INFO L226 Difference]: Without dead ends: 23121 [2022-07-19 12:29:28,470 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 [2022-07-19 12:29:28,471 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 529 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:28,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 115 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-19 12:29:28,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23121 states. [2022-07-19 12:29:28,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23121 to 20719. [2022-07-19 12:29:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20719 states, 20718 states have (on average 1.035090259677575) internal successors, (21445), 20718 states have internal predecessors, (21445), 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) [2022-07-19 12:29:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20719 states to 20719 states and 21445 transitions. [2022-07-19 12:29:28,701 INFO L78 Accepts]: Start accepts. Automaton has 20719 states and 21445 transitions. Word has length 875 [2022-07-19 12:29:28,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:28,701 INFO L495 AbstractCegarLoop]: Abstraction has 20719 states and 21445 transitions. [2022-07-19 12:29:28,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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) [2022-07-19 12:29:28,701 INFO L276 IsEmpty]: Start isEmpty. Operand 20719 states and 21445 transitions. [2022-07-19 12:29:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2022-07-19 12:29:28,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:28,713 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:28,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-19 12:29:28,713 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:28,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:28,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1057335585, now seen corresponding path program 1 times [2022-07-19 12:29:28,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:28,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547469743] [2022-07-19 12:29:28,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:28,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 1086 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-07-19 12:29:29,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:29,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547469743] [2022-07-19 12:29:29,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547469743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:29,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:29,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:29,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983961321] [2022-07-19 12:29:29,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:29,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:29,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:29,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:29,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:29,086 INFO L87 Difference]: Start difference. First operand 20719 states and 21445 transitions. Second operand has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2022-07-19 12:29:29,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:29,989 INFO L93 Difference]: Finished difference Result 41144 states and 42596 transitions. [2022-07-19 12:29:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:29,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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 891 [2022-07-19 12:29:29,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:30,012 INFO L225 Difference]: With dead ends: 41144 [2022-07-19 12:29:30,012 INFO L226 Difference]: Without dead ends: 20726 [2022-07-19 12:29:30,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:30,025 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 205 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:30,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 124 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:29:30,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20726 states. [2022-07-19 12:29:30,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20726 to 20719. [2022-07-19 12:29:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20719 states, 20718 states have (on average 1.0306979438169708) internal successors, (21354), 20718 states have internal predecessors, (21354), 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) [2022-07-19 12:29:30,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20719 states to 20719 states and 21354 transitions. [2022-07-19 12:29:30,240 INFO L78 Accepts]: Start accepts. Automaton has 20719 states and 21354 transitions. Word has length 891 [2022-07-19 12:29:30,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:30,240 INFO L495 AbstractCegarLoop]: Abstraction has 20719 states and 21354 transitions. [2022-07-19 12:29:30,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2022-07-19 12:29:30,241 INFO L276 IsEmpty]: Start isEmpty. Operand 20719 states and 21354 transitions. [2022-07-19 12:29:30,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 911 [2022-07-19 12:29:30,252 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:30,252 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:30,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-19 12:29:30,253 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:30,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:30,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1673407389, now seen corresponding path program 1 times [2022-07-19 12:29:30,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:30,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553704408] [2022-07-19 12:29:30,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:30,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 1024 proven. 143 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-07-19 12:29:30,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:30,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553704408] [2022-07-19 12:29:30,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553704408] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:29:30,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687981791] [2022-07-19 12:29:30,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:30,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:30,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:29:30,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:29:30,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 12:29:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:30,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:29:30,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:29:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1544 backedges. 737 proven. 0 refuted. 0 times theorem prover too weak. 807 trivial. 0 not checked. [2022-07-19 12:29:31,475 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:29:31,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687981791] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:31,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:29:31,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2022-07-19 12:29:31,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342403374] [2022-07-19 12:29:31,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:31,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:29:31,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:31,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:29:31,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:29:31,478 INFO L87 Difference]: Start difference. First operand 20719 states and 21354 transitions. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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) [2022-07-19 12:29:33,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:33,258 INFO L93 Difference]: Finished difference Result 47432 states and 48872 transitions. [2022-07-19 12:29:33,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:29:33,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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 910 [2022-07-19 12:29:33,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:33,293 INFO L225 Difference]: With dead ends: 47432 [2022-07-19 12:29:33,293 INFO L226 Difference]: Without dead ends: 26416 [2022-07-19 12:29:33,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 914 GetRequests, 910 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:29:33,309 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 536 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:33,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 115 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 12:29:33,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26416 states. [2022-07-19 12:29:33,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26416 to 19523. [2022-07-19 12:29:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19523 states, 19522 states have (on average 1.0312467984837619) internal successors, (20132), 19522 states have internal predecessors, (20132), 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) [2022-07-19 12:29:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19523 states to 19523 states and 20132 transitions. [2022-07-19 12:29:33,558 INFO L78 Accepts]: Start accepts. Automaton has 19523 states and 20132 transitions. Word has length 910 [2022-07-19 12:29:33,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:33,559 INFO L495 AbstractCegarLoop]: Abstraction has 19523 states and 20132 transitions. [2022-07-19 12:29:33,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 states have internal predecessors, (462), 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) [2022-07-19 12:29:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 19523 states and 20132 transitions. [2022-07-19 12:29:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 937 [2022-07-19 12:29:33,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:33,573 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:33,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 12:29:33,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:33,784 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:33,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:33,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2139314223, now seen corresponding path program 1 times [2022-07-19 12:29:33,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:33,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476543232] [2022-07-19 12:29:33,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:33,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 974 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2022-07-19 12:29:34,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:34,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476543232] [2022-07-19 12:29:34,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476543232] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:34,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:34,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:34,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227656009] [2022-07-19 12:29:34,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:34,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:34,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:34,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:34,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:34,139 INFO L87 Difference]: Start difference. First operand 19523 states and 20132 transitions. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2022-07-19 12:29:34,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:34,973 INFO L93 Difference]: Finished difference Result 35422 states and 36461 transitions. [2022-07-19 12:29:34,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:34,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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 936 [2022-07-19 12:29:34,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:34,990 INFO L225 Difference]: With dead ends: 35422 [2022-07-19 12:29:34,990 INFO L226 Difference]: Without dead ends: 16200 [2022-07-19 12:29:35,001 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 [2022-07-19 12:29:35,002 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 323 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:35,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 68 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:29:35,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16200 states. [2022-07-19 12:29:35,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16200 to 14397. [2022-07-19 12:29:35,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14397 states, 14396 states have (on average 1.0254237288135593) internal successors, (14762), 14396 states have internal predecessors, (14762), 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) [2022-07-19 12:29:35,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14397 states to 14397 states and 14762 transitions. [2022-07-19 12:29:35,162 INFO L78 Accepts]: Start accepts. Automaton has 14397 states and 14762 transitions. Word has length 936 [2022-07-19 12:29:35,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:35,162 INFO L495 AbstractCegarLoop]: Abstraction has 14397 states and 14762 transitions. [2022-07-19 12:29:35,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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) [2022-07-19 12:29:35,162 INFO L276 IsEmpty]: Start isEmpty. Operand 14397 states and 14762 transitions. [2022-07-19 12:29:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2022-07-19 12:29:35,177 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:35,178 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:35,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-19 12:29:35,178 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:35,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:35,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1581881062, now seen corresponding path program 1 times [2022-07-19 12:29:35,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:35,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538804666] [2022-07-19 12:29:35,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:35,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 1017 proven. 105 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-07-19 12:29:35,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:35,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538804666] [2022-07-19 12:29:35,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538804666] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:29:35,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001209022] [2022-07-19 12:29:35,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:35,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:35,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:29:35,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:29:35,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 12:29:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:35,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 1166 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:29:35,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:29:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 633 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2022-07-19 12:29:36,154 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:29:36,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001209022] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:36,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:29:36,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2022-07-19 12:29:36,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407554048] [2022-07-19 12:29:36,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:36,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:29:36,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:36,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:29:36,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:29:36,157 INFO L87 Difference]: Start difference. First operand 14397 states and 14762 transitions. Second operand has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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) [2022-07-19 12:29:37,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:37,402 INFO L93 Difference]: Finished difference Result 36281 states and 37204 transitions. [2022-07-19 12:29:37,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:29:37,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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 993 [2022-07-19 12:29:37,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:37,425 INFO L225 Difference]: With dead ends: 36281 [2022-07-19 12:29:37,425 INFO L226 Difference]: Without dead ends: 21886 [2022-07-19 12:29:37,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 997 GetRequests, 993 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:29:37,436 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 520 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:37,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 63 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:29:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21886 states. [2022-07-19 12:29:37,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21886 to 17090. [2022-07-19 12:29:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17090 states, 17089 states have (on average 1.0255134882087893) internal successors, (17525), 17089 states have internal predecessors, (17525), 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) [2022-07-19 12:29:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17090 states to 17090 states and 17525 transitions. [2022-07-19 12:29:37,645 INFO L78 Accepts]: Start accepts. Automaton has 17090 states and 17525 transitions. Word has length 993 [2022-07-19 12:29:37,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:37,646 INFO L495 AbstractCegarLoop]: Abstraction has 17090 states and 17525 transitions. [2022-07-19 12:29:37,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 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) [2022-07-19 12:29:37,646 INFO L276 IsEmpty]: Start isEmpty. Operand 17090 states and 17525 transitions. [2022-07-19 12:29:37,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1032 [2022-07-19 12:29:37,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:37,659 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:37,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-19 12:29:37,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-07-19 12:29:37,860 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:37,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:37,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1904839539, now seen corresponding path program 1 times [2022-07-19 12:29:37,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:37,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049931655] [2022-07-19 12:29:37,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:37,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:38,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 655 proven. 707 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2022-07-19 12:29:38,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:38,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049931655] [2022-07-19 12:29:38,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049931655] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:29:38,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027368472] [2022-07-19 12:29:38,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:38,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:29:38,424 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:29:38,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 12:29:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:38,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 12:29:38,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:29:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 1093 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2022-07-19 12:29:39,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:29:39,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027368472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:39,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:29:39,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-07-19 12:29:39,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403756828] [2022-07-19 12:29:39,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:39,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:39,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:39,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:39,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:29:39,244 INFO L87 Difference]: Start difference. First operand 17090 states and 17525 transitions. Second operand has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 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) [2022-07-19 12:29:40,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:40,001 INFO L93 Difference]: Finished difference Result 33879 states and 34747 transitions. [2022-07-19 12:29:40,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:40,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 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 1031 [2022-07-19 12:29:40,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:40,019 INFO L225 Difference]: With dead ends: 33879 [2022-07-19 12:29:40,019 INFO L226 Difference]: Without dead ends: 17090 [2022-07-19 12:29:40,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1036 GetRequests, 1031 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:29:40,029 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 119 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:40,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 408 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:29:40,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17090 states. [2022-07-19 12:29:40,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17090 to 17090. [2022-07-19 12:29:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17090 states, 17089 states have (on average 1.0185499444086838) internal successors, (17406), 17089 states have internal predecessors, (17406), 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) [2022-07-19 12:29:40,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17090 states to 17090 states and 17406 transitions. [2022-07-19 12:29:40,212 INFO L78 Accepts]: Start accepts. Automaton has 17090 states and 17406 transitions. Word has length 1031 [2022-07-19 12:29:40,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:40,213 INFO L495 AbstractCegarLoop]: Abstraction has 17090 states and 17406 transitions. [2022-07-19 12:29:40,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 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) [2022-07-19 12:29:40,213 INFO L276 IsEmpty]: Start isEmpty. Operand 17090 states and 17406 transitions. [2022-07-19 12:29:40,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2022-07-19 12:29:40,225 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:40,226 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:40,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 12:29:40,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-19 12:29:40,427 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:40,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:40,427 INFO L85 PathProgramCache]: Analyzing trace with hash -312954913, now seen corresponding path program 1 times [2022-07-19 12:29:40,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:40,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114473502] [2022-07-19 12:29:40,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:40,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1802 backedges. 1110 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2022-07-19 12:29:40,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:40,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114473502] [2022-07-19 12:29:40,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114473502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:40,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:40,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:40,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327119079] [2022-07-19 12:29:40,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:40,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:40,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:40,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:40,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:40,774 INFO L87 Difference]: Start difference. First operand 17090 states and 17406 transitions. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 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) [2022-07-19 12:29:41,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:41,530 INFO L93 Difference]: Finished difference Result 34476 states and 35120 transitions. [2022-07-19 12:29:41,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:41,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 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 1060 [2022-07-19 12:29:41,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:41,547 INFO L225 Difference]: With dead ends: 34476 [2022-07-19 12:29:41,547 INFO L226 Difference]: Without dead ends: 17687 [2022-07-19 12:29:41,556 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 [2022-07-19 12:29:41,556 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 310 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 681 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:41,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 405 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 681 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-19 12:29:41,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17687 states. [2022-07-19 12:29:41,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17687 to 17089. [2022-07-19 12:29:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17089 states, 17088 states have (on average 1.018492509363296) internal successors, (17404), 17088 states have internal predecessors, (17404), 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) [2022-07-19 12:29:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17089 states to 17089 states and 17404 transitions. [2022-07-19 12:29:41,726 INFO L78 Accepts]: Start accepts. Automaton has 17089 states and 17404 transitions. Word has length 1060 [2022-07-19 12:29:41,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:41,727 INFO L495 AbstractCegarLoop]: Abstraction has 17089 states and 17404 transitions. [2022-07-19 12:29:41,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 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) [2022-07-19 12:29:41,727 INFO L276 IsEmpty]: Start isEmpty. Operand 17089 states and 17404 transitions. [2022-07-19 12:29:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1076 [2022-07-19 12:29:41,742 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:41,743 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:41,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-19 12:29:41,743 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:41,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:41,744 INFO L85 PathProgramCache]: Analyzing trace with hash -289523152, now seen corresponding path program 1 times [2022-07-19 12:29:41,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:41,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082994206] [2022-07-19 12:29:41,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:41,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:42,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2014 backedges. 1329 proven. 0 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2022-07-19 12:29:42,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:42,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082994206] [2022-07-19 12:29:42,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082994206] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:42,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 12:29:42,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 12:29:42,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070420428] [2022-07-19 12:29:42,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:42,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:42,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:42,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:42,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 12:29:42,068 INFO L87 Difference]: Start difference. First operand 17089 states and 17404 transitions. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2022-07-19 12:29:43,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:43,085 INFO L93 Difference]: Finished difference Result 40173 states and 40941 transitions. [2022-07-19 12:29:43,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:43,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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 1075 [2022-07-19 12:29:43,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:43,107 INFO L225 Difference]: With dead ends: 40173 [2022-07-19 12:29:43,107 INFO L226 Difference]: Without dead ends: 23385 [2022-07-19 12:29:43,113 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 [2022-07-19 12:29:43,114 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 223 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:43,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 394 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-19 12:29:43,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23385 states. [2022-07-19 12:29:43,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23385 to 20976. [2022-07-19 12:29:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20976 states, 20975 states have (on average 1.019451728247914) internal successors, (21383), 20975 states have internal predecessors, (21383), 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) [2022-07-19 12:29:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20976 states to 20976 states and 21383 transitions. [2022-07-19 12:29:43,326 INFO L78 Accepts]: Start accepts. Automaton has 20976 states and 21383 transitions. Word has length 1075 [2022-07-19 12:29:43,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:43,327 INFO L495 AbstractCegarLoop]: Abstraction has 20976 states and 21383 transitions. [2022-07-19 12:29:43,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2022-07-19 12:29:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 20976 states and 21383 transitions. [2022-07-19 12:29:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2022-07-19 12:29:43,345 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:43,345 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:43,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-19 12:29:43,346 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:43,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:43,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2018621959, now seen corresponding path program 1 times [2022-07-19 12:29:43,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:43,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926846488] [2022-07-19 12:29:43,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:43,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 1147 proven. 269 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-07-19 12:29:43,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:43,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926846488] [2022-07-19 12:29:43,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926846488] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:29:43,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175940951] [2022-07-19 12:29:43,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:43,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:43,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:29:43,727 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:29:43,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 12:29:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:44,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:29:44,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:29:45,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 1017 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2022-07-19 12:29:45,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:29:45,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175940951] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:45,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:29:45,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-07-19 12:29:45,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181326983] [2022-07-19 12:29:45,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:45,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:29:45,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:45,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:29:45,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:29:45,392 INFO L87 Difference]: Start difference. First operand 20976 states and 21383 transitions. Second operand has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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) [2022-07-19 12:29:46,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:46,222 INFO L93 Difference]: Finished difference Result 26667 states and 27187 transitions. [2022-07-19 12:29:46,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:29:46,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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 1132 [2022-07-19 12:29:46,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:46,252 INFO L225 Difference]: With dead ends: 26667 [2022-07-19 12:29:46,253 INFO L226 Difference]: Without dead ends: 26665 [2022-07-19 12:29:46,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1135 GetRequests, 1130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:29:46,262 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 339 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 694 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 705 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:46,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 68 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 694 Invalid, 0 Unknown, 705 Unchecked, 0.7s Time] [2022-07-19 12:29:46,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26665 states. [2022-07-19 12:29:46,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26665 to 23968. [2022-07-19 12:29:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23968 states, 23967 states have (on average 1.0193599532690782) internal successors, (24431), 23967 states have internal predecessors, (24431), 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) [2022-07-19 12:29:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23968 states to 23968 states and 24431 transitions. [2022-07-19 12:29:46,523 INFO L78 Accepts]: Start accepts. Automaton has 23968 states and 24431 transitions. Word has length 1132 [2022-07-19 12:29:46,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:46,523 INFO L495 AbstractCegarLoop]: Abstraction has 23968 states and 24431 transitions. [2022-07-19 12:29:46,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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) [2022-07-19 12:29:46,524 INFO L276 IsEmpty]: Start isEmpty. Operand 23968 states and 24431 transitions. [2022-07-19 12:29:46,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1170 [2022-07-19 12:29:46,541 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:46,542 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:46,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 12:29:46,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:46,743 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:46,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:46,744 INFO L85 PathProgramCache]: Analyzing trace with hash 395044658, now seen corresponding path program 1 times [2022-07-19 12:29:46,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:46,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925945247] [2022-07-19 12:29:46,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:46,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 1351 proven. 192 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-07-19 12:29:47,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:47,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925945247] [2022-07-19 12:29:47,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925945247] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:29:47,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432373601] [2022-07-19 12:29:47,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:47,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:47,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:29:47,288 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:29:47,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-19 12:29:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:47,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:29:47,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:29:48,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 1054 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2022-07-19 12:29:48,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:29:48,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432373601] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:48,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:29:48,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-07-19 12:29:48,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293002453] [2022-07-19 12:29:48,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:48,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:29:48,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:48,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:29:48,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:29:48,910 INFO L87 Difference]: Start difference. First operand 23968 states and 24431 transitions. Second operand has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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) [2022-07-19 12:29:49,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:49,692 INFO L93 Difference]: Finished difference Result 27691 states and 28235 transitions. [2022-07-19 12:29:49,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-19 12:29:49,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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 1169 [2022-07-19 12:29:49,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:49,720 INFO L225 Difference]: With dead ends: 27691 [2022-07-19 12:29:49,721 INFO L226 Difference]: Without dead ends: 27689 [2022-07-19 12:29:49,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1173 GetRequests, 1168 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-07-19 12:29:49,730 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 72 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 442 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:49,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 60 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 691 Invalid, 0 Unknown, 442 Unchecked, 0.7s Time] [2022-07-19 12:29:49,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27689 states. [2022-07-19 12:29:49,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27689 to 27046. [2022-07-19 12:29:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27046 states, 27045 states have (on average 1.0192641893141061) internal successors, (27566), 27045 states have internal predecessors, (27566), 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) [2022-07-19 12:29:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27046 states to 27046 states and 27566 transitions. [2022-07-19 12:29:50,025 INFO L78 Accepts]: Start accepts. Automaton has 27046 states and 27566 transitions. Word has length 1169 [2022-07-19 12:29:50,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:50,026 INFO L495 AbstractCegarLoop]: Abstraction has 27046 states and 27566 transitions. [2022-07-19 12:29:50,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 151.25) internal successors, (605), 4 states have internal predecessors, (605), 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) [2022-07-19 12:29:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 27046 states and 27566 transitions. [2022-07-19 12:29:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1465 [2022-07-19 12:29:50,050 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:50,051 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:50,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-07-19 12:29:50,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:50,252 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:50,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:50,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1288368609, now seen corresponding path program 1 times [2022-07-19 12:29:50,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:50,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361625766] [2022-07-19 12:29:50,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:50,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3587 backedges. 1540 proven. 1029 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2022-07-19 12:29:50,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:50,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361625766] [2022-07-19 12:29:50,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361625766] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:29:50,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895117268] [2022-07-19 12:29:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:50,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:50,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:29:50,824 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:29:50,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-19 12:29:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:51,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 1681 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:29:51,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:29:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3587 backedges. 1735 proven. 0 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2022-07-19 12:29:52,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:29:52,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895117268] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:29:52,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:29:52,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-19 12:29:52,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293913848] [2022-07-19 12:29:52,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:29:52,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:29:52,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:52,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:29:52,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:29:52,622 INFO L87 Difference]: Start difference. First operand 27046 states and 27566 transitions. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2022-07-19 12:29:52,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:52,894 INFO L93 Difference]: Finished difference Result 54685 states and 55730 transitions. [2022-07-19 12:29:52,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:29:52,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 1464 [2022-07-19 12:29:52,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:52,925 INFO L225 Difference]: With dead ends: 54685 [2022-07-19 12:29:52,925 INFO L226 Difference]: Without dead ends: 27940 [2022-07-19 12:29:52,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1468 GetRequests, 1464 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:29:52,938 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 577 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:52,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 425 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 577 Unchecked, 0.0s Time] [2022-07-19 12:29:52,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27940 states. [2022-07-19 12:29:53,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27940 to 27940. [2022-07-19 12:29:53,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27940 states, 27939 states have (on average 1.0187193528759082) internal successors, (28462), 27939 states have internal predecessors, (28462), 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) [2022-07-19 12:29:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27940 states to 27940 states and 28462 transitions. [2022-07-19 12:29:53,226 INFO L78 Accepts]: Start accepts. Automaton has 27940 states and 28462 transitions. Word has length 1464 [2022-07-19 12:29:53,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:53,227 INFO L495 AbstractCegarLoop]: Abstraction has 27940 states and 28462 transitions. [2022-07-19 12:29:53,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2022-07-19 12:29:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 27940 states and 28462 transitions. [2022-07-19 12:29:53,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1469 [2022-07-19 12:29:53,251 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:53,252 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, 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, 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-07-19 12:29:53,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-19 12:29:53,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-07-19 12:29:53,452 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:53,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:53,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1869839323, now seen corresponding path program 1 times [2022-07-19 12:29:53,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:53,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449406378] [2022-07-19 12:29:53,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:53,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 3187 backedges. 1335 proven. 43 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-07-19 12:29:53,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:53,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449406378] [2022-07-19 12:29:53,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449406378] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:29:53,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406589248] [2022-07-19 12:29:53,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:53,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:53,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:29:53,954 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:29:53,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-19 12:29:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:54,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1660 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-19 12:29:54,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:29:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3187 backedges. 1335 proven. 43 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-07-19 12:29:55,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:29:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3187 backedges. 1335 proven. 43 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-07-19 12:29:57,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406589248] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:29:57,163 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:29:57,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-07-19 12:29:57,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798519748] [2022-07-19 12:29:57,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:29:57,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-19 12:29:57,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:29:57,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-19 12:29:57,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-19 12:29:57,167 INFO L87 Difference]: Start difference. First operand 27940 states and 28462 transitions. Second operand has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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) [2022-07-19 12:29:58,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:29:58,458 INFO L93 Difference]: Finished difference Result 56351 states and 57406 transitions. [2022-07-19 12:29:58,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 12:29:58,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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 1468 [2022-07-19 12:29:58,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:29:58,488 INFO L225 Difference]: With dead ends: 56351 [2022-07-19 12:29:58,488 INFO L226 Difference]: Without dead ends: 28712 [2022-07-19 12:29:58,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2940 GetRequests, 2935 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-19 12:29:58,505 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 289 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 12:29:58,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 63 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 12:29:58,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28712 states. [2022-07-19 12:29:58,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28712 to 24625. [2022-07-19 12:29:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24625 states, 24624 states have (on average 1.0186809616634178) internal successors, (25084), 24624 states have internal predecessors, (25084), 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) [2022-07-19 12:29:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24625 states to 24625 states and 25084 transitions. [2022-07-19 12:29:58,889 INFO L78 Accepts]: Start accepts. Automaton has 24625 states and 25084 transitions. Word has length 1468 [2022-07-19 12:29:58,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:29:58,890 INFO L495 AbstractCegarLoop]: Abstraction has 24625 states and 25084 transitions. [2022-07-19 12:29:58,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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) [2022-07-19 12:29:58,890 INFO L276 IsEmpty]: Start isEmpty. Operand 24625 states and 25084 transitions. [2022-07-19 12:29:58,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1504 [2022-07-19 12:29:58,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:29:58,917 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:29:58,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-19 12:29:59,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-07-19 12:29:59,119 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:29:59,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:29:59,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2115017763, now seen corresponding path program 1 times [2022-07-19 12:29:59,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:29:59,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328182443] [2022-07-19 12:29:59,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:59,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:29:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:29:59,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3668 backedges. 1570 proven. 1080 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2022-07-19 12:29:59,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:29:59,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328182443] [2022-07-19 12:29:59,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328182443] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:29:59,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372011936] [2022-07-19 12:29:59,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:29:59,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:29:59,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:29:59,733 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:29:59,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-19 12:30:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:30:00,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:30:00,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:30:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3668 backedges. 1816 proven. 0 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2022-07-19 12:30:01,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 12:30:01,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372011936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 12:30:01,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 12:30:01,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-19 12:30:01,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59723919] [2022-07-19 12:30:01,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 12:30:01,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 12:30:01,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:30:01,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 12:30:01,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:30:01,721 INFO L87 Difference]: Start difference. First operand 24625 states and 25084 transitions. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2022-07-19 12:30:01,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:30:01,989 INFO L93 Difference]: Finished difference Result 49153 states and 50073 transitions. [2022-07-19 12:30:01,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 12:30:01,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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 1503 [2022-07-19 12:30:01,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:30:02,018 INFO L225 Difference]: With dead ends: 49153 [2022-07-19 12:30:02,019 INFO L226 Difference]: Without dead ends: 24829 [2022-07-19 12:30:02,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1507 GetRequests, 1503 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 12:30:02,038 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 627 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 12:30:02,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 424 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 627 Unchecked, 0.0s Time] [2022-07-19 12:30:02,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24829 states. [2022-07-19 12:30:02,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24829 to 24829. [2022-07-19 12:30:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24829 states, 24828 states have (on average 1.018527468986628) internal successors, (25288), 24828 states have internal predecessors, (25288), 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) [2022-07-19 12:30:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24829 states to 24829 states and 25288 transitions. [2022-07-19 12:30:02,339 INFO L78 Accepts]: Start accepts. Automaton has 24829 states and 25288 transitions. Word has length 1503 [2022-07-19 12:30:02,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:30:02,339 INFO L495 AbstractCegarLoop]: Abstraction has 24829 states and 25288 transitions. [2022-07-19 12:30:02,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2022-07-19 12:30:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 24829 states and 25288 transitions. [2022-07-19 12:30:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1638 [2022-07-19 12:30:02,364 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 12:30:02,365 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:30:02,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-07-19 12:30:02,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-07-19 12:30:02,566 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 12:30:02,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 12:30:02,567 INFO L85 PathProgramCache]: Analyzing trace with hash 413889124, now seen corresponding path program 1 times [2022-07-19 12:30:02,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 12:30:02,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618083632] [2022-07-19 12:30:02,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:30:02,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 12:30:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:30:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2558 proven. 826 refuted. 0 times theorem prover too weak. 989 trivial. 0 not checked. [2022-07-19 12:30:03,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 12:30:03,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618083632] [2022-07-19 12:30:03,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618083632] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 12:30:03,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824082976] [2022-07-19 12:30:03,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 12:30:03,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 12:30:03,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 12:30:03,166 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 12:30:03,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-19 12:30:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 12:30:03,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-19 12:30:03,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 12:30:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2645 proven. 484 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2022-07-19 12:30:05,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 12:30:06,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2645 proven. 484 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2022-07-19 12:30:06,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824082976] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 12:30:06,820 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 12:30:06,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-07-19 12:30:06,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368130899] [2022-07-19 12:30:06,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 12:30:06,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 12:30:06,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 12:30:06,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 12:30:06,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-07-19 12:30:06,823 INFO L87 Difference]: Start difference. First operand 24829 states and 25288 transitions. Second operand has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 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) [2022-07-19 12:30:08,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 12:30:08,620 INFO L93 Difference]: Finished difference Result 60881 states and 61978 transitions. [2022-07-19 12:30:08,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 12:30:08,621 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 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 1637 [2022-07-19 12:30:08,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 12:30:08,622 INFO L225 Difference]: With dead ends: 60881 [2022-07-19 12:30:08,622 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 12:30:08,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3277 GetRequests, 3268 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-07-19 12:30:08,640 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 1605 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 2023 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 984 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 12:30:08,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 101 Invalid, 3143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2023 Invalid, 0 Unknown, 984 Unchecked, 1.5s Time] [2022-07-19 12:30:08,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 12:30:08,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 12:30:08,641 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) [2022-07-19 12:30:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 12:30:08,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1637 [2022-07-19 12:30:08,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 12:30:08,642 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 12:30:08,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 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) [2022-07-19 12:30:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 12:30:08,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 12:30:08,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 12:30:08,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-19 12:30:08,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-07-19 12:30:08,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 12:30:17,188 WARN L233 SmtUtils]: Spent 8.33s on a formula simplification. DAG size of input: 747 DAG size of output: 717 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-19 12:30:28,928 WARN L233 SmtUtils]: Spent 11.74s on a formula simplification. DAG size of input: 810 DAG size of output: 768 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-19 12:30:40,592 WARN L233 SmtUtils]: Spent 11.66s on a formula simplification. DAG size of input: 810 DAG size of output: 768 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-19 12:30:52,559 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,560 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-07-19 12:30:52,561 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,561 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,561 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,561 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,561 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,561 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-07-19 12:30:52,561 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,562 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,562 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-07-19 12:30:52,562 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-07-19 12:30:52,562 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,562 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,562 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,562 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,562 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-07-19 12:30:52,563 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,563 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-07-19 12:30:52,563 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-07-19 12:30:52,563 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,563 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,563 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-07-19 12:30:52,563 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-07-19 12:30:52,563 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,564 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,564 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,564 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,564 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,564 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-07-19 12:30:52,564 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,564 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,564 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,565 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,565 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,565 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,565 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-07-19 12:30:52,565 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,565 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,565 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,565 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,566 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,566 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,566 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-07-19 12:30:52,566 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,566 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,566 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,566 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,566 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,567 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,567 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-07-19 12:30:52,567 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,567 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,567 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,567 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,567 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-07-19 12:30:52,568 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-07-19 12:30:52,568 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,568 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,568 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,568 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,568 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-07-19 12:30:52,568 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,568 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,569 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,569 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,569 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,569 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,569 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-07-19 12:30:52,569 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,569 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-07-19 12:30:52,569 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-07-19 12:30:52,570 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-07-19 12:30:52,570 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-07-19 12:30:52,570 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,570 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,570 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,570 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,570 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,570 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,571 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,571 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,571 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-07-19 12:30:52,571 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 12:30:52,571 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2022-07-19 12:30:52,571 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,571 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,572 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,572 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,572 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,572 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-07-19 12:30:52,572 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,572 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-07-19 12:30:52,572 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-07-19 12:30:52,572 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-07-19 12:30:52,573 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-07-19 12:30:52,573 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-07-19 12:30:52,573 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-07-19 12:30:52,573 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,573 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,573 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,573 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,573 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-07-19 12:30:52,574 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-07-19 12:30:52,574 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,574 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-07-19 12:30:52,574 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,574 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,574 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,574 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,574 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,575 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,575 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-07-19 12:30:52,575 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,575 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,575 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,575 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,575 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,575 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-07-19 12:30:52,576 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-07-19 12:30:52,576 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,576 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-07-19 12:30:52,576 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-07-19 12:30:52,576 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-07-19 12:30:52,576 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,576 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-07-19 12:30:52,577 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-07-19 12:30:52,577 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,577 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,577 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,577 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,577 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-07-19 12:30:52,577 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,577 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,578 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,578 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,578 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-07-19 12:30:52,578 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-07-19 12:30:52,578 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,578 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-07-19 12:30:52,578 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,578 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,579 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,579 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,579 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,579 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,579 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-07-19 12:30:52,579 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,579 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,580 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,580 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,580 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,580 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,580 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,580 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-07-19 12:30:52,580 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,580 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,581 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,581 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,581 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,581 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-07-19 12:30:52,581 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,581 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,581 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,581 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,582 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,582 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,582 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 12:30:52,582 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,582 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-07-19 12:30:52,582 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-07-19 12:30:52,583 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,583 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,583 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-07-19 12:30:52,583 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,583 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,583 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,583 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,583 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,584 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-19 12:30:52,584 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,584 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,584 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,584 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,584 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,584 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-07-19 12:30:52,584 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,585 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,585 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,585 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,585 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-07-19 12:30:52,585 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-07-19 12:30:52,585 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,585 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,586 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,586 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,586 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,586 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-07-19 12:30:52,586 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-07-19 12:30:52,586 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,586 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-07-19 12:30:52,586 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-07-19 12:30:52,587 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,587 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,587 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,587 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,587 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,587 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-07-19 12:30:52,587 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-07-19 12:30:52,587 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-07-19 12:30:52,587 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-07-19 12:30:52,588 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,588 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,588 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,588 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-19 12:30:52,588 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-07-19 12:30:52,588 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,588 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,588 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,588 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,589 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,590 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,590 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,590 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,590 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,590 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-07-19 12:30:52,590 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-07-19 12:30:52,590 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-07-19 12:30:52,590 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-07-19 12:30:52,591 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,591 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,591 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,591 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,591 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse22 (+ 98 ~a0~0)) (.cse23 (+ ~a4~0 86)) (.cse20 (+ 44 ~a0~0))) (let ((.cse13 (<= ~a29~0 43)) (.cse2 (= 3 ~a2~0)) (.cse17 (<= 0 .cse20)) (.cse10 (< 0 .cse23)) (.cse3 (<= 0 (+ 146 ~a0~0))) (.cse19 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 5 ~a2~0)) (.cse8 (<= ~a0~0 599946)) (.cse16 (<= 44 ~a29~0)) (.cse12 (< 0 .cse22)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse11 (= ~a2~0 1)) (.cse7 (<= .cse23 0)) (.cse1 (<= .cse22 0)) (.cse15 (+ ~a29~0 144)) (.cse9 (<= ~a2~0 2)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse5 (<= 2 ~a2~0)) (.cse6 (<= (+ ~a0~0 147) 0)) (.cse21 (<= (+ ~a0~0 31779) 0))) (or (and .cse0 .cse1 .cse2) (and (<= (+ 104 ~a0~0) 0) .cse0 (<= (+ ~a29~0 145) 0) .cse3 .cse4) (and .cse0 .cse5 .cse6 (not (= 5 ~a2~0))) (and .cse5 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse3 (< 0 .cse15) .cse4) (and .cse16 .cse11 .cse7 .cse14) (and .cse5 .cse7 .cse8 .cse13) (and .cse0 .cse16 .cse5 .cse6) (and .cse5 .cse4 .cse7 (<= ~a0~0 599976) .cse13) (and .cse0 .cse16 .cse6 .cse11) (and .cse0 .cse8 (or (and .cse17 .cse2) (and .cse7 .cse2))) (let ((.cse18 (+ ~a29~0 127))) (and (<= 0 .cse18) .cse19 .cse11 .cse17 (<= .cse20 0) (<= .cse18 0))) (and .cse10 .cse0 .cse11 .cse21) (and .cse10 .cse0 .cse1 .cse3 .cse11) (and .cse19 .cse6) (and .cse5 .cse4 .cse7 .cse8) (and .cse16 .cse5 .cse6 .cse9) (and .cse11 .cse7 .cse12 .cse14) (and .cse5 .cse7 .cse14) (and .cse6 .cse11 .cse7) (and .cse0 .cse5 .cse1 (not (<= .cse15 0)) .cse9) (and .cse0 .cse5 .cse6 .cse21)))) [2022-07-19 12:30:52,592 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-07-19 12:30:52,592 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-07-19 12:30:52,592 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,592 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,592 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,592 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,592 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,592 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,593 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,593 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-07-19 12:30:52,593 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,593 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-07-19 12:30:52,593 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-07-19 12:30:52,593 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,593 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-07-19 12:30:52,594 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-07-19 12:30:52,594 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-07-19 12:30:52,594 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-07-19 12:30:52,594 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,594 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,594 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,594 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,594 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,595 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-19 12:30:52,595 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-07-19 12:30:52,595 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,595 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-07-19 12:30:52,595 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-07-19 12:30:52,595 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,595 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,595 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 12:30:52,596 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,596 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,596 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,596 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,596 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse22 (+ 98 ~a0~0)) (.cse23 (+ ~a4~0 86)) (.cse20 (+ 44 ~a0~0))) (let ((.cse13 (<= ~a29~0 43)) (.cse2 (= 3 ~a2~0)) (.cse17 (<= 0 .cse20)) (.cse10 (< 0 .cse23)) (.cse3 (<= 0 (+ 146 ~a0~0))) (.cse19 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 5 ~a2~0)) (.cse8 (<= ~a0~0 599946)) (.cse16 (<= 44 ~a29~0)) (.cse12 (< 0 .cse22)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse11 (= ~a2~0 1)) (.cse7 (<= .cse23 0)) (.cse1 (<= .cse22 0)) (.cse15 (+ ~a29~0 144)) (.cse9 (<= ~a2~0 2)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse5 (<= 2 ~a2~0)) (.cse6 (<= (+ ~a0~0 147) 0)) (.cse21 (<= (+ ~a0~0 31779) 0))) (or (and .cse0 .cse1 .cse2) (and (<= (+ 104 ~a0~0) 0) .cse0 (<= (+ ~a29~0 145) 0) .cse3 .cse4) (and .cse0 .cse5 .cse6 (not (= 5 ~a2~0))) (and .cse5 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse3 (< 0 .cse15) .cse4) (and .cse16 .cse11 .cse7 .cse14) (and .cse5 .cse7 .cse8 .cse13) (and .cse0 .cse16 .cse5 .cse6) (and .cse5 .cse4 .cse7 (<= ~a0~0 599976) .cse13) (and .cse0 .cse16 .cse6 .cse11) (and .cse0 .cse8 (or (and .cse17 .cse2) (and .cse7 .cse2))) (let ((.cse18 (+ ~a29~0 127))) (and (<= 0 .cse18) .cse19 .cse11 .cse17 (<= .cse20 0) (<= .cse18 0))) (and .cse10 .cse0 .cse11 .cse21) (and .cse10 .cse0 .cse1 .cse3 .cse11) (and .cse19 .cse6) (and .cse5 .cse4 .cse7 .cse8) (and .cse16 .cse5 .cse6 .cse9) (and .cse11 .cse7 .cse12 .cse14) (and .cse5 .cse7 .cse14) (and .cse6 .cse11 .cse7) (and .cse0 .cse5 .cse1 (not (<= .cse15 0)) .cse9) (and .cse0 .cse5 .cse6 .cse21)))) [2022-07-19 12:30:52,596 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,596 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-07-19 12:30:52,597 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-07-19 12:30:52,597 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,597 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,597 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,597 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,597 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,597 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,597 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-19 12:30:52,598 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-07-19 12:30:52,598 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,598 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,598 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-07-19 12:30:52,598 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,598 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,598 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,598 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,599 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,599 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,599 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-07-19 12:30:52,599 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-07-19 12:30:52,599 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,599 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,599 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,599 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,600 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,600 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,600 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-07-19 12:30:52,600 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,600 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-07-19 12:30:52,600 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,600 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,600 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,601 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,601 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,601 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,601 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,601 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-19 12:30:52,601 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-07-19 12:30:52,601 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,601 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,602 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,602 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,602 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,602 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,602 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,602 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-07-19 12:30:52,602 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-07-19 12:30:52,602 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,603 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,603 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,603 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,603 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,603 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,603 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,603 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-07-19 12:30:52,603 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-07-19 12:30:52,604 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,604 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-07-19 12:30:52,604 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-07-19 12:30:52,604 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,604 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,604 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,604 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,604 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,605 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,605 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse22 (+ 98 ~a0~0)) (.cse23 (+ ~a4~0 86)) (.cse20 (+ 44 ~a0~0))) (let ((.cse13 (<= ~a29~0 43)) (.cse2 (= 3 ~a2~0)) (.cse17 (<= 0 .cse20)) (.cse10 (< 0 .cse23)) (.cse3 (<= 0 (+ 146 ~a0~0))) (.cse19 (<= (+ 89 ~a4~0) 0)) (.cse4 (<= 5 ~a2~0)) (.cse8 (<= ~a0~0 599946)) (.cse16 (<= 44 ~a29~0)) (.cse12 (< 0 .cse22)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse11 (= ~a2~0 1)) (.cse7 (<= .cse23 0)) (.cse1 (<= .cse22 0)) (.cse15 (+ ~a29~0 144)) (.cse9 (<= ~a2~0 2)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse5 (<= 2 ~a2~0)) (.cse6 (<= (+ ~a0~0 147) 0)) (.cse21 (<= (+ ~a0~0 31779) 0))) (or (and .cse0 .cse1 .cse2) (and (<= (+ 104 ~a0~0) 0) .cse0 (<= (+ ~a29~0 145) 0) .cse3 .cse4) (and .cse0 .cse5 .cse6 (not (= 5 ~a2~0))) (and .cse5 .cse7 .cse8 .cse9) (and .cse10 .cse0 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse3 (< 0 .cse15) .cse4) (and .cse16 .cse11 .cse7 .cse14) (and .cse5 .cse7 .cse8 .cse13) (and .cse0 .cse16 .cse5 .cse6) (and .cse5 .cse4 .cse7 (<= ~a0~0 599976) .cse13) (and .cse0 .cse16 .cse6 .cse11) (and .cse0 .cse8 (or (and .cse17 .cse2) (and .cse7 .cse2))) (let ((.cse18 (+ ~a29~0 127))) (and (<= 0 .cse18) .cse19 .cse11 .cse17 (<= .cse20 0) (<= .cse18 0))) (and .cse10 .cse0 .cse11 .cse21) (and .cse10 .cse0 .cse1 .cse3 .cse11) (and .cse19 .cse6) (and .cse5 .cse4 .cse7 .cse8) (and .cse16 .cse5 .cse6 .cse9) (and .cse11 .cse7 .cse12 .cse14) (and .cse5 .cse7 .cse14) (and .cse6 .cse11 .cse7) (and .cse0 .cse5 .cse1 (not (<= .cse15 0)) .cse9) (and .cse0 .cse5 .cse6 .cse21)))) [2022-07-19 12:30:52,605 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-19 12:30:52,605 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-07-19 12:30:52,605 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,605 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,605 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,606 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,606 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,606 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,606 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,606 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,606 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-07-19 12:30:52,606 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-07-19 12:30:52,606 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,607 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-07-19 12:30:52,607 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-07-19 12:30:52,607 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,607 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,607 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,607 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,607 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,607 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 12:30:52,608 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-07-19 12:30:52,608 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,608 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,608 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,608 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,608 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-07-19 12:30:52,608 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-07-19 12:30:52,609 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-07-19 12:30:52,609 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,609 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-07-19 12:30:52,609 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-07-19 12:30:52,609 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,609 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,609 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,609 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,610 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,610 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,610 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,610 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-07-19 12:30:52,610 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,610 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,610 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,610 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,611 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-07-19 12:30:52,611 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,611 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,611 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-07-19 12:30:52,611 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,611 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,611 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,611 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,612 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,612 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,612 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,612 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-07-19 12:30:52,612 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-07-19 12:30:52,612 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,612 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-07-19 12:30:52,612 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,612 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-07-19 12:30:52,613 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,613 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-07-19 12:30:52,613 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-07-19 12:30:52,616 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 12:30:52,617 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 12:30:52,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 12:30:52 BoogieIcfgContainer [2022-07-19 12:30:52,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 12:30:52,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 12:30:52,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 12:30:52,643 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 12:30:52,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 12:28:42" (3/4) ... [2022-07-19 12:30:52,645 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 12:30:52,672 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-19 12:30:52,674 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 12:30:52,676 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 12:30:52,678 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 12:30:52,808 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 12:30:52,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 12:30:52,813 INFO L158 Benchmark]: Toolchain (without parser) took 133693.51ms. Allocated memory was 127.9MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 90.9MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 504.6MB. Max. memory is 16.1GB. [2022-07-19 12:30:52,814 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 12:30:52,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.18ms. Allocated memory is still 127.9MB. Free memory was 90.5MB in the beginning and 91.9MB in the end (delta: -1.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-07-19 12:30:52,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 218.15ms. Allocated memory is still 127.9MB. Free memory was 91.9MB in the beginning and 54.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-07-19 12:30:52,816 INFO L158 Benchmark]: Boogie Preprocessor took 277.93ms. Allocated memory was 127.9MB in the beginning and 211.8MB in the end (delta: 83.9MB). Free memory was 54.2MB in the beginning and 150.9MB in the end (delta: -96.8MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2022-07-19 12:30:52,816 INFO L158 Benchmark]: RCFGBuilder took 2378.43ms. Allocated memory is still 211.8MB. Free memory was 150.9MB in the beginning and 88.5MB in the end (delta: 62.4MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2022-07-19 12:30:52,817 INFO L158 Benchmark]: TraceAbstraction took 129731.51ms. Allocated memory was 211.8MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 88.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-19 12:30:52,817 INFO L158 Benchmark]: Witness Printer took 166.22ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-19 12:30:52,818 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 92.3MB. Free memory was 48.1MB in the beginning and 48.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.18ms. Allocated memory is still 127.9MB. Free memory was 90.5MB in the beginning and 91.9MB in the end (delta: -1.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 218.15ms. Allocated memory is still 127.9MB. Free memory was 91.9MB in the beginning and 54.2MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 277.93ms. Allocated memory was 127.9MB in the beginning and 211.8MB in the end (delta: 83.9MB). Free memory was 54.2MB in the beginning and 150.9MB in the end (delta: -96.8MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2378.43ms. Allocated memory is still 211.8MB. Free memory was 150.9MB in the beginning and 88.5MB in the end (delta: 62.4MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * TraceAbstraction took 129731.51ms. Allocated memory was 211.8MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 88.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 166.22ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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: 152]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 129.6s, OverallIterations: 37, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 48.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 43.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12357 SdHoareTripleChecker+Valid, 42.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12357 mSDsluCounter, 10229 SdHoareTripleChecker+Invalid, 35.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3335 IncrementalHoareTripleChecker+Unchecked, 1297 mSDsCounter, 5483 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35779 IncrementalHoareTripleChecker+Invalid, 44597 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5483 mSolverCounterUnsat, 8932 mSDtfsCounter, 35779 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15340 GetRequests, 15253 SyntacticMatches, 3 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27940occurred in iteration=34, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.0s AutomataMinimizationTime, 37 MinimizatonAttempts, 54566 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 469 NumberOfFragments, 1312 HoareAnnotationTreeSize, 4 FomulaSimplifications, 527477 FormulaSimplificationTreeSizeReduction, 31.7s HoareSimplificationTime, 4 FomulaSimplificationsInter, 687474 FormulaSimplificationTreeSizeReductionInter, 12.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 39335 NumberOfCodeBlocks, 39335 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 42390 ConstructedInterpolants, 816 QuantifiedInterpolants, 140883 SizeOfPredicates, 8 NumberOfNonLiveVariables, 14019 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 50 InterpolantComputations, 35 PerfectInterpolantSequences, 69536/75150 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 145 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && !(5 == a2))) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a2 <= 2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 144) && 5 <= a2)) || (((44 <= a29 && a2 == 1) && a4 + 86 <= 0) && a0 + 61 <= 0)) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && 2 <= a2) && a0 + 147 <= 0)) || ((((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599976) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && a0 + 147 <= 0) && a2 == 1)) || ((42 + a4 <= 0 && a0 <= 599946) && ((0 <= 44 + a0 && 3 == a2) || (a4 + 86 <= 0 && 3 == a2)))) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 31779 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (89 + a4 <= 0 && a0 + 147 <= 0)) || (((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599946)) || (((44 <= a29 && 2 <= a2) && a0 + 147 <= 0) && a2 <= 2)) || (((a2 == 1 && a4 + 86 <= 0) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((2 <= a2 && a4 + 86 <= 0) && a0 + 61 <= 0)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || ((((42 + a4 <= 0 && 2 <= a2) && 98 + a0 <= 0) && !(a29 + 144 <= 0)) && a2 <= 2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && a0 + 31779 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 145 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && !(5 == a2))) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a2 <= 2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 144) && 5 <= a2)) || (((44 <= a29 && a2 == 1) && a4 + 86 <= 0) && a0 + 61 <= 0)) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && 2 <= a2) && a0 + 147 <= 0)) || ((((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599976) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && a0 + 147 <= 0) && a2 == 1)) || ((42 + a4 <= 0 && a0 <= 599946) && ((0 <= 44 + a0 && 3 == a2) || (a4 + 86 <= 0 && 3 == a2)))) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 31779 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (89 + a4 <= 0 && a0 + 147 <= 0)) || (((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599946)) || (((44 <= a29 && 2 <= a2) && a0 + 147 <= 0) && a2 <= 2)) || (((a2 == 1 && a4 + 86 <= 0) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((2 <= a2 && a4 + 86 <= 0) && a0 + 61 <= 0)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || ((((42 + a4 <= 0 && 2 <= a2) && 98 + a0 <= 0) && !(a29 + 144 <= 0)) && a2 <= 2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && a0 + 31779 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((42 + a4 <= 0 && 98 + a0 <= 0) && 3 == a2) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 145 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && !(5 == a2))) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a2 <= 2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 144) && 5 <= a2)) || (((44 <= a29 && a2 == 1) && a4 + 86 <= 0) && a0 + 61 <= 0)) || (((2 <= a2 && a4 + 86 <= 0) && a0 <= 599946) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && 2 <= a2) && a0 + 147 <= 0)) || ((((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599976) && a29 <= 43)) || (((42 + a4 <= 0 && 44 <= a29) && a0 + 147 <= 0) && a2 == 1)) || ((42 + a4 <= 0 && a0 <= 599946) && ((0 <= 44 + a0 && 3 == a2) || (a4 + 86 <= 0 && 3 == a2)))) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a2 == 1) && a0 + 31779 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || (89 + a4 <= 0 && a0 + 147 <= 0)) || (((2 <= a2 && 5 <= a2) && a4 + 86 <= 0) && a0 <= 599946)) || (((44 <= a29 && 2 <= a2) && a0 + 147 <= 0) && a2 <= 2)) || (((a2 == 1 && a4 + 86 <= 0) && 0 < 98 + a0) && a0 + 61 <= 0)) || ((2 <= a2 && a4 + 86 <= 0) && a0 + 61 <= 0)) || ((a0 + 147 <= 0 && a2 == 1) && a4 + 86 <= 0)) || ((((42 + a4 <= 0 && 2 <= a2) && 98 + a0 <= 0) && !(a29 + 144 <= 0)) && a2 <= 2)) || (((42 + a4 <= 0 && 2 <= a2) && a0 + 147 <= 0) && a0 + 31779 <= 0) RESULT: Ultimate proved your program to be correct! [2022-07-19 12:30:52,863 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