./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label10.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 b406ff3fd0da0465581d2165eb1f16564f4bf2c96c00f3bdd76ed4230f7217fd --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 11:44:46,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 11:44:46,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 11:44:47,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 11:44:47,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 11:44:47,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 11:44:47,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 11:44:47,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 11:44:47,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 11:44:47,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 11:44:47,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 11:44:47,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 11:44:47,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 11:44:47,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 11:44:47,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 11:44:47,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 11:44:47,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 11:44:47,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 11:44:47,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 11:44:47,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 11:44:47,015 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 11:44:47,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 11:44:47,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 11:44:47,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 11:44:47,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 11:44:47,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 11:44:47,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 11:44:47,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 11:44:47,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 11:44:47,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 11:44:47,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 11:44:47,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 11:44:47,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 11:44:47,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 11:44:47,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 11:44:47,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 11:44:47,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 11:44:47,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 11:44:47,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 11:44:47,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 11:44:47,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 11:44:47,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 11:44:47,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 11:44:47,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 11:44:47,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 11:44:47,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 11:44:47,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 11:44:47,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 11:44:47,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 11:44:47,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 11:44:47,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 11:44:47,062 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 11:44:47,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 11:44:47,063 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 11:44:47,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 11:44:47,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 11:44:47,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 11:44:47,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 11:44:47,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 11:44:47,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 11:44:47,064 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 11:44:47,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 11:44:47,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 11:44:47,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 11:44:47,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 11:44:47,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 11:44:47,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 11:44:47,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:44:47,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 11:44:47,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 11:44:47,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 11:44:47,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 11:44:47,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 11:44:47,067 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 11:44:47,067 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 11:44:47,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 11:44:47,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b406ff3fd0da0465581d2165eb1f16564f4bf2c96c00f3bdd76ed4230f7217fd [2022-07-13 11:44:47,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 11:44:47,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 11:44:47,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 11:44:47,273 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 11:44:47,273 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 11:44:47,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label10.c [2022-07-13 11:44:47,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d5fb0ae5/29ecd6e331734a3ea899e8028b4ac577/FLAG6ae257058 [2022-07-13 11:44:47,738 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 11:44:47,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label10.c [2022-07-13 11:44:47,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d5fb0ae5/29ecd6e331734a3ea899e8028b4ac577/FLAG6ae257058 [2022-07-13 11:44:47,755 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d5fb0ae5/29ecd6e331734a3ea899e8028b4ac577 [2022-07-13 11:44:47,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 11:44:47,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 11:44:47,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 11:44:47,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 11:44:47,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 11:44:47,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:44:47" (1/1) ... [2022-07-13 11:44:47,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132c1399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:47, skipping insertion in model container [2022-07-13 11:44:47,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:44:47" (1/1) ... [2022-07-13 11:44:47,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 11:44:47,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 11:44:48,031 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/Problem02_label10.c[20766,20779] [2022-07-13 11:44:48,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:44:48,048 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 11:44:48,106 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/Problem02_label10.c[20766,20779] [2022-07-13 11:44:48,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:44:48,119 INFO L208 MainTranslator]: Completed translation [2022-07-13 11:44:48,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48 WrapperNode [2022-07-13 11:44:48,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 11:44:48,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 11:44:48,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 11:44:48,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 11:44:48,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (1/1) ... [2022-07-13 11:44:48,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (1/1) ... [2022-07-13 11:44:48,196 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-07-13 11:44:48,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 11:44:48,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 11:44:48,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 11:44:48,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 11:44:48,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (1/1) ... [2022-07-13 11:44:48,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (1/1) ... [2022-07-13 11:44:48,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (1/1) ... [2022-07-13 11:44:48,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (1/1) ... [2022-07-13 11:44:48,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (1/1) ... [2022-07-13 11:44:48,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (1/1) ... [2022-07-13 11:44:48,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (1/1) ... [2022-07-13 11:44:48,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 11:44:48,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 11:44:48,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 11:44:48,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 11:44:48,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (1/1) ... [2022-07-13 11:44:48,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:44:48,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:44:48,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 11:44:48,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 11:44:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 11:44:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 11:44:48,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 11:44:48,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 11:44:48,387 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 11:44:48,388 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 11:44:48,942 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 11:44:48,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 11:44:48,956 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 11:44:48,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:44:48 BoogieIcfgContainer [2022-07-13 11:44:48,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 11:44:48,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 11:44:48,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 11:44:48,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 11:44:48,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:44:47" (1/3) ... [2022-07-13 11:44:48,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a9d96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:44:48, skipping insertion in model container [2022-07-13 11:44:48,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:44:48" (2/3) ... [2022-07-13 11:44:48,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a9d96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:44:48, skipping insertion in model container [2022-07-13 11:44:48,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:44:48" (3/3) ... [2022-07-13 11:44:48,966 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label10.c [2022-07-13 11:44:48,974 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 11:44:48,975 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 11:44:49,028 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 11:44:49,032 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@2047270, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@15dd2f1c [2022-07-13 11:44:49,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 11:44:49,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:49,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-13 11:44:49,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:49,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:44:49,045 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:49,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:49,048 INFO L85 PathProgramCache]: Analyzing trace with hash 163347651, now seen corresponding path program 1 times [2022-07-13 11:44:49,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:49,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843968244] [2022-07-13 11:44:49,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:49,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:49,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:44:49,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:49,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843968244] [2022-07-13 11:44:49,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843968244] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:49,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:49,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:44:49,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105404506] [2022-07-13 11:44:49,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:49,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:49,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:49,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:49,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:49,366 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:49,884 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2022-07-13 11:44:49,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:49,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2022-07-13 11:44:49,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:49,894 INFO L225 Difference]: With dead ends: 601 [2022-07-13 11:44:49,894 INFO L226 Difference]: Without dead ends: 310 [2022-07-13 11:44:49,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:49,898 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 99 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:49,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 116 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 11:44:49,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-07-13 11:44:49,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2022-07-13 11:44:49,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.4368932038834952) internal successors, (444), 309 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2022-07-13 11:44:49,941 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 135 [2022-07-13 11:44:49,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:49,944 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2022-07-13 11:44:49,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2022-07-13 11:44:49,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-13 11:44:49,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:49,961 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-13 11:44:49,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 11:44:49,962 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:49,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:49,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1249837150, now seen corresponding path program 1 times [2022-07-13 11:44:49,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:49,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665856462] [2022-07-13 11:44:49,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:49,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:44:50,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:50,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665856462] [2022-07-13 11:44:50,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665856462] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:50,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:50,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:44:50,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370974347] [2022-07-13 11:44:50,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:50,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:50,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:50,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:50,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:50,079 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:50,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:50,394 INFO L93 Difference]: Finished difference Result 913 states and 1314 transitions. [2022-07-13 11:44:50,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:50,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 153 [2022-07-13 11:44:50,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:50,397 INFO L225 Difference]: With dead ends: 913 [2022-07-13 11:44:50,397 INFO L226 Difference]: Without dead ends: 605 [2022-07-13 11:44:50,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:50,399 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 158 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:50,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 97 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:44:50,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2022-07-13 11:44:50,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 598. [2022-07-13 11:44:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 1.3969849246231156) internal successors, (834), 597 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 834 transitions. [2022-07-13 11:44:50,416 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 834 transitions. Word has length 153 [2022-07-13 11:44:50,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:50,416 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 834 transitions. [2022-07-13 11:44:50,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 2 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:50,417 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 834 transitions. [2022-07-13 11:44:50,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-07-13 11:44:50,418 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:50,418 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-13 11:44:50,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 11:44:50,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:50,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:50,419 INFO L85 PathProgramCache]: Analyzing trace with hash 153332034, now seen corresponding path program 1 times [2022-07-13 11:44:50,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:50,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372893681] [2022-07-13 11:44:50,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:50,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:44:50,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:50,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372893681] [2022-07-13 11:44:50,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372893681] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:50,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:50,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:44:50,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8662807] [2022-07-13 11:44:50,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:50,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:50,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:50,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:50,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:50,461 INFO L87 Difference]: Start difference. First operand 598 states and 834 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:50,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:50,605 INFO L93 Difference]: Finished difference Result 1181 states and 1650 transitions. [2022-07-13 11:44:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:50,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2022-07-13 11:44:50,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:50,607 INFO L225 Difference]: With dead ends: 1181 [2022-07-13 11:44:50,607 INFO L226 Difference]: Without dead ends: 585 [2022-07-13 11:44:50,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:50,608 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 195 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:50,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 23 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 11:44:50,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2022-07-13 11:44:50,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2022-07-13 11:44:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 584 states have (on average 1.297945205479452) internal successors, (758), 584 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 758 transitions. [2022-07-13 11:44:50,625 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 758 transitions. Word has length 154 [2022-07-13 11:44:50,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:50,625 INFO L495 AbstractCegarLoop]: Abstraction has 585 states and 758 transitions. [2022-07-13 11:44:50,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 758 transitions. [2022-07-13 11:44:50,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-13 11:44:50,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:50,627 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-13 11:44:50,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 11:44:50,627 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:50,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:50,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1992455831, now seen corresponding path program 1 times [2022-07-13 11:44:50,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:50,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800598899] [2022-07-13 11:44:50,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:50,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-13 11:44:50,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:50,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800598899] [2022-07-13 11:44:50,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800598899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:50,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:50,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:44:50,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738402771] [2022-07-13 11:44:50,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:50,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:50,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:50,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:50,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:50,671 INFO L87 Difference]: Start difference. First operand 585 states and 758 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:50,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:50,951 INFO L93 Difference]: Finished difference Result 1448 states and 1854 transitions. [2022-07-13 11:44:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:50,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 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 157 [2022-07-13 11:44:50,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:50,954 INFO L225 Difference]: With dead ends: 1448 [2022-07-13 11:44:50,955 INFO L226 Difference]: Without dead ends: 865 [2022-07-13 11:44:50,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:50,962 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 139 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:50,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 95 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:44:50,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2022-07-13 11:44:50,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 865. [2022-07-13 11:44:50,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 864 states have (on average 1.212962962962963) internal successors, (1048), 864 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1048 transitions. [2022-07-13 11:44:50,994 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1048 transitions. Word has length 157 [2022-07-13 11:44:50,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:50,994 INFO L495 AbstractCegarLoop]: Abstraction has 865 states and 1048 transitions. [2022-07-13 11:44:50,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1048 transitions. [2022-07-13 11:44:50,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-13 11:44:50,996 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:50,996 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-07-13 11:44:50,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 11:44:50,996 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:51,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:51,004 INFO L85 PathProgramCache]: Analyzing trace with hash 172283756, now seen corresponding path program 1 times [2022-07-13 11:44:51,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:51,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586614684] [2022-07-13 11:44:51,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:51,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-13 11:44:51,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:51,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586614684] [2022-07-13 11:44:51,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586614684] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:51,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:51,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:44:51,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487503084] [2022-07-13 11:44:51,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:51,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:51,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:51,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:51,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:51,051 INFO L87 Difference]: Start difference. First operand 865 states and 1048 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:51,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:51,366 INFO L93 Difference]: Finished difference Result 2010 states and 2478 transitions. [2022-07-13 11:44:51,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:51,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 162 [2022-07-13 11:44:51,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:51,370 INFO L225 Difference]: With dead ends: 2010 [2022-07-13 11:44:51,370 INFO L226 Difference]: Without dead ends: 1287 [2022-07-13 11:44:51,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:51,372 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 143 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:51,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 223 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:44:51,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2022-07-13 11:44:51,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1285. [2022-07-13 11:44:51,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1285 states, 1284 states have (on average 1.1705607476635513) internal successors, (1503), 1284 states have internal predecessors, (1503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1503 transitions. [2022-07-13 11:44:51,390 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1503 transitions. Word has length 162 [2022-07-13 11:44:51,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:51,390 INFO L495 AbstractCegarLoop]: Abstraction has 1285 states and 1503 transitions. [2022-07-13 11:44:51,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1503 transitions. [2022-07-13 11:44:51,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-13 11:44:51,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:51,393 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:44:51,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 11:44:51,394 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:51,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:51,394 INFO L85 PathProgramCache]: Analyzing trace with hash -599334906, now seen corresponding path program 1 times [2022-07-13 11:44:51,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:51,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050745249] [2022-07-13 11:44:51,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:51,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:44:51,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:51,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050745249] [2022-07-13 11:44:51,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050745249] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:51,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:51,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:44:51,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390737459] [2022-07-13 11:44:51,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:51,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:51,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:51,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:51,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:51,433 INFO L87 Difference]: Start difference. First operand 1285 states and 1503 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:51,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:51,749 INFO L93 Difference]: Finished difference Result 2705 states and 3180 transitions. [2022-07-13 11:44:51,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:51,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2022-07-13 11:44:51,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:51,753 INFO L225 Difference]: With dead ends: 2705 [2022-07-13 11:44:51,753 INFO L226 Difference]: Without dead ends: 1562 [2022-07-13 11:44:51,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:51,756 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 142 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:51,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 55 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:44:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2022-07-13 11:44:51,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1422. [2022-07-13 11:44:51,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1422 states, 1421 states have (on average 1.1498944405348346) internal successors, (1634), 1421 states have internal predecessors, (1634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1634 transitions. [2022-07-13 11:44:51,781 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1634 transitions. Word has length 164 [2022-07-13 11:44:51,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:51,781 INFO L495 AbstractCegarLoop]: Abstraction has 1422 states and 1634 transitions. [2022-07-13 11:44:51,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1634 transitions. [2022-07-13 11:44:51,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-13 11:44:51,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:51,784 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-07-13 11:44:51,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 11:44:51,784 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:51,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:51,785 INFO L85 PathProgramCache]: Analyzing trace with hash -716130352, now seen corresponding path program 1 times [2022-07-13 11:44:51,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:51,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101832524] [2022-07-13 11:44:51,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:51,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:44:51,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:51,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101832524] [2022-07-13 11:44:51,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101832524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:51,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:51,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:44:51,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440821873] [2022-07-13 11:44:51,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:51,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:51,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:51,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:51,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:51,836 INFO L87 Difference]: Start difference. First operand 1422 states and 1634 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:52,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:52,117 INFO L93 Difference]: Finished difference Result 2562 states and 2973 transitions. [2022-07-13 11:44:52,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:52,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 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 168 [2022-07-13 11:44:52,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:52,121 INFO L225 Difference]: With dead ends: 2562 [2022-07-13 11:44:52,121 INFO L226 Difference]: Without dead ends: 1140 [2022-07-13 11:44:52,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:52,123 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 138 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:52,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 224 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:44:52,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2022-07-13 11:44:52,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1137. [2022-07-13 11:44:52,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1136 states have (on average 1.1294014084507042) internal successors, (1283), 1136 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1283 transitions. [2022-07-13 11:44:52,156 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1283 transitions. Word has length 168 [2022-07-13 11:44:52,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:52,156 INFO L495 AbstractCegarLoop]: Abstraction has 1137 states and 1283 transitions. [2022-07-13 11:44:52,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1283 transitions. [2022-07-13 11:44:52,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-13 11:44:52,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:52,160 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:44:52,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 11:44:52,160 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:52,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:52,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1994092456, now seen corresponding path program 1 times [2022-07-13 11:44:52,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:52,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497249630] [2022-07-13 11:44:52,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:52,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-13 11:44:52,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:52,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497249630] [2022-07-13 11:44:52,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497249630] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:52,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:52,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:44:52,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551710571] [2022-07-13 11:44:52,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:52,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:52,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:52,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:52,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:52,227 INFO L87 Difference]: Start difference. First operand 1137 states and 1283 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:52,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:52,493 INFO L93 Difference]: Finished difference Result 2132 states and 2419 transitions. [2022-07-13 11:44:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:52,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 186 [2022-07-13 11:44:52,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:52,496 INFO L225 Difference]: With dead ends: 2132 [2022-07-13 11:44:52,496 INFO L226 Difference]: Without dead ends: 1137 [2022-07-13 11:44:52,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:52,497 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 110 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:52,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 221 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 11:44:52,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2022-07-13 11:44:52,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137. [2022-07-13 11:44:52,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1136 states have (on average 1.1161971830985915) internal successors, (1268), 1136 states have internal predecessors, (1268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1268 transitions. [2022-07-13 11:44:52,511 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1268 transitions. Word has length 186 [2022-07-13 11:44:52,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:52,512 INFO L495 AbstractCegarLoop]: Abstraction has 1137 states and 1268 transitions. [2022-07-13 11:44:52,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1268 transitions. [2022-07-13 11:44:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-13 11:44:52,514 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:52,514 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:44:52,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 11:44:52,516 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:52,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:52,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1773051462, now seen corresponding path program 1 times [2022-07-13 11:44:52,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:52,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713986808] [2022-07-13 11:44:52,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:52,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-07-13 11:44:52,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:52,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713986808] [2022-07-13 11:44:52,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713986808] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:52,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:52,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:44:52,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111498490] [2022-07-13 11:44:52,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:52,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:52,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:52,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:52,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:52,571 INFO L87 Difference]: Start difference. First operand 1137 states and 1268 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:52,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:52,857 INFO L93 Difference]: Finished difference Result 2554 states and 2896 transitions. [2022-07-13 11:44:52,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:52,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 207 [2022-07-13 11:44:52,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:52,861 INFO L225 Difference]: With dead ends: 2554 [2022-07-13 11:44:52,861 INFO L226 Difference]: Without dead ends: 1559 [2022-07-13 11:44:52,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:52,863 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 129 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:52,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 189 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 11:44:52,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2022-07-13 11:44:52,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1558. [2022-07-13 11:44:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1557 states have (on average 1.1201027617212589) internal successors, (1744), 1557 states have internal predecessors, (1744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:52,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 1744 transitions. [2022-07-13 11:44:52,883 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 1744 transitions. Word has length 207 [2022-07-13 11:44:52,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:52,883 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 1744 transitions. [2022-07-13 11:44:52,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1744 transitions. [2022-07-13 11:44:52,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-07-13 11:44:52,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:52,887 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-07-13 11:44:52,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 11:44:52,887 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:52,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:52,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1218669877, now seen corresponding path program 1 times [2022-07-13 11:44:52,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:52,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344353178] [2022-07-13 11:44:52,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:52,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-13 11:44:52,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:52,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344353178] [2022-07-13 11:44:52,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344353178] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:52,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:52,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:44:52,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237639248] [2022-07-13 11:44:52,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:52,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:52,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:52,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:52,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:52,971 INFO L87 Difference]: Start difference. First operand 1558 states and 1744 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:53,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:53,231 INFO L93 Difference]: Finished difference Result 3673 states and 4130 transitions. [2022-07-13 11:44:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:53,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 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 220 [2022-07-13 11:44:53,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:53,237 INFO L225 Difference]: With dead ends: 3673 [2022-07-13 11:44:53,237 INFO L226 Difference]: Without dead ends: 2257 [2022-07-13 11:44:53,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:53,239 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 147 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:53,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 35 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 11:44:53,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2022-07-13 11:44:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 1697. [2022-07-13 11:44:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1696 states have (on average 1.1314858490566038) internal successors, (1919), 1696 states have internal predecessors, (1919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 1919 transitions. [2022-07-13 11:44:53,279 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 1919 transitions. Word has length 220 [2022-07-13 11:44:53,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:53,280 INFO L495 AbstractCegarLoop]: Abstraction has 1697 states and 1919 transitions. [2022-07-13 11:44:53,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 1919 transitions. [2022-07-13 11:44:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-13 11:44:53,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:53,283 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:44:53,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 11:44:53,283 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:53,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:53,284 INFO L85 PathProgramCache]: Analyzing trace with hash -400913256, now seen corresponding path program 1 times [2022-07-13 11:44:53,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:53,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910557423] [2022-07-13 11:44:53,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:53,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-13 11:44:53,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:53,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910557423] [2022-07-13 11:44:53,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910557423] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:53,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:53,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:44:53,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248675113] [2022-07-13 11:44:53,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:53,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:53,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:53,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:53,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:53,333 INFO L87 Difference]: Start difference. First operand 1697 states and 1919 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:53,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:53,595 INFO L93 Difference]: Finished difference Result 3812 states and 4303 transitions. [2022-07-13 11:44:53,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:53,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 222 [2022-07-13 11:44:53,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:53,598 INFO L225 Difference]: With dead ends: 3812 [2022-07-13 11:44:53,598 INFO L226 Difference]: Without dead ends: 1133 [2022-07-13 11:44:53,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:44:53,601 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 96 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:53,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 229 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 11:44:53,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2022-07-13 11:44:53,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1133. [2022-07-13 11:44:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 1132 states have (on average 1.0556537102473498) internal successors, (1195), 1132 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1195 transitions. [2022-07-13 11:44:53,614 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1195 transitions. Word has length 222 [2022-07-13 11:44:53,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:53,614 INFO L495 AbstractCegarLoop]: Abstraction has 1133 states and 1195 transitions. [2022-07-13 11:44:53,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1195 transitions. [2022-07-13 11:44:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-07-13 11:44:53,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:53,617 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:44:53,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 11:44:53,617 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:53,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:53,618 INFO L85 PathProgramCache]: Analyzing trace with hash 410211478, now seen corresponding path program 1 times [2022-07-13 11:44:53,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:53,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825931313] [2022-07-13 11:44:53,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:53,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:53,700 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:44:53,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:53,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825931313] [2022-07-13 11:44:53,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825931313] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:53,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:44:53,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 11:44:53,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069566578] [2022-07-13 11:44:53,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:53,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 11:44:53,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:53,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 11:44:53,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 11:44:53,703 INFO L87 Difference]: Start difference. First operand 1133 states and 1195 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:54,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:54,100 INFO L93 Difference]: Finished difference Result 2126 states and 2249 transitions. [2022-07-13 11:44:54,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 11:44:54,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 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 233 [2022-07-13 11:44:54,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:54,103 INFO L225 Difference]: With dead ends: 2126 [2022-07-13 11:44:54,103 INFO L226 Difference]: Without dead ends: 1135 [2022-07-13 11:44:54,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 11:44:54,104 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 249 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:54,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 220 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 11:44:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-07-13 11:44:54,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1133. [2022-07-13 11:44:54,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 1132 states have (on average 1.0530035335689045) internal successors, (1192), 1132 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1192 transitions. [2022-07-13 11:44:54,116 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1192 transitions. Word has length 233 [2022-07-13 11:44:54,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:54,117 INFO L495 AbstractCegarLoop]: Abstraction has 1133 states and 1192 transitions. [2022-07-13 11:44:54,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:54,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1192 transitions. [2022-07-13 11:44:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-07-13 11:44:54,119 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:44:54,120 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:44:54,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-13 11:44:54,120 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:44:54,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:44:54,120 INFO L85 PathProgramCache]: Analyzing trace with hash -497520636, now seen corresponding path program 1 times [2022-07-13 11:44:54,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:44:54,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250142172] [2022-07-13 11:44:54,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:54,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:44:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:54,248 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 93 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:44:54,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:44:54,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250142172] [2022-07-13 11:44:54,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250142172] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 11:44:54,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448162437] [2022-07-13 11:44:54,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:44:54,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 11:44:54,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:44:54,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 11:44:54,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 11:44:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:44:54,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 11:44:54,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 11:44:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-07-13 11:44:54,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 11:44:54,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448162437] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:44:54,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 11:44:54,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-13 11:44:54,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199321441] [2022-07-13 11:44:54,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:44:54,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:44:54,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:44:54,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:44:54,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-13 11:44:54,696 INFO L87 Difference]: Start difference. First operand 1133 states and 1192 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:54,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:44:54,827 INFO L93 Difference]: Finished difference Result 2121 states and 2238 transitions. [2022-07-13 11:44:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:44:54,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 265 [2022-07-13 11:44:54,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:44:54,828 INFO L225 Difference]: With dead ends: 2121 [2022-07-13 11:44:54,828 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 11:44:54,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-07-13 11:44:54,830 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 35 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 11:44:54,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 13 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 11:44:54,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 11:44:54,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 11:44:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 11:44:54,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 265 [2022-07-13 11:44:54,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:44:54,832 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 11:44:54,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:44:54,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 11:44:54,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 11:44:54,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 11:44:54,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 11:44:55,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-13 11:44:55,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 11:44:55,441 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,442 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,442 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,442 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-07-13 11:44:55,442 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-07-13 11:44:55,442 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-07-13 11:44:55,442 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-07-13 11:44:55,443 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,444 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-07-13 11:44:55,445 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-07-13 11:44:55,446 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 587) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-07-13 11:44:55,447 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-07-13 11:44:55,448 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-07-13 11:44:55,449 INFO L895 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse9 (= ~a11~0 1))) (let ((.cse4 (<= 10 ~a28~0)) (.cse0 (<= 8 ~a17~0)) (.cse7 (not .cse9)) (.cse6 (= ~a25~0 1)) (.cse8 (<= 9 ~a28~0)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10)) (.cse5 (= ~a19~0 1)) (.cse3 (= ~a25~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse5) (and (<= 11 ~a28~0) .cse6 .cse1 .cse5 .cse7) (and (= ~a25~0 ~a11~0) .cse6 .cse1 .cse5 (<= ~a28~0 7)) (and .cse8 .cse6 .cse9 .cse1 .cse2) (and .cse4 .cse9 .cse1 .cse2 .cse3) (and .cse6 .cse0 .cse1 .cse2 .cse7) (and .cse8 .cse6 .cse1 .cse2 .cse5) (and .cse8 .cse9 .cse1 .cse2 .cse5 .cse3)))) [2022-07-13 11:44:55,449 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L902 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,450 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,451 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-07-13 11:44:55,451 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-07-13 11:44:55,451 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-07-13 11:44:55,451 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-07-13 11:44:55,451 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 11:44:55,451 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-07-13 11:44:55,454 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-07-13 11:44:55,454 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse9 (= ~a11~0 1))) (let ((.cse4 (<= 10 ~a28~0)) (.cse0 (<= 8 ~a17~0)) (.cse7 (not .cse9)) (.cse6 (= ~a25~0 1)) (.cse8 (<= 9 ~a28~0)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10)) (.cse5 (= ~a19~0 1)) (.cse3 (= ~a25~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse5) (and (<= 11 ~a28~0) .cse6 .cse1 .cse5 .cse7) (and (= ~a25~0 ~a11~0) .cse6 .cse1 .cse5 (<= ~a28~0 7)) (and .cse8 .cse6 .cse9 .cse1 .cse2) (and .cse4 .cse9 .cse1 .cse2 .cse3) (and .cse6 .cse0 .cse1 .cse2 .cse7) (and .cse8 .cse6 .cse1 .cse2 .cse5) (and .cse8 .cse9 .cse1 .cse2 .cse5 .cse3)))) [2022-07-13 11:44:55,455 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,455 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,455 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-07-13 11:44:55,455 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-07-13 11:44:55,455 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-07-13 11:44:55,455 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-07-13 11:44:55,455 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-07-13 11:44:55,455 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,455 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,456 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-07-13 11:44:55,456 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-07-13 11:44:55,456 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-07-13 11:44:55,456 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-07-13 11:44:55,456 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-07-13 11:44:55,456 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-07-13 11:44:55,456 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-07-13 11:44:55,456 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-07-13 11:44:55,456 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-07-13 11:44:55,457 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,457 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,457 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-07-13 11:44:55,457 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 11:44:55,457 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-07-13 11:44:55,457 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-07-13 11:44:55,457 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-07-13 11:44:55,457 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-07-13 11:44:55,458 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-07-13 11:44:55,458 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-07-13 11:44:55,458 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,458 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,458 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,458 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-07-13 11:44:55,458 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-07-13 11:44:55,458 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-07-13 11:44:55,458 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-07-13 11:44:55,458 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-07-13 11:44:55,459 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,459 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,459 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-07-13 11:44:55,459 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-07-13 11:44:55,459 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-07-13 11:44:55,459 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-07-13 11:44:55,459 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-07-13 11:44:55,459 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-07-13 11:44:55,459 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-07-13 11:44:55,462 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:44:55,464 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 11:44:55,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:44:55 BoogieIcfgContainer [2022-07-13 11:44:55,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 11:44:55,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 11:44:55,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 11:44:55,486 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 11:44:55,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:44:48" (3/4) ... [2022-07-13 11:44:55,488 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 11:44:55,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 11:44:55,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 11:44:55,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 11:44:55,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 11:44:55,564 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 11:44:55,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 11:44:55,564 INFO L158 Benchmark]: Toolchain (without parser) took 7806.40ms. Allocated memory was 94.4MB in the beginning and 245.4MB in the end (delta: 151.0MB). Free memory was 55.4MB in the beginning and 190.5MB in the end (delta: -135.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-07-13 11:44:55,565 INFO L158 Benchmark]: CDTParser took 12.74ms. Allocated memory is still 94.4MB. Free memory was 73.4MB in the beginning and 73.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 11:44:55,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.83ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 54.2MB in the end (delta: 953.8kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 11:44:55,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.04ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 48.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 11:44:55,565 INFO L158 Benchmark]: Boogie Preprocessor took 51.68ms. Allocated memory is still 94.4MB. Free memory was 48.6MB in the beginning and 44.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 11:44:55,566 INFO L158 Benchmark]: RCFGBuilder took 709.16ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 44.4MB in the beginning and 83.4MB in the end (delta: -39.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-07-13 11:44:55,566 INFO L158 Benchmark]: TraceAbstraction took 6523.87ms. Allocated memory was 113.2MB in the beginning and 245.4MB in the end (delta: 132.1MB). Free memory was 83.4MB in the beginning and 201.0MB in the end (delta: -117.6MB). Peak memory consumption was 131.7MB. Max. memory is 16.1GB. [2022-07-13 11:44:55,566 INFO L158 Benchmark]: Witness Printer took 78.16ms. Allocated memory is still 245.4MB. Free memory was 201.0MB in the beginning and 190.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 11:44:55,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 12.74ms. Allocated memory is still 94.4MB. Free memory was 73.4MB in the beginning and 73.4MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.83ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 54.2MB in the end (delta: 953.8kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.04ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 48.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.68ms. Allocated memory is still 94.4MB. Free memory was 48.6MB in the beginning and 44.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 709.16ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 44.4MB in the beginning and 83.4MB in the end (delta: -39.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6523.87ms. Allocated memory was 113.2MB in the beginning and 245.4MB in the end (delta: 132.1MB). Free memory was 83.4MB in the beginning and 201.0MB in the end (delta: -117.6MB). Peak memory consumption was 131.7MB. Max. memory is 16.1GB. * Witness Printer took 78.16ms. Allocated memory is still 245.4MB. Free memory was 201.0MB in the beginning and 190.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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: 587]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1780 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1780 mSDsluCounter, 1740 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 172 mSDsCounter, 616 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4536 IncrementalHoareTripleChecker+Invalid, 5152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 616 mSolverCounterUnsat, 1568 mSDtfsCounter, 4536 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 302 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1697occurred in iteration=10, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 715 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 289 HoareAnnotationTreeSize, 3 FomulaSimplifications, 64 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 838 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2691 NumberOfCodeBlocks, 2691 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2677 ConstructedInterpolants, 0 QuantifiedInterpolants, 7297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 1085/1186 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: 616]: Loop Invariant Derived loop invariant: ((((((((((8 <= a17 && a17 <= 8) && a28 <= 10) && a25 == 0) || (((10 <= a28 && a17 <= 8) && a28 <= 10) && a19 == 1)) || ((((11 <= a28 && a25 == 1) && a17 <= 8) && a19 == 1) && !(a11 == 1))) || ((((a25 == a11 && a25 == 1) && a17 <= 8) && a19 == 1) && a28 <= 7)) || ((((9 <= a28 && a25 == 1) && a11 == 1) && a17 <= 8) && a28 <= 10)) || ((((10 <= a28 && a11 == 1) && a17 <= 8) && a28 <= 10) && a25 == 0)) || ((((a25 == 1 && 8 <= a17) && a17 <= 8) && a28 <= 10) && !(a11 == 1))) || ((((9 <= a28 && a25 == 1) && a17 <= 8) && a28 <= 10) && a19 == 1)) || (((((9 <= a28 && a11 == 1) && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 == 0) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((8 <= a17 && a17 <= 8) && a28 <= 10) && a25 == 0) || (((10 <= a28 && a17 <= 8) && a28 <= 10) && a19 == 1)) || ((((11 <= a28 && a25 == 1) && a17 <= 8) && a19 == 1) && !(a11 == 1))) || ((((a25 == a11 && a25 == 1) && a17 <= 8) && a19 == 1) && a28 <= 7)) || ((((9 <= a28 && a25 == 1) && a11 == 1) && a17 <= 8) && a28 <= 10)) || ((((10 <= a28 && a11 == 1) && a17 <= 8) && a28 <= 10) && a25 == 0)) || ((((a25 == 1 && 8 <= a17) && a17 <= 8) && a28 <= 10) && !(a11 == 1))) || ((((9 <= a28 && a25 == 1) && a17 <= 8) && a28 <= 10) && a19 == 1)) || (((((9 <= a28 && a11 == 1) && a17 <= 8) && a28 <= 10) && a19 == 1) && a25 == 0) RESULT: Ultimate proved your program to be correct! [2022-07-13 11:44:55,625 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