./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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/Problem14_label20.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 c330b8ebae05cb74daff6aa4e68e83c555fb1d02 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:45:29,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:45:29,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:45:29,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:45:29,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:45:29,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:45:29,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:45:29,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:45:29,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:45:29,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:45:29,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:45:29,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:45:29,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:45:29,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:45:29,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:45:29,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:45:29,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:45:29,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:45:29,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:45:29,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:45:29,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:45:29,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:45:29,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:45:29,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:45:29,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:45:29,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:45:29,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:45:29,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:45:29,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:45:29,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:45:29,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:45:29,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:45:29,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:45:29,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:45:29,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:45:29,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:45:29,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:45:29,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:45:29,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:45:29,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:45:29,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:45:29,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:45:29,370 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:45:29,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:45:29,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:45:29,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:45:29,373 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:45:29,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:45:29,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:45:29,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:45:29,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:45:29,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:45:29,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:45:29,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:45:29,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:45:29,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:45:29,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:45:29,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:45:29,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:45:29,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:45:29,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:45:29,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:45:29,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:45:29,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:45:29,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:45:29,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:45:29,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:45:29,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:45:29,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:45:29,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:45:29,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:45:29,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c330b8ebae05cb74daff6aa4e68e83c555fb1d02 [2020-10-25 20:45:29,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:45:29,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:45:29,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:45:29,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:45:29,819 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:45:29,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2020-10-25 20:45:29,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb76739d/2088f9ddcd364ea2b2ef6e66f5df745b/FLAGd1864ebc1 [2020-10-25 20:45:30,711 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:45:30,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2020-10-25 20:45:30,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb76739d/2088f9ddcd364ea2b2ef6e66f5df745b/FLAGd1864ebc1 [2020-10-25 20:45:30,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deb76739d/2088f9ddcd364ea2b2ef6e66f5df745b [2020-10-25 20:45:30,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:45:30,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:45:30,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:45:30,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:45:30,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:45:30,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:45:30" (1/1) ... [2020-10-25 20:45:30,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c1f874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:30, skipping insertion in model container [2020-10-25 20:45:30,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:45:30" (1/1) ... [2020-10-25 20:45:30,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:45:31,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:45:31,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:45:31,565 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:45:31,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:45:31,722 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:45:31,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31 WrapperNode [2020-10-25 20:45:31,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:45:31,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:45:31,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:45:31,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:45:31,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (1/1) ... [2020-10-25 20:45:31,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (1/1) ... [2020-10-25 20:45:31,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:45:31,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:45:31,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:45:31,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:45:31,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (1/1) ... [2020-10-25 20:45:31,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (1/1) ... [2020-10-25 20:45:31,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (1/1) ... [2020-10-25 20:45:31,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (1/1) ... [2020-10-25 20:45:31,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (1/1) ... [2020-10-25 20:45:31,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (1/1) ... [2020-10-25 20:45:31,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (1/1) ... [2020-10-25 20:45:31,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:45:31,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:45:31,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:45:31,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:45:31,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:45:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:45:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:45:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:45:32,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:45:34,008 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:45:34,009 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:45:34,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:45:34 BoogieIcfgContainer [2020-10-25 20:45:34,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:45:34,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:45:34,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:45:34,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:45:34,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:45:30" (1/3) ... [2020-10-25 20:45:34,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb94d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:45:34, skipping insertion in model container [2020-10-25 20:45:34,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:45:31" (2/3) ... [2020-10-25 20:45:34,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eb94d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:45:34, skipping insertion in model container [2020-10-25 20:45:34,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:45:34" (3/3) ... [2020-10-25 20:45:34,031 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label20.c [2020-10-25 20:45:34,045 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:45:34,052 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:45:34,068 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:45:34,109 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:45:34,109 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:45:34,109 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:45:34,109 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:45:34,110 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:45:34,110 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:45:34,110 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:45:34,110 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:45:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-10-25 20:45:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-25 20:45:34,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:34,144 INFO L422 BasicCegarLoop]: 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] [2020-10-25 20:45:34,145 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:34,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:34,152 INFO L82 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2020-10-25 20:45:34,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:34,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100725231] [2020-10-25 20:45:34,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:34,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:45:34,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100725231] [2020-10-25 20:45:34,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:34,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:45:34,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784403806] [2020-10-25 20:45:34,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:34,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:34,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:34,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:45:34,530 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-10-25 20:45:36,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:36,088 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-10-25 20:45:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:36,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-10-25 20:45:36,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:36,114 INFO L225 Difference]: With dead ends: 670 [2020-10-25 20:45:36,115 INFO L226 Difference]: Without dead ends: 360 [2020-10-25 20:45:36,121 INFO L677 BasicCegarLoop]: 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 [2020-10-25 20:45:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-25 20:45:36,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-10-25 20:45:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-25 20:45:36,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-10-25 20:45:36,247 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 60 [2020-10-25 20:45:36,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:36,249 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-10-25 20:45:36,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-10-25 20:45:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-25 20:45:36,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:36,264 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:45:36,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:45:36,267 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:36,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:36,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1575520966, now seen corresponding path program 1 times [2020-10-25 20:45:36,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:36,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947740268] [2020-10-25 20:45:36,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:45:36,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947740268] [2020-10-25 20:45:36,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:36,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:45:36,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510445939] [2020-10-25 20:45:36,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:36,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:36,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:36,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:45:36,534 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-10-25 20:45:37,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:37,775 INFO L93 Difference]: Finished difference Result 1076 states and 1760 transitions. [2020-10-25 20:45:37,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:37,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-10-25 20:45:37,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:37,786 INFO L225 Difference]: With dead ends: 1076 [2020-10-25 20:45:37,786 INFO L226 Difference]: Without dead ends: 718 [2020-10-25 20:45:37,789 INFO L677 BasicCegarLoop]: 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 [2020-10-25 20:45:37,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-10-25 20:45:37,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716. [2020-10-25 20:45:37,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-10-25 20:45:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 1017 transitions. [2020-10-25 20:45:37,856 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 1017 transitions. Word has length 125 [2020-10-25 20:45:37,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:37,857 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 1017 transitions. [2020-10-25 20:45:37,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1017 transitions. [2020-10-25 20:45:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-25 20:45:37,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:37,864 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:45:37,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:45:37,864 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:37,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:37,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1977703889, now seen corresponding path program 1 times [2020-10-25 20:45:37,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:37,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869100672] [2020-10-25 20:45:37,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:45:38,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869100672] [2020-10-25 20:45:38,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:38,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:45:38,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256522573] [2020-10-25 20:45:38,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:38,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:38,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:38,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:45:38,091 INFO L87 Difference]: Start difference. First operand 716 states and 1017 transitions. Second operand 3 states. [2020-10-25 20:45:39,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:39,286 INFO L93 Difference]: Finished difference Result 1608 states and 2324 transitions. [2020-10-25 20:45:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:39,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-10-25 20:45:39,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:39,294 INFO L225 Difference]: With dead ends: 1608 [2020-10-25 20:45:39,294 INFO L226 Difference]: Without dead ends: 894 [2020-10-25 20:45:39,298 INFO L677 BasicCegarLoop]: 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 [2020-10-25 20:45:39,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-25 20:45:39,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-10-25 20:45:39,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-10-25 20:45:39,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1189 transitions. [2020-10-25 20:45:39,378 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1189 transitions. Word has length 126 [2020-10-25 20:45:39,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:39,379 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1189 transitions. [2020-10-25 20:45:39,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1189 transitions. [2020-10-25 20:45:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-25 20:45:39,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:39,391 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:45:39,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:45:39,391 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:39,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:39,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1046363984, now seen corresponding path program 1 times [2020-10-25 20:45:39,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:39,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340582434] [2020-10-25 20:45:39,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:45:39,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340582434] [2020-10-25 20:45:39,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:39,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:45:39,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080755483] [2020-10-25 20:45:39,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:45:39,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:39,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:45:39,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:45:39,623 INFO L87 Difference]: Start difference. First operand 894 states and 1189 transitions. Second operand 4 states. [2020-10-25 20:45:41,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:41,218 INFO L93 Difference]: Finished difference Result 2144 states and 2782 transitions. [2020-10-25 20:45:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:45:41,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2020-10-25 20:45:41,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:41,227 INFO L225 Difference]: With dead ends: 2144 [2020-10-25 20:45:41,227 INFO L226 Difference]: Without dead ends: 1252 [2020-10-25 20:45:41,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:45:41,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-10-25 20:45:41,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-10-25 20:45:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-10-25 20:45:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1570 transitions. [2020-10-25 20:45:41,267 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1570 transitions. Word has length 129 [2020-10-25 20:45:41,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:41,268 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1570 transitions. [2020-10-25 20:45:41,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:45:41,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1570 transitions. [2020-10-25 20:45:41,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-25 20:45:41,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:41,271 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:45:41,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:45:41,272 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:41,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:41,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1047648434, now seen corresponding path program 1 times [2020-10-25 20:45:41,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:41,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415965784] [2020-10-25 20:45:41,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:45:41,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415965784] [2020-10-25 20:45:41,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:41,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:45:41,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301782204] [2020-10-25 20:45:41,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:45:41,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:41,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:45:41,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:45:41,515 INFO L87 Difference]: Start difference. First operand 1250 states and 1570 transitions. Second operand 4 states. [2020-10-25 20:45:42,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:42,716 INFO L93 Difference]: Finished difference Result 2885 states and 3573 transitions. [2020-10-25 20:45:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:45:42,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-10-25 20:45:42,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:42,724 INFO L225 Difference]: With dead ends: 2885 [2020-10-25 20:45:42,725 INFO L226 Difference]: Without dead ends: 1608 [2020-10-25 20:45:42,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:45:42,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-10-25 20:45:42,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-10-25 20:45:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-10-25 20:45:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1816 transitions. [2020-10-25 20:45:42,768 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1816 transitions. Word has length 140 [2020-10-25 20:45:42,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:42,769 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1816 transitions. [2020-10-25 20:45:42,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:45:42,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1816 transitions. [2020-10-25 20:45:42,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-10-25 20:45:42,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:42,773 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:45:42,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:45:42,774 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:42,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:42,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1753739620, now seen corresponding path program 1 times [2020-10-25 20:45:42,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:42,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391113815] [2020-10-25 20:45:42,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:45:43,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391113815] [2020-10-25 20:45:43,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:43,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:45:43,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882138869] [2020-10-25 20:45:43,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:43,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:43,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:43,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:45:43,102 INFO L87 Difference]: Start difference. First operand 1606 states and 1816 transitions. Second operand 3 states. [2020-10-25 20:45:44,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:44,143 INFO L93 Difference]: Finished difference Result 3922 states and 4494 transitions. [2020-10-25 20:45:44,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:44,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2020-10-25 20:45:44,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:44,155 INFO L225 Difference]: With dead ends: 3922 [2020-10-25 20:45:44,155 INFO L226 Difference]: Without dead ends: 2318 [2020-10-25 20:45:44,158 INFO L677 BasicCegarLoop]: 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 [2020-10-25 20:45:44,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-10-25 20:45:44,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2020-10-25 20:45:44,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-10-25 20:45:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2579 transitions. [2020-10-25 20:45:44,222 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2579 transitions. Word has length 234 [2020-10-25 20:45:44,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:44,228 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2579 transitions. [2020-10-25 20:45:44,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2579 transitions. [2020-10-25 20:45:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-10-25 20:45:44,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:44,235 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2020-10-25 20:45:44,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 20:45:44,236 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:44,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:44,237 INFO L82 PathProgramCache]: Analyzing trace with hash 86100119, now seen corresponding path program 1 times [2020-10-25 20:45:44,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:44,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758348435] [2020-10-25 20:45:44,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-10-25 20:45:44,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758348435] [2020-10-25 20:45:44,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:44,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:45:44,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035578974] [2020-10-25 20:45:44,728 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 20:45:44,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:44,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 20:45:44,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:45:44,730 INFO L87 Difference]: Start difference. First operand 2318 states and 2579 transitions. Second operand 4 states. [2020-10-25 20:45:45,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:45,834 INFO L93 Difference]: Finished difference Result 4692 states and 5238 transitions. [2020-10-25 20:45:45,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 20:45:45,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 351 [2020-10-25 20:45:45,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:45,846 INFO L225 Difference]: With dead ends: 4692 [2020-10-25 20:45:45,847 INFO L226 Difference]: Without dead ends: 2496 [2020-10-25 20:45:45,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-25 20:45:45,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-10-25 20:45:45,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2318. [2020-10-25 20:45:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-10-25 20:45:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2488 transitions. [2020-10-25 20:45:45,902 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2488 transitions. Word has length 351 [2020-10-25 20:45:45,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:45,903 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2488 transitions. [2020-10-25 20:45:45,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 20:45:45,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2488 transitions. [2020-10-25 20:45:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2020-10-25 20:45:45,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:45,913 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2020-10-25 20:45:45,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:45:45,913 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:45,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:45,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1832877700, now seen corresponding path program 1 times [2020-10-25 20:45:45,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:45,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753092895] [2020-10-25 20:45:45,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-25 20:45:46,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753092895] [2020-10-25 20:45:46,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:46,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:45:46,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676071912] [2020-10-25 20:45:46,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:46,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:46,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:46,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:45:46,345 INFO L87 Difference]: Start difference. First operand 2318 states and 2488 transitions. Second operand 3 states. [2020-10-25 20:45:47,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:47,236 INFO L93 Difference]: Finished difference Result 4812 states and 5232 transitions. [2020-10-25 20:45:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:47,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 446 [2020-10-25 20:45:47,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:47,247 INFO L225 Difference]: With dead ends: 4812 [2020-10-25 20:45:47,248 INFO L226 Difference]: Without dead ends: 2674 [2020-10-25 20:45:47,251 INFO L677 BasicCegarLoop]: 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 [2020-10-25 20:45:47,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-25 20:45:47,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2140. [2020-10-25 20:45:47,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-10-25 20:45:47,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2296 transitions. [2020-10-25 20:45:47,296 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2296 transitions. Word has length 446 [2020-10-25 20:45:47,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:47,297 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2296 transitions. [2020-10-25 20:45:47,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2296 transitions. [2020-10-25 20:45:47,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2020-10-25 20:45:47,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:47,308 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:45:47,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:45:47,308 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:47,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:47,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1552930233, now seen corresponding path program 1 times [2020-10-25 20:45:47,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:47,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872565217] [2020-10-25 20:45:47,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 751 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-25 20:45:47,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872565217] [2020-10-25 20:45:47,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:47,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:45:47,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841524236] [2020-10-25 20:45:47,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:47,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:47,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:47,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:45:47,754 INFO L87 Difference]: Start difference. First operand 2140 states and 2296 transitions. Second operand 3 states. [2020-10-25 20:45:48,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:48,640 INFO L93 Difference]: Finished difference Result 4634 states and 5051 transitions. [2020-10-25 20:45:48,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:48,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 453 [2020-10-25 20:45:48,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:48,653 INFO L225 Difference]: With dead ends: 4634 [2020-10-25 20:45:48,654 INFO L226 Difference]: Without dead ends: 2674 [2020-10-25 20:45:48,657 INFO L677 BasicCegarLoop]: 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 [2020-10-25 20:45:48,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-10-25 20:45:48,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-10-25 20:45:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-10-25 20:45:48,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2665 transitions. [2020-10-25 20:45:48,708 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2665 transitions. Word has length 453 [2020-10-25 20:45:48,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:48,709 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2665 transitions. [2020-10-25 20:45:48,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:48,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2665 transitions. [2020-10-25 20:45:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2020-10-25 20:45:48,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:48,730 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:45:48,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 20:45:48,731 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:48,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:48,731 INFO L82 PathProgramCache]: Analyzing trace with hash -992972656, now seen corresponding path program 1 times [2020-10-25 20:45:48,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:48,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822964524] [2020-10-25 20:45:48,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-10-25 20:45:49,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822964524] [2020-10-25 20:45:49,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:49,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:45:49,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998053179] [2020-10-25 20:45:49,239 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:49,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:49,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:49,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:45:49,240 INFO L87 Difference]: Start difference. First operand 2496 states and 2665 transitions. Second operand 3 states. [2020-10-25 20:45:50,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:50,266 INFO L93 Difference]: Finished difference Result 5524 states and 5979 transitions. [2020-10-25 20:45:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:50,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 608 [2020-10-25 20:45:50,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:50,284 INFO L225 Difference]: With dead ends: 5524 [2020-10-25 20:45:50,284 INFO L226 Difference]: Without dead ends: 3208 [2020-10-25 20:45:50,288 INFO L677 BasicCegarLoop]: 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 [2020-10-25 20:45:50,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-10-25 20:45:50,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-10-25 20:45:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-10-25 20:45:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3231 transitions. [2020-10-25 20:45:50,342 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3231 transitions. Word has length 608 [2020-10-25 20:45:50,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:50,343 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3231 transitions. [2020-10-25 20:45:50,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3231 transitions. [2020-10-25 20:45:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2020-10-25 20:45:50,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:50,350 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:45:50,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 20:45:50,351 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:50,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:50,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1850079459, now seen corresponding path program 1 times [2020-10-25 20:45:50,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:50,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732178000] [2020-10-25 20:45:50,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:50,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 829 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2020-10-25 20:45:50,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732178000] [2020-10-25 20:45:50,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:45:50,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:45:50,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731469136] [2020-10-25 20:45:50,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:50,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:50,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:50,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:45:50,912 INFO L87 Difference]: Start difference. First operand 3030 states and 3231 transitions. Second operand 3 states. [2020-10-25 20:45:51,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:51,794 INFO L93 Difference]: Finished difference Result 6592 states and 7103 transitions. [2020-10-25 20:45:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:51,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 626 [2020-10-25 20:45:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:51,813 INFO L225 Difference]: With dead ends: 6592 [2020-10-25 20:45:51,813 INFO L226 Difference]: Without dead ends: 3742 [2020-10-25 20:45:51,817 INFO L677 BasicCegarLoop]: 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 [2020-10-25 20:45:51,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-10-25 20:45:51,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-10-25 20:45:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-25 20:45:51,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3623 transitions. [2020-10-25 20:45:51,881 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3623 transitions. Word has length 626 [2020-10-25 20:45:51,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:51,883 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3623 transitions. [2020-10-25 20:45:51,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3623 transitions. [2020-10-25 20:45:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2020-10-25 20:45:51,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:51,890 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:45:51,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:45:51,891 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:51,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:51,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1127177277, now seen corresponding path program 1 times [2020-10-25 20:45:51,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:51,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548286082] [2020-10-25 20:45:51,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 932 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-25 20:45:52,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548286082] [2020-10-25 20:45:52,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944815416] [2020-10-25 20:45:52,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:45:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:52,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:45:52,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:45:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1356 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-10-25 20:45:53,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:45:53,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 20:45:53,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112398395] [2020-10-25 20:45:53,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:53,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:53,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:53,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:45:53,092 INFO L87 Difference]: Start difference. First operand 3386 states and 3623 transitions. Second operand 3 states. [2020-10-25 20:45:54,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:54,098 INFO L93 Difference]: Finished difference Result 7660 states and 8185 transitions. [2020-10-25 20:45:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:54,099 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 649 [2020-10-25 20:45:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:54,117 INFO L225 Difference]: With dead ends: 7660 [2020-10-25 20:45:54,118 INFO L226 Difference]: Without dead ends: 3564 [2020-10-25 20:45:54,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:45:54,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-10-25 20:45:54,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-10-25 20:45:54,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-25 20:45:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3601 transitions. [2020-10-25 20:45:54,230 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3601 transitions. Word has length 649 [2020-10-25 20:45:54,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:54,232 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3601 transitions. [2020-10-25 20:45:54,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3601 transitions. [2020-10-25 20:45:54,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2020-10-25 20:45:54,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:54,249 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:45:54,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-25 20:45:54,464 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:54,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:54,464 INFO L82 PathProgramCache]: Analyzing trace with hash 337798766, now seen corresponding path program 1 times [2020-10-25 20:45:54,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:54,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883669336] [2020-10-25 20:45:54,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1871 backedges. 1344 proven. 155 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2020-10-25 20:45:55,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883669336] [2020-10-25 20:45:55,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534282539] [2020-10-25 20:45:55,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:45:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:55,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:45:55,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:45:56,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1871 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-10-25 20:45:56,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:45:56,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 20:45:56,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593868858] [2020-10-25 20:45:56,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:56,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:56,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:56,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:45:56,325 INFO L87 Difference]: Start difference. First operand 3386 states and 3601 transitions. Second operand 3 states. [2020-10-25 20:45:57,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:45:57,286 INFO L93 Difference]: Finished difference Result 4278 states and 4539 transitions. [2020-10-25 20:45:57,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:45:57,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 796 [2020-10-25 20:45:57,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:45:57,309 INFO L225 Difference]: With dead ends: 4278 [2020-10-25 20:45:57,309 INFO L226 Difference]: Without dead ends: 4276 [2020-10-25 20:45:57,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 796 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:45:57,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-10-25 20:45:57,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-10-25 20:45:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-10-25 20:45:57,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-10-25 20:45:57,381 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 796 [2020-10-25 20:45:57,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:45:57,383 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-10-25 20:45:57,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:45:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-10-25 20:45:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2020-10-25 20:45:57,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:45:57,397 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:45:57,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-10-25 20:45:57,612 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:45:57,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:45:57,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1612384946, now seen corresponding path program 1 times [2020-10-25 20:45:57,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:45:57,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581215169] [2020-10-25 20:45:57,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:45:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:58,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2425 backedges. 1815 proven. 110 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2020-10-25 20:45:58,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581215169] [2020-10-25 20:45:58,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047886331] [2020-10-25 20:45:58,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:45:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:45:58,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:45:58,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:45:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2425 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-10-25 20:45:59,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:45:59,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-25 20:45:59,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105100725] [2020-10-25 20:45:59,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:45:59,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:45:59,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:45:59,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:45:59,176 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-10-25 20:46:00,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:46:00,092 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-10-25 20:46:00,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:46:00,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 827 [2020-10-25 20:46:00,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:46:00,095 INFO L225 Difference]: With dead ends: 7302 [2020-10-25 20:46:00,095 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:46:00,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 830 GetRequests, 827 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:46:00,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:46:00,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:46:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:46:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:46:00,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 827 [2020-10-25 20:46:00,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:46:00,103 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:46:00,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:46:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:46:00,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:46:00,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-25 20:46:00,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:46:00,565 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-10-25 20:46:00,777 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-10-25 20:46:00,781 INFO L274 CegarLoopResult]: For program point L696(lines 696 872) no Hoare annotation was computed. [2020-10-25 20:46:00,781 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-25 20:46:00,781 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-25 20:46:00,782 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-25 20:46:00,782 INFO L274 CegarLoopResult]: For program point L301(lines 301 872) no Hoare annotation was computed. [2020-10-25 20:46:00,782 INFO L274 CegarLoopResult]: For program point L434(lines 434 872) no Hoare annotation was computed. [2020-10-25 20:46:00,782 INFO L274 CegarLoopResult]: For program point L368(lines 368 872) no Hoare annotation was computed. [2020-10-25 20:46:00,782 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,782 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,782 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,782 INFO L274 CegarLoopResult]: For program point L237(lines 237 872) no Hoare annotation was computed. [2020-10-25 20:46:00,782 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-25 20:46:00,782 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-25 20:46:00,783 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-25 20:46:00,783 INFO L274 CegarLoopResult]: For program point L766(lines 766 872) no Hoare annotation was computed. [2020-10-25 20:46:00,783 INFO L274 CegarLoopResult]: For program point L634(lines 634 872) no Hoare annotation was computed. [2020-10-25 20:46:00,783 INFO L274 CegarLoopResult]: For program point L502(lines 502 872) no Hoare annotation was computed. [2020-10-25 20:46:00,783 INFO L274 CegarLoopResult]: For program point L833(lines 833 872) no Hoare annotation was computed. [2020-10-25 20:46:00,784 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,784 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,784 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,784 INFO L274 CegarLoopResult]: For program point L702(lines 702 872) no Hoare annotation was computed. [2020-10-25 20:46:00,784 INFO L274 CegarLoopResult]: For program point L570(lines 570 872) no Hoare annotation was computed. [2020-10-25 20:46:00,785 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-25 20:46:00,785 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-25 20:46:00,785 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-25 20:46:00,785 INFO L274 CegarLoopResult]: For program point L307(lines 307 872) no Hoare annotation was computed. [2020-10-25 20:46:00,785 INFO L274 CegarLoopResult]: For program point L440(lines 440 872) no Hoare annotation was computed. [2020-10-25 20:46:00,785 INFO L274 CegarLoopResult]: For program point L374(lines 374 872) no Hoare annotation was computed. [2020-10-25 20:46:00,786 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,786 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,786 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,786 INFO L274 CegarLoopResult]: For program point L243(lines 243 872) no Hoare annotation was computed. [2020-10-25 20:46:00,786 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-25 20:46:00,786 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-25 20:46:00,787 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-25 20:46:00,787 INFO L274 CegarLoopResult]: For program point L640(lines 640 872) no Hoare annotation was computed. [2020-10-25 20:46:00,787 INFO L274 CegarLoopResult]: For program point L508(lines 508 872) no Hoare annotation was computed. [2020-10-25 20:46:00,787 INFO L274 CegarLoopResult]: For program point L839(lines 839 872) no Hoare annotation was computed. [2020-10-25 20:46:00,787 INFO L274 CegarLoopResult]: For program point L773(lines 773 872) no Hoare annotation was computed. [2020-10-25 20:46:00,787 INFO L274 CegarLoopResult]: For program point L575(lines 575 872) no Hoare annotation was computed. [2020-10-25 20:46:00,788 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,788 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,788 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,788 INFO L274 CegarLoopResult]: For program point L708(lines 708 872) no Hoare annotation was computed. [2020-10-25 20:46:00,788 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-25 20:46:00,788 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-25 20:46:00,789 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 20:46:00,789 INFO L274 CegarLoopResult]: For program point L313(lines 313 872) no Hoare annotation was computed. [2020-10-25 20:46:00,789 INFO L274 CegarLoopResult]: For program point L446(lines 446 872) no Hoare annotation was computed. [2020-10-25 20:46:00,789 INFO L274 CegarLoopResult]: For program point L380(lines 380 872) no Hoare annotation was computed. [2020-10-25 20:46:00,789 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,789 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,790 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,790 INFO L274 CegarLoopResult]: For program point L249(lines 249 872) no Hoare annotation was computed. [2020-10-25 20:46:00,790 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-25 20:46:00,790 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-25 20:46:00,790 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-25 20:46:00,790 INFO L274 CegarLoopResult]: For program point L844(lines 844 872) no Hoare annotation was computed. [2020-10-25 20:46:00,791 INFO L274 CegarLoopResult]: For program point L646(lines 646 872) no Hoare annotation was computed. [2020-10-25 20:46:00,791 INFO L274 CegarLoopResult]: For program point L514(lines 514 872) no Hoare annotation was computed. [2020-10-25 20:46:00,791 INFO L274 CegarLoopResult]: For program point L779(lines 779 872) no Hoare annotation was computed. [2020-10-25 20:46:00,791 INFO L274 CegarLoopResult]: For program point L581(lines 581 872) no Hoare annotation was computed. [2020-10-25 20:46:00,791 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,791 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,792 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,792 INFO L274 CegarLoopResult]: For program point L714(lines 714 872) no Hoare annotation was computed. [2020-10-25 20:46:00,792 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-25 20:46:00,792 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-25 20:46:00,792 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-25 20:46:00,792 INFO L274 CegarLoopResult]: For program point L451(lines 451 872) no Hoare annotation was computed. [2020-10-25 20:46:00,792 INFO L274 CegarLoopResult]: For program point L319(lines 319 872) no Hoare annotation was computed. [2020-10-25 20:46:00,793 INFO L274 CegarLoopResult]: For program point L386(lines 386 872) no Hoare annotation was computed. [2020-10-25 20:46:00,793 INFO L274 CegarLoopResult]: For program point L254(lines 254 872) no Hoare annotation was computed. [2020-10-25 20:46:00,793 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,793 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,793 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,793 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-25 20:46:00,794 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-25 20:46:00,794 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-25 20:46:00,794 INFO L274 CegarLoopResult]: For program point L850(lines 850 872) no Hoare annotation was computed. [2020-10-25 20:46:00,794 INFO L274 CegarLoopResult]: For program point L652(lines 652 872) no Hoare annotation was computed. [2020-10-25 20:46:00,794 INFO L274 CegarLoopResult]: For program point L520(lines 520 872) no Hoare annotation was computed. [2020-10-25 20:46:00,794 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:46:00,795 INFO L274 CegarLoopResult]: For program point L785(lines 785 872) no Hoare annotation was computed. [2020-10-25 20:46:00,795 INFO L274 CegarLoopResult]: For program point L587(lines 587 872) no Hoare annotation was computed. [2020-10-25 20:46:00,795 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,795 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,795 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,795 INFO L274 CegarLoopResult]: For program point L720(lines 720 872) no Hoare annotation was computed. [2020-10-25 20:46:00,796 INFO L274 CegarLoopResult]: For program point L456(lines 456 872) no Hoare annotation was computed. [2020-10-25 20:46:00,796 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-25 20:46:00,796 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-25 20:46:00,796 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-25 20:46:00,796 INFO L274 CegarLoopResult]: For program point L325(lines 325 872) no Hoare annotation was computed. [2020-10-25 20:46:00,796 INFO L274 CegarLoopResult]: For program point L392(lines 392 872) no Hoare annotation was computed. [2020-10-25 20:46:00,796 INFO L274 CegarLoopResult]: For program point L260(lines 260 872) no Hoare annotation was computed. [2020-10-25 20:46:00,797 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,797 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,797 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,797 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-25 20:46:00,797 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-25 20:46:00,797 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-25 20:46:00,797 INFO L274 CegarLoopResult]: For program point L856(lines 856 872) no Hoare annotation was computed. [2020-10-25 20:46:00,798 INFO L274 CegarLoopResult]: For program point L658(lines 658 872) no Hoare annotation was computed. [2020-10-25 20:46:00,798 INFO L274 CegarLoopResult]: For program point L526(lines 526 872) no Hoare annotation was computed. [2020-10-25 20:46:00,798 INFO L274 CegarLoopResult]: For program point L791(lines 791 872) no Hoare annotation was computed. [2020-10-25 20:46:00,798 INFO L274 CegarLoopResult]: For program point L593(lines 593 872) no Hoare annotation was computed. [2020-10-25 20:46:00,798 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,798 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,799 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,799 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:46:00,799 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:46:00,799 INFO L274 CegarLoopResult]: For program point L726(lines 726 872) no Hoare annotation was computed. [2020-10-25 20:46:00,799 INFO L274 CegarLoopResult]: For program point L462(lines 462 872) no Hoare annotation was computed. [2020-10-25 20:46:00,799 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-25 20:46:00,800 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-25 20:46:00,800 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-25 20:46:00,800 INFO L274 CegarLoopResult]: For program point L331(lines 331 872) no Hoare annotation was computed. [2020-10-25 20:46:00,800 INFO L274 CegarLoopResult]: For program point L398(lines 398 872) no Hoare annotation was computed. [2020-10-25 20:46:00,800 INFO L274 CegarLoopResult]: For program point L266(lines 266 872) no Hoare annotation was computed. [2020-10-25 20:46:00,800 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,801 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,801 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,801 INFO L274 CegarLoopResult]: For program point L861(lines 861 872) no Hoare annotation was computed. [2020-10-25 20:46:00,801 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-25 20:46:00,801 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-25 20:46:00,801 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-25 20:46:00,801 INFO L274 CegarLoopResult]: For program point L664(lines 664 872) no Hoare annotation was computed. [2020-10-25 20:46:00,802 INFO L274 CegarLoopResult]: For program point L532(lines 532 872) no Hoare annotation was computed. [2020-10-25 20:46:00,802 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:46:00,802 INFO L274 CegarLoopResult]: For program point L797(lines 797 872) no Hoare annotation was computed. [2020-10-25 20:46:00,802 INFO L274 CegarLoopResult]: For program point L599(lines 599 872) no Hoare annotation was computed. [2020-10-25 20:46:00,802 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,802 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,802 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,803 INFO L274 CegarLoopResult]: For program point L732(lines 732 872) no Hoare annotation was computed. [2020-10-25 20:46:00,803 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 20:46:00,803 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-25 20:46:00,803 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-25 20:46:00,803 INFO L274 CegarLoopResult]: For program point L469(lines 469 872) no Hoare annotation was computed. [2020-10-25 20:46:00,803 INFO L274 CegarLoopResult]: For program point L337(lines 337 872) no Hoare annotation was computed. [2020-10-25 20:46:00,804 INFO L274 CegarLoopResult]: For program point L271(lines 271 872) no Hoare annotation was computed. [2020-10-25 20:46:00,804 INFO L274 CegarLoopResult]: For program point L404(lines 404 872) no Hoare annotation was computed. [2020-10-25 20:46:00,804 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,804 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,804 INFO L274 CegarLoopResult]: For program point L867(lines 867 872) no Hoare annotation was computed. [2020-10-25 20:46:00,804 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-25 20:46:00,804 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-25 20:46:00,805 INFO L274 CegarLoopResult]: For program point L670(lines 670 872) no Hoare annotation was computed. [2020-10-25 20:46:00,805 INFO L274 CegarLoopResult]: For program point L538(lines 538 872) no Hoare annotation was computed. [2020-10-25 20:46:00,805 INFO L274 CegarLoopResult]: For program point L803(lines 803 872) no Hoare annotation was computed. [2020-10-25 20:46:00,805 INFO L274 CegarLoopResult]: For program point L737(lines 737 872) no Hoare annotation was computed. [2020-10-25 20:46:00,805 INFO L274 CegarLoopResult]: For program point L605(lines 605 872) no Hoare annotation was computed. [2020-10-25 20:46:00,805 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,805 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,806 INFO L274 CegarLoopResult]: For program point L474(lines 474 872) no Hoare annotation was computed. [2020-10-25 20:46:00,806 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-25 20:46:00,806 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-25 20:46:00,806 INFO L274 CegarLoopResult]: For program point L343(lines 343 872) no Hoare annotation was computed. [2020-10-25 20:46:00,806 INFO L274 CegarLoopResult]: For program point L277(lines 277 872) no Hoare annotation was computed. [2020-10-25 20:46:00,806 INFO L274 CegarLoopResult]: For program point L410(lines 410 872) no Hoare annotation was computed. [2020-10-25 20:46:00,806 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,807 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,807 INFO L270 CegarLoopResult]: At program point L873(lines 22 874) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse0 (<= (+ ~a12~0 49) 0)) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-10-25 20:46:00,807 INFO L274 CegarLoopResult]: For program point L543(lines 543 872) no Hoare annotation was computed. [2020-10-25 20:46:00,807 INFO L274 CegarLoopResult]: For program point L213(lines 213 872) no Hoare annotation was computed. [2020-10-25 20:46:00,808 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-25 20:46:00,808 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-25 20:46:00,808 INFO L274 CegarLoopResult]: For program point L676(lines 676 872) no Hoare annotation was computed. [2020-10-25 20:46:00,808 INFO L274 CegarLoopResult]: For program point L809(lines 809 872) no Hoare annotation was computed. [2020-10-25 20:46:00,808 INFO L274 CegarLoopResult]: For program point L743(lines 743 872) no Hoare annotation was computed. [2020-10-25 20:46:00,808 INFO L274 CegarLoopResult]: For program point L611(lines 611 872) no Hoare annotation was computed. [2020-10-25 20:46:00,809 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,809 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,809 INFO L277 CegarLoopResult]: At program point L876(lines 876 892) the Hoare annotation is: true [2020-10-25 20:46:00,809 INFO L274 CegarLoopResult]: For program point L480(lines 480 872) no Hoare annotation was computed. [2020-10-25 20:46:00,809 INFO L274 CegarLoopResult]: For program point L282(lines 282 872) no Hoare annotation was computed. [2020-10-25 20:46:00,809 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-25 20:46:00,809 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 20:46:00,810 INFO L274 CegarLoopResult]: For program point L679(lines 679 872) no Hoare annotation was computed. [2020-10-25 20:46:00,810 INFO L274 CegarLoopResult]: For program point L349(lines 349 872) no Hoare annotation was computed. [2020-10-25 20:46:00,810 INFO L274 CegarLoopResult]: For program point L416(lines 416 872) no Hoare annotation was computed. [2020-10-25 20:46:00,810 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:46:00,810 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,810 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,810 INFO L274 CegarLoopResult]: For program point L549(lines 549 872) no Hoare annotation was computed. [2020-10-25 20:46:00,811 INFO L274 CegarLoopResult]: For program point L219(lines 219 872) no Hoare annotation was computed. [2020-10-25 20:46:00,811 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-25 20:46:00,811 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 20:46:00,811 INFO L274 CegarLoopResult]: For program point L749(lines 749 872) no Hoare annotation was computed. [2020-10-25 20:46:00,811 INFO L274 CegarLoopResult]: For program point L617(lines 617 872) no Hoare annotation was computed. [2020-10-25 20:46:00,811 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,811 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,812 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-25 20:46:00,812 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,812 INFO L274 CegarLoopResult]: For program point L816(lines 816 872) no Hoare annotation was computed. [2020-10-25 20:46:00,812 INFO L270 CegarLoopResult]: At program point L882-2(lines 882 891) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse0 (<= (+ ~a12~0 49) 0)) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-10-25 20:46:00,812 INFO L274 CegarLoopResult]: For program point L486(lines 486 872) no Hoare annotation was computed. [2020-10-25 20:46:00,813 INFO L274 CegarLoopResult]: For program point L288(lines 288 872) no Hoare annotation was computed. [2020-10-25 20:46:00,813 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-25 20:46:00,813 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-25 20:46:00,813 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-25 20:46:00,813 INFO L274 CegarLoopResult]: For program point L685(lines 685 872) no Hoare annotation was computed. [2020-10-25 20:46:00,813 INFO L274 CegarLoopResult]: For program point L355(lines 355 872) no Hoare annotation was computed. [2020-10-25 20:46:00,813 INFO L274 CegarLoopResult]: For program point L554(lines 554 872) no Hoare annotation was computed. [2020-10-25 20:46:00,814 INFO L274 CegarLoopResult]: For program point L422(lines 422 872) no Hoare annotation was computed. [2020-10-25 20:46:00,814 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,814 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,814 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,814 INFO L274 CegarLoopResult]: For program point L225(lines 225 872) no Hoare annotation was computed. [2020-10-25 20:46:00,814 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-25 20:46:00,814 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 20:46:00,815 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-25 20:46:00,815 INFO L274 CegarLoopResult]: For program point L754(lines 754 872) no Hoare annotation was computed. [2020-10-25 20:46:00,815 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:46:00,815 INFO L274 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-10-25 20:46:00,815 INFO L274 CegarLoopResult]: For program point L821(lines 821 872) no Hoare annotation was computed. [2020-10-25 20:46:00,815 INFO L274 CegarLoopResult]: For program point L623(lines 623 872) no Hoare annotation was computed. [2020-10-25 20:46:00,815 INFO L274 CegarLoopResult]: For program point L557(lines 557 872) no Hoare annotation was computed. [2020-10-25 20:46:00,816 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,816 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,816 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,816 INFO L274 CegarLoopResult]: For program point L690(lines 690 872) no Hoare annotation was computed. [2020-10-25 20:46:00,816 INFO L274 CegarLoopResult]: For program point L492(lines 492 872) no Hoare annotation was computed. [2020-10-25 20:46:00,816 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-25 20:46:00,817 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-25 20:46:00,817 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-25 20:46:00,817 INFO L274 CegarLoopResult]: For program point L361(lines 361 872) no Hoare annotation was computed. [2020-10-25 20:46:00,817 INFO L274 CegarLoopResult]: For program point L295(lines 295 872) no Hoare annotation was computed. [2020-10-25 20:46:00,817 INFO L274 CegarLoopResult]: For program point L428(lines 428 872) no Hoare annotation was computed. [2020-10-25 20:46:00,817 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,818 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,818 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,818 INFO L274 CegarLoopResult]: For program point L231(lines 231 872) no Hoare annotation was computed. [2020-10-25 20:46:00,818 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-25 20:46:00,818 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-25 20:46:00,818 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 20:46:00,819 INFO L274 CegarLoopResult]: For program point L760(lines 760 872) no Hoare annotation was computed. [2020-10-25 20:46:00,819 INFO L274 CegarLoopResult]: For program point L628(lines 628 872) no Hoare annotation was computed. [2020-10-25 20:46:00,819 INFO L274 CegarLoopResult]: For program point L827(lines 827 872) no Hoare annotation was computed. [2020-10-25 20:46:00,819 INFO L274 CegarLoopResult]: For program point L563(lines 563 872) no Hoare annotation was computed. [2020-10-25 20:46:00,819 INFO L274 CegarLoopResult]: For program point L497(lines 497 872) no Hoare annotation was computed. [2020-10-25 20:46:00,819 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,819 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,820 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 874) no Hoare annotation was computed. [2020-10-25 20:46:00,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:46:00 BoogieIcfgContainer [2020-10-25 20:46:00,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:46:00,844 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:46:00,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:46:00,844 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:46:00,845 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:45:34" (3/4) ... [2020-10-25 20:46:00,849 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:46:00,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:46:00,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:46:00,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:46:00,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:46:01,093 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:46:01,093 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:46:01,095 INFO L168 Benchmark]: Toolchain (without parser) took 30179.62 ms. Allocated memory was 52.4 MB in the beginning and 1.1 GB in the end (delta: 1.1 GB). Free memory was 27.5 MB in the beginning and 484.4 MB in the end (delta: -456.9 MB). Peak memory consumption was 633.8 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:01,095 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 41.9 MB. Free memory was 20.0 MB in the beginning and 20.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:46:01,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.48 ms. Allocated memory is still 52.4 MB. Free memory was 26.9 MB in the beginning and 32.2 MB in the end (delta: -5.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:01,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.02 ms. Allocated memory is still 52.4 MB. Free memory was 32.0 MB in the beginning and 22.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:01,096 INFO L168 Benchmark]: Boogie Preprocessor took 140.20 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 34.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:01,097 INFO L168 Benchmark]: RCFGBuilder took 2021.47 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 34.5 MB in the beginning and 27.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:01,098 INFO L168 Benchmark]: TraceAbstraction took 26829.16 ms. Allocated memory was 81.8 MB in the beginning and 1.1 GB in the end (delta: 1.1 GB). Free memory was 26.7 MB in the beginning and 504.3 MB in the end (delta: -477.6 MB). Peak memory consumption was 581.4 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:01,098 INFO L168 Benchmark]: Witness Printer took 249.73 ms. Allocated memory is still 1.1 GB. Free memory was 504.3 MB in the beginning and 484.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:46:01,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 41.9 MB. Free memory was 20.0 MB in the beginning and 20.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 798.48 ms. Allocated memory is still 52.4 MB. Free memory was 26.9 MB in the beginning and 32.2 MB in the end (delta: -5.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.02 ms. Allocated memory is still 52.4 MB. Free memory was 32.0 MB in the beginning and 22.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 140.20 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 22.4 MB in the beginning and 34.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2021.47 ms. Allocated memory was 62.9 MB in the beginning and 81.8 MB in the end (delta: 18.9 MB). Free memory was 34.5 MB in the beginning and 27.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26829.16 ms. Allocated memory was 81.8 MB in the beginning and 1.1 GB in the end (delta: 1.1 GB). Free memory was 26.7 MB in the beginning and 504.3 MB in the end (delta: -477.6 MB). Peak memory consumption was 581.4 MB. Max. memory is 16.1 GB. * Witness Printer took 249.73 ms. Allocated memory is still 1.1 GB. Free memory was 504.3 MB in the beginning and 484.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.2s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1921 SDtfs, 1937 SDslu, 79 SDs, 0 SdLazy, 7189 SolverSat, 967 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2312 GetRequests, 2288 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 2498 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 127 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1786 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 282 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 7842 NumberOfCodeBlocks, 7842 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 7825 ConstructedInterpolants, 0 QuantifiedInterpolants, 8573561 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2886 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 15680/16055 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...