./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label26.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer --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 3903de58353fe0f55abd67b1b3f69128bf8bc047 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:47:16,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:47:16,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:47:16,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:47:16,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:47:16,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:47:16,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:47:16,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:47:16,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:47:16,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:47:16,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:47:16,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:47:16,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:47:16,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:47:16,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:47:16,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:47:16,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:47:16,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:47:16,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:47:16,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:47:16,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:47:16,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:47:16,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:47:16,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:47:16,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:47:16,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:47:16,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:47:16,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:47:16,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:47:16,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:47:16,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:47:16,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:47:16,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:47:16,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:47:16,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:47:16,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:47:16,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:47:16,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:47:16,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:47:16,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:47:16,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:47:16,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:47:16,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:47:16,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:47:16,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:47:16,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:47:16,315 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:47:16,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:47:16,316 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:47:16,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:47:16,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:47:16,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:47:16,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:47:16,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:47:16,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:47:16,318 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:47:16,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:47:16,318 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:47:16,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:47:16,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:47:16,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:47:16,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:47:16,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:47:16,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:47:16,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:47:16,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:47:16,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:47:16,322 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:47:16,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:47:16,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:47:16,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:47:16,323 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:/tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3903de58353fe0f55abd67b1b3f69128bf8bc047 [2020-11-29 18:47:16,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:47:16,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:47:16,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:47:16,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:47:16,701 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:47:16,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label26.c [2020-11-29 18:47:16,808 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/data/1af920e0a/07c0664ab76a476f8c925d26782a3305/FLAG0f474bd2d [2020-11-29 18:47:17,824 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:47:17,825 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/sv-benchmarks/c/eca-rers2012/Problem16_label26.c [2020-11-29 18:47:17,860 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/data/1af920e0a/07c0664ab76a476f8c925d26782a3305/FLAG0f474bd2d [2020-11-29 18:47:18,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/data/1af920e0a/07c0664ab76a476f8c925d26782a3305 [2020-11-29 18:47:18,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:47:18,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:47:18,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:47:18,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:47:18,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:47:18,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:47:18" (1/1) ... [2020-11-29 18:47:18,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9ace43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:18, skipping insertion in model container [2020-11-29 18:47:18,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:47:18" (1/1) ... [2020-11-29 18:47:18,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:47:18,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:47:19,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:47:19,488 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:47:19,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:47:19,864 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:47:19,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19 WrapperNode [2020-11-29 18:47:19,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:47:19,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:47:19,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:47:19,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:47:19,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (1/1) ... [2020-11-29 18:47:19,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (1/1) ... [2020-11-29 18:47:20,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:47:20,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:47:20,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:47:20,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:47:20,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (1/1) ... [2020-11-29 18:47:20,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (1/1) ... [2020-11-29 18:47:20,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (1/1) ... [2020-11-29 18:47:20,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (1/1) ... [2020-11-29 18:47:20,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (1/1) ... [2020-11-29 18:47:20,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (1/1) ... [2020-11-29 18:47:20,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (1/1) ... [2020-11-29 18:47:20,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:47:20,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:47:20,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:47:20,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:47:20,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/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 [2020-11-29 18:47:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:47:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:47:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:47:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:47:23,843 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:47:23,847 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-29 18:47:23,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:47:23 BoogieIcfgContainer [2020-11-29 18:47:23,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:47:23,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:47:23,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:47:23,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:47:23,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:47:18" (1/3) ... [2020-11-29 18:47:23,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587e5d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:47:23, skipping insertion in model container [2020-11-29 18:47:23,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:47:19" (2/3) ... [2020-11-29 18:47:23,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587e5d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:47:23, skipping insertion in model container [2020-11-29 18:47:23,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:47:23" (3/3) ... [2020-11-29 18:47:23,866 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label26.c [2020-11-29 18:47:23,881 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:47:23,888 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:47:23,904 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:47:23,959 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:47:23,961 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:47:23,962 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:47:23,962 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:47:23,962 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:47:23,963 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:47:23,963 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:47:23,963 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:47:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-11-29 18:47:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:47:24,017 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:24,018 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] [2020-11-29 18:47:24,018 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:24,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:24,026 INFO L82 PathProgramCache]: Analyzing trace with hash -596708735, now seen corresponding path program 1 times [2020-11-29 18:47:24,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:24,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852227663] [2020-11-29 18:47:24,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:24,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852227663] [2020-11-29 18:47:24,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:24,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:47:24,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198741954] [2020-11-29 18:47:24,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:47:24,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:47:24,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:47:24,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:47:24,503 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 3 states. [2020-11-29 18:47:28,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:28,605 INFO L93 Difference]: Finished difference Result 1138 states and 2119 transitions. [2020-11-29 18:47:28,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:47:28,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-11-29 18:47:28,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:28,659 INFO L225 Difference]: With dead ends: 1138 [2020-11-29 18:47:28,659 INFO L226 Difference]: Without dead ends: 662 [2020-11-29 18:47:28,665 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 [2020-11-29 18:47:28,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-11-29 18:47:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-11-29 18:47:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-11-29 18:47:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2020-11-29 18:47:28,808 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 35 [2020-11-29 18:47:28,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:28,809 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2020-11-29 18:47:28,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:47:28,809 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2020-11-29 18:47:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-29 18:47:28,815 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:28,815 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:47:28,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:47:28,816 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:28,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:28,817 INFO L82 PathProgramCache]: Analyzing trace with hash 2071183039, now seen corresponding path program 1 times [2020-11-29 18:47:28,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:28,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446752527] [2020-11-29 18:47:28,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:29,058 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:29,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446752527] [2020-11-29 18:47:29,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:29,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:47:29,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702631680] [2020-11-29 18:47:29,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:47:29,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:47:29,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:47:29,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:47:29,066 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand 3 states. [2020-11-29 18:47:31,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:31,666 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2020-11-29 18:47:31,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:47:31,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-11-29 18:47:31,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:31,681 INFO L225 Difference]: With dead ends: 1980 [2020-11-29 18:47:31,681 INFO L226 Difference]: Without dead ends: 1320 [2020-11-29 18:47:31,686 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 [2020-11-29 18:47:31,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-11-29 18:47:31,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2020-11-29 18:47:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-11-29 18:47:31,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2020-11-29 18:47:31,747 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 101 [2020-11-29 18:47:31,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:31,747 INFO L481 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2020-11-29 18:47:31,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:47:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2020-11-29 18:47:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-11-29 18:47:31,753 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:31,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:47:31,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:47:31,754 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:31,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:31,755 INFO L82 PathProgramCache]: Analyzing trace with hash 2006084993, now seen corresponding path program 1 times [2020-11-29 18:47:31,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:31,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931775152] [2020-11-29 18:47:31,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:31,916 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:31,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931775152] [2020-11-29 18:47:31,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:31,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:47:31,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767824886] [2020-11-29 18:47:31,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:47:31,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:47:31,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:47:31,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:47:31,920 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand 3 states. [2020-11-29 18:47:34,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:34,787 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2020-11-29 18:47:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:47:34,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-11-29 18:47:34,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:34,802 INFO L225 Difference]: With dead ends: 3296 [2020-11-29 18:47:34,803 INFO L226 Difference]: Without dead ends: 1978 [2020-11-29 18:47:34,805 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 [2020-11-29 18:47:34,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2020-11-29 18:47:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2020-11-29 18:47:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1978 states. [2020-11-29 18:47:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2020-11-29 18:47:34,869 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 102 [2020-11-29 18:47:34,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:34,870 INFO L481 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2020-11-29 18:47:34,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:47:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2020-11-29 18:47:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-11-29 18:47:34,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:34,876 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:47:34,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:47:34,876 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:34,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1512409639, now seen corresponding path program 1 times [2020-11-29 18:47:34,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:34,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534221068] [2020-11-29 18:47:34,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:35,151 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:35,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534221068] [2020-11-29 18:47:35,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:35,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:47:35,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994246876] [2020-11-29 18:47:35,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:47:35,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:47:35,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:47:35,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:47:35,160 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand 3 states. [2020-11-29 18:47:38,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:38,016 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2020-11-29 18:47:38,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:47:38,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-11-29 18:47:38,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:38,046 INFO L225 Difference]: With dead ends: 5928 [2020-11-29 18:47:38,046 INFO L226 Difference]: Without dead ends: 3952 [2020-11-29 18:47:38,051 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 [2020-11-29 18:47:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-11-29 18:47:38,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2020-11-29 18:47:38,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2020-11-29 18:47:38,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2020-11-29 18:47:38,225 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 194 [2020-11-29 18:47:38,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:38,226 INFO L481 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2020-11-29 18:47:38,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:47:38,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2020-11-29 18:47:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-11-29 18:47:38,238 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:38,239 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:47:38,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:47:38,240 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:38,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:38,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1219262814, now seen corresponding path program 1 times [2020-11-29 18:47:38,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:38,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599991864] [2020-11-29 18:47:38,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:39,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599991864] [2020-11-29 18:47:39,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:39,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:47:39,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653836852] [2020-11-29 18:47:39,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:47:39,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:47:39,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:47:39,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:47:39,229 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand 4 states. [2020-11-29 18:47:41,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:41,923 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2020-11-29 18:47:41,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:47:41,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 280 [2020-11-29 18:47:41,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:41,951 INFO L225 Difference]: With dead ends: 8269 [2020-11-29 18:47:41,951 INFO L226 Difference]: Without dead ends: 4319 [2020-11-29 18:47:41,957 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 [2020-11-29 18:47:41,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2020-11-29 18:47:42,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2020-11-29 18:47:42,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4281 states. [2020-11-29 18:47:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2020-11-29 18:47:42,066 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 280 [2020-11-29 18:47:42,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:42,067 INFO L481 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2020-11-29 18:47:42,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:47:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2020-11-29 18:47:42,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-11-29 18:47:42,076 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:42,077 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:47:42,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 18:47:42,077 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:42,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:42,078 INFO L82 PathProgramCache]: Analyzing trace with hash -74170836, now seen corresponding path program 1 times [2020-11-29 18:47:42,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:42,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646039455] [2020-11-29 18:47:42,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:42,731 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:42,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646039455] [2020-11-29 18:47:42,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:42,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 18:47:42,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457272355] [2020-11-29 18:47:42,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:47:42,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:47:42,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:47:42,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:47:42,734 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand 7 states. [2020-11-29 18:47:45,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:45,900 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2020-11-29 18:47:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 18:47:45,901 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 367 [2020-11-29 18:47:45,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:45,924 INFO L225 Difference]: With dead ends: 8090 [2020-11-29 18:47:45,924 INFO L226 Difference]: Without dead ends: 3952 [2020-11-29 18:47:45,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:47:45,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-11-29 18:47:46,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2020-11-29 18:47:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2020-11-29 18:47:46,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2020-11-29 18:47:46,016 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 367 [2020-11-29 18:47:46,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:46,017 INFO L481 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2020-11-29 18:47:46,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:47:46,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2020-11-29 18:47:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-11-29 18:47:46,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:46,027 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:47:46,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 18:47:46,027 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:46,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:46,028 INFO L82 PathProgramCache]: Analyzing trace with hash -259277886, now seen corresponding path program 1 times [2020-11-29 18:47:46,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:46,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425483128] [2020-11-29 18:47:46,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-29 18:47:46,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425483128] [2020-11-29 18:47:46,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:46,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:47:46,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965151718] [2020-11-29 18:47:46,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:47:46,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:47:46,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:47:46,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:47:46,378 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand 3 states. [2020-11-29 18:47:48,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:48,492 INFO L93 Difference]: Finished difference Result 9218 states and 10060 transitions. [2020-11-29 18:47:48,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:47:48,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 374 [2020-11-29 18:47:48,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:48,521 INFO L225 Difference]: With dead ends: 9218 [2020-11-29 18:47:48,521 INFO L226 Difference]: Without dead ends: 5597 [2020-11-29 18:47:48,527 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 [2020-11-29 18:47:48,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2020-11-29 18:47:48,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2020-11-29 18:47:48,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5597 states. [2020-11-29 18:47:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6015 transitions. [2020-11-29 18:47:48,659 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6015 transitions. Word has length 374 [2020-11-29 18:47:48,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:48,660 INFO L481 AbstractCegarLoop]: Abstraction has 5597 states and 6015 transitions. [2020-11-29 18:47:48,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:47:48,661 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6015 transitions. [2020-11-29 18:47:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2020-11-29 18:47:48,671 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:48,672 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:47:48,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 18:47:48,673 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:48,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:48,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1225001603, now seen corresponding path program 1 times [2020-11-29 18:47:48,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:48,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507297622] [2020-11-29 18:47:48,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:49,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507297622] [2020-11-29 18:47:49,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:49,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:47:49,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913003716] [2020-11-29 18:47:49,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:47:49,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:47:49,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:47:49,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:47:49,095 INFO L87 Difference]: Start difference. First operand 5597 states and 6015 transitions. Second operand 3 states. [2020-11-29 18:47:50,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:50,944 INFO L93 Difference]: Finished difference Result 10863 states and 11697 transitions. [2020-11-29 18:47:50,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:47:50,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 429 [2020-11-29 18:47:50,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:50,978 INFO L225 Difference]: With dead ends: 10863 [2020-11-29 18:47:50,978 INFO L226 Difference]: Without dead ends: 5597 [2020-11-29 18:47:50,984 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 [2020-11-29 18:47:50,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2020-11-29 18:47:51,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2020-11-29 18:47:51,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5597 states. [2020-11-29 18:47:51,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 5871 transitions. [2020-11-29 18:47:51,100 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 5871 transitions. Word has length 429 [2020-11-29 18:47:51,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:51,101 INFO L481 AbstractCegarLoop]: Abstraction has 5597 states and 5871 transitions. [2020-11-29 18:47:51,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:47:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 5871 transitions. [2020-11-29 18:47:51,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2020-11-29 18:47:51,119 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:51,120 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 18:47:51,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 18:47:51,121 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:51,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:51,122 INFO L82 PathProgramCache]: Analyzing trace with hash -406803, now seen corresponding path program 1 times [2020-11-29 18:47:51,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:51,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481003443] [2020-11-29 18:47:51,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:47:51,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481003443] [2020-11-29 18:47:51,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:51,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:47:51,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690987556] [2020-11-29 18:47:51,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:47:51,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:47:51,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:47:51,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:47:51,916 INFO L87 Difference]: Start difference. First operand 5597 states and 5871 transitions. Second operand 4 states. [2020-11-29 18:47:55,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:55,507 INFO L93 Difference]: Finished difference Result 16456 states and 17283 transitions. [2020-11-29 18:47:55,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:47:55,509 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 513 [2020-11-29 18:47:55,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:55,570 INFO L225 Difference]: With dead ends: 16456 [2020-11-29 18:47:55,570 INFO L226 Difference]: Without dead ends: 11190 [2020-11-29 18:47:55,580 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 [2020-11-29 18:47:55,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2020-11-29 18:47:55,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 9216. [2020-11-29 18:47:55,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9216 states. [2020-11-29 18:47:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9670 transitions. [2020-11-29 18:47:55,779 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9670 transitions. Word has length 513 [2020-11-29 18:47:55,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:55,780 INFO L481 AbstractCegarLoop]: Abstraction has 9216 states and 9670 transitions. [2020-11-29 18:47:55,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:47:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9670 transitions. [2020-11-29 18:47:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-11-29 18:47:55,847 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:55,847 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:47:55,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 18:47:55,848 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:55,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:55,849 INFO L82 PathProgramCache]: Analyzing trace with hash 967239878, now seen corresponding path program 1 times [2020-11-29 18:47:55,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:55,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905112030] [2020-11-29 18:47:55,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:47:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-29 18:47:56,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905112030] [2020-11-29 18:47:56,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:47:56,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:47:56,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833716091] [2020-11-29 18:47:56,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:47:56,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:47:56,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:47:56,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:47:56,411 INFO L87 Difference]: Start difference. First operand 9216 states and 9670 transitions. Second operand 3 states. [2020-11-29 18:47:58,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:47:58,533 INFO L93 Difference]: Finished difference Result 21062 states and 22144 transitions. [2020-11-29 18:47:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:47:58,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 533 [2020-11-29 18:47:58,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:47:58,573 INFO L225 Difference]: With dead ends: 21062 [2020-11-29 18:47:58,573 INFO L226 Difference]: Without dead ends: 12177 [2020-11-29 18:47:58,585 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 [2020-11-29 18:47:58,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2020-11-29 18:47:58,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 11519. [2020-11-29 18:47:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11519 states. [2020-11-29 18:47:58,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 12057 transitions. [2020-11-29 18:47:58,791 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 12057 transitions. Word has length 533 [2020-11-29 18:47:58,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:47:58,792 INFO L481 AbstractCegarLoop]: Abstraction has 11519 states and 12057 transitions. [2020-11-29 18:47:58,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:47:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 12057 transitions. [2020-11-29 18:47:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2020-11-29 18:47:58,801 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:47:58,802 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:47:58,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 18:47:58,803 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:47:58,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:47:58,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1917452767, now seen corresponding path program 1 times [2020-11-29 18:47:58,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:47:58,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513563225] [2020-11-29 18:47:58,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:47:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 382 proven. 156 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 18:48:00,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513563225] [2020-11-29 18:48:00,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308875264] [2020-11-29 18:48:00,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/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 [2020-11-29 18:48:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:00,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:48:00,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:48:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-11-29 18:48:01,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:48:01,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-29 18:48:01,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355521749] [2020-11-29 18:48:01,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:01,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:01,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:01,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:48:01,279 INFO L87 Difference]: Start difference. First operand 11519 states and 12057 transitions. Second operand 3 states. [2020-11-29 18:48:03,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:03,580 INFO L93 Difference]: Finished difference Result 25668 states and 26946 transitions. [2020-11-29 18:48:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:03,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 587 [2020-11-29 18:48:03,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:03,616 INFO L225 Difference]: With dead ends: 25668 [2020-11-29 18:48:03,616 INFO L226 Difference]: Without dead ends: 14480 [2020-11-29 18:48:03,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:48:03,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2020-11-29 18:48:03,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13822. [2020-11-29 18:48:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13822 states. [2020-11-29 18:48:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14445 transitions. [2020-11-29 18:48:03,943 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14445 transitions. Word has length 587 [2020-11-29 18:48:03,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:03,945 INFO L481 AbstractCegarLoop]: Abstraction has 13822 states and 14445 transitions. [2020-11-29 18:48:03,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:03,945 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14445 transitions. [2020-11-29 18:48:03,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2020-11-29 18:48:03,956 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:03,957 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:04,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-29 18:48:04,186 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:04,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:04,186 INFO L82 PathProgramCache]: Analyzing trace with hash 654950095, now seen corresponding path program 1 times [2020-11-29 18:48:04,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:04,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000339380] [2020-11-29 18:48:04,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2020-11-29 18:48:04,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000339380] [2020-11-29 18:48:04,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:04,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:48:04,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381448115] [2020-11-29 18:48:04,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:04,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:04,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:04,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:48:04,898 INFO L87 Difference]: Start difference. First operand 13822 states and 14445 transitions. Second operand 3 states. [2020-11-29 18:48:06,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:06,446 INFO L93 Difference]: Finished difference Result 27313 states and 28557 transitions. [2020-11-29 18:48:06,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:06,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 648 [2020-11-29 18:48:06,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:06,488 INFO L225 Difference]: With dead ends: 27313 [2020-11-29 18:48:06,488 INFO L226 Difference]: Without dead ends: 13822 [2020-11-29 18:48:06,503 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 [2020-11-29 18:48:06,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2020-11-29 18:48:06,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 12835. [2020-11-29 18:48:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12835 states. [2020-11-29 18:48:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13379 transitions. [2020-11-29 18:48:06,706 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13379 transitions. Word has length 648 [2020-11-29 18:48:06,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:06,708 INFO L481 AbstractCegarLoop]: Abstraction has 12835 states and 13379 transitions. [2020-11-29 18:48:06,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13379 transitions. [2020-11-29 18:48:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 847 [2020-11-29 18:48:06,728 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:06,731 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:06,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 18:48:06,731 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:06,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:06,732 INFO L82 PathProgramCache]: Analyzing trace with hash 342930805, now seen corresponding path program 1 times [2020-11-29 18:48:06,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:06,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923166728] [2020-11-29 18:48:06,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2020-11-29 18:48:07,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923166728] [2020-11-29 18:48:07,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:07,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:48:07,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689026620] [2020-11-29 18:48:07,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:07,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:07,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:07,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:48:07,771 INFO L87 Difference]: Start difference. First operand 12835 states and 13379 transitions. Second operand 3 states. [2020-11-29 18:48:09,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:09,596 INFO L93 Difference]: Finished difference Result 30274 states and 31631 transitions. [2020-11-29 18:48:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:09,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 846 [2020-11-29 18:48:09,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:09,628 INFO L225 Difference]: With dead ends: 30274 [2020-11-29 18:48:09,628 INFO L226 Difference]: Without dead ends: 16125 [2020-11-29 18:48:09,639 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 [2020-11-29 18:48:09,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2020-11-29 18:48:09,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2020-11-29 18:48:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15796 states. [2020-11-29 18:48:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16323 transitions. [2020-11-29 18:48:09,895 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16323 transitions. Word has length 846 [2020-11-29 18:48:09,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:09,896 INFO L481 AbstractCegarLoop]: Abstraction has 15796 states and 16323 transitions. [2020-11-29 18:48:09,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:09,897 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16323 transitions. [2020-11-29 18:48:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1063 [2020-11-29 18:48:09,929 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:09,930 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 18:48:09,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 18:48:09,931 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:09,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:09,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1204107693, now seen corresponding path program 1 times [2020-11-29 18:48:09,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:09,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072400904] [2020-11-29 18:48:09,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:13,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1780 backedges. 660 proven. 784 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2020-11-29 18:48:13,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072400904] [2020-11-29 18:48:13,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446752324] [2020-11-29 18:48:13,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/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 [2020-11-29 18:48:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:13,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:48:13,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:48:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1780 backedges. 1012 proven. 0 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2020-11-29 18:48:14,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:48:14,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-29 18:48:14,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997588953] [2020-11-29 18:48:14,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:14,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:14,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:14,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:48:14,370 INFO L87 Difference]: Start difference. First operand 15796 states and 16323 transitions. Second operand 3 states. [2020-11-29 18:48:16,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:16,053 INFO L93 Difference]: Finished difference Result 31261 states and 32313 transitions. [2020-11-29 18:48:16,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:16,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1062 [2020-11-29 18:48:16,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:16,089 INFO L225 Difference]: With dead ends: 31261 [2020-11-29 18:48:16,089 INFO L226 Difference]: Without dead ends: 15796 [2020-11-29 18:48:16,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1066 GetRequests, 1062 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:48:16,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2020-11-29 18:48:16,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2020-11-29 18:48:16,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15796 states. [2020-11-29 18:48:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16255 transitions. [2020-11-29 18:48:16,410 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16255 transitions. Word has length 1062 [2020-11-29 18:48:16,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:16,411 INFO L481 AbstractCegarLoop]: Abstraction has 15796 states and 16255 transitions. [2020-11-29 18:48:16,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16255 transitions. [2020-11-29 18:48:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1120 [2020-11-29 18:48:16,458 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:16,459 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:16,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-29 18:48:16,674 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:16,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:16,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1384987774, now seen corresponding path program 1 times [2020-11-29 18:48:16,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:16,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886833715] [2020-11-29 18:48:16,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2442 backedges. 1730 proven. 0 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2020-11-29 18:48:18,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886833715] [2020-11-29 18:48:18,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:18,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:48:18,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479255430] [2020-11-29 18:48:18,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:18,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:18,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:18,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:48:18,258 INFO L87 Difference]: Start difference. First operand 15796 states and 16255 transitions. Second operand 3 states. [2020-11-29 18:48:19,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:19,921 INFO L93 Difference]: Finished difference Result 31261 states and 32177 transitions. [2020-11-29 18:48:19,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:19,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1119 [2020-11-29 18:48:19,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:19,945 INFO L225 Difference]: With dead ends: 31261 [2020-11-29 18:48:19,945 INFO L226 Difference]: Without dead ends: 15796 [2020-11-29 18:48:19,953 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 [2020-11-29 18:48:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2020-11-29 18:48:20,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 14480. [2020-11-29 18:48:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14480 states. [2020-11-29 18:48:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14816 transitions. [2020-11-29 18:48:20,162 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14816 transitions. Word has length 1119 [2020-11-29 18:48:20,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:20,163 INFO L481 AbstractCegarLoop]: Abstraction has 14480 states and 14816 transitions. [2020-11-29 18:48:20,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14816 transitions. [2020-11-29 18:48:20,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2020-11-29 18:48:20,193 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:20,194 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:20,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 18:48:20,195 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:20,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:20,196 INFO L82 PathProgramCache]: Analyzing trace with hash -296730479, now seen corresponding path program 1 times [2020-11-29 18:48:20,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:20,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086668415] [2020-11-29 18:48:20,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2448 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2020-11-29 18:48:21,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086668415] [2020-11-29 18:48:21,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:21,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:48:21,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384153468] [2020-11-29 18:48:21,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:21,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:21,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:21,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:48:21,571 INFO L87 Difference]: Start difference. First operand 14480 states and 14816 transitions. Second operand 3 states. [2020-11-29 18:48:23,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:23,238 INFO L93 Difference]: Finished difference Result 31919 states and 32699 transitions. [2020-11-29 18:48:23,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:23,239 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1120 [2020-11-29 18:48:23,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:23,253 INFO L225 Difference]: With dead ends: 31919 [2020-11-29 18:48:23,253 INFO L226 Difference]: Without dead ends: 15467 [2020-11-29 18:48:23,263 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 [2020-11-29 18:48:23,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2020-11-29 18:48:23,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 12835. [2020-11-29 18:48:23,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12835 states. [2020-11-29 18:48:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13093 transitions. [2020-11-29 18:48:23,470 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13093 transitions. Word has length 1120 [2020-11-29 18:48:23,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:23,472 INFO L481 AbstractCegarLoop]: Abstraction has 12835 states and 13093 transitions. [2020-11-29 18:48:23,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:23,472 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13093 transitions. [2020-11-29 18:48:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1376 [2020-11-29 18:48:23,506 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:23,509 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:23,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-29 18:48:23,510 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:23,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:23,511 INFO L82 PathProgramCache]: Analyzing trace with hash 23437919, now seen corresponding path program 1 times [2020-11-29 18:48:23,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:23,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713693515] [2020-11-29 18:48:23,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 2413 proven. 0 refuted. 0 times theorem prover too weak. 1529 trivial. 0 not checked. [2020-11-29 18:48:26,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713693515] [2020-11-29 18:48:26,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:26,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:48:26,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763361269] [2020-11-29 18:48:26,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:26,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:26,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:26,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:48:26,131 INFO L87 Difference]: Start difference. First operand 12835 states and 13093 transitions. Second operand 3 states. [2020-11-29 18:48:27,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:27,664 INFO L93 Difference]: Finished difference Result 25997 states and 26519 transitions. [2020-11-29 18:48:27,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:27,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1375 [2020-11-29 18:48:27,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:27,678 INFO L225 Difference]: With dead ends: 25997 [2020-11-29 18:48:27,678 INFO L226 Difference]: Without dead ends: 13493 [2020-11-29 18:48:27,686 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 [2020-11-29 18:48:27,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states. [2020-11-29 18:48:27,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13493. [2020-11-29 18:48:27,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13493 states. [2020-11-29 18:48:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13755 transitions. [2020-11-29 18:48:27,874 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13755 transitions. Word has length 1375 [2020-11-29 18:48:27,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:27,876 INFO L481 AbstractCegarLoop]: Abstraction has 13493 states and 13755 transitions. [2020-11-29 18:48:27,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13755 transitions. [2020-11-29 18:48:27,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1414 [2020-11-29 18:48:27,905 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:27,906 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:27,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-29 18:48:27,906 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:27,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:27,907 INFO L82 PathProgramCache]: Analyzing trace with hash -329260305, now seen corresponding path program 1 times [2020-11-29 18:48:27,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:27,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533451382] [2020-11-29 18:48:27,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 2644 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2020-11-29 18:48:30,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533451382] [2020-11-29 18:48:30,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:30,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 18:48:30,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401425482] [2020-11-29 18:48:30,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 18:48:30,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:30,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 18:48:30,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:48:30,909 INFO L87 Difference]: Start difference. First operand 13493 states and 13755 transitions. Second operand 6 states. [2020-11-29 18:48:33,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:33,511 INFO L93 Difference]: Finished difference Result 26758 states and 27280 transitions. [2020-11-29 18:48:33,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 18:48:33,512 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1413 [2020-11-29 18:48:33,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:33,527 INFO L225 Difference]: With dead ends: 26758 [2020-11-29 18:48:33,527 INFO L226 Difference]: Without dead ends: 13596 [2020-11-29 18:48:33,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:48:33,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13596 states. [2020-11-29 18:48:33,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13596 to 13493. [2020-11-29 18:48:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13493 states. [2020-11-29 18:48:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13751 transitions. [2020-11-29 18:48:33,727 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13751 transitions. Word has length 1413 [2020-11-29 18:48:33,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:33,728 INFO L481 AbstractCegarLoop]: Abstraction has 13493 states and 13751 transitions. [2020-11-29 18:48:33,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 18:48:33,728 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13751 transitions. [2020-11-29 18:48:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1428 [2020-11-29 18:48:33,762 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:33,763 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:33,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-29 18:48:33,763 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:33,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:33,765 INFO L82 PathProgramCache]: Analyzing trace with hash 463931177, now seen corresponding path program 1 times [2020-11-29 18:48:33,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:33,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469003864] [2020-11-29 18:48:33,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:36,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3584 backedges. 2562 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2020-11-29 18:48:36,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469003864] [2020-11-29 18:48:36,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:48:36,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:48:36,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285250553] [2020-11-29 18:48:36,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:48:36,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:36,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:48:36,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:48:36,569 INFO L87 Difference]: Start difference. First operand 13493 states and 13751 transitions. Second operand 4 states. [2020-11-29 18:48:38,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:38,294 INFO L93 Difference]: Finished difference Result 26683 states and 27197 transitions. [2020-11-29 18:48:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:48:38,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1427 [2020-11-29 18:48:38,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:38,307 INFO L225 Difference]: With dead ends: 26683 [2020-11-29 18:48:38,307 INFO L226 Difference]: Without dead ends: 13521 [2020-11-29 18:48:38,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:48:38,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13521 states. [2020-11-29 18:48:38,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13521 to 13493. [2020-11-29 18:48:38,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13493 states. [2020-11-29 18:48:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13747 transitions. [2020-11-29 18:48:38,443 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13747 transitions. Word has length 1427 [2020-11-29 18:48:38,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:38,444 INFO L481 AbstractCegarLoop]: Abstraction has 13493 states and 13747 transitions. [2020-11-29 18:48:38,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:48:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13747 transitions. [2020-11-29 18:48:38,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1430 [2020-11-29 18:48:38,462 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:48:38,463 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:48:38,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-29 18:48:38,463 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:48:38,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:48:38,464 INFO L82 PathProgramCache]: Analyzing trace with hash 681147508, now seen corresponding path program 1 times [2020-11-29 18:48:38,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:48:38,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112868832] [2020-11-29 18:48:38,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:48:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 1190 proven. 19 refuted. 0 times theorem prover too weak. 2728 trivial. 0 not checked. [2020-11-29 18:48:40,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112868832] [2020-11-29 18:48:40,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823844943] [2020-11-29 18:48:40,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/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 [2020-11-29 18:48:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:48:40,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:48:40,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:48:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 1176 proven. 0 refuted. 0 times theorem prover too weak. 2761 trivial. 0 not checked. [2020-11-29 18:48:41,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:48:41,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-29 18:48:41,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59523356] [2020-11-29 18:48:41,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:48:41,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:48:41,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:48:41,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:48:41,984 INFO L87 Difference]: Start difference. First operand 13493 states and 13747 transitions. Second operand 3 states. [2020-11-29 18:48:43,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:48:43,306 INFO L93 Difference]: Finished difference Result 26653 states and 27160 transitions. [2020-11-29 18:48:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:48:43,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1429 [2020-11-29 18:48:43,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:48:43,308 INFO L225 Difference]: With dead ends: 26653 [2020-11-29 18:48:43,308 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:48:43,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1433 GetRequests, 1429 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:48:43,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:48:43,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:48:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:48:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:48:43,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1429 [2020-11-29 18:48:43,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:48:43,315 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:48:43,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:48:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:48:43,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:48:43,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:48:43,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:48:43,673 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 123 [2020-11-29 18:48:44,019 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 201 [2020-11-29 18:48:44,438 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 201 [2020-11-29 18:48:45,902 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2020-11-29 18:48:48,070 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 184 DAG size of output: 62 [2020-11-29 18:48:50,117 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 184 DAG size of output: 62 [2020-11-29 18:48:50,120 INFO L274 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,120 INFO L274 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,120 INFO L274 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,121 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,122 INFO L274 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,123 INFO L274 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,124 INFO L274 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,125 INFO L274 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,126 INFO L274 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,126 INFO L274 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,126 INFO L274 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,126 INFO L274 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,126 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 18:48:50,126 INFO L274 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,126 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 18:48:50,126 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 18:48:50,127 INFO L270 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse0 (= ~a15~0 4)) (.cse8 (<= 0 (+ ~a18~0 87))) (.cse11 (= ~a16~0 9)) (.cse12 (<= 7 ~a12~0)) (.cse10 (<= ~a15~0 3)) (.cse2 (= ~a15~0 3)) (.cse9 (= ~a16~0 12)) (.cse3 (= 5 ~a12~0)) (.cse7 (= ~a12~0 6)) (.cse5 (<= 10 ~a16~0)) (.cse6 (<= ~a16~0 11)) (.cse4 (<= 4 ~a15~0)) (.cse13 (= ~a12~0 8)) (.cse1 (= ~a16~0 8))) (or (and (= 7 ~a12~0) .cse0 (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse6 (<= ~a12~0 5)) (and .cse7 .cse8 .cse9 .cse10) (and .cse4 .cse11) (and .cse0 .cse3 .cse1) (and .cse12 .cse5 .cse6 .cse10) (and .cse2 .cse11 .cse3) (and .cse2 .cse8 .cse5 .cse6 .cse3) (and .cse8 .cse13 .cse1) (and .cse12 .cse9 .cse10) (and (<= 9 ~a12~0) .cse1) (and .cse11 .cse12) (and .cse12 (<= ~a12~0 7) .cse10 .cse1) (and .cse2 .cse9 .cse3) (and .cse7 .cse1) (and .cse7 .cse5 .cse6) (and .cse4 .cse13 (<= (+ ~a18~0 156) 0) .cse1))) [2020-11-29 18:48:50,127 INFO L274 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,127 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,127 INFO L274 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,127 INFO L274 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,127 INFO L274 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,127 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,127 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,127 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,128 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,129 INFO L274 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,129 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,129 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,129 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,129 INFO L274 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,129 INFO L274 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,129 INFO L274 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,129 INFO L274 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,129 INFO L274 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,135 INFO L274 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,135 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 18:48:50,135 INFO L274 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,136 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 18:48:50,136 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 18:48:50,136 INFO L274 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,136 INFO L274 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,136 INFO L274 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,136 INFO L274 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,137 INFO L274 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,137 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,137 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,137 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,137 INFO L274 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,137 INFO L274 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,137 INFO L274 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,138 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 18:48:50,138 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 18:48:50,138 INFO L274 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,140 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 18:48:50,141 INFO L274 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,141 INFO L270 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse6 (<= 0 (+ ~a18~0 87))) (.cse4 (not (= 3 ULTIMATE.start_calculate_output_~input))) (.cse3 (= ~a15~0 4)) (.cse0 (= ~a15~0 3)) (.cse7 (= ~a16~0 12)) (.cse1 (= 5 ~a12~0)) (.cse13 (<= 7 ~a12~0)) (.cse16 (<= ~a12~0 7)) (.cse10 (= ~a16~0 9)) (.cse8 (<= ~a15~0 3)) (.cse14 (<= 9 ~a12~0)) (.cse5 (= ~a12~0 6)) (.cse11 (<= 10 ~a16~0)) (.cse12 (<= ~a16~0 11)) (.cse9 (<= 4 ~a15~0)) (.cse15 (= ~a12~0 8)) (.cse2 (= ~a16~0 8))) (or (and .cse0 .cse1 .cse2) (and (= 7 ~a12~0) .cse3 .cse4 .cse2) (and .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse10) (and .cse9 .cse11 .cse12 (<= ~a12~0 5)) (and .cse0 .cse6 .cse11 .cse12 .cse1) (and .cse0 .cse10 .cse1) (and .cse13 .cse7 .cse8) (and .cse14 .cse2) (and .cse6 .cse15 .cse2) (and .cse13 .cse16 .cse8 .cse2) (and .cse10 .cse15) (and (or (<= ~a18~0 134) .cse4) .cse3 .cse1 .cse2) (and .cse10 .cse13 .cse16 .cse12 .cse8) (and .cse0 .cse7 .cse1) (and .cse11 .cse15 .cse12 .cse8) (and .cse13 .cse11 .cse16 .cse12 .cse8) (and .cse10 .cse12 .cse8 .cse14) (and .cse11 .cse12 .cse8 .cse14) (and .cse5 .cse2) (and .cse5 .cse11 .cse12) (and .cse9 .cse15 (<= (+ ~a18~0 156) 0) .cse2))) [2020-11-29 18:48:50,141 INFO L274 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,141 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,142 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 18:48:50,143 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,143 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 18:48:50,143 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 18:48:50,143 INFO L274 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,143 INFO L277 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-11-29 18:48:50,143 INFO L274 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,144 INFO L274 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,144 INFO L274 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,144 INFO L274 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,144 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,144 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,144 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,144 INFO L274 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,145 INFO L274 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,145 INFO L274 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,145 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,145 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 18:48:50,145 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,145 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 18:48:50,146 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,146 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 18:48:50,146 INFO L274 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,146 INFO L274 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,146 INFO L274 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,146 INFO L274 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,146 INFO L274 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,147 INFO L274 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,147 INFO L274 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,147 INFO L274 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,147 INFO L274 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,147 INFO L274 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,147 INFO L274 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,147 INFO L274 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,148 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,148 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,148 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,148 INFO L274 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,148 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 18:48:50,148 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 18:48:50,149 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 18:48:50,149 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:48:50,149 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-29 18:48:50,149 INFO L270 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (= ~a15~0 4)) (.cse8 (<= 0 (+ ~a18~0 87))) (.cse11 (= ~a16~0 9)) (.cse12 (<= 7 ~a12~0)) (.cse10 (<= ~a15~0 3)) (.cse2 (= ~a15~0 3)) (.cse9 (= ~a16~0 12)) (.cse3 (= 5 ~a12~0)) (.cse7 (= ~a12~0 6)) (.cse5 (<= 10 ~a16~0)) (.cse6 (<= ~a16~0 11)) (.cse4 (<= 4 ~a15~0)) (.cse13 (= ~a12~0 8)) (.cse1 (= ~a16~0 8))) (or (and (= 7 ~a12~0) .cse0 (not (= 3 ULTIMATE.start_calculate_output_~input)) .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse5 .cse6 (<= ~a12~0 5)) (and .cse7 .cse8 .cse9 .cse10) (and .cse4 .cse11) (and .cse0 .cse3 .cse1) (and .cse12 .cse5 .cse6 .cse10) (and .cse2 .cse11 .cse3) (and .cse2 .cse8 .cse5 .cse6 .cse3) (and .cse8 .cse13 .cse1) (and .cse12 .cse9 .cse10) (and (<= 9 ~a12~0) .cse1) (and .cse11 .cse12) (and .cse12 (<= ~a12~0 7) .cse10 .cse1) (and .cse2 .cse9 .cse3) (and .cse7 .cse1) (and .cse7 .cse5 .cse6) (and .cse4 .cse13 (<= (+ ~a18~0 156) 0) .cse1))) [2020-11-29 18:48:50,150 INFO L274 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,150 INFO L274 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,150 INFO L274 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,150 INFO L274 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,150 INFO L274 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,150 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,150 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,151 INFO L274 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,151 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,151 INFO L274 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,151 INFO L274 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,151 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,151 INFO L274 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,152 INFO L274 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,152 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 18:48:50,152 INFO L274 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,152 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 18:48:50,152 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 18:48:50,152 INFO L274 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,152 INFO L274 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,153 INFO L274 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,153 INFO L274 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,153 INFO L274 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,153 INFO L274 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,153 INFO L274 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,153 INFO L274 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,154 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,154 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,154 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,154 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,154 INFO L274 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-11-29 18:48:50,154 INFO L274 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,154 INFO L274 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,155 INFO L274 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,155 INFO L274 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,155 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,155 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 18:48:50,155 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 18:48:50,155 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 18:48:50,156 INFO L274 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,156 INFO L274 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,156 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,156 INFO L274 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,156 INFO L274 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,156 INFO L274 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,156 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,157 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,157 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,157 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,157 INFO L274 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,157 INFO L274 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,157 INFO L274 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,157 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 18:48:50,158 INFO L274 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,158 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 18:48:50,158 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 18:48:50,158 INFO L274 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,158 INFO L274 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,158 INFO L274 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,159 INFO L274 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,159 INFO L274 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,159 INFO L274 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,159 INFO L274 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,159 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,159 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,159 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,160 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,160 INFO L274 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,160 INFO L274 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,160 INFO L274 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,160 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 18:48:50,160 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 18:48:50,161 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 18:48:50,161 INFO L274 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,161 INFO L274 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,161 INFO L274 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,161 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,161 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,162 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,162 INFO L274 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,162 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,162 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,162 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,162 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-29 18:48:50,162 INFO L274 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,163 INFO L274 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,163 INFO L274 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,163 INFO L274 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,163 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 18:48:50,163 INFO L274 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,163 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 18:48:50,163 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 18:48:50,164 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,164 INFO L274 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,164 INFO L274 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,164 INFO L274 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,164 INFO L274 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,164 INFO L274 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,165 INFO L274 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,165 INFO L274 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,165 INFO L274 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,165 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,165 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,165 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,165 INFO L274 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,166 INFO L274 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,166 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-29 18:48:50,166 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 18:48:50,166 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 18:48:50,166 INFO L274 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,166 INFO L274 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,167 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,167 INFO L274 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,167 INFO L274 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,167 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,167 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,167 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,167 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,168 INFO L274 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,168 INFO L274 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,168 INFO L274 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,168 INFO L274 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,168 INFO L274 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,168 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:48:50,168 INFO L274 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,169 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 18:48:50,169 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 18:48:50,169 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,169 INFO L274 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,169 INFO L274 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,169 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,170 INFO L274 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,170 INFO L274 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,170 INFO L274 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,170 INFO L274 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,170 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,170 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,170 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,171 INFO L274 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,171 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 18:48:50,171 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 18:48:50,171 INFO L274 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,171 INFO L274 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,171 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,171 INFO L274 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,172 INFO L274 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,172 INFO L274 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,172 INFO L274 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,172 INFO L274 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,172 INFO L274 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,172 INFO L274 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,172 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,173 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,173 INFO L274 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,173 INFO L274 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,173 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,173 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,173 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 18:48:50,173 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 18:48:50,174 INFO L274 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,174 INFO L274 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,174 INFO L274 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,174 INFO L274 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,174 INFO L274 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,174 INFO L274 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,175 INFO L274 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,175 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,175 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,175 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:48:50,175 INFO L274 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,175 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,175 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 18:48:50,176 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 18:48:50,176 INFO L274 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,176 INFO L274 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,176 INFO L274 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,176 INFO L274 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,176 INFO L274 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,176 INFO L274 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,177 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,177 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,177 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,177 INFO L274 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,177 INFO L274 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,177 INFO L274 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,177 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,178 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,178 INFO L274 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,178 INFO L274 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,178 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,178 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 18:48:50,178 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 18:48:50,179 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,179 INFO L274 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,179 INFO L274 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,179 INFO L274 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,179 INFO L274 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,179 INFO L274 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,179 INFO L274 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-11-29 18:48:50,180 INFO L274 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,180 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,180 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,180 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-29 18:48:50,180 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-11-29 18:48:50,180 INFO L274 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,180 INFO L274 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,181 INFO L274 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-11-29 18:48:50,181 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 18:48:50,181 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 18:48:50,181 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 18:48:50,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:48:50 BoogieIcfgContainer [2020-11-29 18:48:50,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:48:50,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:48:50,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:48:50,245 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:48:50,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:47:23" (3/4) ... [2020-11-29 18:48:50,249 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:48:50,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 18:48:50,307 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:48:50,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:48:50,315 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:48:50,643 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fd24940b-8349-46d5-a9de-3a573f790917/bin/uautomizer/witness.graphml [2020-11-29 18:48:50,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:48:50,645 INFO L168 Benchmark]: Toolchain (without parser) took 92277.54 ms. Allocated memory was 104.9 MB in the beginning and 3.8 GB in the end (delta: 3.7 GB). Free memory was 73.3 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.8 GB. Max. memory is 16.1 GB. [2020-11-29 18:48:50,645 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 104.9 MB. Free memory was 62.4 MB in the beginning and 62.3 MB in the end (delta: 100.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:48:50,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1496.75 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 73.1 MB in the beginning and 89.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:50,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 245.46 ms. Allocated memory is still 138.4 MB. Free memory was 89.7 MB in the beginning and 65.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:50,646 INFO L168 Benchmark]: Boogie Preprocessor took 230.22 ms. Allocated memory is still 138.4 MB. Free memory was 65.8 MB in the beginning and 87.3 MB in the end (delta: -21.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:50,647 INFO L168 Benchmark]: RCFGBuilder took 3486.13 ms. Allocated memory was 138.4 MB in the beginning and 216.0 MB in the end (delta: 77.6 MB). Free memory was 87.3 MB in the beginning and 145.9 MB in the end (delta: -58.6 MB). Peak memory consumption was 96.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:50,648 INFO L168 Benchmark]: TraceAbstraction took 86388.15 ms. Allocated memory was 216.0 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 144.9 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2020-11-29 18:48:50,648 INFO L168 Benchmark]: Witness Printer took 398.86 ms. Allocated memory is still 3.8 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 38.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:48:50,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 104.9 MB. Free memory was 62.4 MB in the beginning and 62.3 MB in the end (delta: 100.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1496.75 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 73.1 MB in the beginning and 89.7 MB in the end (delta: -16.6 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 245.46 ms. Allocated memory is still 138.4 MB. Free memory was 89.7 MB in the beginning and 65.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 230.22 ms. Allocated memory is still 138.4 MB. Free memory was 65.8 MB in the beginning and 87.3 MB in the end (delta: -21.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3486.13 ms. Allocated memory was 138.4 MB in the beginning and 216.0 MB in the end (delta: 77.6 MB). Free memory was 87.3 MB in the beginning and 145.9 MB in the end (delta: -58.6 MB). Peak memory consumption was 96.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 86388.15 ms. Allocated memory was 216.0 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 144.9 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. * Witness Printer took 398.86 ms. Allocated memory is still 3.8 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 38.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a15 == 3 && 5 == a12) && a16 == 8) || (((7 == a12 && a15 == 4) && !(3 == input)) && a16 == 8)) || (((a12 == 6 && 0 <= a18 + 87) && a16 == 12) && a15 <= 3)) || (4 <= a15 && a16 == 9)) || (((4 <= a15 && 10 <= a16) && a16 <= 11) && a12 <= 5)) || ((((a15 == 3 && 0 <= a18 + 87) && 10 <= a16) && a16 <= 11) && 5 == a12)) || ((a15 == 3 && a16 == 9) && 5 == a12)) || ((7 <= a12 && a16 == 12) && a15 <= 3)) || (9 <= a12 && a16 == 8)) || ((0 <= a18 + 87 && a12 == 8) && a16 == 8)) || (((7 <= a12 && a12 <= 7) && a15 <= 3) && a16 == 8)) || (a16 == 9 && a12 == 8)) || ((((a18 <= 134 || !(3 == input)) && a15 == 4) && 5 == a12) && a16 == 8)) || ((((a16 == 9 && 7 <= a12) && a12 <= 7) && a16 <= 11) && a15 <= 3)) || ((a15 == 3 && a16 == 12) && 5 == a12)) || (((10 <= a16 && a12 == 8) && a16 <= 11) && a15 <= 3)) || ((((7 <= a12 && 10 <= a16) && a12 <= 7) && a16 <= 11) && a15 <= 3)) || (((a16 == 9 && a16 <= 11) && a15 <= 3) && 9 <= a12)) || (((10 <= a16 && a16 <= 11) && a15 <= 3) && 9 <= a12)) || (a12 == 6 && a16 == 8)) || ((a12 == 6 && 10 <= a16) && a16 <= 11)) || (((4 <= a15 && a12 == 8) && a18 + 156 <= 0) && a16 == 8) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((7 == a12 && a15 == 4) && !(3 == input)) && a16 == 8) || ((a15 == 3 && 5 == a12) && a16 == 8)) || (((4 <= a15 && 10 <= a16) && a16 <= 11) && a12 <= 5)) || (((a12 == 6 && 0 <= a18 + 87) && a16 == 12) && a15 <= 3)) || (4 <= a15 && a16 == 9)) || ((a15 == 4 && 5 == a12) && a16 == 8)) || (((7 <= a12 && 10 <= a16) && a16 <= 11) && a15 <= 3)) || ((a15 == 3 && a16 == 9) && 5 == a12)) || ((((a15 == 3 && 0 <= a18 + 87) && 10 <= a16) && a16 <= 11) && 5 == a12)) || ((0 <= a18 + 87 && a12 == 8) && a16 == 8)) || ((7 <= a12 && a16 == 12) && a15 <= 3)) || (9 <= a12 && a16 == 8)) || (a16 == 9 && 7 <= a12)) || (((7 <= a12 && a12 <= 7) && a15 <= 3) && a16 == 8)) || ((a15 == 3 && a16 == 12) && 5 == a12)) || (a12 == 6 && a16 == 8)) || ((a12 == 6 && 10 <= a16) && a16 <= 11)) || (((4 <= a15 && a12 == 8) && a18 + 156 <= 0) && a16 == 8) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((((((7 == a12 && a15 == 4) && !(3 == input)) && a16 == 8) || ((a15 == 3 && 5 == a12) && a16 == 8)) || (((4 <= a15 && 10 <= a16) && a16 <= 11) && a12 <= 5)) || (((a12 == 6 && 0 <= a18 + 87) && a16 == 12) && a15 <= 3)) || (4 <= a15 && a16 == 9)) || ((a15 == 4 && 5 == a12) && a16 == 8)) || (((7 <= a12 && 10 <= a16) && a16 <= 11) && a15 <= 3)) || ((a15 == 3 && a16 == 9) && 5 == a12)) || ((((a15 == 3 && 0 <= a18 + 87) && 10 <= a16) && a16 <= 11) && 5 == a12)) || ((0 <= a18 + 87 && a12 == 8) && a16 == 8)) || ((7 <= a12 && a16 == 12) && a15 <= 3)) || (9 <= a12 && a16 == 8)) || (a16 == 9 && 7 <= a12)) || (((7 <= a12 && a12 <= 7) && a15 <= 3) && a16 == 8)) || ((a15 == 3 && a16 == 12) && 5 == a12)) || (a12 == 6 && a16 == 8)) || ((a12 == 6 && 10 <= a16) && a16 <= 11)) || (((4 <= a15 && a12 == 8) && a18 + 156 <= 0) && a16 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 79.5s, OverallIterations: 20, TraceHistogramMax: 9, AutomataDifference: 46.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5852 SDtfs, 5225 SDslu, 376 SDs, 0 SdLazy, 19486 SolverSat, 2777 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3149 GetRequests, 3106 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15796occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 8723 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 178 NumberOfFragments, 673 HoareAnnotationTreeSize, 4 FomulaSimplifications, 8490 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 4 FomulaSimplificationsInter, 5941 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 17032 NumberOfCodeBlocks, 17032 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 17009 ConstructedInterpolants, 0 QuantifiedInterpolants, 40701674 SizeOfPredicates, 2 NumberOfNonLiveVariables, 3651 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 23 InterpolantComputations, 20 PerfectInterpolantSequences, 30831/31790 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...