./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label11.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_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/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 4f5e94ed071347129094298d5dbb28caecb84213 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:58:39,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:58:39,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:58:39,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:58:39,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:58:39,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:58:39,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:58:39,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:58:40,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:58:40,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:58:40,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:58:40,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:58:40,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:58:40,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:58:40,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:58:40,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:58:40,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:58:40,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:58:40,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:58:40,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:58:40,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:58:40,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:58:40,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:58:40,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:58:40,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:58:40,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:58:40,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:58:40,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:58:40,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:58:40,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:58:40,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:58:40,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:58:40,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:58:40,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:58:40,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:58:40,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:58:40,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:58:40,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:58:40,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:58:40,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:58:40,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:58:40,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:58:40,070 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:58:40,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:58:40,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:58:40,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:58:40,072 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:58:40,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:58:40,072 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:58:40,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:58:40,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:58:40,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:58:40,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:58:40,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:58:40,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:58:40,074 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:58:40,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:58:40,074 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:58:40,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:58:40,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:58:40,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:58:40,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:58:40,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:58:40,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:58:40,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:58:40,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:58:40,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:58:40,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:58:40,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:58:40,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:58:40,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:58:40,077 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_9eefc291-64a6-4e80-a4cc-875f03650431/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5e94ed071347129094298d5dbb28caecb84213 [2020-11-29 23:58:40,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:58:40,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:58:40,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:58:40,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:58:40,374 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:58:40,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label11.c [2020-11-29 23:58:40,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/data/a20187702/84899acb14bc4aac950060eec60f4491/FLAG38f878955 [2020-11-29 23:58:41,149 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:58:41,149 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/sv-benchmarks/c/eca-rers2012/Problem02_label11.c [2020-11-29 23:58:41,173 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/data/a20187702/84899acb14bc4aac950060eec60f4491/FLAG38f878955 [2020-11-29 23:58:41,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/data/a20187702/84899acb14bc4aac950060eec60f4491 [2020-11-29 23:58:41,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:58:41,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:58:41,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:58:41,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:58:41,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:58:41,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:58:41" (1/1) ... [2020-11-29 23:58:41,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329c3431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:41, skipping insertion in model container [2020-11-29 23:58:41,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:58:41" (1/1) ... [2020-11-29 23:58:41,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:58:41,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:58:41,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:58:41,978 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:58:42,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:58:42,181 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:58:42,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42 WrapperNode [2020-11-29 23:58:42,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:58:42,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:58:42,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:58:42,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:58:42,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (1/1) ... [2020-11-29 23:58:42,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (1/1) ... [2020-11-29 23:58:42,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:58:42,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:58:42,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:58:42,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:58:42,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (1/1) ... [2020-11-29 23:58:42,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (1/1) ... [2020-11-29 23:58:42,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (1/1) ... [2020-11-29 23:58:42,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (1/1) ... [2020-11-29 23:58:42,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (1/1) ... [2020-11-29 23:58:42,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (1/1) ... [2020-11-29 23:58:42,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (1/1) ... [2020-11-29 23:58:42,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:58:42,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:58:42,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:58:42,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:58:42,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/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 23:58:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:58:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:58:42,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:58:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:58:44,705 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:58:44,706 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 23:58:44,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:58:44 BoogieIcfgContainer [2020-11-29 23:58:44,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:58:44,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:58:44,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:58:44,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:58:44,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:58:41" (1/3) ... [2020-11-29 23:58:44,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435d5d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:58:44, skipping insertion in model container [2020-11-29 23:58:44,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:42" (2/3) ... [2020-11-29 23:58:44,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435d5d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:58:44, skipping insertion in model container [2020-11-29 23:58:44,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:58:44" (3/3) ... [2020-11-29 23:58:44,726 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label11.c [2020-11-29 23:58:44,744 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:58:44,750 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:58:44,762 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 23:58:44,794 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:58:44,794 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:58:44,795 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:58:44,795 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:58:44,801 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:58:44,801 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:58:44,802 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:58:44,802 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:58:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-29 23:58:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-29 23:58:44,839 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:44,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:44,840 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:44,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:44,848 INFO L82 PathProgramCache]: Analyzing trace with hash 253680629, now seen corresponding path program 1 times [2020-11-29 23:58:44,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:44,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602667940] [2020-11-29 23:58:44,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:45,439 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 23:58:45,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602667940] [2020-11-29 23:58:45,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:58:45,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:58:45,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684541243] [2020-11-29 23:58:45,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:58:45,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:45,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:45,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:58:45,469 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-29 23:58:47,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:47,003 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-11-29 23:58:47,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:47,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-11-29 23:58:47,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:47,046 INFO L225 Difference]: With dead ends: 597 [2020-11-29 23:58:47,047 INFO L226 Difference]: Without dead ends: 305 [2020-11-29 23:58:47,058 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 23:58:47,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-11-29 23:58:47,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-11-29 23:58:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-29 23:58:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-11-29 23:58:47,134 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 108 [2020-11-29 23:58:47,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:47,135 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-11-29 23:58:47,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:58:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-11-29 23:58:47,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-29 23:58:47,144 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:47,144 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 23:58:47,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:58:47,145 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:47,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:47,146 INFO L82 PathProgramCache]: Analyzing trace with hash -818392397, now seen corresponding path program 1 times [2020-11-29 23:58:47,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:47,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117317541] [2020-11-29 23:58:47,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:58:47,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117317541] [2020-11-29 23:58:47,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:58:47,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:58:47,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853568998] [2020-11-29 23:58:47,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:58:47,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:47,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:47,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:58:47,282 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-11-29 23:58:47,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:47,740 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-11-29 23:58:47,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:47,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-11-29 23:58:47,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:47,744 INFO L225 Difference]: With dead ends: 599 [2020-11-29 23:58:47,744 INFO L226 Difference]: Without dead ends: 296 [2020-11-29 23:58:47,747 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 23:58:47,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-11-29 23:58:47,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-11-29 23:58:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-11-29 23:58:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-11-29 23:58:47,786 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 119 [2020-11-29 23:58:47,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:47,789 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-11-29 23:58:47,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:58:47,789 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-11-29 23:58:47,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-11-29 23:58:47,799 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:47,800 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:58:47,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:58:47,800 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:47,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:47,801 INFO L82 PathProgramCache]: Analyzing trace with hash 315907576, now seen corresponding path program 1 times [2020-11-29 23:58:47,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:47,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977586049] [2020-11-29 23:58:47,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:58:47,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977586049] [2020-11-29 23:58:47,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:58:47,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:58:47,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106596563] [2020-11-29 23:58:47,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:58:47,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:47,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:47,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:58:47,944 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-11-29 23:58:48,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:48,652 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions. [2020-11-29 23:58:48,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:48,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-11-29 23:58:48,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:48,662 INFO L225 Difference]: With dead ends: 872 [2020-11-29 23:58:48,662 INFO L226 Difference]: Without dead ends: 578 [2020-11-29 23:58:48,665 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 23:58:48,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-11-29 23:58:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 438. [2020-11-29 23:58:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-11-29 23:58:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 573 transitions. [2020-11-29 23:58:48,694 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 573 transitions. Word has length 126 [2020-11-29 23:58:48,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:48,695 INFO L481 AbstractCegarLoop]: Abstraction has 438 states and 573 transitions. [2020-11-29 23:58:48,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:58:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 573 transitions. [2020-11-29 23:58:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-11-29 23:58:48,699 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:48,699 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-11-29 23:58:48,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 23:58:48,700 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:48,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:48,701 INFO L82 PathProgramCache]: Analyzing trace with hash -616418107, now seen corresponding path program 1 times [2020-11-29 23:58:48,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:48,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68134782] [2020-11-29 23:58:48,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:58:48,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68134782] [2020-11-29 23:58:48,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:58:48,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:58:48,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424593674] [2020-11-29 23:58:48,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:58:48,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:48,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:48,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:58:48,875 INFO L87 Difference]: Start difference. First operand 438 states and 573 transitions. Second operand 3 states. [2020-11-29 23:58:49,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:49,645 INFO L93 Difference]: Finished difference Result 1017 states and 1348 transitions. [2020-11-29 23:58:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:49,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2020-11-29 23:58:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:49,649 INFO L225 Difference]: With dead ends: 1017 [2020-11-29 23:58:49,649 INFO L226 Difference]: Without dead ends: 581 [2020-11-29 23:58:49,650 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 23:58:49,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-11-29 23:58:49,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 579. [2020-11-29 23:58:49,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-11-29 23:58:49,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 754 transitions. [2020-11-29 23:58:49,688 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 754 transitions. Word has length 131 [2020-11-29 23:58:49,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:49,688 INFO L481 AbstractCegarLoop]: Abstraction has 579 states and 754 transitions. [2020-11-29 23:58:49,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:58:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 754 transitions. [2020-11-29 23:58:49,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-29 23:58:49,696 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:49,696 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:58:49,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 23:58:49,696 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:49,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:49,697 INFO L82 PathProgramCache]: Analyzing trace with hash -121465925, now seen corresponding path program 1 times [2020-11-29 23:58:49,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:49,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072147722] [2020-11-29 23:58:49,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:58:50,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072147722] [2020-11-29 23:58:50,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319557189] [2020-11-29 23:58:50,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/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 23:58:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:50,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:58:50,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:58:50,484 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 23:58:50,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:58:50,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 23:58:50,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661930585] [2020-11-29 23:58:50,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:58:50,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:50,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:50,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:58:50,488 INFO L87 Difference]: Start difference. First operand 579 states and 754 transitions. Second operand 3 states. [2020-11-29 23:58:51,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:51,143 INFO L93 Difference]: Finished difference Result 1582 states and 2046 transitions. [2020-11-29 23:58:51,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:51,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-11-29 23:58:51,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:51,150 INFO L225 Difference]: With dead ends: 1582 [2020-11-29 23:58:51,150 INFO L226 Difference]: Without dead ends: 1005 [2020-11-29 23:58:51,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:58:51,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2020-11-29 23:58:51,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 861. [2020-11-29 23:58:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-11-29 23:58:51,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1086 transitions. [2020-11-29 23:58:51,192 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1086 transitions. Word has length 135 [2020-11-29 23:58:51,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:51,194 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1086 transitions. [2020-11-29 23:58:51,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:58:51,194 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1086 transitions. [2020-11-29 23:58:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-29 23:58:51,197 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:51,198 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 23:58:51,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:58:51,406 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:51,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:51,406 INFO L82 PathProgramCache]: Analyzing trace with hash 101952305, now seen corresponding path program 1 times [2020-11-29 23:58:51,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:51,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62319433] [2020-11-29 23:58:51,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 23:58:51,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62319433] [2020-11-29 23:58:51,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:58:51,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 23:58:51,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662933343] [2020-11-29 23:58:51,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:58:51,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:51,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:51,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:58:51,497 INFO L87 Difference]: Start difference. First operand 861 states and 1086 transitions. Second operand 3 states. [2020-11-29 23:58:52,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:52,272 INFO L93 Difference]: Finished difference Result 2281 states and 2841 transitions. [2020-11-29 23:58:52,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:52,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-11-29 23:58:52,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:52,283 INFO L225 Difference]: With dead ends: 2281 [2020-11-29 23:58:52,283 INFO L226 Difference]: Without dead ends: 1422 [2020-11-29 23:58:52,285 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 23:58:52,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-11-29 23:58:52,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1422. [2020-11-29 23:58:52,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2020-11-29 23:58:52,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1677 transitions. [2020-11-29 23:58:52,337 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1677 transitions. Word has length 139 [2020-11-29 23:58:52,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:52,337 INFO L481 AbstractCegarLoop]: Abstraction has 1422 states and 1677 transitions. [2020-11-29 23:58:52,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:58:52,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1677 transitions. [2020-11-29 23:58:52,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-29 23:58:52,343 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:52,343 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:58:52,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 23:58:52,353 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:52,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:52,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1499538006, now seen corresponding path program 1 times [2020-11-29 23:58:52,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:52,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353150465] [2020-11-29 23:58:52,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:52,518 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 23:58:52,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353150465] [2020-11-29 23:58:52,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:58:52,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:58:52,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783316199] [2020-11-29 23:58:52,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:58:52,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:52,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:52,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:58:52,522 INFO L87 Difference]: Start difference. First operand 1422 states and 1677 transitions. Second operand 3 states. [2020-11-29 23:58:53,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:53,347 INFO L93 Difference]: Finished difference Result 3263 states and 3903 transitions. [2020-11-29 23:58:53,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:53,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-11-29 23:58:53,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:53,361 INFO L225 Difference]: With dead ends: 3263 [2020-11-29 23:58:53,362 INFO L226 Difference]: Without dead ends: 1700 [2020-11-29 23:58:53,365 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 23:58:53,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2020-11-29 23:58:53,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2020-11-29 23:58:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2020-11-29 23:58:53,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 1872 transitions. [2020-11-29 23:58:53,417 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 1872 transitions. Word has length 161 [2020-11-29 23:58:53,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:53,418 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 1872 transitions. [2020-11-29 23:58:53,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:58:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1872 transitions. [2020-11-29 23:58:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-29 23:58:53,424 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:53,425 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:53,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 23:58:53,425 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:53,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:53,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1982811071, now seen corresponding path program 1 times [2020-11-29 23:58:53,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:53,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918942342] [2020-11-29 23:58:53,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:53,660 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-11-29 23:58:53,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918942342] [2020-11-29 23:58:53,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921828718] [2020-11-29 23:58:53,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/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 23:58:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:53,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:58:53,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:58:53,934 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 23:58:53,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:58:53,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 23:58:53,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327290153] [2020-11-29 23:58:53,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:58:53,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:53,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:53,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:58:53,937 INFO L87 Difference]: Start difference. First operand 1700 states and 1872 transitions. Second operand 3 states. [2020-11-29 23:58:54,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:54,734 INFO L93 Difference]: Finished difference Result 3678 states and 4097 transitions. [2020-11-29 23:58:54,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:54,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2020-11-29 23:58:54,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:54,748 INFO L225 Difference]: With dead ends: 3678 [2020-11-29 23:58:54,749 INFO L226 Difference]: Without dead ends: 2120 [2020-11-29 23:58:54,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:58:54,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2020-11-29 23:58:54,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2118. [2020-11-29 23:58:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2118 states. [2020-11-29 23:58:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 2118 states and 2334 transitions. [2020-11-29 23:58:54,822 INFO L78 Accepts]: Start accepts. Automaton has 2118 states and 2334 transitions. Word has length 184 [2020-11-29 23:58:54,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:54,823 INFO L481 AbstractCegarLoop]: Abstraction has 2118 states and 2334 transitions. [2020-11-29 23:58:54,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:58:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2334 transitions. [2020-11-29 23:58:54,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-29 23:58:54,831 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:54,831 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:58:55,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 23:58:55,058 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:55,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:55,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1127459087, now seen corresponding path program 1 times [2020-11-29 23:58:55,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:55,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300628813] [2020-11-29 23:58:55,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 23:58:55,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300628813] [2020-11-29 23:58:55,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:58:55,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:58:55,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556442691] [2020-11-29 23:58:55,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:58:55,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:55,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:55,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:58:55,273 INFO L87 Difference]: Start difference. First operand 2118 states and 2334 transitions. Second operand 3 states. [2020-11-29 23:58:56,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:56,088 INFO L93 Difference]: Finished difference Result 4512 states and 4942 transitions. [2020-11-29 23:58:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:56,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-11-29 23:58:56,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:56,106 INFO L225 Difference]: With dead ends: 4512 [2020-11-29 23:58:56,106 INFO L226 Difference]: Without dead ends: 2536 [2020-11-29 23:58:56,110 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 23:58:56,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2020-11-29 23:58:56,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 1836. [2020-11-29 23:58:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2020-11-29 23:58:56,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2004 transitions. [2020-11-29 23:58:56,187 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2004 transitions. Word has length 206 [2020-11-29 23:58:56,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:56,187 INFO L481 AbstractCegarLoop]: Abstraction has 1836 states and 2004 transitions. [2020-11-29 23:58:56,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:58:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2004 transitions. [2020-11-29 23:58:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-29 23:58:56,196 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:56,196 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 23:58:56,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 23:58:56,197 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:56,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:56,198 INFO L82 PathProgramCache]: Analyzing trace with hash -290212956, now seen corresponding path program 1 times [2020-11-29 23:58:56,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:56,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796719369] [2020-11-29 23:58:56,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:58:56,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796719369] [2020-11-29 23:58:56,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569679764] [2020-11-29 23:58:56,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/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 23:58:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:56,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 23:58:56,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:58:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-29 23:58:56,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 23:58:56,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-29 23:58:56,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525157697] [2020-11-29 23:58:56,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 23:58:56,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:56,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:58:56,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-29 23:58:56,887 INFO L87 Difference]: Start difference. First operand 1836 states and 2004 transitions. Second operand 3 states. [2020-11-29 23:58:57,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:57,609 INFO L93 Difference]: Finished difference Result 3529 states and 3862 transitions. [2020-11-29 23:58:57,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:58:57,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-11-29 23:58:57,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:57,611 INFO L225 Difference]: With dead ends: 3529 [2020-11-29 23:58:57,611 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:58:57,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 205 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 23:58:57,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:58:57,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:58:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:58:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:58:57,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2020-11-29 23:58:57,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:57,619 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:58:57,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 23:58:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:58:57,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:58:57,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 23:58:57,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:58:58,043 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-11-29 23:58:58,188 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-11-29 23:58:58,192 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,192 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,192 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,192 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-29 23:58:58,193 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-29 23:58:58,194 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-29 23:58:58,195 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-29 23:58:58,196 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-29 23:58:58,197 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,197 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,197 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,197 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-29 23:58:58,197 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-29 23:58:58,197 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-29 23:58:58,197 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-29 23:58:58,197 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-29 23:58:58,201 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,201 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,201 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,201 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-29 23:58:58,202 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-29 23:58:58,202 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-29 23:58:58,202 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-29 23:58:58,202 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-29 23:58:58,205 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-29 23:58:58,205 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-29 23:58:58,205 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-29 23:58:58,205 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,206 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,206 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,206 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-29 23:58:58,206 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:58:58,206 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-29 23:58:58,206 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-29 23:58:58,206 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-29 23:58:58,207 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-29 23:58:58,207 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-29 23:58:58,207 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-29 23:58:58,207 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-29 23:58:58,207 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,207 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,207 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,208 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-29 23:58:58,208 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-29 23:58:58,208 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-29 23:58:58,208 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-29 23:58:58,208 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-29 23:58:58,208 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-29 23:58:58,209 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-29 23:58:58,209 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-29 23:58:58,209 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-29 23:58:58,209 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,209 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,209 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,209 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-29 23:58:58,210 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-29 23:58:58,210 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-29 23:58:58,210 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-29 23:58:58,210 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-29 23:58:58,210 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-29 23:58:58,210 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:58:58,211 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 23:58:58,211 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,211 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,211 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,211 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-29 23:58:58,211 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-29 23:58:58,211 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-29 23:58:58,212 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-29 23:58:58,212 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-29 23:58:58,212 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-29 23:58:58,212 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-29 23:58:58,212 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-29 23:58:58,213 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,213 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,213 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,213 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-29 23:58:58,213 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-29 23:58:58,213 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-29 23:58:58,214 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-29 23:58:58,214 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-29 23:58:58,214 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,214 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,214 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,214 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-29 23:58:58,214 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-29 23:58:58,215 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-29 23:58:58,215 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-29 23:58:58,215 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-29 23:58:58,215 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-29 23:58:58,215 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-29 23:58:58,215 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-29 23:58:58,215 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-29 23:58:58,216 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-29 23:58:58,216 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-29 23:58:58,216 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,216 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,216 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-29 23:58:58,216 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-29 23:58:58,216 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-29 23:58:58,217 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-29 23:58:58,217 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-29 23:58:58,217 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-29 23:58:58,217 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-29 23:58:58,217 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-29 23:58:58,217 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-29 23:58:58,218 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 23:58:58,218 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (not (= ~a11~0 1))) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and (= ~a19~0 1) (<= 8 ~a17~0) .cse0 .cse1) (and (<= ~a28~0 7) .cse1) (and .cse0 .cse1 (<= ~a25~0 0) .cse2) (and (<= 9 ~a28~0) .cse1 .cse2))) [2020-11-29 23:58:58,218 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,218 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,219 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-29 23:58:58,219 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-29 23:58:58,219 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-29 23:58:58,219 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-29 23:58:58,219 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-29 23:58:58,219 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-29 23:58:58,219 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-29 23:58:58,220 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,220 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,220 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-29 23:58:58,220 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-29 23:58:58,220 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-29 23:58:58,220 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-29 23:58:58,220 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-29 23:58:58,221 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-29 23:58:58,221 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-29 23:58:58,221 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-29 23:58:58,221 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-29 23:58:58,221 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,221 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,221 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-29 23:58:58,222 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-29 23:58:58,222 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-29 23:58:58,222 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-29 23:58:58,222 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:58:58,222 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-29 23:58:58,222 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-29 23:58:58,224 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (not (= ~a11~0 1))) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and (= ~a19~0 1) (<= 8 ~a17~0) .cse0 .cse1) (and (<= ~a28~0 7) .cse1) (and .cse0 .cse1 (<= ~a25~0 0) .cse2) (and (<= 9 ~a28~0) .cse1 .cse2))) [2020-11-29 23:58:58,224 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,224 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,225 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-29 23:58:58,225 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-29 23:58:58,225 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-29 23:58:58,225 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-29 23:58:58,225 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-29 23:58:58,225 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,225 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,226 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-29 23:58:58,226 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-29 23:58:58,226 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-29 23:58:58,226 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-29 23:58:58,226 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-29 23:58:58,226 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-29 23:58:58,226 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-29 23:58:58,227 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-29 23:58:58,227 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-29 23:58:58,227 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,227 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,227 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-29 23:58:58,227 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,227 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:58:58,228 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-29 23:58:58,228 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-29 23:58:58,228 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-29 23:58:58,228 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-29 23:58:58,228 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-29 23:58:58,228 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-29 23:58:58,228 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,229 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,229 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,229 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-29 23:58:58,229 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-29 23:58:58,229 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-29 23:58:58,229 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-29 23:58:58,229 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-29 23:58:58,230 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,230 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,230 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-29 23:58:58,230 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-29 23:58:58,230 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-29 23:58:58,230 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-29 23:58:58,230 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-29 23:58:58,231 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-29 23:58:58,231 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-29 23:58:58,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:58:58 BoogieIcfgContainer [2020-11-29 23:58:58,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:58:58,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:58:58,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:58:58,266 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:58:58,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:58:44" (3/4) ... [2020-11-29 23:58:58,272 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:58:58,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 23:58:58,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:58:58,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:58:58,314 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:58:58,527 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9eefc291-64a6-4e80-a4cc-875f03650431/bin/uautomizer/witness.graphml [2020-11-29 23:58:58,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:58:58,529 INFO L168 Benchmark]: Toolchain (without parser) took 17187.69 ms. Allocated memory was 86.0 MB in the beginning and 320.9 MB in the end (delta: 234.9 MB). Free memory was 52.7 MB in the beginning and 259.3 MB in the end (delta: -206.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:58,530 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 86.0 MB. Free memory was 42.9 MB in the beginning and 42.8 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:58:58,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.55 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 52.5 MB in the beginning and 74.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:58,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.47 ms. Allocated memory is still 113.2 MB. Free memory was 74.3 MB in the beginning and 68.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:58,532 INFO L168 Benchmark]: Boogie Preprocessor took 125.69 ms. Allocated memory is still 113.2 MB. Free memory was 68.6 MB in the beginning and 64.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:58,532 INFO L168 Benchmark]: RCFGBuilder took 2241.51 ms. Allocated memory is still 113.2 MB. Free memory was 64.4 MB in the beginning and 51.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 45.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:58,533 INFO L168 Benchmark]: TraceAbstraction took 13551.75 ms. Allocated memory was 113.2 MB in the beginning and 320.9 MB in the end (delta: 207.6 MB). Free memory was 51.8 MB in the beginning and 275.0 MB in the end (delta: -223.2 MB). Peak memory consumption was 159.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:58,533 INFO L168 Benchmark]: Witness Printer took 262.15 ms. Allocated memory is still 320.9 MB. Free memory was 275.0 MB in the beginning and 259.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:58,536 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 86.0 MB. Free memory was 42.9 MB in the beginning and 42.8 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 828.55 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 52.5 MB in the beginning and 74.3 MB in the end (delta: -21.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 158.47 ms. Allocated memory is still 113.2 MB. Free memory was 74.3 MB in the beginning and 68.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 125.69 ms. Allocated memory is still 113.2 MB. Free memory was 68.6 MB in the beginning and 64.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2241.51 ms. Allocated memory is still 113.2 MB. Free memory was 64.4 MB in the beginning and 51.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 45.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13551.75 ms. Allocated memory was 113.2 MB in the beginning and 320.9 MB in the end (delta: 207.6 MB). Free memory was 51.8 MB in the beginning and 275.0 MB in the end (delta: -223.2 MB). Peak memory consumption was 159.5 MB. Max. memory is 16.1 GB. * Witness Printer took 262.15 ms. Allocated memory is still 320.9 MB. Free memory was 275.0 MB in the beginning and 259.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8) || (a28 <= 7 && a17 <= 8)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8) || (a28 <= 7 && a17 <= 8)) || (((!(a11 == 1) && a17 <= 8) && a25 <= 0) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.0s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 774 SDtfs, 1264 SDslu, 97 SDs, 0 SdLazy, 3286 SolverSat, 590 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 551 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2118occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 988 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 93 HoareAnnotationTreeSize, 3 FomulaSimplifications, 724 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 198 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2040 NumberOfCodeBlocks, 2040 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2027 ConstructedInterpolants, 0 QuantifiedInterpolants, 1207272 SizeOfPredicates, 3 NumberOfNonLiveVariables, 997 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 888/970 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...