./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label38.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_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label38.c -s /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/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 3f36b3574a222deadefa083717d319eba8aaf260 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:16:29,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:16:29,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:16:30,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:16:30,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:16:30,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:16:30,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:16:30,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:16:30,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:16:30,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:16:30,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:16:30,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:16:30,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:16:30,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:16:30,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:16:30,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:16:30,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:16:30,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:16:30,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:16:30,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:16:30,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:16:30,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:16:30,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:16:30,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:16:30,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:16:30,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:16:30,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:16:30,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:16:30,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:16:30,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:16:30,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:16:30,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:16:30,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:16:30,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:16:30,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:16:30,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:16:30,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:16:30,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:16:30,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:16:30,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:16:30,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:16:30,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:16:30,136 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:16:30,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:16:30,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:16:30,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:16:30,140 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:16:30,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:16:30,140 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:16:30,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:16:30,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:16:30,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:16:30,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:16:30,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:16:30,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:16:30,143 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:16:30,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:16:30,145 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:16:30,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:16:30,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:16:30,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:16:30,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:16:30,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:16:30,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:16:30,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:16:30,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:16:30,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:16:30,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:16:30,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:16:30,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:16:30,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:16:30,149 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_352a9600-31b0-4c69-9fd5-17a295ee20fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f36b3574a222deadefa083717d319eba8aaf260 [2020-11-28 03:16:30,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:16:30,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:16:30,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:16:30,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:16:30,444 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:16:30,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label38.c [2020-11-28 03:16:30,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/data/7796543a4/a473ccd840624a369fd9ab4deee0b4c7/FLAG08dfed9d3 [2020-11-28 03:16:31,152 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:16:31,153 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/sv-benchmarks/c/eca-rers2012/Problem14_label38.c [2020-11-28 03:16:31,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/data/7796543a4/a473ccd840624a369fd9ab4deee0b4c7/FLAG08dfed9d3 [2020-11-28 03:16:31,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/data/7796543a4/a473ccd840624a369fd9ab4deee0b4c7 [2020-11-28 03:16:31,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:16:31,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:16:31,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:31,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:16:31,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:16:31,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:31" (1/1) ... [2020-11-28 03:16:31,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e6b751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:31, skipping insertion in model container [2020-11-28 03:16:31,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:31" (1/1) ... [2020-11-28 03:16:31,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:16:31,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:16:32,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:32,020 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:16:32,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:32,309 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:16:32,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32 WrapperNode [2020-11-28 03:16:32,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:32,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:32,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:16:32,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:16:32,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (1/1) ... [2020-11-28 03:16:32,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (1/1) ... [2020-11-28 03:16:32,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:32,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:16:32,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:16:32,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:16:32,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (1/1) ... [2020-11-28 03:16:32,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (1/1) ... [2020-11-28 03:16:32,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (1/1) ... [2020-11-28 03:16:32,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (1/1) ... [2020-11-28 03:16:32,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (1/1) ... [2020-11-28 03:16:32,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (1/1) ... [2020-11-28 03:16:32,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (1/1) ... [2020-11-28 03:16:32,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:16:32,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:16:32,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:16:32,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:16:32,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/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 [2020-11-28 03:16:32,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:16:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:16:32,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:16:32,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:16:34,157 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:16:34,157 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:16:34,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:34 BoogieIcfgContainer [2020-11-28 03:16:34,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:16:34,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:16:34,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:16:34,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:16:34,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:16:31" (1/3) ... [2020-11-28 03:16:34,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa59928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:34, skipping insertion in model container [2020-11-28 03:16:34,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:32" (2/3) ... [2020-11-28 03:16:34,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fa59928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:34, skipping insertion in model container [2020-11-28 03:16:34,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:34" (3/3) ... [2020-11-28 03:16:34,169 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-11-28 03:16:34,183 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:16:34,188 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:16:34,200 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:16:34,242 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:16:34,242 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:16:34,243 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:16:34,243 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:16:34,243 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:16:34,243 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:16:34,243 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:16:34,244 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:16:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-28 03:16:34,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 03:16:34,278 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:34,279 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] [2020-11-28 03:16:34,279 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:34,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:34,285 INFO L82 PathProgramCache]: Analyzing trace with hash 761214138, now seen corresponding path program 1 times [2020-11-28 03:16:34,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:34,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340463892] [2020-11-28 03:16:34,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:34,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:34,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340463892] [2020-11-28 03:16:34,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:34,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:16:34,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444577719] [2020-11-28 03:16:34,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:34,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:34,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:34,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:34,603 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-28 03:16:35,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:35,873 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-11-28 03:16:35,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:35,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-11-28 03:16:35,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:35,890 INFO L225 Difference]: With dead ends: 670 [2020-11-28 03:16:35,890 INFO L226 Difference]: Without dead ends: 360 [2020-11-28 03:16:35,895 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 [2020-11-28 03:16:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-28 03:16:35,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-11-28 03:16:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-28 03:16:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-11-28 03:16:35,965 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 50 [2020-11-28 03:16:35,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:35,966 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-11-28 03:16:35,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:35,966 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-11-28 03:16:35,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-28 03:16:35,972 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:35,972 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:35,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:16:35,973 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:35,974 INFO L82 PathProgramCache]: Analyzing trace with hash -15900462, now seen corresponding path program 1 times [2020-11-28 03:16:35,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:35,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698033295] [2020-11-28 03:16:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:36,209 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:36,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698033295] [2020-11-28 03:16:36,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:36,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:16:36,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495540144] [2020-11-28 03:16:36,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:36,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:36,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:36,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:36,215 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-11-28 03:16:37,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:37,233 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2020-11-28 03:16:37,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:37,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-11-28 03:16:37,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:37,243 INFO L225 Difference]: With dead ends: 1074 [2020-11-28 03:16:37,244 INFO L226 Difference]: Without dead ends: 716 [2020-11-28 03:16:37,250 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 [2020-11-28 03:16:37,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-28 03:16:37,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2020-11-28 03:16:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-11-28 03:16:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 802 transitions. [2020-11-28 03:16:37,291 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 802 transitions. Word has length 115 [2020-11-28 03:16:37,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:37,292 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 802 transitions. [2020-11-28 03:16:37,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 802 transitions. [2020-11-28 03:16:37,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-28 03:16:37,299 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:37,299 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:37,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:16:37,300 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:37,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:37,301 INFO L82 PathProgramCache]: Analyzing trace with hash 304303919, now seen corresponding path program 1 times [2020-11-28 03:16:37,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:37,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332371099] [2020-11-28 03:16:37,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:37,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332371099] [2020-11-28 03:16:37,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:37,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:37,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028932936] [2020-11-28 03:16:37,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:37,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:37,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:37,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:37,572 INFO L87 Difference]: Start difference. First operand 538 states and 802 transitions. Second operand 4 states. [2020-11-28 03:16:39,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:39,049 INFO L93 Difference]: Finished difference Result 1430 states and 2030 transitions. [2020-11-28 03:16:39,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:16:39,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2020-11-28 03:16:39,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:39,056 INFO L225 Difference]: With dead ends: 1430 [2020-11-28 03:16:39,057 INFO L226 Difference]: Without dead ends: 894 [2020-11-28 03:16:39,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:39,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-11-28 03:16:39,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-11-28 03:16:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-11-28 03:16:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1194 transitions. [2020-11-28 03:16:39,097 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1194 transitions. Word has length 129 [2020-11-28 03:16:39,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:39,098 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1194 transitions. [2020-11-28 03:16:39,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1194 transitions. [2020-11-28 03:16:39,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-11-28 03:16:39,108 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:39,109 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:16:39,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:16:39,109 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:39,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:39,110 INFO L82 PathProgramCache]: Analyzing trace with hash 948628163, now seen corresponding path program 1 times [2020-11-28 03:16:39,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:39,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546152059] [2020-11-28 03:16:39,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 03:16:39,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546152059] [2020-11-28 03:16:39,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:39,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:39,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882979002] [2020-11-28 03:16:39,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:39,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:39,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:39,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:39,356 INFO L87 Difference]: Start difference. First operand 894 states and 1194 transitions. Second operand 4 states. [2020-11-28 03:16:40,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:40,562 INFO L93 Difference]: Finished difference Result 1993 states and 2629 transitions. [2020-11-28 03:16:40,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:16:40,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 209 [2020-11-28 03:16:40,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:40,569 INFO L225 Difference]: With dead ends: 1993 [2020-11-28 03:16:40,569 INFO L226 Difference]: Without dead ends: 1072 [2020-11-28 03:16:40,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:40,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-11-28 03:16:40,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-11-28 03:16:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-11-28 03:16:40,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1264 transitions. [2020-11-28 03:16:40,604 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1264 transitions. Word has length 209 [2020-11-28 03:16:40,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:40,606 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1264 transitions. [2020-11-28 03:16:40,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:40,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1264 transitions. [2020-11-28 03:16:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-11-28 03:16:40,615 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:40,616 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:16:40,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:16:40,616 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:40,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:40,617 INFO L82 PathProgramCache]: Analyzing trace with hash 561618589, now seen corresponding path program 1 times [2020-11-28 03:16:40,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:40,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066863690] [2020-11-28 03:16:40,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:40,939 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:40,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066863690] [2020-11-28 03:16:40,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547887546] [2020-11-28 03:16:40,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/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 [2020-11-28 03:16:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:41,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:16:41,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:16:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-28 03:16:41,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:16:41,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-11-28 03:16:41,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605214328] [2020-11-28 03:16:41,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:41,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:41,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:41,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:16:41,362 INFO L87 Difference]: Start difference. First operand 1072 states and 1264 transitions. Second operand 3 states. [2020-11-28 03:16:42,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:42,415 INFO L93 Difference]: Finished difference Result 2320 states and 2779 transitions. [2020-11-28 03:16:42,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:42,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2020-11-28 03:16:42,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:42,425 INFO L225 Difference]: With dead ends: 2320 [2020-11-28 03:16:42,425 INFO L226 Difference]: Without dead ends: 1250 [2020-11-28 03:16:42,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:16:42,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-11-28 03:16:42,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1072. [2020-11-28 03:16:42,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-11-28 03:16:42,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1250 transitions. [2020-11-28 03:16:42,457 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1250 transitions. Word has length 221 [2020-11-28 03:16:42,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:42,458 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1250 transitions. [2020-11-28 03:16:42,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:42,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1250 transitions. [2020-11-28 03:16:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-11-28 03:16:42,461 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:42,462 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:16:42,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:16:42,680 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:42,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:42,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1307081068, now seen corresponding path program 1 times [2020-11-28 03:16:42,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:42,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734579566] [2020-11-28 03:16:42,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:42,905 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:42,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734579566] [2020-11-28 03:16:42,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:42,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:42,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51260019] [2020-11-28 03:16:42,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:42,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:42,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:42,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:42,908 INFO L87 Difference]: Start difference. First operand 1072 states and 1250 transitions. Second operand 3 states. [2020-11-28 03:16:43,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:43,806 INFO L93 Difference]: Finished difference Result 2854 states and 3362 transitions. [2020-11-28 03:16:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:43,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-11-28 03:16:43,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:43,816 INFO L225 Difference]: With dead ends: 2854 [2020-11-28 03:16:43,816 INFO L226 Difference]: Without dead ends: 1784 [2020-11-28 03:16:43,818 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 [2020-11-28 03:16:43,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-11-28 03:16:43,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1606. [2020-11-28 03:16:43,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-28 03:16:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1824 transitions. [2020-11-28 03:16:43,858 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1824 transitions. Word has length 224 [2020-11-28 03:16:43,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:43,858 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1824 transitions. [2020-11-28 03:16:43,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1824 transitions. [2020-11-28 03:16:43,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2020-11-28 03:16:43,864 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:43,865 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:43,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:16:43,872 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:43,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:43,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1084549231, now seen corresponding path program 1 times [2020-11-28 03:16:43,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:43,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565508597] [2020-11-28 03:16:43,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-28 03:16:44,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565508597] [2020-11-28 03:16:44,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:44,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:44,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178638267] [2020-11-28 03:16:44,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:44,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:44,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:44,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:44,337 INFO L87 Difference]: Start difference. First operand 1606 states and 1824 transitions. Second operand 4 states. [2020-11-28 03:16:45,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:45,416 INFO L93 Difference]: Finished difference Result 3268 states and 3727 transitions. [2020-11-28 03:16:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:16:45,417 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 341 [2020-11-28 03:16:45,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:45,427 INFO L225 Difference]: With dead ends: 3268 [2020-11-28 03:16:45,427 INFO L226 Difference]: Without dead ends: 1784 [2020-11-28 03:16:45,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:45,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-11-28 03:16:45,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1606. [2020-11-28 03:16:45,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-28 03:16:45,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1751 transitions. [2020-11-28 03:16:45,466 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1751 transitions. Word has length 341 [2020-11-28 03:16:45,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:45,468 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1751 transitions. [2020-11-28 03:16:45,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1751 transitions. [2020-11-28 03:16:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-11-28 03:16:45,477 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:45,478 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:45,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:16:45,478 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:45,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:45,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1009206644, now seen corresponding path program 1 times [2020-11-28 03:16:45,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:45,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228539542] [2020-11-28 03:16:45,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-28 03:16:45,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228539542] [2020-11-28 03:16:45,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:45,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:45,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893947430] [2020-11-28 03:16:45,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:45,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:45,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:45,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:45,915 INFO L87 Difference]: Start difference. First operand 1606 states and 1751 transitions. Second operand 3 states. [2020-11-28 03:16:46,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:46,806 INFO L93 Difference]: Finished difference Result 3922 states and 4309 transitions. [2020-11-28 03:16:46,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:46,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 436 [2020-11-28 03:16:46,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:46,819 INFO L225 Difference]: With dead ends: 3922 [2020-11-28 03:16:46,819 INFO L226 Difference]: Without dead ends: 2496 [2020-11-28 03:16:46,822 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 [2020-11-28 03:16:46,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-11-28 03:16:46,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1962. [2020-11-28 03:16:46,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-11-28 03:16:46,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2110 transitions. [2020-11-28 03:16:46,869 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2110 transitions. Word has length 436 [2020-11-28 03:16:46,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:46,870 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2110 transitions. [2020-11-28 03:16:46,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2110 transitions. [2020-11-28 03:16:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2020-11-28 03:16:46,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:46,879 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:46,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:16:46,879 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:46,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:46,880 INFO L82 PathProgramCache]: Analyzing trace with hash 722549297, now seen corresponding path program 1 times [2020-11-28 03:16:46,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:46,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530266142] [2020-11-28 03:16:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-28 03:16:47,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530266142] [2020-11-28 03:16:47,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:47,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:47,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602871183] [2020-11-28 03:16:47,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:47,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:47,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:47,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:47,253 INFO L87 Difference]: Start difference. First operand 1962 states and 2110 transitions. Second operand 3 states. [2020-11-28 03:16:47,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:47,969 INFO L93 Difference]: Finished difference Result 4456 states and 4861 transitions. [2020-11-28 03:16:47,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:47,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 443 [2020-11-28 03:16:47,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:47,985 INFO L225 Difference]: With dead ends: 4456 [2020-11-28 03:16:47,985 INFO L226 Difference]: Without dead ends: 2674 [2020-11-28 03:16:47,988 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 [2020-11-28 03:16:47,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-28 03:16:48,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-11-28 03:16:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-11-28 03:16:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2661 transitions. [2020-11-28 03:16:48,044 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2661 transitions. Word has length 443 [2020-11-28 03:16:48,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:48,045 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2661 transitions. [2020-11-28 03:16:48,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2661 transitions. [2020-11-28 03:16:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2020-11-28 03:16:48,060 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:48,062 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:48,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:16:48,063 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:48,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:48,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1869662360, now seen corresponding path program 1 times [2020-11-28 03:16:48,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:48,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462959762] [2020-11-28 03:16:48,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 514 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-11-28 03:16:48,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462959762] [2020-11-28 03:16:48,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:48,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:48,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150681436] [2020-11-28 03:16:48,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:48,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:48,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:48,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:48,591 INFO L87 Difference]: Start difference. First operand 2496 states and 2661 transitions. Second operand 3 states. [2020-11-28 03:16:49,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:49,476 INFO L93 Difference]: Finished difference Result 5524 states and 5971 transitions. [2020-11-28 03:16:49,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:49,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 598 [2020-11-28 03:16:49,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:49,493 INFO L225 Difference]: With dead ends: 5524 [2020-11-28 03:16:49,493 INFO L226 Difference]: Without dead ends: 3208 [2020-11-28 03:16:49,496 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 [2020-11-28 03:16:49,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-11-28 03:16:49,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-11-28 03:16:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-11-28 03:16:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3227 transitions. [2020-11-28 03:16:49,558 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3227 transitions. Word has length 598 [2020-11-28 03:16:49,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:49,559 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3227 transitions. [2020-11-28 03:16:49,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:49,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3227 transitions. [2020-11-28 03:16:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2020-11-28 03:16:49,576 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:49,577 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:49,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:16:49,577 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:49,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:49,578 INFO L82 PathProgramCache]: Analyzing trace with hash 415087157, now seen corresponding path program 1 times [2020-11-28 03:16:49,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:49,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355724588] [2020-11-28 03:16:49,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 789 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-11-28 03:16:50,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355724588] [2020-11-28 03:16:50,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:50,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:50,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382990980] [2020-11-28 03:16:50,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:50,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:50,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:50,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:50,226 INFO L87 Difference]: Start difference. First operand 3030 states and 3227 transitions. Second operand 3 states. [2020-11-28 03:16:50,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:50,899 INFO L93 Difference]: Finished difference Result 6592 states and 7095 transitions. [2020-11-28 03:16:50,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:50,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 616 [2020-11-28 03:16:50,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:50,924 INFO L225 Difference]: With dead ends: 6592 [2020-11-28 03:16:50,925 INFO L226 Difference]: Without dead ends: 3742 [2020-11-28 03:16:50,928 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 [2020-11-28 03:16:50,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-11-28 03:16:50,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-11-28 03:16:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-28 03:16:51,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3620 transitions. [2020-11-28 03:16:51,001 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3620 transitions. Word has length 616 [2020-11-28 03:16:51,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:51,003 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3620 transitions. [2020-11-28 03:16:51,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3620 transitions. [2020-11-28 03:16:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2020-11-28 03:16:51,009 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:51,010 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:51,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:16:51,010 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:51,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:51,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1946241381, now seen corresponding path program 1 times [2020-11-28 03:16:51,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:51,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527628421] [2020-11-28 03:16:51,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:51,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 882 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-28 03:16:51,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527628421] [2020-11-28 03:16:51,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150035375] [2020-11-28 03:16:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/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 [2020-11-28 03:16:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:51,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:16:51,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:16:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-11-28 03:16:52,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:16:52,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:16:52,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201677244] [2020-11-28 03:16:52,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:52,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:52,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:52,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:52,162 INFO L87 Difference]: Start difference. First operand 3386 states and 3620 transitions. Second operand 3 states. [2020-11-28 03:16:52,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:52,741 INFO L93 Difference]: Finished difference Result 7660 states and 8178 transitions. [2020-11-28 03:16:52,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:52,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 639 [2020-11-28 03:16:52,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:52,759 INFO L225 Difference]: With dead ends: 7660 [2020-11-28 03:16:52,760 INFO L226 Difference]: Without dead ends: 3564 [2020-11-28 03:16:52,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:52,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-11-28 03:16:52,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-11-28 03:16:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-28 03:16:52,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-11-28 03:16:52,842 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 639 [2020-11-28 03:16:52,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:52,843 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-11-28 03:16:52,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:52,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-11-28 03:16:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2020-11-28 03:16:52,853 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:52,854 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:53,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-28 03:16:53,080 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:53,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:53,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1035963226, now seen corresponding path program 1 times [2020-11-28 03:16:53,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:53,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740642053] [2020-11-28 03:16:53,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:53,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 1294 proven. 155 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-11-28 03:16:53,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740642053] [2020-11-28 03:16:53,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132914284] [2020-11-28 03:16:53,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/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 [2020-11-28 03:16:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:54,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:16:54,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:16:54,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-11-28 03:16:54,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:16:54,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:16:54,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464672671] [2020-11-28 03:16:54,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:54,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:54,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:54,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:54,519 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-11-28 03:16:55,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:55,073 INFO L93 Difference]: Finished difference Result 4278 states and 4537 transitions. [2020-11-28 03:16:55,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:55,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 786 [2020-11-28 03:16:55,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:55,094 INFO L225 Difference]: With dead ends: 4278 [2020-11-28 03:16:55,094 INFO L226 Difference]: Without dead ends: 4276 [2020-11-28 03:16:55,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 789 GetRequests, 786 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:55,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-11-28 03:16:55,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-11-28 03:16:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-28 03:16:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-11-28 03:16:55,162 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 786 [2020-11-28 03:16:55,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:55,163 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-11-28 03:16:55,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:55,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-11-28 03:16:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2020-11-28 03:16:55,173 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:55,174 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:55,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-28 03:16:55,400 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:55,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:55,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1613797978, now seen corresponding path program 1 times [2020-11-28 03:16:55,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:55,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310740954] [2020-11-28 03:16:55,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 1765 proven. 110 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-11-28 03:16:56,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310740954] [2020-11-28 03:16:56,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802676037] [2020-11-28 03:16:56,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:16:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:56,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:16:56,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:16:56,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2355 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-11-28 03:16:56,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:16:56,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:16:56,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359911149] [2020-11-28 03:16:56,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:56,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:56,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:56,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:56,975 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-11-28 03:16:57,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:57,838 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-11-28 03:16:57,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:57,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 817 [2020-11-28 03:16:57,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:57,840 INFO L225 Difference]: With dead ends: 7302 [2020-11-28 03:16:57,840 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:16:57,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 817 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:16:57,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:16:57,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:16:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:16:57,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:16:57,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 817 [2020-11-28 03:16:57,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:57,851 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:16:57,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:16:57,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:16:58,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:16:58,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:16:58,409 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-11-28 03:16:58,578 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-11-28 03:16:58,581 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-28 03:16:58,581 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-28 03:16:58,581 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-28 03:16:58,582 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,583 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-28 03:16:58,584 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:16:58,585 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-28 03:16:58,586 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,587 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-28 03:16:58,588 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:16:58,589 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:16:58,590 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-28 03:16:58,591 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-28 03:16:58,592 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,592 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,592 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,592 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-28 03:16:58,592 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-28 03:16:58,596 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:16:58,596 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:16:58,596 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:16:58,596 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-28 03:16:58,596 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-28 03:16:58,596 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-28 03:16:58,596 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,596 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,596 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,596 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:16:58,597 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-28 03:16:58,598 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,599 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,599 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-28 03:16:58,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:16:58,599 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:16:58,599 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:16:58,599 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-28 03:16:58,599 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-28 03:16:58,599 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-28 03:16:58,599 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,599 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,600 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-28 03:16:58,601 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-28 03:16:58,601 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-28 03:16:58,601 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:16:58,601 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:16:58,601 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-28 03:16:58,601 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-28 03:16:58,601 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-28 03:16:58,601 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-28 03:16:58,602 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,602 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,602 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-28 03:16:58,602 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-28 03:16:58,602 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-28 03:16:58,602 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:16:58,602 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:16:58,602 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-28 03:16:58,602 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-28 03:16:58,602 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-28 03:16:58,602 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,603 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-28 03:16:58,604 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:16:58,605 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:16:58,605 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:16:58,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:16:58 BoogieIcfgContainer [2020-11-28 03:16:58,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:16:58,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:16:58,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:16:58,625 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:16:58,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:34" (3/4) ... [2020-11-28 03:16:58,629 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:16:58,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:16:58,659 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:16:58,661 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:16:58,663 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:16:58,830 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_352a9600-31b0-4c69-9fd5-17a295ee20fb/bin/uautomizer/witness.graphml [2020-11-28 03:16:58,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:16:58,831 INFO L168 Benchmark]: Toolchain (without parser) took 27383.86 ms. Allocated memory was 94.4 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 62.2 MB in the beginning and 917.5 MB in the end (delta: -855.3 MB). Peak memory consumption was 553.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:58,831 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:16:58,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.99 ms. Allocated memory is still 94.4 MB. Free memory was 62.0 MB in the beginning and 49.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:58,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.04 ms. Allocated memory is still 94.4 MB. Free memory was 49.7 MB in the beginning and 40.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:58,833 INFO L168 Benchmark]: Boogie Preprocessor took 103.14 ms. Allocated memory was 94.4 MB in the beginning and 130.0 MB in the end (delta: 35.7 MB). Free memory was 40.0 MB in the beginning and 98.6 MB in the end (delta: -58.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:58,833 INFO L168 Benchmark]: RCFGBuilder took 1631.43 ms. Allocated memory is still 130.0 MB. Free memory was 98.6 MB in the beginning and 83.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:58,833 INFO L168 Benchmark]: TraceAbstraction took 24462.49 ms. Allocated memory was 130.0 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 83.2 MB in the beginning and 937.4 MB in the end (delta: -854.2 MB). Peak memory consumption was 519.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:58,834 INFO L168 Benchmark]: Witness Printer took 205.03 ms. Allocated memory is still 1.5 GB. Free memory was 937.4 MB in the beginning and 917.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:16:58,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 855.99 ms. Allocated memory is still 94.4 MB. Free memory was 62.0 MB in the beginning and 49.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.04 ms. Allocated memory is still 94.4 MB. Free memory was 49.7 MB in the beginning and 40.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.14 ms. Allocated memory was 94.4 MB in the beginning and 130.0 MB in the end (delta: 35.7 MB). Free memory was 40.0 MB in the beginning and 98.6 MB in the end (delta: -58.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1631.43 ms. Allocated memory is still 130.0 MB. Free memory was 98.6 MB in the beginning and 83.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24462.49 ms. Allocated memory was 130.0 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 83.2 MB in the beginning and 937.4 MB in the end (delta: -854.2 MB). Peak memory consumption was 519.3 MB. Max. memory is 16.1 GB. * Witness Printer took 205.03 ms. Allocated memory is still 1.5 GB. Free memory was 937.4 MB in the beginning and 917.5 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.8s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1910 SDtfs, 1915 SDslu, 78 SDs, 0 SdLazy, 7204 SolverSat, 907 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2504 GetRequests, 2477 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 3026 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2710 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 322 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 8087 NumberOfCodeBlocks, 8087 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 8069 ConstructedInterpolants, 0 QuantifiedInterpolants, 8861073 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3187 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 15384/15824 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...