./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label21.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_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/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 fcd01e7110ca6d1a1590515ee01ced3e05a5bcbb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:16:40,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:16:40,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:16:40,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:16:40,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:16:40,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:16:40,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:16:40,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:16:40,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:16:40,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:16:40,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:16:40,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:16:40,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:16:40,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:16:40,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:16:40,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:16:40,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:16:40,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:16:40,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:16:40,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:16:40,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:16:40,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:16:40,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:16:40,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:16:40,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:16:40,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:16:40,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:16:40,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:16:40,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:16:40,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:16:40,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:16:40,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:16:40,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:16:40,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:16:40,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:16:40,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:16:40,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:16:40,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:16:40,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:16:40,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:16:40,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:16:40,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:16:41,042 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:16:41,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:16:41,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:16:41,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:16:41,045 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:16:41,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:16:41,045 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:16:41,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:16:41,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:16:41,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:16:41,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:16:41,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:16:41,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:16:41,048 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:16:41,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:16:41,048 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:16:41,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:16:41,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:16:41,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:16:41,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:16:41,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:16:41,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:16:41,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:16:41,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:16:41,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:16:41,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:16:41,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:16:41,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:16:41,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:16:41,052 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_fb2c8b3b-90cb-429d-bff3-10551d3574eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd01e7110ca6d1a1590515ee01ced3e05a5bcbb [2020-11-28 03:16:41,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:16:41,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:16:41,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:16:41,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:16:41,418 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:16:41,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2020-11-28 03:16:41,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/data/535d5bbe0/586ef432a1c34c27bfc981d7f8e1705d/FLAG40ca199de [2020-11-28 03:16:42,172 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:16:42,173 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/sv-benchmarks/c/eca-rers2012/Problem10_label21.c [2020-11-28 03:16:42,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/data/535d5bbe0/586ef432a1c34c27bfc981d7f8e1705d/FLAG40ca199de [2020-11-28 03:16:42,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/data/535d5bbe0/586ef432a1c34c27bfc981d7f8e1705d [2020-11-28 03:16:42,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:16:42,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:16:42,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:42,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:16:42,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:16:42,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:42" (1/1) ... [2020-11-28 03:16:42,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec912ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:42, skipping insertion in model container [2020-11-28 03:16:42,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:42" (1/1) ... [2020-11-28 03:16:42,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:16:42,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:16:42,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:42,967 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:16:43,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:16:43,106 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:16:43,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43 WrapperNode [2020-11-28 03:16:43,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:16:43,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:43,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:16:43,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:16:43,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (1/1) ... [2020-11-28 03:16:43,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (1/1) ... [2020-11-28 03:16:43,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:16:43,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:16:43,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:16:43,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:16:43,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (1/1) ... [2020-11-28 03:16:43,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (1/1) ... [2020-11-28 03:16:43,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (1/1) ... [2020-11-28 03:16:43,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (1/1) ... [2020-11-28 03:16:43,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (1/1) ... [2020-11-28 03:16:43,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (1/1) ... [2020-11-28 03:16:43,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (1/1) ... [2020-11-28 03:16:43,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:16:43,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:16:43,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:16:43,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:16:43,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/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 03:16:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:16:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:16:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:16:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:16:45,394 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:16:45,394 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:16:45,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:45 BoogieIcfgContainer [2020-11-28 03:16:45,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:16:45,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:16:45,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:16:45,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:16:45,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:16:42" (1/3) ... [2020-11-28 03:16:45,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d46a414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:45, skipping insertion in model container [2020-11-28 03:16:45,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:43" (2/3) ... [2020-11-28 03:16:45,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d46a414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:45, skipping insertion in model container [2020-11-28 03:16:45,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:45" (3/3) ... [2020-11-28 03:16:45,409 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label21.c [2020-11-28 03:16:45,426 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:16:45,431 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:16:45,445 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:16:45,493 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:16:45,493 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:16:45,493 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:16:45,494 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:16:45,494 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:16:45,494 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:16:45,494 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:16:45,495 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:16:45,523 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-28 03:16:45,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:16:45,532 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:45,533 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] [2020-11-28 03:16:45,534 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:45,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:45,542 INFO L82 PathProgramCache]: Analyzing trace with hash -438767135, now seen corresponding path program 1 times [2020-11-28 03:16:45,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:45,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83656522] [2020-11-28 03:16:45,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:45,886 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 03:16:45,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83656522] [2020-11-28 03:16:45,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:45,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:16:45,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345284759] [2020-11-28 03:16:45,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:45,898 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 03:16:45,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:45,917 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-28 03:16:47,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:47,295 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-11-28 03:16:47,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:47,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-28 03:16:47,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:47,313 INFO L225 Difference]: With dead ends: 553 [2020-11-28 03:16:47,313 INFO L226 Difference]: Without dead ends: 282 [2020-11-28 03:16:47,318 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 03:16:47,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-28 03:16:47,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-28 03:16:47,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-28 03:16:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-11-28 03:16:47,423 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 27 [2020-11-28 03:16:47,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:47,423 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-11-28 03:16:47,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:47,424 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-11-28 03:16:47,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-28 03:16:47,432 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:47,432 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:47,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:16:47,433 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:47,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:47,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1803619289, now seen corresponding path program 1 times [2020-11-28 03:16:47,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:47,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945116228] [2020-11-28 03:16:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:47,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945116228] [2020-11-28 03:16:47,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:47,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:16:47,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804921636] [2020-11-28 03:16:47,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:47,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:47,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:47,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:47,676 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-11-28 03:16:48,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:48,777 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2020-11-28 03:16:48,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:48,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-11-28 03:16:48,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:48,781 INFO L225 Difference]: With dead ends: 701 [2020-11-28 03:16:48,782 INFO L226 Difference]: Without dead ends: 421 [2020-11-28 03:16:48,784 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 03:16:48,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-28 03:16:48,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-28 03:16:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-28 03:16:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2020-11-28 03:16:48,830 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 96 [2020-11-28 03:16:48,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:48,830 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2020-11-28 03:16:48,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2020-11-28 03:16:48,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-11-28 03:16:48,833 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:48,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:48,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:16:48,834 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:48,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:48,835 INFO L82 PathProgramCache]: Analyzing trace with hash -2009249720, now seen corresponding path program 1 times [2020-11-28 03:16:48,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:48,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979621139] [2020-11-28 03:16:48,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:49,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979621139] [2020-11-28 03:16:49,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:49,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:49,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377649190] [2020-11-28 03:16:49,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:49,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:49,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:49,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:49,037 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 3 states. [2020-11-28 03:16:49,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:49,930 INFO L93 Difference]: Finished difference Result 1257 states and 1783 transitions. [2020-11-28 03:16:49,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:49,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-11-28 03:16:49,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:49,938 INFO L225 Difference]: With dead ends: 1257 [2020-11-28 03:16:49,938 INFO L226 Difference]: Without dead ends: 838 [2020-11-28 03:16:49,942 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 03:16:49,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-28 03:16:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2020-11-28 03:16:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-28 03:16:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 924 transitions. [2020-11-28 03:16:49,970 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 924 transitions. Word has length 102 [2020-11-28 03:16:49,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:49,971 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 924 transitions. [2020-11-28 03:16:49,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 924 transitions. [2020-11-28 03:16:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-11-28 03:16:49,992 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:49,993 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:49,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:16:49,997 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:49,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:49,998 INFO L82 PathProgramCache]: Analyzing trace with hash -551764444, now seen corresponding path program 1 times [2020-11-28 03:16:49,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:49,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85261864] [2020-11-28 03:16:49,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:50,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85261864] [2020-11-28 03:16:50,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:50,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:16:50,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497645794] [2020-11-28 03:16:50,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:50,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:50,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:50,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:50,166 INFO L87 Difference]: Start difference. First operand 699 states and 924 transitions. Second operand 3 states. [2020-11-28 03:16:51,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:51,068 INFO L93 Difference]: Finished difference Result 1674 states and 2225 transitions. [2020-11-28 03:16:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:51,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-11-28 03:16:51,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:51,076 INFO L225 Difference]: With dead ends: 1674 [2020-11-28 03:16:51,076 INFO L226 Difference]: Without dead ends: 977 [2020-11-28 03:16:51,078 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 03:16:51,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-28 03:16:51,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-28 03:16:51,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-28 03:16:51,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1168 transitions. [2020-11-28 03:16:51,130 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1168 transitions. Word has length 113 [2020-11-28 03:16:51,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:51,131 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1168 transitions. [2020-11-28 03:16:51,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1168 transitions. [2020-11-28 03:16:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-28 03:16:51,145 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:51,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:51,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:16:51,146 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:51,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:51,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1607533319, now seen corresponding path program 1 times [2020-11-28 03:16:51,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:51,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098137651] [2020-11-28 03:16:51,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:51,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098137651] [2020-11-28 03:16:51,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:51,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:51,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281616068] [2020-11-28 03:16:51,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:16:51,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:51,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:16:51,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:16:51,467 INFO L87 Difference]: Start difference. First operand 977 states and 1168 transitions. Second operand 4 states. [2020-11-28 03:16:52,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:52,493 INFO L93 Difference]: Finished difference Result 2114 states and 2506 transitions. [2020-11-28 03:16:52,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:16:52,494 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-11-28 03:16:52,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:52,502 INFO L225 Difference]: With dead ends: 2114 [2020-11-28 03:16:52,503 INFO L226 Difference]: Without dead ends: 1139 [2020-11-28 03:16:52,505 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 03:16:52,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2020-11-28 03:16:52,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1116. [2020-11-28 03:16:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-28 03:16:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1312 transitions. [2020-11-28 03:16:52,565 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1312 transitions. Word has length 140 [2020-11-28 03:16:52,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:52,566 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1312 transitions. [2020-11-28 03:16:52,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:16:52,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1312 transitions. [2020-11-28 03:16:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-28 03:16:52,571 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:52,572 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:16:52,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:16:52,572 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:52,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:52,573 INFO L82 PathProgramCache]: Analyzing trace with hash 2075362165, now seen corresponding path program 1 times [2020-11-28 03:16:52,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:52,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170202116] [2020-11-28 03:16:52,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:52,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170202116] [2020-11-28 03:16:52,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:52,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:52,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452515788] [2020-11-28 03:16:52,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:52,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:52,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:52,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:52,763 INFO L87 Difference]: Start difference. First operand 1116 states and 1312 transitions. Second operand 3 states. [2020-11-28 03:16:53,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:53,559 INFO L93 Difference]: Finished difference Result 2369 states and 2857 transitions. [2020-11-28 03:16:53,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:53,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-11-28 03:16:53,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:53,569 INFO L225 Difference]: With dead ends: 2369 [2020-11-28 03:16:53,569 INFO L226 Difference]: Without dead ends: 1394 [2020-11-28 03:16:53,571 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 03:16:53,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-28 03:16:53,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-11-28 03:16:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 03:16:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2020-11-28 03:16:53,608 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 179 [2020-11-28 03:16:53,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:53,613 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2020-11-28 03:16:53,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2020-11-28 03:16:53,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-28 03:16:53,617 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:53,618 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:53,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:16:53,618 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:53,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:53,620 INFO L82 PathProgramCache]: Analyzing trace with hash 2117163244, now seen corresponding path program 1 times [2020-11-28 03:16:53,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:53,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097163470] [2020-11-28 03:16:53,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:53,827 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-28 03:16:53,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097163470] [2020-11-28 03:16:53,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:53,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:53,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343594271] [2020-11-28 03:16:53,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:53,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:53,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:53,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:53,831 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand 3 states. [2020-11-28 03:16:54,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:54,626 INFO L93 Difference]: Finished difference Result 1813 states and 2105 transitions. [2020-11-28 03:16:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:54,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-11-28 03:16:54,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:54,637 INFO L225 Difference]: With dead ends: 1813 [2020-11-28 03:16:54,637 INFO L226 Difference]: Without dead ends: 1811 [2020-11-28 03:16:54,638 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 03:16:54,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-11-28 03:16:54,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2020-11-28 03:16:54,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 03:16:54,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2020-11-28 03:16:54,689 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 201 [2020-11-28 03:16:54,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:54,690 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2020-11-28 03:16:54,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2020-11-28 03:16:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-11-28 03:16:54,697 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:54,698 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:54,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:16:54,698 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:54,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:54,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1937501295, now seen corresponding path program 1 times [2020-11-28 03:16:54,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:54,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924095717] [2020-11-28 03:16:54,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-28 03:16:55,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924095717] [2020-11-28 03:16:55,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:55,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:16:55,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803277246] [2020-11-28 03:16:55,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:16:55,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:55,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:16:55,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:16:55,216 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand 7 states. [2020-11-28 03:16:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:56,291 INFO L93 Difference]: Finished difference Result 2424 states and 2831 transitions. [2020-11-28 03:16:56,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:16:56,292 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 290 [2020-11-28 03:16:56,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:56,301 INFO L225 Difference]: With dead ends: 2424 [2020-11-28 03:16:56,302 INFO L226 Difference]: Without dead ends: 1255 [2020-11-28 03:16:56,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:16:56,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-11-28 03:16:56,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-11-28 03:16:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 03:16:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1455 transitions. [2020-11-28 03:16:56,338 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1455 transitions. Word has length 290 [2020-11-28 03:16:56,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:56,339 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1455 transitions. [2020-11-28 03:16:56,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:16:56,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1455 transitions. [2020-11-28 03:16:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-11-28 03:16:56,346 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:56,347 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:56,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:16:56,347 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:56,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:56,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1608578859, now seen corresponding path program 1 times [2020-11-28 03:16:56,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:56,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665222342] [2020-11-28 03:16:56,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:56,661 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-28 03:16:56,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665222342] [2020-11-28 03:16:56,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:16:56,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:16:56,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219096752] [2020-11-28 03:16:56,663 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:56,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:56,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:56,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:16:56,664 INFO L87 Difference]: Start difference. First operand 1255 states and 1455 transitions. Second operand 3 states. [2020-11-28 03:16:57,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:57,491 INFO L93 Difference]: Finished difference Result 2647 states and 3142 transitions. [2020-11-28 03:16:57,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:57,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 326 [2020-11-28 03:16:57,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:57,505 INFO L225 Difference]: With dead ends: 2647 [2020-11-28 03:16:57,505 INFO L226 Difference]: Without dead ends: 1533 [2020-11-28 03:16:57,508 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 03:16:57,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-11-28 03:16:57,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1394. [2020-11-28 03:16:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-11-28 03:16:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1609 transitions. [2020-11-28 03:16:57,554 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1609 transitions. Word has length 326 [2020-11-28 03:16:57,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:57,555 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1609 transitions. [2020-11-28 03:16:57,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1609 transitions. [2020-11-28 03:16:57,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-11-28 03:16:57,563 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:57,564 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:16:57,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:16:57,564 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:16:57,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:16:57,565 INFO L82 PathProgramCache]: Analyzing trace with hash -996950300, now seen corresponding path program 1 times [2020-11-28 03:16:57,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:16:57,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118647127] [2020-11-28 03:16:57,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:16:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 274 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:16:58,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118647127] [2020-11-28 03:16:58,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727590154] [2020-11-28 03:16:58,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/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 03:16:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:16:58,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:16:58,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:16:58,848 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-28 03:16:58,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:16:58,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-28 03:16:58,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390135211] [2020-11-28 03:16:58,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:16:58,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:16:58,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:16:58,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:16:58,853 INFO L87 Difference]: Start difference. First operand 1394 states and 1609 transitions. Second operand 3 states. [2020-11-28 03:16:59,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:16:59,825 INFO L93 Difference]: Finished difference Result 3481 states and 4040 transitions. [2020-11-28 03:16:59,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:16:59,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-11-28 03:16:59,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:16:59,840 INFO L225 Difference]: With dead ends: 3481 [2020-11-28 03:16:59,840 INFO L226 Difference]: Without dead ends: 2228 [2020-11-28 03:16:59,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:16:59,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-11-28 03:16:59,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2228. [2020-11-28 03:16:59,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2020-11-28 03:16:59,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2518 transitions. [2020-11-28 03:16:59,917 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2518 transitions. Word has length 327 [2020-11-28 03:16:59,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:16:59,918 INFO L481 AbstractCegarLoop]: Abstraction has 2228 states and 2518 transitions. [2020-11-28 03:16:59,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:16:59,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2518 transitions. [2020-11-28 03:16:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2020-11-28 03:16:59,929 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:16:59,929 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:00,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:17:00,152 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:00,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:00,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1274931526, now seen corresponding path program 1 times [2020-11-28 03:17:00,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:00,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248551313] [2020-11-28 03:17:00,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 50 proven. 206 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-11-28 03:17:00,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248551313] [2020-11-28 03:17:00,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636184598] [2020-11-28 03:17:00,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/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 03:17:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:00,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:00,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:01,117 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-28 03:17:01,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:17:01,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:17:01,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152331070] [2020-11-28 03:17:01,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:17:01,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:01,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:17:01,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:01,120 INFO L87 Difference]: Start difference. First operand 2228 states and 2518 transitions. Second operand 3 states. [2020-11-28 03:17:02,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:02,227 INFO L93 Difference]: Finished difference Result 4452 states and 5044 transitions. [2020-11-28 03:17:02,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:17:02,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2020-11-28 03:17:02,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:02,230 INFO L225 Difference]: With dead ends: 4452 [2020-11-28 03:17:02,230 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:17:02,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:02,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:17:02,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:17:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:17:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:17:02,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2020-11-28 03:17:02,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:02,238 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:17:02,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:17:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:17:02,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:17:02,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:17:02,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:17:02,781 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-11-28 03:17:02,966 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-11-28 03:17:02,972 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-28 03:17:02,972 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-28 03:17:02,972 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-28 03:17:02,972 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-28 03:17:02,972 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:17:02,973 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,974 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-28 03:17:02,975 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:17:02,976 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,977 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-28 03:17:02,978 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:17:02,979 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:17:02,980 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:17:02,980 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:17:02,980 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-28 03:17:02,985 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-28 03:17:02,985 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-28 03:17:02,985 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-28 03:17:02,985 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-28 03:17:02,986 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,986 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,986 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,986 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,986 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,986 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-28 03:17:02,986 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:17:02,987 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:17:02,987 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:17:02,987 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:17:02,987 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:17:02,987 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:17:02,989 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (<= 9 ~a19~0) (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-11-28 03:17:02,990 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-28 03:17:02,990 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-28 03:17:02,990 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-28 03:17:02,990 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-28 03:17:02,990 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,991 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,991 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,991 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,991 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,991 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-28 03:17:02,991 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-28 03:17:02,991 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-28 03:17:02,992 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:17:02,992 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:17:02,992 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:17:02,992 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:17:02,992 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:17:02,992 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-28 03:17:02,992 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-28 03:17:02,993 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-28 03:17:02,993 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-28 03:17:02,993 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-28 03:17:02,993 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-28 03:17:02,993 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:17:02,993 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,994 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,994 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,994 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,994 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,994 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:17:02,994 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:17:02,994 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:17:02,995 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:17:02,995 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:17:02,995 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-28 03:17:02,995 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-28 03:17:02,995 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-28 03:17:02,995 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-28 03:17:02,995 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,996 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,996 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,996 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,996 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:17:02,996 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,996 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-28 03:17:02,996 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-28 03:17:02,997 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-28 03:17:02,997 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-28 03:17:02,997 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:17:02,997 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:17:02,997 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:17:02,997 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:17:02,997 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:17:02,998 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-28 03:17:02,998 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-28 03:17:02,998 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-28 03:17:02,998 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (<= 9 ~a19~0) (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-11-28 03:17:02,998 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-28 03:17:02,999 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,999 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,999 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,999 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,999 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:17:02,999 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:02,999 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:03,000 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-28 03:17:03,000 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-28 03:17:03,000 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-28 03:17:03,000 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:17:03,000 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:17:03,000 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:17:03,001 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:17:03,001 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:17:03,001 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:17:03,001 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:17:03,001 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:17:03,001 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-28 03:17:03,001 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-28 03:17:03,002 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-28 03:17:03,002 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-28 03:17:03,002 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:03,002 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:03,002 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:03,002 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:03,002 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:03,003 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:17:03,003 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-28 03:17:03,003 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-28 03:17:03,003 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-28 03:17:03,003 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:17:03,003 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:17:03,004 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:17:03,004 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:17:03,004 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:17:03,004 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:17:03,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:17:03 BoogieIcfgContainer [2020-11-28 03:17:03,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:17:03,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:17:03,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:17:03,046 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:17:03,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:45" (3/4) ... [2020-11-28 03:17:03,050 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:17:03,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:17:03,084 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:17:03,086 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:17:03,087 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:17:03,305 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fb2c8b3b-90cb-429d-bff3-10551d3574eb/bin/uautomizer/witness.graphml [2020-11-28 03:17:03,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:17:03,307 INFO L168 Benchmark]: Toolchain (without parser) took 20916.87 ms. Allocated memory was 121.6 MB in the beginning and 352.3 MB in the end (delta: 230.7 MB). Free memory was 85.7 MB in the beginning and 305.0 MB in the end (delta: -219.3 MB). Peak memory consumption was 203.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:03,307 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 121.6 MB. Free memory was 92.7 MB in the beginning and 92.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:03,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.67 ms. Allocated memory is still 121.6 MB. Free memory was 85.3 MB in the beginning and 81.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:03,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.37 ms. Allocated memory is still 121.6 MB. Free memory was 81.6 MB in the beginning and 73.8 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:03,309 INFO L168 Benchmark]: Boogie Preprocessor took 112.64 ms. Allocated memory is still 121.6 MB. Free memory was 73.8 MB in the beginning and 68.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:03,309 INFO L168 Benchmark]: RCFGBuilder took 2045.70 ms. Allocated memory was 121.6 MB in the beginning and 159.4 MB in the end (delta: 37.7 MB). Free memory was 68.5 MB in the beginning and 96.5 MB in the end (delta: -28.0 MB). Peak memory consumption was 44.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:03,310 INFO L168 Benchmark]: TraceAbstraction took 17644.19 ms. Allocated memory was 159.4 MB in the beginning and 352.3 MB in the end (delta: 192.9 MB). Free memory was 96.2 MB in the beginning and 117.2 MB in the end (delta: -21.0 MB). Peak memory consumption was 173.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:03,310 INFO L168 Benchmark]: Witness Printer took 260.72 ms. Allocated memory is still 352.3 MB. Free memory was 117.2 MB in the beginning and 305.0 MB in the end (delta: -187.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:03,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 121.6 MB. Free memory was 92.7 MB in the beginning and 92.6 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 701.67 ms. Allocated memory is still 121.6 MB. Free memory was 85.3 MB in the beginning and 81.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.37 ms. Allocated memory is still 121.6 MB. Free memory was 81.6 MB in the beginning and 73.8 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.64 ms. Allocated memory is still 121.6 MB. Free memory was 73.8 MB in the beginning and 68.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2045.70 ms. Allocated memory was 121.6 MB in the beginning and 159.4 MB in the end (delta: 37.7 MB). Free memory was 68.5 MB in the beginning and 96.5 MB in the end (delta: -28.0 MB). Peak memory consumption was 44.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17644.19 ms. Allocated memory was 159.4 MB in the beginning and 352.3 MB in the end (delta: 192.9 MB). Free memory was 96.2 MB in the beginning and 117.2 MB in the end (delta: -21.0 MB). Peak memory consumption was 173.0 MB. Max. memory is 16.1 GB. * Witness Printer took 260.72 ms. Allocated memory is still 352.3 MB. Free memory was 117.2 MB in the beginning and 305.0 MB in the end (delta: -187.8 MB). Peak memory consumption was 5.1 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: 592]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.9s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1304 SDtfs, 1223 SDslu, 67 SDs, 0 SdLazy, 4475 SolverSat, 717 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 703 GetRequests, 680 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2228occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 996 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 147 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1959 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 114 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2808 NumberOfCodeBlocks, 2808 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2795 ConstructedInterpolants, 0 QuantifiedInterpolants, 2965947 SizeOfPredicates, 1 NumberOfNonLiveVariables, 961 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 2023/2274 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...