./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label17.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_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label17.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/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 83e367e336d886cb210bb14e3d6bd9f7963f3d26 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:19:51,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:51,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:51,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:51,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:51,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:51,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:51,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:51,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:51,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:51,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:51,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:51,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:51,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:51,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:51,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:51,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:51,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:51,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:51,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:51,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:51,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:51,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:51,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:51,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:51,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:51,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:51,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:51,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:51,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:51,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:51,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:51,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:51,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:51,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:51,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:51,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:51,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:51,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:51,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:51,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:51,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:19:51,598 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:51,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:51,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:51,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:51,606 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:51,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:51,606 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:19:51,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:51,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:19:51,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:51,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:51,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:51,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:51,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:19:51,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:51,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:51,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:51,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:51,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:51,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:51,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:51,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:51,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:51,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:51,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:51,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:51,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:19:51,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:51,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:51,612 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_d90d5714-4a41-432d-a2b8-7daa0fc9a367/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83e367e336d886cb210bb14e3d6bd9f7963f3d26 [2020-11-28 03:19:51,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:51,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:51,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:51,899 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:51,900 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:51,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label17.c [2020-11-28 03:19:51,966 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/data/9f0122548/2356d068cdb1480292be7ef5e308d481/FLAG19f49d522 [2020-11-28 03:19:52,550 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:52,551 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/sv-benchmarks/c/eca-rers2012/Problem10_label17.c [2020-11-28 03:19:52,563 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/data/9f0122548/2356d068cdb1480292be7ef5e308d481/FLAG19f49d522 [2020-11-28 03:19:52,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/data/9f0122548/2356d068cdb1480292be7ef5e308d481 [2020-11-28 03:19:52,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:52,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:52,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:52,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:52,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:52,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:52" (1/1) ... [2020-11-28 03:19:52,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5614eca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:52, skipping insertion in model container [2020-11-28 03:19:52,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:52" (1/1) ... [2020-11-28 03:19:52,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:52,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:53,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:53,338 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:19:53,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:53,452 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:19:53,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53 WrapperNode [2020-11-28 03:19:53,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:53,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:53,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:19:53,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:19:53,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (1/1) ... [2020-11-28 03:19:53,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (1/1) ... [2020-11-28 03:19:53,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:53,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:19:53,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:19:53,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:19:53,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (1/1) ... [2020-11-28 03:19:53,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (1/1) ... [2020-11-28 03:19:53,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (1/1) ... [2020-11-28 03:19:53,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (1/1) ... [2020-11-28 03:19:53,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (1/1) ... [2020-11-28 03:19:53,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (1/1) ... [2020-11-28 03:19:53,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (1/1) ... [2020-11-28 03:19:53,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:19:53,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:19:53,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:19:53,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:19:53,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/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 03:19:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:19:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:19:53,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:19:53,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:19:55,249 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:55,250 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:19:55,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:55 BoogieIcfgContainer [2020-11-28 03:19:55,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:55,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:19:55,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:19:55,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:19:55,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:52" (1/3) ... [2020-11-28 03:19:55,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3b1518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:55, skipping insertion in model container [2020-11-28 03:19:55,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:53" (2/3) ... [2020-11-28 03:19:55,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3b1518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:55, skipping insertion in model container [2020-11-28 03:19:55,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:55" (3/3) ... [2020-11-28 03:19:55,265 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label17.c [2020-11-28 03:19:55,279 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:19:55,284 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:19:55,296 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:19:55,328 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:19:55,328 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:19:55,329 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:19:55,329 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:55,329 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:55,329 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:19:55,329 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:55,329 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:19:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-28 03:19:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 03:19:55,373 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:55,374 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:55,374 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:55,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:55,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1722039382, now seen corresponding path program 1 times [2020-11-28 03:19:55,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:55,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248593485] [2020-11-28 03:19:55,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:55,638 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 03:19:55,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248593485] [2020-11-28 03:19:55,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:55,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:55,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257379622] [2020-11-28 03:19:55,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:55,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:55,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:55,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:55,664 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-28 03:19:57,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:57,010 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-11-28 03:19:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:57,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-11-28 03:19:57,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:57,022 INFO L225 Difference]: With dead ends: 553 [2020-11-28 03:19:57,023 INFO L226 Difference]: Without dead ends: 282 [2020-11-28 03:19:57,027 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 03:19:57,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-28 03:19:57,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-28 03:19:57,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-28 03:19:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-11-28 03:19:57,097 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 30 [2020-11-28 03:19:57,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:57,097 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-11-28 03:19:57,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-11-28 03:19:57,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-28 03:19:57,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:57,102 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:57,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:19:57,102 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:57,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:57,104 INFO L82 PathProgramCache]: Analyzing trace with hash 586150870, now seen corresponding path program 1 times [2020-11-28 03:19:57,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:57,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678117534] [2020-11-28 03:19:57,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:57,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678117534] [2020-11-28 03:19:57,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:57,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:57,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779202406] [2020-11-28 03:19:57,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:57,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:57,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:57,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:57,353 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-11-28 03:19:58,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:58,113 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-11-28 03:19:58,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:58,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-11-28 03:19:58,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:58,118 INFO L225 Difference]: With dead ends: 701 [2020-11-28 03:19:58,119 INFO L226 Difference]: Without dead ends: 421 [2020-11-28 03:19:58,126 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 03:19:58,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-28 03:19:58,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-28 03:19:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-28 03:19:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-11-28 03:19:58,167 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 96 [2020-11-28 03:19:58,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:58,167 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-11-28 03:19:58,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-11-28 03:19:58,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-28 03:19:58,179 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:58,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:58,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:19:58,182 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:58,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:58,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1924941227, now seen corresponding path program 1 times [2020-11-28 03:19:58,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:58,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426391449] [2020-11-28 03:19:58,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:58,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426391449] [2020-11-28 03:19:58,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:58,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:58,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942190513] [2020-11-28 03:19:58,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:58,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:58,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:58,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:58,398 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-11-28 03:19:59,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:59,088 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-11-28 03:19:59,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:59,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-11-28 03:19:59,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:59,092 INFO L225 Difference]: With dead ends: 979 [2020-11-28 03:19:59,093 INFO L226 Difference]: Without dead ends: 560 [2020-11-28 03:19:59,094 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 03:19:59,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-28 03:19:59,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-28 03:19:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-28 03:19:59,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-11-28 03:19:59,127 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 103 [2020-11-28 03:19:59,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:59,128 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-11-28 03:19:59,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:59,128 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-11-28 03:19:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-28 03:19:59,130 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:59,130 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:59,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:19:59,131 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:59,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:59,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1499837094, now seen corresponding path program 1 times [2020-11-28 03:19:59,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:59,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452973206] [2020-11-28 03:19:59,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:59,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452973206] [2020-11-28 03:19:59,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:59,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:59,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93956165] [2020-11-28 03:19:59,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:59,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:59,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:59,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:59,269 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 3 states. [2020-11-28 03:19:59,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:59,948 INFO L93 Difference]: Finished difference Result 1118 states and 1414 transitions. [2020-11-28 03:19:59,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:59,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-28 03:19:59,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:59,953 INFO L225 Difference]: With dead ends: 1118 [2020-11-28 03:19:59,953 INFO L226 Difference]: Without dead ends: 699 [2020-11-28 03:19:59,954 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 03:19:59,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-11-28 03:19:59,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-11-28 03:19:59,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-11-28 03:19:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 849 transitions. [2020-11-28 03:19:59,973 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 849 transitions. Word has length 105 [2020-11-28 03:19:59,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:59,974 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 849 transitions. [2020-11-28 03:19:59,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:59,974 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 849 transitions. [2020-11-28 03:19:59,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-28 03:19:59,977 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:59,977 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:59,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:19:59,978 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:59,978 INFO L82 PathProgramCache]: Analyzing trace with hash -3118466, now seen corresponding path program 1 times [2020-11-28 03:19:59,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:59,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131277082] [2020-11-28 03:19:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:00,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131277082] [2020-11-28 03:20:00,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:00,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:20:00,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632828654] [2020-11-28 03:20:00,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:00,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:00,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:00,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:00,110 INFO L87 Difference]: Start difference. First operand 699 states and 849 transitions. Second operand 3 states. [2020-11-28 03:20:00,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:00,847 INFO L93 Difference]: Finished difference Result 1535 states and 1880 transitions. [2020-11-28 03:20:00,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:00,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-28 03:20:00,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:00,853 INFO L225 Difference]: With dead ends: 1535 [2020-11-28 03:20:00,854 INFO L226 Difference]: Without dead ends: 977 [2020-11-28 03:20:00,855 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 03:20:00,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-28 03:20:00,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-28 03:20:00,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-28 03:20:00,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1122 transitions. [2020-11-28 03:20:00,880 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1122 transitions. Word has length 121 [2020-11-28 03:20:00,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:00,880 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1122 transitions. [2020-11-28 03:20:00,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1122 transitions. [2020-11-28 03:20:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-28 03:20:00,883 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:00,883 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:00,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:20:00,884 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:00,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:00,884 INFO L82 PathProgramCache]: Analyzing trace with hash -2086448593, now seen corresponding path program 1 times [2020-11-28 03:20:00,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:00,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395325613] [2020-11-28 03:20:00,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:01,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395325613] [2020-11-28 03:20:01,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:01,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:20:01,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993200455] [2020-11-28 03:20:01,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:20:01,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:01,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:20:01,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:01,216 INFO L87 Difference]: Start difference. First operand 977 states and 1122 transitions. Second operand 7 states. [2020-11-28 03:20:01,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:01,930 INFO L93 Difference]: Finished difference Result 1868 states and 2153 transitions. [2020-11-28 03:20:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:20:01,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 178 [2020-11-28 03:20:01,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:01,936 INFO L225 Difference]: With dead ends: 1868 [2020-11-28 03:20:01,936 INFO L226 Difference]: Without dead ends: 977 [2020-11-28 03:20:01,938 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 03:20:01,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-28 03:20:01,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-28 03:20:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-28 03:20:01,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions. [2020-11-28 03:20:01,962 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 178 [2020-11-28 03:20:01,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:01,967 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions. [2020-11-28 03:20:01,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:20:01,967 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions. [2020-11-28 03:20:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-11-28 03:20:01,970 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:01,971 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:01,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:20:01,971 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:01,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:01,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1092479159, now seen corresponding path program 1 times [2020-11-28 03:20:01,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:01,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259228351] [2020-11-28 03:20:01,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-28 03:20:02,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259228351] [2020-11-28 03:20:02,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:02,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:02,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64107927] [2020-11-28 03:20:02,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:02,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:02,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:02,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:02,142 INFO L87 Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand 3 states. [2020-11-28 03:20:02,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:02,828 INFO L93 Difference]: Finished difference Result 1952 states and 2280 transitions. [2020-11-28 03:20:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:02,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-11-28 03:20:02,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:02,835 INFO L225 Difference]: With dead ends: 1952 [2020-11-28 03:20:02,835 INFO L226 Difference]: Without dead ends: 1116 [2020-11-28 03:20:02,836 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 03:20:02,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-11-28 03:20:02,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-11-28 03:20:02,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-28 03:20:02,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1272 transitions. [2020-11-28 03:20:02,862 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1272 transitions. Word has length 214 [2020-11-28 03:20:02,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:02,863 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1272 transitions. [2020-11-28 03:20:02,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:02,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1272 transitions. [2020-11-28 03:20:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-11-28 03:20:02,867 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:02,867 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:20:02,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:20:02,868 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:02,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:02,868 INFO L82 PathProgramCache]: Analyzing trace with hash -2093198672, now seen corresponding path program 1 times [2020-11-28 03:20:02,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:02,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174368920] [2020-11-28 03:20:02,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-28 03:20:03,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174368920] [2020-11-28 03:20:03,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086827] [2020-11-28 03:20:03,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/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 03:20:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:03,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:03,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-11-28 03:20:03,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:03,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 03:20:03,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596935679] [2020-11-28 03:20:03,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:03,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:03,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:03,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:03,615 INFO L87 Difference]: Start difference. First operand 1116 states and 1272 transitions. Second operand 3 states. [2020-11-28 03:20:04,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:04,537 INFO L93 Difference]: Finished difference Result 1813 states and 2067 transitions. [2020-11-28 03:20:04,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:04,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-11-28 03:20:04,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:04,547 INFO L225 Difference]: With dead ends: 1813 [2020-11-28 03:20:04,547 INFO L226 Difference]: Without dead ends: 1811 [2020-11-28 03:20:04,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:04,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-11-28 03:20:04,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2020-11-28 03:20:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 03:20:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-11-28 03:20:04,588 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 224 [2020-11-28 03:20:04,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:04,589 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-11-28 03:20:04,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:04,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-11-28 03:20:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-11-28 03:20:04,594 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:04,594 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:20:04,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-11-28 03:20:04,808 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:04,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:04,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1153992361, now seen corresponding path program 1 times [2020-11-28 03:20:04,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:04,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189899946] [2020-11-28 03:20:04,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-28 03:20:05,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189899946] [2020-11-28 03:20:05,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:05,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:05,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534814567] [2020-11-28 03:20:05,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:05,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:05,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:05,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:05,047 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-11-28 03:20:05,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:05,821 INFO L93 Difference]: Finished difference Result 1952 states and 2255 transitions. [2020-11-28 03:20:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:05,823 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2020-11-28 03:20:05,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:05,833 INFO L225 Difference]: With dead ends: 1952 [2020-11-28 03:20:05,833 INFO L226 Difference]: Without dead ends: 1950 [2020-11-28 03:20:05,834 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 03:20:05,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-11-28 03:20:05,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1255. [2020-11-28 03:20:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 03:20:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-11-28 03:20:05,875 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 278 [2020-11-28 03:20:05,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:05,876 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-11-28 03:20:05,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-11-28 03:20:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-11-28 03:20:05,883 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:05,883 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 03:20:05,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:20:05,883 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:05,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:05,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1194460906, now seen corresponding path program 1 times [2020-11-28 03:20:05,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:05,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884496334] [2020-11-28 03:20:05,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 283 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:06,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884496334] [2020-11-28 03:20:06,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37740603] [2020-11-28 03:20:06,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/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 03:20:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:06,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:06,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-28 03:20:06,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:06,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-11-28 03:20:06,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868777610] [2020-11-28 03:20:06,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:06,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:06,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:06,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:06,849 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-11-28 03:20:07,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:07,589 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions. [2020-11-28 03:20:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:07,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2020-11-28 03:20:07,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:07,603 INFO L225 Difference]: With dead ends: 3203 [2020-11-28 03:20:07,603 INFO L226 Difference]: Without dead ends: 2089 [2020-11-28 03:20:07,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:20:07,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-11-28 03:20:07,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-11-28 03:20:07,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-11-28 03:20:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions. [2020-11-28 03:20:07,661 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 330 [2020-11-28 03:20:07,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:07,662 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions. [2020-11-28 03:20:07,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions. [2020-11-28 03:20:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-11-28 03:20:07,670 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:07,671 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 03:20:07,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 03:20:07,896 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:07,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:07,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1462063624, now seen corresponding path program 1 times [2020-11-28 03:20:07,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:07,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138258191] [2020-11-28 03:20:07,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-11-28 03:20:08,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138258191] [2020-11-28 03:20:08,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:08,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:08,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761551489] [2020-11-28 03:20:08,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:08,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:08,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:08,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:08,158 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand 3 states. [2020-11-28 03:20:09,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:09,003 INFO L93 Difference]: Finished difference Result 4730 states and 5375 transitions. [2020-11-28 03:20:09,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:09,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2020-11-28 03:20:09,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:09,004 INFO L225 Difference]: With dead ends: 4730 [2020-11-28 03:20:09,004 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:20:09,009 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 03:20:09,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:20:09,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:20:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:20:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:20:09,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2020-11-28 03:20:09,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:09,010 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:20:09,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:20:09,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:20:09,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:20:09,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:20:09,254 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2020-11-28 03:20:09,433 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,439 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,440 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-28 03:20:09,441 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:20:09,442 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-28 03:20:09,443 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-28 03:20:09,444 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,445 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,446 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,446 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,446 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-28 03:20:09,446 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:20:09,446 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:20:09,446 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:20:09,446 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:20:09,446 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:20:09,446 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:20:09,447 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 (<= (+ ~a1~0 333899) 0) .cse0 .cse1 .cse2) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-11-28 03:20:09,447 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-28 03:20:09,447 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-28 03:20:09,447 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-28 03:20:09,447 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-28 03:20:09,447 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,447 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,447 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,455 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,456 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,456 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-28 03:20:09,456 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-28 03:20:09,456 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-28 03:20:09,456 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:20:09,456 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:20:09,456 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:20:09,456 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:20:09,456 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:20:09,457 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-28 03:20:09,457 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-28 03:20:09,457 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-28 03:20:09,457 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-28 03:20:09,457 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-28 03:20:09,457 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-28 03:20:09,457 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:20:09,457 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,458 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,458 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,458 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,458 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,458 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:20:09,458 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:20:09,458 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:20:09,458 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:20:09,459 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:20:09,459 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-28 03:20:09,459 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-28 03:20:09,460 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-28 03:20:09,460 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-28 03:20:09,460 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,460 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,461 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,461 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,461 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:20:09,461 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,461 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-28 03:20:09,461 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-28 03:20:09,461 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-28 03:20:09,462 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-28 03:20:09,462 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:20:09,462 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:20:09,462 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:20:09,462 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:20:09,462 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:20:09,462 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-28 03:20:09,462 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-28 03:20:09,463 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-28 03:20:09,463 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 (<= (+ ~a1~0 333899) 0) .cse0 .cse1 .cse2) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-11-28 03:20:09,463 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-28 03:20:09,463 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,463 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,463 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,463 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,464 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:20:09,464 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,464 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,464 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-28 03:20:09,464 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-28 03:20:09,464 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-28 03:20:09,464 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:20:09,464 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:20:09,464 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:20:09,465 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:20:09,465 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:20:09,465 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:20:09,465 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:20:09,465 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:20:09,465 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-28 03:20:09,465 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-28 03:20:09,465 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-28 03:20:09,466 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-28 03:20:09,466 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,466 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,466 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,466 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,466 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,466 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:20:09,466 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-28 03:20:09,467 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-28 03:20:09,467 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-28 03:20:09,467 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:20:09,468 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:20:09,468 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:20:09,468 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:20:09,468 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:20:09,468 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:20:09,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:09 BoogieIcfgContainer [2020-11-28 03:20:09,510 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:20:09,511 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:20:09,511 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:20:09,511 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:20:09,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:55" (3/4) ... [2020-11-28 03:20:09,515 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:20:09,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:20:09,548 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:20:09,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:09,550 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:20:09,722 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d90d5714-4a41-432d-a2b8-7daa0fc9a367/bin/uautomizer/witness.graphml [2020-11-28 03:20:09,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:20:09,724 INFO L168 Benchmark]: Toolchain (without parser) took 16903.35 ms. Allocated memory was 121.6 MB in the beginning and 364.9 MB in the end (delta: 243.3 MB). Free memory was 92.8 MB in the beginning and 260.7 MB in the end (delta: -167.9 MB). Peak memory consumption was 74.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:09,724 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 44.8 MB in the beginning and 44.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:20:09,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.35 ms. Allocated memory is still 121.6 MB. Free memory was 92.4 MB in the beginning and 82.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:09,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.56 ms. Allocated memory is still 121.6 MB. Free memory was 82.8 MB in the beginning and 74.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:09,725 INFO L168 Benchmark]: Boogie Preprocessor took 80.22 ms. Allocated memory is still 121.6 MB. Free memory was 74.9 MB in the beginning and 69.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:09,726 INFO L168 Benchmark]: RCFGBuilder took 1592.84 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 69.3 MB in the beginning and 120.6 MB in the end (delta: -51.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:09,726 INFO L168 Benchmark]: TraceAbstraction took 14254.36 ms. Allocated memory was 155.2 MB in the beginning and 364.9 MB in the end (delta: 209.7 MB). Free memory was 119.5 MB in the beginning and 275.3 MB in the end (delta: -155.8 MB). Peak memory consumption was 212.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:09,726 INFO L168 Benchmark]: Witness Printer took 212.11 ms. Allocated memory is still 364.9 MB. Free memory was 275.3 MB in the beginning and 260.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:20:09,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 44.8 MB in the beginning and 44.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 626.35 ms. Allocated memory is still 121.6 MB. Free memory was 92.4 MB in the beginning and 82.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.56 ms. Allocated memory is still 121.6 MB. Free memory was 82.8 MB in the beginning and 74.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.22 ms. Allocated memory is still 121.6 MB. Free memory was 74.9 MB in the beginning and 69.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1592.84 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 69.3 MB in the beginning and 120.6 MB in the end (delta: -51.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14254.36 ms. Allocated memory was 155.2 MB in the beginning and 364.9 MB in the end (delta: 209.7 MB). Free memory was 119.5 MB in the beginning and 275.3 MB in the end (delta: -155.8 MB). Peak memory consumption was 212.2 MB. Max. memory is 16.1 GB. * Witness Printer took 212.11 ms. Allocated memory is still 364.9 MB. Free memory was 275.3 MB in the beginning and 260.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && 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)) || (((a1 + 333899 <= 0 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && 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: 13.6s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1259 SDtfs, 1218 SDslu, 54 SDs, 0 SdLazy, 4148 SolverSat, 636 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 1251 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 151 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1488 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2576 NumberOfCodeBlocks, 2576 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2563 ConstructedInterpolants, 0 QuantifiedInterpolants, 2263874 SizeOfPredicates, 1 NumberOfNonLiveVariables, 817 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 1695/1811 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...