./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.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_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/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 f4a44969557820fe98b70b9dc788f34c237275d3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:05:15,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:15,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:15,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:15,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:15,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:15,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:15,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:15,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:15,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:15,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:15,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:15,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:15,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:15,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:15,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:15,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:15,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:15,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:15,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:15,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:15,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:15,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:15,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:15,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:15,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:15,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:15,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:15,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:15,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:15,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:15,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:15,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:15,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:15,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:15,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:15,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:15,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:15,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:15,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:15,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:15,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:05:15,505 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:15,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:15,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:15,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:15,507 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:15,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:15,508 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:05:15,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:05:15,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:05:15,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:15,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:05:15,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:05:15,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:05:15,521 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:05:15,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:15,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:15,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:05:15,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:15,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:15,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:05:15,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:05:15,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:05:15,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:15,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:05:15,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:05:15,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:05:15,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:05:15,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:05:15,525 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:15,525 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_c308c390-00fb-4efd-a117-3e5f99e1ff7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4a44969557820fe98b70b9dc788f34c237275d3 [2020-11-28 03:05:15,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:15,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:15,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:15,811 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:15,812 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:15,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2020-11-28 03:05:15,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/data/4614f1289/b010ba36e5394164ac4539c4dd1c43c5/FLAG087428a6d [2020-11-28 03:05:16,487 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:16,487 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2020-11-28 03:05:16,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/data/4614f1289/b010ba36e5394164ac4539c4dd1c43c5/FLAG087428a6d [2020-11-28 03:05:16,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/data/4614f1289/b010ba36e5394164ac4539c4dd1c43c5 [2020-11-28 03:05:16,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:16,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:16,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:16,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:16,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:16,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:16" (1/1) ... [2020-11-28 03:05:16,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487add57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:16, skipping insertion in model container [2020-11-28 03:05:16,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:16" (1/1) ... [2020-11-28 03:05:16,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:16,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:17,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:17,324 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:17,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:17,501 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:17,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17 WrapperNode [2020-11-28 03:05:17,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:17,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:17,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:17,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:17,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:17,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:17,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:17,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:17,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... [2020-11-28 03:05:17,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:17,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:17,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:17,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:17,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/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 03:05:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:05:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:05:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:19,370 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:19,370 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:05:19,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:19 BoogieIcfgContainer [2020-11-28 03:05:19,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:19,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:05:19,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:05:19,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:05:19,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:05:16" (1/3) ... [2020-11-28 03:05:19,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658f0d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:19, skipping insertion in model container [2020-11-28 03:05:19,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:17" (2/3) ... [2020-11-28 03:05:19,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@658f0d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:19, skipping insertion in model container [2020-11-28 03:05:19,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:19" (3/3) ... [2020-11-28 03:05:19,382 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label34.c [2020-11-28 03:05:19,392 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:05:19,396 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:05:19,407 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:05:19,437 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:05:19,437 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:05:19,437 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:05:19,437 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:19,437 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:19,437 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:05:19,437 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:19,438 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:05:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-28 03:05:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 03:05:19,461 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:19,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:19,463 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:19,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:19,468 INFO L82 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2020-11-28 03:05:19,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:19,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078477736] [2020-11-28 03:05:19,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:19,801 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 03:05:19,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078477736] [2020-11-28 03:05:19,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:19,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:05:19,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011071292] [2020-11-28 03:05:19,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:05:19,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:19,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:05:19,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:05:19,829 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-28 03:05:21,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:21,289 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-11-28 03:05:21,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:05:21,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-11-28 03:05:21,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:21,304 INFO L225 Difference]: With dead ends: 553 [2020-11-28 03:05:21,305 INFO L226 Difference]: Without dead ends: 282 [2020-11-28 03:05:21,309 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 03:05:21,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-28 03:05:21,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-28 03:05:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-28 03:05:21,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-11-28 03:05:21,395 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 63 [2020-11-28 03:05:21,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:21,396 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-11-28 03:05:21,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:05:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-11-28 03:05:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-28 03:05:21,410 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:21,414 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:21,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:05:21,414 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:21,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:21,416 INFO L82 PathProgramCache]: Analyzing trace with hash -910122622, now seen corresponding path program 1 times [2020-11-28 03:05:21,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:21,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434342481] [2020-11-28 03:05:21,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:21,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434342481] [2020-11-28 03:05:21,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:21,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:05:21,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49260000] [2020-11-28 03:05:21,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:05:21,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:21,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:05:21,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:05:21,663 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-11-28 03:05:22,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:22,391 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-11-28 03:05:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:05:22,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-11-28 03:05:22,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:22,399 INFO L225 Difference]: With dead ends: 701 [2020-11-28 03:05:22,399 INFO L226 Difference]: Without dead ends: 421 [2020-11-28 03:05:22,401 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 03:05:22,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-11-28 03:05:22,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-11-28 03:05:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-11-28 03:05:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-11-28 03:05:22,445 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 129 [2020-11-28 03:05:22,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:22,449 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-11-28 03:05:22,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:05:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-11-28 03:05:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-11-28 03:05:22,456 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:22,456 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:05:22,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:05:22,458 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:22,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:22,459 INFO L82 PathProgramCache]: Analyzing trace with hash 2012412083, now seen corresponding path program 1 times [2020-11-28 03:05:22,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:22,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846601657] [2020-11-28 03:05:22,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:22,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846601657] [2020-11-28 03:05:22,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:22,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:05:22,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717238264] [2020-11-28 03:05:22,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:05:22,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:22,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:05:22,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:05:22,666 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-11-28 03:05:23,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:23,261 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-11-28 03:05:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:05:23,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-11-28 03:05:23,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:23,265 INFO L225 Difference]: With dead ends: 979 [2020-11-28 03:05:23,266 INFO L226 Difference]: Without dead ends: 560 [2020-11-28 03:05:23,268 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 03:05:23,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-28 03:05:23,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-28 03:05:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-28 03:05:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-11-28 03:05:23,291 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 136 [2020-11-28 03:05:23,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:23,292 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-11-28 03:05:23,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:05:23,292 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-11-28 03:05:23,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-28 03:05:23,294 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:23,294 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:05:23,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:05:23,295 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:23,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:23,295 INFO L82 PathProgramCache]: Analyzing trace with hash -2090374568, now seen corresponding path program 1 times [2020-11-28 03:05:23,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:23,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321940415] [2020-11-28 03:05:23,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:23,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321940415] [2020-11-28 03:05:23,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:23,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:05:23,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092066253] [2020-11-28 03:05:23,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:05:23,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:23,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:05:23,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:05:23,611 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 7 states. [2020-11-28 03:05:24,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:24,279 INFO L93 Difference]: Finished difference Result 1034 states and 1254 transitions. [2020-11-28 03:05:24,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:05:24,280 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 138 [2020-11-28 03:05:24,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:24,283 INFO L225 Difference]: With dead ends: 1034 [2020-11-28 03:05:24,284 INFO L226 Difference]: Without dead ends: 560 [2020-11-28 03:05:24,285 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 03:05:24,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-28 03:05:24,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-28 03:05:24,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-28 03:05:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 672 transitions. [2020-11-28 03:05:24,303 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 672 transitions. Word has length 138 [2020-11-28 03:05:24,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:24,304 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 672 transitions. [2020-11-28 03:05:24,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:05:24,304 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 672 transitions. [2020-11-28 03:05:24,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-28 03:05:24,307 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:24,307 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:05:24,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:05:24,308 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:24,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:24,308 INFO L82 PathProgramCache]: Analyzing trace with hash -817076352, now seen corresponding path program 1 times [2020-11-28 03:05:24,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:24,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991988814] [2020-11-28 03:05:24,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:24,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991988814] [2020-11-28 03:05:24,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:24,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:05:24,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173798163] [2020-11-28 03:05:24,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:05:24,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:24,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:05:24,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:05:24,446 INFO L87 Difference]: Start difference. First operand 560 states and 672 transitions. Second operand 3 states. [2020-11-28 03:05:25,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:25,213 INFO L93 Difference]: Finished difference Result 1257 states and 1566 transitions. [2020-11-28 03:05:25,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:05:25,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-11-28 03:05:25,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:25,218 INFO L225 Difference]: With dead ends: 1257 [2020-11-28 03:05:25,218 INFO L226 Difference]: Without dead ends: 838 [2020-11-28 03:05:25,219 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 03:05:25,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-28 03:05:25,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-28 03:05:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-28 03:05:25,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1004 transitions. [2020-11-28 03:05:25,242 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1004 transitions. Word has length 154 [2020-11-28 03:05:25,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:25,244 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1004 transitions. [2020-11-28 03:05:25,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:05:25,244 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1004 transitions. [2020-11-28 03:05:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-28 03:05:25,246 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:25,247 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:25,247 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:05:25,247 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:25,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:25,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1790428174, now seen corresponding path program 1 times [2020-11-28 03:05:25,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:25,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415818191] [2020-11-28 03:05:25,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:25,380 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:25,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415818191] [2020-11-28 03:05:25,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:25,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:05:25,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167150987] [2020-11-28 03:05:25,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:05:25,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:25,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:05:25,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:05:25,385 INFO L87 Difference]: Start difference. First operand 838 states and 1004 transitions. Second operand 3 states. [2020-11-28 03:05:26,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:26,107 INFO L93 Difference]: Finished difference Result 1674 states and 2052 transitions. [2020-11-28 03:05:26,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:05:26,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-11-28 03:05:26,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:26,113 INFO L225 Difference]: With dead ends: 1674 [2020-11-28 03:05:26,114 INFO L226 Difference]: Without dead ends: 977 [2020-11-28 03:05:26,115 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 03:05:26,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-11-28 03:05:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-11-28 03:05:26,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-28 03:05:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions. [2020-11-28 03:05:26,140 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 174 [2020-11-28 03:05:26,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:26,144 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions. [2020-11-28 03:05:26,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:05:26,145 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions. [2020-11-28 03:05:26,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-11-28 03:05:26,149 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:26,149 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:26,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:05:26,150 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:26,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:26,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1535681170, now seen corresponding path program 1 times [2020-11-28 03:05:26,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:26,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058375647] [2020-11-28 03:05:26,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-11-28 03:05:26,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058375647] [2020-11-28 03:05:26,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135008559] [2020-11-28 03:05:26,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/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 03:05:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:26,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:05:26,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2020-11-28 03:05:26,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:05:26,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 03:05:26,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583890291] [2020-11-28 03:05:26,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:05:26,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:26,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:05:26,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:05:26,887 INFO L87 Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand 3 states. [2020-11-28 03:05:27,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:27,899 INFO L93 Difference]: Finished difference Result 1535 states and 1759 transitions. [2020-11-28 03:05:27,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:05:27,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2020-11-28 03:05:27,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:27,909 INFO L225 Difference]: With dead ends: 1535 [2020-11-28 03:05:27,909 INFO L226 Difference]: Without dead ends: 1533 [2020-11-28 03:05:27,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:05:27,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-11-28 03:05:27,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1116. [2020-11-28 03:05:27,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-28 03:05:27,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1306 transitions. [2020-11-28 03:05:27,941 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1306 transitions. Word has length 247 [2020-11-28 03:05:27,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:27,942 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1306 transitions. [2020-11-28 03:05:27,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:05:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1306 transitions. [2020-11-28 03:05:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-11-28 03:05:27,948 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:27,948 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:28,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-28 03:05:28,174 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:28,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:28,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1266196274, now seen corresponding path program 1 times [2020-11-28 03:05:28,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:28,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120491058] [2020-11-28 03:05:28,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 79 proven. 42 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-28 03:05:28,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120491058] [2020-11-28 03:05:28,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840878724] [2020-11-28 03:05:28,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/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 03:05:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:28,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:05:28,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-28 03:05:29,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:05:29,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-11-28 03:05:29,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615983046] [2020-11-28 03:05:29,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:05:29,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:29,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:05:29,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:05:29,073 INFO L87 Difference]: Start difference. First operand 1116 states and 1306 transitions. Second operand 3 states. [2020-11-28 03:05:29,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:29,818 INFO L93 Difference]: Finished difference Result 2369 states and 2844 transitions. [2020-11-28 03:05:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:05:29,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-11-28 03:05:29,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:29,826 INFO L225 Difference]: With dead ends: 2369 [2020-11-28 03:05:29,827 INFO L226 Difference]: Without dead ends: 1394 [2020-11-28 03:05:29,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:05:29,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-28 03:05:29,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-11-28 03:05:29,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 03:05:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-11-28 03:05:29,868 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 311 [2020-11-28 03:05:29,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:29,868 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-11-28 03:05:29,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:05:29,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-11-28 03:05:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2020-11-28 03:05:29,876 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:05:29,877 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:05:30,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:05:30,090 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:05:30,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:30,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1509899195, now seen corresponding path program 1 times [2020-11-28 03:05:30,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:30,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240511180] [2020-11-28 03:05:30,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-28 03:05:30,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240511180] [2020-11-28 03:05:30,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:30,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:05:30,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401544315] [2020-11-28 03:05:30,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:05:30,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:30,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:05:30,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:05:30,360 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-11-28 03:05:31,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:31,109 INFO L93 Difference]: Finished difference Result 2645 states and 3076 transitions. [2020-11-28 03:05:31,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:05:31,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 362 [2020-11-28 03:05:31,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:05:31,112 INFO L225 Difference]: With dead ends: 2645 [2020-11-28 03:05:31,112 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:05:31,115 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 03:05:31,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:05:31,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:05:31,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:05:31,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:05:31,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2020-11-28 03:05:31,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:05:31,119 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:31,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:05:31,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:05:31,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:05:31,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:05:31,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:05:31,279 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-11-28 03:05:31,368 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,369 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-28 03:05:31,370 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:05:31,371 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-28 03:05:31,372 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,373 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-28 03:05:31,374 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:05:31,375 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-28 03:05:31,376 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:05:31,377 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:05:31,377 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:05:31,377 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:05:31,377 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:05:31,377 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:05:31,377 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-11-28 03:05:31,377 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-28 03:05:31,377 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-28 03:05:31,377 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-28 03:05:31,377 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:05:31,378 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,379 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:05:31,380 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,381 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-28 03:05:31,381 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-28 03:05:31,381 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-28 03:05:31,381 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-28 03:05:31,381 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:05:31,381 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:05:31,381 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:05:31,381 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:05:31,384 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:05:31,385 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-28 03:05:31,385 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-28 03:05:31,385 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-28 03:05:31,385 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse2 (<= ~a19~0 9)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 9 ~a19~0) .cse1 .cse2) (and .cse0 (<= 4 ~a10~0) .cse1 .cse2) (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2020-11-28 03:05:31,386 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-28 03:05:31,386 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,386 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,386 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,386 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,386 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:05:31,386 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,387 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:05:31,393 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:05:31,394 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:05:31,395 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:05:31,395 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:05:31,395 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:05:31,395 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:05:31,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:05:31 BoogieIcfgContainer [2020-11-28 03:05:31,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:05:31,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:31,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:31,426 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:31,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:19" (3/4) ... [2020-11-28 03:05:31,435 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:05:31,462 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:05:31,463 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:05:31,464 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:05:31,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:05:31,632 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c308c390-00fb-4efd-a117-3e5f99e1ff7e/bin/uautomizer/witness.graphml [2020-11-28 03:05:31,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:31,633 INFO L168 Benchmark]: Toolchain (without parser) took 14848.49 ms. Allocated memory was 96.5 MB in the beginning and 316.7 MB in the end (delta: 220.2 MB). Free memory was 63.9 MB in the beginning and 144.5 MB in the end (delta: -80.6 MB). Peak memory consumption was 140.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:31,634 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 96.5 MB. Free memory was 53.7 MB in the beginning and 53.7 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:31,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.62 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 63.5 MB in the beginning and 87.6 MB in the end (delta: -24.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:31,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.05 ms. Allocated memory is still 127.9 MB. Free memory was 87.6 MB in the beginning and 79.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:31,635 INFO L168 Benchmark]: Boogie Preprocessor took 95.88 ms. Allocated memory is still 127.9 MB. Free memory was 79.9 MB in the beginning and 74.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:31,636 INFO L168 Benchmark]: RCFGBuilder took 1640.78 ms. Allocated memory is still 127.9 MB. Free memory was 74.7 MB in the beginning and 78.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:31,636 INFO L168 Benchmark]: TraceAbstraction took 12051.53 ms. Allocated memory was 127.9 MB in the beginning and 316.7 MB in the end (delta: 188.7 MB). Free memory was 77.3 MB in the beginning and 159.2 MB in the end (delta: -81.9 MB). Peak memory consumption was 106.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:31,636 INFO L168 Benchmark]: Witness Printer took 206.50 ms. Allocated memory is still 316.7 MB. Free memory was 159.2 MB in the beginning and 144.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:31,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 96.5 MB. Free memory was 53.7 MB in the beginning and 53.7 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 719.62 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 63.5 MB in the beginning and 87.6 MB in the end (delta: -24.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.05 ms. Allocated memory is still 127.9 MB. Free memory was 87.6 MB in the beginning and 79.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 95.88 ms. Allocated memory is still 127.9 MB. Free memory was 79.9 MB in the beginning and 74.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1640.78 ms. Allocated memory is still 127.9 MB. Free memory was 74.7 MB in the beginning and 78.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 55.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12051.53 ms. Allocated memory was 127.9 MB in the beginning and 316.7 MB in the end (delta: 188.7 MB). Free memory was 77.3 MB in the beginning and 159.2 MB in the end (delta: -81.9 MB). Peak memory consumption was 106.6 MB. Max. memory is 16.1 GB. * Witness Printer took 206.50 ms. Allocated memory is still 316.7 MB. Free memory was 159.2 MB in the beginning and 144.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: (((((((14 == a4 && 9 <= a19) && a12 == 0) && a19 <= 9) || (((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((14 == a4 && 9 <= a19) && a12 == 0) && a19 <= 9) || (((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - 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: 11.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1066 SDtfs, 876 SDslu, 45 SDs, 0 SdLazy, 3381 SolverSat, 528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 556 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 29 NumberOfFragments, 141 HoareAnnotationTreeSize, 3 FomulaSimplifications, 308 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 96 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2272 NumberOfCodeBlocks, 2272 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2261 ConstructedInterpolants, 0 QuantifiedInterpolants, 1991605 SizeOfPredicates, 2 NumberOfNonLiveVariables, 794 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 1493/1585 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...