./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.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_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/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 c45c2e72fe5956609ac14f38b7bc5b3490c2942a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:03:04,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:03:04,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:03:04,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:03:04,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:03:04,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:03:04,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:03:04,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:03:04,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:03:04,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:03:04,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:03:04,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:03:04,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:03:04,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:03:04,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:03:04,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:03:04,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:03:04,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:03:04,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:03:04,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:03:04,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:03:04,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:03:04,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:03:04,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:03:04,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:03:04,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:03:04,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:03:04,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:03:04,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:03:04,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:03:04,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:03:04,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:03:04,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:03:04,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:03:04,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:03:04,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:03:04,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:03:04,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:03:04,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:03:04,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:03:04,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:03:04,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:03:04,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:03:04,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:03:04,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:03:04,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:03:04,562 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:03:04,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:03:04,563 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:03:04,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:03:04,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:03:04,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:03:04,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:03:04,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:03:04,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:03:04,565 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:03:04,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:03:04,566 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:03:04,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:03:04,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:03:04,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:03:04,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:03:04,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:03:04,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:03:04,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:03:04,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:03:04,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:03:04,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:03:04,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:03:04,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:03:04,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:03:04,569 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_0894a3ce-2a55-468f-aa62-d1af854016bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c45c2e72fe5956609ac14f38b7bc5b3490c2942a [2020-11-28 03:03:04,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:03:04,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:03:04,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:03:04,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:03:04,869 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:03:04,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/../../sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c [2020-11-28 03:03:04,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/data/af5786a07/68bbd7da2016464ca7a86860fbf82235/FLAGa47eeb680 [2020-11-28 03:03:05,490 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:05,491 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/sv-benchmarks/c/openssl-simplified/s3_clnt_3.cil-2.c [2020-11-28 03:03:05,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/data/af5786a07/68bbd7da2016464ca7a86860fbf82235/FLAGa47eeb680 [2020-11-28 03:03:05,804 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/data/af5786a07/68bbd7da2016464ca7a86860fbf82235 [2020-11-28 03:03:05,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:05,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:03:05,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:05,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:05,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:05,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:05" (1/1) ... [2020-11-28 03:03:05,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb807bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:05, skipping insertion in model container [2020-11-28 03:03:05,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:05" (1/1) ... [2020-11-28 03:03:05,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:05,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:06,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:06,114 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:06,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:06,188 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:06,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06 WrapperNode [2020-11-28 03:03:06,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:06,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:06,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:03:06,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:03:06,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (1/1) ... [2020-11-28 03:03:06,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (1/1) ... [2020-11-28 03:03:06,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:06,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:06,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:06,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:06,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (1/1) ... [2020-11-28 03:03:06,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (1/1) ... [2020-11-28 03:03:06,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (1/1) ... [2020-11-28 03:03:06,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (1/1) ... [2020-11-28 03:03:06,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (1/1) ... [2020-11-28 03:03:06,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (1/1) ... [2020-11-28 03:03:06,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (1/1) ... [2020-11-28 03:03:06,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:06,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:06,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:06,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:06,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/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 03:03:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:03:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:03:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:06,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:06,600 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-28 03:03:07,466 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-28 03:03:07,466 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-28 03:03:07,476 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:03:07,476 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:03:07,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:07 BoogieIcfgContainer [2020-11-28 03:03:07,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:03:07,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:03:07,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:03:07,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:03:07,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:03:05" (1/3) ... [2020-11-28 03:03:07,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3917f200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:07, skipping insertion in model container [2020-11-28 03:03:07,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:06" (2/3) ... [2020-11-28 03:03:07,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3917f200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:07, skipping insertion in model container [2020-11-28 03:03:07,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:07" (3/3) ... [2020-11-28 03:03:07,489 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.cil-2.c [2020-11-28 03:03:07,497 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:03:07,502 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:03:07,512 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:03:07,533 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:03:07,533 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:03:07,533 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:03:07,533 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:03:07,534 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:03:07,534 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:03:07,534 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:03:07,534 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:03:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-11-28 03:03:07,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:03:07,554 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:07,555 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] [2020-11-28 03:03:07,555 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:07,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:07,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1457695038, now seen corresponding path program 1 times [2020-11-28 03:03:07,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:07,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714530811] [2020-11-28 03:03:07,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:07,764 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 03:03:07,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714530811] [2020-11-28 03:03:07,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:07,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:03:07,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382861076] [2020-11-28 03:03:07,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:07,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:07,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:07,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:07,791 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 3 states. [2020-11-28 03:03:08,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:08,069 INFO L93 Difference]: Finished difference Result 253 states and 428 transitions. [2020-11-28 03:03:08,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:08,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:03:08,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:08,093 INFO L225 Difference]: With dead ends: 253 [2020-11-28 03:03:08,093 INFO L226 Difference]: Without dead ends: 115 [2020-11-28 03:03:08,096 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 03:03:08,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-28 03:03:08,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-11-28 03:03:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-28 03:03:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions. [2020-11-28 03:03:08,175 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 24 [2020-11-28 03:03:08,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:08,176 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions. [2020-11-28 03:03:08,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:08,176 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions. [2020-11-28 03:03:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:03:08,180 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:08,180 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 03:03:08,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:03:08,181 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:08,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:08,183 INFO L82 PathProgramCache]: Analyzing trace with hash 561717339, now seen corresponding path program 1 times [2020-11-28 03:03:08,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:08,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790845154] [2020-11-28 03:03:08,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:08,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790845154] [2020-11-28 03:03:08,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:08,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:03:08,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837846676] [2020-11-28 03:03:08,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:08,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:08,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:08,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:08,313 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand 3 states. [2020-11-28 03:03:08,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:08,499 INFO L93 Difference]: Finished difference Result 238 states and 360 transitions. [2020-11-28 03:03:08,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:08,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-28 03:03:08,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:08,503 INFO L225 Difference]: With dead ends: 238 [2020-11-28 03:03:08,503 INFO L226 Difference]: Without dead ends: 133 [2020-11-28 03:03:08,504 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 03:03:08,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-11-28 03:03:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2020-11-28 03:03:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-11-28 03:03:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 192 transitions. [2020-11-28 03:03:08,519 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 192 transitions. Word has length 37 [2020-11-28 03:03:08,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:08,520 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 192 transitions. [2020-11-28 03:03:08,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions. [2020-11-28 03:03:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 03:03:08,524 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:08,524 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:08,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:03:08,525 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:08,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:08,528 INFO L82 PathProgramCache]: Analyzing trace with hash 356453796, now seen corresponding path program 1 times [2020-11-28 03:03:08,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:08,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122428787] [2020-11-28 03:03:08,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 03:03:08,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122428787] [2020-11-28 03:03:08,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:08,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:03:08,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453530065] [2020-11-28 03:03:08,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:08,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:08,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:08,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:08,680 INFO L87 Difference]: Start difference. First operand 130 states and 192 transitions. Second operand 3 states. [2020-11-28 03:03:08,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:08,883 INFO L93 Difference]: Finished difference Result 272 states and 408 transitions. [2020-11-28 03:03:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:08,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-11-28 03:03:08,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:08,886 INFO L225 Difference]: With dead ends: 272 [2020-11-28 03:03:08,886 INFO L226 Difference]: Without dead ends: 152 [2020-11-28 03:03:08,887 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 03:03:08,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-11-28 03:03:08,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 147. [2020-11-28 03:03:08,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-11-28 03:03:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions. [2020-11-28 03:03:08,903 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 51 [2020-11-28 03:03:08,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:08,910 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions. [2020-11-28 03:03:08,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:08,911 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2020-11-28 03:03:08,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 03:03:08,913 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:08,913 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:08,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:03:08,914 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:08,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:08,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1238030766, now seen corresponding path program 1 times [2020-11-28 03:03:08,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:08,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078802367] [2020-11-28 03:03:08,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 03:03:09,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078802367] [2020-11-28 03:03:09,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:09,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:03:09,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211592150] [2020-11-28 03:03:09,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:09,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:09,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:09,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:09,025 INFO L87 Difference]: Start difference. First operand 147 states and 214 transitions. Second operand 3 states. [2020-11-28 03:03:09,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:09,281 INFO L93 Difference]: Finished difference Result 335 states and 503 transitions. [2020-11-28 03:03:09,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:09,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-11-28 03:03:09,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:09,284 INFO L225 Difference]: With dead ends: 335 [2020-11-28 03:03:09,284 INFO L226 Difference]: Without dead ends: 197 [2020-11-28 03:03:09,285 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 03:03:09,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-11-28 03:03:09,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2020-11-28 03:03:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-11-28 03:03:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions. [2020-11-28 03:03:09,297 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 68 [2020-11-28 03:03:09,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:09,298 INFO L481 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions. [2020-11-28 03:03:09,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions. [2020-11-28 03:03:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 03:03:09,301 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:09,301 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:09,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:03:09,302 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:09,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:09,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1251498196, now seen corresponding path program 1 times [2020-11-28 03:03:09,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:09,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731469714] [2020-11-28 03:03:09,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 03:03:09,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731469714] [2020-11-28 03:03:09,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:09,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:03:09,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239390940] [2020-11-28 03:03:09,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:09,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:09,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:09,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:09,389 INFO L87 Difference]: Start difference. First operand 188 states and 264 transitions. Second operand 3 states. [2020-11-28 03:03:09,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:09,623 INFO L93 Difference]: Finished difference Result 390 states and 555 transitions. [2020-11-28 03:03:09,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:09,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-11-28 03:03:09,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:09,625 INFO L225 Difference]: With dead ends: 390 [2020-11-28 03:03:09,626 INFO L226 Difference]: Without dead ends: 212 [2020-11-28 03:03:09,627 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 03:03:09,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-11-28 03:03:09,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207. [2020-11-28 03:03:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-28 03:03:09,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions. [2020-11-28 03:03:09,638 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 68 [2020-11-28 03:03:09,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:09,639 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions. [2020-11-28 03:03:09,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions. [2020-11-28 03:03:09,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-11-28 03:03:09,641 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:09,641 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:09,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:03:09,642 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:09,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:09,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1821092144, now seen corresponding path program 1 times [2020-11-28 03:03:09,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:09,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060191643] [2020-11-28 03:03:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-28 03:03:09,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060191643] [2020-11-28 03:03:09,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:09,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:03:09,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361089553] [2020-11-28 03:03:09,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:09,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:09,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:09,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:09,749 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand 3 states. [2020-11-28 03:03:09,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:09,971 INFO L93 Difference]: Finished difference Result 428 states and 604 transitions. [2020-11-28 03:03:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:09,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-11-28 03:03:09,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:09,974 INFO L225 Difference]: With dead ends: 428 [2020-11-28 03:03:09,975 INFO L226 Difference]: Without dead ends: 231 [2020-11-28 03:03:09,975 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 03:03:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-11-28 03:03:09,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2020-11-28 03:03:09,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-11-28 03:03:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 314 transitions. [2020-11-28 03:03:09,993 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 314 transitions. Word has length 85 [2020-11-28 03:03:09,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:09,995 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 314 transitions. [2020-11-28 03:03:09,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:09,996 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2020-11-28 03:03:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-28 03:03:10,001 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:10,003 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:10,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:03:10,004 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:10,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:10,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1901861672, now seen corresponding path program 1 times [2020-11-28 03:03:10,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:10,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876690297] [2020-11-28 03:03:10,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:10,110 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 03:03:10,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876690297] [2020-11-28 03:03:10,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:10,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:03:10,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900534359] [2020-11-28 03:03:10,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:10,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:10,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:10,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:10,119 INFO L87 Difference]: Start difference. First operand 228 states and 314 transitions. Second operand 3 states. [2020-11-28 03:03:10,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:10,196 INFO L93 Difference]: Finished difference Result 661 states and 912 transitions. [2020-11-28 03:03:10,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:10,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-11-28 03:03:10,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:10,205 INFO L225 Difference]: With dead ends: 661 [2020-11-28 03:03:10,206 INFO L226 Difference]: Without dead ends: 443 [2020-11-28 03:03:10,207 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 03:03:10,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-11-28 03:03:10,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2020-11-28 03:03:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-11-28 03:03:10,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 606 transitions. [2020-11-28 03:03:10,237 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 606 transitions. Word has length 105 [2020-11-28 03:03:10,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:10,238 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 606 transitions. [2020-11-28 03:03:10,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:10,238 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 606 transitions. [2020-11-28 03:03:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-28 03:03:10,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:10,240 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:10,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:03:10,240 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:10,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:10,241 INFO L82 PathProgramCache]: Analyzing trace with hash 837467901, now seen corresponding path program 1 times [2020-11-28 03:03:10,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:10,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835351510] [2020-11-28 03:03:10,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:10,306 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-28 03:03:10,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835351510] [2020-11-28 03:03:10,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:10,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:03:10,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47184264] [2020-11-28 03:03:10,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:10,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:10,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:10,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:10,308 INFO L87 Difference]: Start difference. First operand 443 states and 606 transitions. Second operand 3 states. [2020-11-28 03:03:10,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:10,358 INFO L93 Difference]: Finished difference Result 897 states and 1226 transitions. [2020-11-28 03:03:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:10,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-28 03:03:10,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:10,362 INFO L225 Difference]: With dead ends: 897 [2020-11-28 03:03:10,362 INFO L226 Difference]: Without dead ends: 464 [2020-11-28 03:03:10,363 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 03:03:10,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-11-28 03:03:10,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2020-11-28 03:03:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-11-28 03:03:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 633 transitions. [2020-11-28 03:03:10,378 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 633 transitions. Word has length 106 [2020-11-28 03:03:10,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:10,379 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 633 transitions. [2020-11-28 03:03:10,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 633 transitions. [2020-11-28 03:03:10,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-28 03:03:10,380 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:10,381 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:10,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:03:10,381 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:10,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:10,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1077707647, now seen corresponding path program 1 times [2020-11-28 03:03:10,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:10,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727042199] [2020-11-28 03:03:10,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:10,442 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-11-28 03:03:10,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727042199] [2020-11-28 03:03:10,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:10,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:03:10,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112661638] [2020-11-28 03:03:10,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:10,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:10,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:10,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:10,444 INFO L87 Difference]: Start difference. First operand 464 states and 633 transitions. Second operand 3 states. [2020-11-28 03:03:10,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:10,478 INFO L93 Difference]: Finished difference Result 945 states and 1287 transitions. [2020-11-28 03:03:10,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:10,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-28 03:03:10,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:10,482 INFO L225 Difference]: With dead ends: 945 [2020-11-28 03:03:10,482 INFO L226 Difference]: Without dead ends: 491 [2020-11-28 03:03:10,483 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 03:03:10,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-11-28 03:03:10,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491. [2020-11-28 03:03:10,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-11-28 03:03:10,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 667 transitions. [2020-11-28 03:03:10,497 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 667 transitions. Word has length 106 [2020-11-28 03:03:10,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:10,498 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 667 transitions. [2020-11-28 03:03:10,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 667 transitions. [2020-11-28 03:03:10,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-28 03:03:10,499 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:10,499 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:10,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:03:10,500 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:10,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:10,500 INFO L82 PathProgramCache]: Analyzing trace with hash -2015927886, now seen corresponding path program 1 times [2020-11-28 03:03:10,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:10,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874010930] [2020-11-28 03:03:10,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:10,602 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:03:10,680 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:03:10,756 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:03:10,756 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:03:10,757 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:03:10,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:03:10 BoogieIcfgContainer [2020-11-28 03:03:10,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:03:10,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:03:10,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:03:10,935 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:03:10,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:07" (3/4) ... [2020-11-28 03:03:10,938 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:03:11,085 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0894a3ce-2a55-468f-aa62-d1af854016bb/bin/uautomizer/witness.graphml [2020-11-28 03:03:11,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:03:11,088 INFO L168 Benchmark]: Toolchain (without parser) took 5278.78 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 76.5 MB in the beginning and 92.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:11,088 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:11,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.03 ms. Allocated memory is still 107.0 MB. Free memory was 76.3 MB in the beginning and 80.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:11,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.20 ms. Allocated memory is still 107.0 MB. Free memory was 79.6 MB in the beginning and 77.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:11,090 INFO L168 Benchmark]: Boogie Preprocessor took 58.30 ms. Allocated memory is still 107.0 MB. Free memory was 77.2 MB in the beginning and 75.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:11,090 INFO L168 Benchmark]: RCFGBuilder took 1174.27 ms. Allocated memory is still 107.0 MB. Free memory was 75.1 MB in the beginning and 73.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:11,090 INFO L168 Benchmark]: TraceAbstraction took 3447.52 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 73.2 MB in the beginning and 107.7 MB in the end (delta: -34.4 MB). Peak memory consumption was 63.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:11,091 INFO L168 Benchmark]: Witness Printer took 155.03 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 92.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:11,093 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 86.0 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 379.03 ms. Allocated memory is still 107.0 MB. Free memory was 76.3 MB in the beginning and 80.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.20 ms. Allocated memory is still 107.0 MB. Free memory was 79.6 MB in the beginning and 77.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.30 ms. Allocated memory is still 107.0 MB. Free memory was 77.2 MB in the beginning and 75.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1174.27 ms. Allocated memory is still 107.0 MB. Free memory was 75.1 MB in the beginning and 73.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3447.52 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 73.2 MB in the beginning and 107.7 MB in the end (delta: -34.4 MB). Peak memory consumption was 63.7 MB. Max. memory is 16.1 GB. * Witness Printer took 155.03 ms. Allocated memory is still 140.5 MB. Free memory was 107.7 MB in the beginning and 92.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L580] int s ; [L584] s = 12292 [L14] int s__info_callback = __VERIFIER_nondet_int() ; [L15] int s__in_handshake = __VERIFIER_nondet_int() ; [L16] int s__state ; [L17] int s__new_session ; [L18] int s__server ; [L19] int s__version = __VERIFIER_nondet_int() ; [L20] int s__type ; [L21] int s__init_num ; [L22] int s__bbio = __VERIFIER_nondet_int() ; [L23] int s__wbio = __VERIFIER_nondet_int() ; [L24] int s__hit = __VERIFIER_nondet_int() ; [L25] int s__rwstate ; [L26] int s__init_buf___0 = __VERIFIER_nondet_int() ; [L27] int s__debug = __VERIFIER_nondet_int() ; [L28] int s__shutdown ; [L29] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L30] int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_connect = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int() ; [L34] int s__s3__change_cipher_spec ; [L35] int s__s3__flags = __VERIFIER_nondet_int() ; [L36] int s__s3__delay_buf_pop_ret ; [L37] int s__s3__tmp__cert_req = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_compression = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int() ; [L40] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L41] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L42] int s__s3__tmp__next_state___0 ; [L43] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int() ; [L44] int s__session__cipher ; [L45] int s__session__compress_meth ; [L46] int buf ; [L47] unsigned long tmp ; [L48] unsigned long l ; [L49] int num1 = __VERIFIER_nondet_int() ; [L50] int cb ; [L51] int ret ; [L52] int new_state ; [L53] int state ; [L54] int skip ; [L55] int tmp___0 ; [L56] int tmp___1 = __VERIFIER_nondet_int() ; [L57] int tmp___2 = __VERIFIER_nondet_int() ; [L58] int tmp___3 = __VERIFIER_nondet_int() ; [L59] int tmp___4 = __VERIFIER_nondet_int() ; [L60] int tmp___5 = __VERIFIER_nondet_int() ; [L61] int tmp___6 = __VERIFIER_nondet_int() ; [L62] int tmp___7 = __VERIFIER_nondet_int() ; [L63] int tmp___8 = __VERIFIER_nondet_int() ; [L64] int tmp___9 = __VERIFIER_nondet_int() ; [L65] int blastFlag ; [L66] int __cil_tmp55 ; [L67] void *__cil_tmp56 ; [L68] unsigned long __cil_tmp57 ; [L69] unsigned long __cil_tmp58 = __VERIFIER_nondet_ulong() ; [L70] void *__cil_tmp59 ; [L71] unsigned long __cil_tmp60 ; [L72] unsigned long __cil_tmp61 ; [L73] unsigned long __cil_tmp62 ; [L74] unsigned long __cil_tmp63 ; [L75] unsigned long __cil_tmp64 ; [L76] long __cil_tmp65 = __VERIFIER_nondet_long() ; [L77] long __cil_tmp66 ; [L78] long __cil_tmp67 ; [L79] long __cil_tmp68 ; [L80] long __cil_tmp69 ; [L81] long __cil_tmp70 = __VERIFIER_nondet_long() ; [L82] long __cil_tmp71 ; [L83] long __cil_tmp72 ; [L84] long __cil_tmp73 ; [L85] long __cil_tmp74 ; [L89] s__state = initial_state [L90] blastFlag = 0 [L91] tmp = __VERIFIER_nondet_int() [L92] cb = 0 [L93] ret = -1 [L94] skip = 0 [L95] tmp___0 = 0 [L96] COND TRUE s__info_callback != 0 [L97] cb = s__info_callback [L103] s__in_handshake ++ [L104] COND FALSE !(tmp___1 + 12288) [L110] COND TRUE 1 [L112] state = s__state [L113] COND TRUE s__state == 12292 [L215] s__new_session = 1 [L216] s__state = 4096 [L217] s__ctx__stats__sess_connect_renegotiate ++ [L222] s__server = 0 [L223] COND TRUE cb != 0 [L227] __cil_tmp55 = s__version + 65280 [L228] COND FALSE !(__cil_tmp55 != 768) [L233] s__type = 4096 [L235] __cil_tmp56 = (void *)0 [L236] __cil_tmp57 = (unsigned long )__cil_tmp56 [L237] __cil_tmp58 = (unsigned long )s__init_buf___0 [L238] COND FALSE !(__cil_tmp58 == __cil_tmp57) [L256] COND FALSE !(! tmp___4) [L260] COND FALSE !(! tmp___5) [L264] s__state = 4368 [L265] s__ctx__stats__sess_connect ++ [L266] s__init_num = 0 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND TRUE s__state == 4368 [L270] s__shutdown = 0 [L271] ret = __VERIFIER_nondet_int() [L272] COND TRUE blastFlag == 0 [L273] blastFlag = 1 [L275] COND FALSE !(ret <= 0) [L278] s__state = 4384 [L279] s__init_num = 0 [L281] __cil_tmp62 = (unsigned long )s__wbio [L282] __cil_tmp63 = (unsigned long )s__bbio [L283] COND TRUE __cil_tmp63 != __cil_tmp62 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND TRUE s__state == 4384 [L290] ret = __VERIFIER_nondet_int() [L291] COND TRUE blastFlag == 1 [L292] blastFlag = 2 [L298] COND FALSE !(ret <= 0) [L301] COND FALSE !(\read(s__hit)) [L304] s__state = 4400 [L306] s__init_num = 0 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND TRUE s__state == 4400 [L311] __cil_tmp64 = (unsigned long )s__s3__tmp__new_cipher__algorithms [L312] COND FALSE !(__cil_tmp64 + 256UL) [L315] ret = __VERIFIER_nondet_int() [L316] COND TRUE blastFlag == 2 [L317] blastFlag = 3 [L319] COND FALSE !(ret <= 0) [L324] s__state = 4416 [L325] s__init_num = 0 [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND FALSE !(s__state == 4400) [L143] COND FALSE !(s__state == 4401) [L146] COND TRUE s__state == 4416 [L329] ret = __VERIFIER_nondet_int() [L330] COND TRUE blastFlag == 3 [L331] blastFlag = 4 [L333] COND FALSE !(ret <= 0) [L336] s__state = 4432 [L337] s__init_num = 0 [L338] COND FALSE !(! tmp___6) [L547] COND FALSE !(! s__s3__tmp__reuse_message) [L564] skip = 0 [L110] COND TRUE 1 [L112] state = s__state [L113] COND FALSE !(s__state == 12292) [L116] COND FALSE !(s__state == 16384) [L119] COND FALSE !(s__state == 4096) [L122] COND FALSE !(s__state == 20480) [L125] COND FALSE !(s__state == 4099) [L128] COND FALSE !(s__state == 4368) [L131] COND FALSE !(s__state == 4369) [L134] COND FALSE !(s__state == 4384) [L137] COND FALSE !(s__state == 4385) [L140] COND FALSE !(s__state == 4400) [L143] COND FALSE !(s__state == 4401) [L146] COND FALSE !(s__state == 4416) [L149] COND FALSE !(s__state == 4417) [L152] COND TRUE s__state == 4432 [L345] ret = __VERIFIER_nondet_int() [L346] COND TRUE blastFlag == 4 [L3] __assert_fail("0", "s3_clnt_3.cil-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.2s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1631 SDtfs, 275 SDslu, 970 SDs, 0 SdLazy, 642 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 25 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 757 NumberOfCodeBlocks, 757 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 641 ConstructedInterpolants, 0 QuantifiedInterpolants, 79489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 586/586 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 incorrect! Received shutdown request...