./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label15.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_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c -s /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/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 9fd1c199175ae89d653ba6bc804fff94514799a0 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:37:21,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:37:21,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:37:21,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:37:21,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:37:21,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:37:21,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:37:21,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:37:21,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:37:21,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:37:21,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:37:21,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:37:21,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:37:21,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:37:21,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:37:21,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:37:21,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:37:21,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:37:21,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:37:21,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:37:21,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:37:21,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:37:21,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:37:21,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:37:21,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:37:21,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:37:21,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:37:21,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:37:21,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:37:21,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:37:21,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:37:21,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:37:21,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:37:21,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:37:21,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:37:21,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:37:21,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:37:21,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:37:21,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:37:21,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:37:21,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:37:21,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:37:21,992 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:37:21,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:37:21,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:37:21,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:37:21,995 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:37:21,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:37:21,996 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:37:21,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:37:21,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:37:21,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:37:21,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:37:21,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:37:21,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:37:21,998 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:37:21,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:37:21,998 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:37:21,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:37:21,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:37:21,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:37:22,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:37:22,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:37:22,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:37:22,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:37:22,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:37:22,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:37:22,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:37:22,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:37:22,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:37:22,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:37:22,003 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_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fd1c199175ae89d653ba6bc804fff94514799a0 [2020-11-30 00:37:22,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:37:22,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:37:22,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:37:22,382 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:37:22,385 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:37:22,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c [2020-11-30 00:37:22,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/data/0528dd90b/03b8d392f07b4f8e99808f9936e68ae2/FLAGa1495e45e [2020-11-30 00:37:23,229 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:37:23,229 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/sv-benchmarks/c/eca-rers2012/Problem02_label15.c [2020-11-30 00:37:23,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/data/0528dd90b/03b8d392f07b4f8e99808f9936e68ae2/FLAGa1495e45e [2020-11-30 00:37:23,466 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/data/0528dd90b/03b8d392f07b4f8e99808f9936e68ae2 [2020-11-30 00:37:23,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:37:23,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:37:23,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:37:23,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:37:23,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:37:23,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:37:23" (1/1) ... [2020-11-30 00:37:23,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b08b88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:23, skipping insertion in model container [2020-11-30 00:37:23,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:37:23" (1/1) ... [2020-11-30 00:37:23,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:37:23,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:37:24,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:37:24,071 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:37:24,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:37:24,252 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:37:24,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24 WrapperNode [2020-11-30 00:37:24,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:37:24,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:37:24,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:37:24,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:37:24,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (1/1) ... [2020-11-30 00:37:24,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (1/1) ... [2020-11-30 00:37:24,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:37:24,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:37:24,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:37:24,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:37:24,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (1/1) ... [2020-11-30 00:37:24,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (1/1) ... [2020-11-30 00:37:24,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (1/1) ... [2020-11-30 00:37:24,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (1/1) ... [2020-11-30 00:37:24,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (1/1) ... [2020-11-30 00:37:24,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (1/1) ... [2020-11-30 00:37:24,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (1/1) ... [2020-11-30 00:37:24,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:37:24,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:37:24,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:37:24,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:37:24,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/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 [2020-11-30 00:37:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:37:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:37:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:37:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:37:26,337 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:37:26,337 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:37:26,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:37:26 BoogieIcfgContainer [2020-11-30 00:37:26,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:37:26,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:37:26,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:37:26,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:37:26,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:37:23" (1/3) ... [2020-11-30 00:37:26,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1174443f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:37:26, skipping insertion in model container [2020-11-30 00:37:26,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:24" (2/3) ... [2020-11-30 00:37:26,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1174443f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:37:26, skipping insertion in model container [2020-11-30 00:37:26,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:37:26" (3/3) ... [2020-11-30 00:37:26,356 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label15.c [2020-11-30 00:37:26,373 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:37:26,379 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:37:26,393 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:37:26,437 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:37:26,438 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:37:26,438 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:37:26,438 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:37:26,438 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:37:26,438 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:37:26,439 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:37:26,439 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:37:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-30 00:37:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-30 00:37:26,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:26,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:37:26,480 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:37:26,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:26,486 INFO L82 PathProgramCache]: Analyzing trace with hash -648019827, now seen corresponding path program 1 times [2020-11-30 00:37:26,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:26,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344183491] [2020-11-30 00:37:26,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:37:27,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344183491] [2020-11-30 00:37:27,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:27,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:37:27,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618204262] [2020-11-30 00:37:27,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:27,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:27,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:27,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:27,113 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-30 00:37:28,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:28,574 INFO L93 Difference]: Finished difference Result 640 states and 1083 transitions. [2020-11-30 00:37:28,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:28,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-11-30 00:37:28,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:28,600 INFO L225 Difference]: With dead ends: 640 [2020-11-30 00:37:28,600 INFO L226 Difference]: Without dead ends: 318 [2020-11-30 00:37:28,605 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 [2020-11-30 00:37:28,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-30 00:37:28,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2020-11-30 00:37:28,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-11-30 00:37:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2020-11-30 00:37:28,672 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 130 [2020-11-30 00:37:28,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:28,673 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2020-11-30 00:37:28,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:28,674 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2020-11-30 00:37:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-11-30 00:37:28,683 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:28,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:37:28,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:37:28,684 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:37:28,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:28,685 INFO L82 PathProgramCache]: Analyzing trace with hash -739256006, now seen corresponding path program 1 times [2020-11-30 00:37:28,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:28,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211175157] [2020-11-30 00:37:28,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:37:28,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211175157] [2020-11-30 00:37:28,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:28,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:37:28,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194279480] [2020-11-30 00:37:28,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:28,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:28,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:28,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:28,806 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand 3 states. [2020-11-30 00:37:29,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:29,667 INFO L93 Difference]: Finished difference Result 910 states and 1341 transitions. [2020-11-30 00:37:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:29,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-11-30 00:37:29,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:29,673 INFO L225 Difference]: With dead ends: 910 [2020-11-30 00:37:29,673 INFO L226 Difference]: Without dead ends: 599 [2020-11-30 00:37:29,676 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 [2020-11-30 00:37:29,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-11-30 00:37:29,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2020-11-30 00:37:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-11-30 00:37:29,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 772 transitions. [2020-11-30 00:37:29,719 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 772 transitions. Word has length 134 [2020-11-30 00:37:29,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:29,719 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 772 transitions. [2020-11-30 00:37:29,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:29,720 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 772 transitions. [2020-11-30 00:37:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-30 00:37:29,732 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:29,732 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:37:29,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:37:29,739 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:37:29,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:29,740 INFO L82 PathProgramCache]: Analyzing trace with hash -822832377, now seen corresponding path program 1 times [2020-11-30 00:37:29,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:29,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68240964] [2020-11-30 00:37:29,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:37:29,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68240964] [2020-11-30 00:37:29,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749128544] [2020-11-30 00:37:29,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/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 [2020-11-30 00:37:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:30,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:37:30,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:37:30,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:37:30,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-30 00:37:30,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615537084] [2020-11-30 00:37:30,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:30,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:30,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:30,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:37:30,264 INFO L87 Difference]: Start difference. First operand 596 states and 772 transitions. Second operand 3 states. [2020-11-30 00:37:31,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:31,324 INFO L93 Difference]: Finished difference Result 1611 states and 2114 transitions. [2020-11-30 00:37:31,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:31,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-11-30 00:37:31,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:31,334 INFO L225 Difference]: With dead ends: 1611 [2020-11-30 00:37:31,342 INFO L226 Difference]: Without dead ends: 1017 [2020-11-30 00:37:31,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:37:31,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-11-30 00:37:31,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 737. [2020-11-30 00:37:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-11-30 00:37:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 987 transitions. [2020-11-30 00:37:31,418 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 987 transitions. Word has length 139 [2020-11-30 00:37:31,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:31,420 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 987 transitions. [2020-11-30 00:37:31,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 987 transitions. [2020-11-30 00:37:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-30 00:37:31,430 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:31,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:37:31,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-30 00:37:31,645 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:37:31,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:31,646 INFO L82 PathProgramCache]: Analyzing trace with hash 2116859083, now seen corresponding path program 1 times [2020-11-30 00:37:31,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:31,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293447683] [2020-11-30 00:37:31,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:37:31,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293447683] [2020-11-30 00:37:31,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:31,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:37:31,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800276416] [2020-11-30 00:37:31,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:31,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:31,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:31,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:31,769 INFO L87 Difference]: Start difference. First operand 737 states and 987 transitions. Second operand 3 states. [2020-11-30 00:37:32,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:32,257 INFO L93 Difference]: Finished difference Result 1458 states and 1954 transitions. [2020-11-30 00:37:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:32,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-11-30 00:37:32,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:32,263 INFO L225 Difference]: With dead ends: 1458 [2020-11-30 00:37:32,263 INFO L226 Difference]: Without dead ends: 723 [2020-11-30 00:37:32,265 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 [2020-11-30 00:37:32,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-11-30 00:37:32,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2020-11-30 00:37:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-11-30 00:37:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 914 transitions. [2020-11-30 00:37:32,293 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 914 transitions. Word has length 141 [2020-11-30 00:37:32,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:32,294 INFO L481 AbstractCegarLoop]: Abstraction has 723 states and 914 transitions. [2020-11-30 00:37:32,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 914 transitions. [2020-11-30 00:37:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-11-30 00:37:32,298 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:32,298 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:37:32,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:37:32,299 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:37:32,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:32,302 INFO L82 PathProgramCache]: Analyzing trace with hash -539002167, now seen corresponding path program 1 times [2020-11-30 00:37:32,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:32,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005751562] [2020-11-30 00:37:32,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:37:32,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005751562] [2020-11-30 00:37:32,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:32,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:37:32,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649953555] [2020-11-30 00:37:32,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:32,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:32,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:32,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:37:32,486 INFO L87 Difference]: Start difference. First operand 723 states and 914 transitions. Second operand 3 states. [2020-11-30 00:37:33,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:33,233 INFO L93 Difference]: Finished difference Result 1585 states and 2062 transitions. [2020-11-30 00:37:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:33,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-11-30 00:37:33,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:33,241 INFO L225 Difference]: With dead ends: 1585 [2020-11-30 00:37:33,241 INFO L226 Difference]: Without dead ends: 1004 [2020-11-30 00:37:33,242 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 [2020-11-30 00:37:33,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-11-30 00:37:33,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2020-11-30 00:37:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-11-30 00:37:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1245 transitions. [2020-11-30 00:37:33,283 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1245 transitions. Word has length 161 [2020-11-30 00:37:33,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:33,284 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1245 transitions. [2020-11-30 00:37:33,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:33,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1245 transitions. [2020-11-30 00:37:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-30 00:37:33,288 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:33,289 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:37:33,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:37:33,289 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:37:33,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:33,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1979163591, now seen corresponding path program 1 times [2020-11-30 00:37:33,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:33,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505996422] [2020-11-30 00:37:33,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:33,403 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-11-30 00:37:33,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505996422] [2020-11-30 00:37:33,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93362156] [2020-11-30 00:37:33,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/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 [2020-11-30 00:37:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:33,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:37:33,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:37:33,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:37:33,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:37:33,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3811203] [2020-11-30 00:37:33,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:33,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:33,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:33,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:37:33,730 INFO L87 Difference]: Start difference. First operand 1004 states and 1245 transitions. Second operand 3 states. [2020-11-30 00:37:34,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:34,646 INFO L93 Difference]: Finished difference Result 2427 states and 3069 transitions. [2020-11-30 00:37:34,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:34,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2020-11-30 00:37:34,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:34,657 INFO L225 Difference]: With dead ends: 2427 [2020-11-30 00:37:34,657 INFO L226 Difference]: Without dead ends: 1565 [2020-11-30 00:37:34,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:37:34,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2020-11-30 00:37:34,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1565. [2020-11-30 00:37:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2020-11-30 00:37:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1871 transitions. [2020-11-30 00:37:34,705 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1871 transitions. Word has length 183 [2020-11-30 00:37:34,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:34,708 INFO L481 AbstractCegarLoop]: Abstraction has 1565 states and 1871 transitions. [2020-11-30 00:37:34,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1871 transitions. [2020-11-30 00:37:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-30 00:37:34,714 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:34,715 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:37:34,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:37:34,931 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:37:34,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:34,932 INFO L82 PathProgramCache]: Analyzing trace with hash -668386723, now seen corresponding path program 1 times [2020-11-30 00:37:34,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:34,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54874762] [2020-11-30 00:37:34,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:37:35,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54874762] [2020-11-30 00:37:35,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:35,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:37:35,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438299402] [2020-11-30 00:37:35,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:37:35,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:35,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:37:35,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:37:35,116 INFO L87 Difference]: Start difference. First operand 1565 states and 1871 transitions. Second operand 5 states. [2020-11-30 00:37:36,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:36,664 INFO L93 Difference]: Finished difference Result 3730 states and 4422 transitions. [2020-11-30 00:37:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:37:36,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 185 [2020-11-30 00:37:36,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:36,678 INFO L225 Difference]: With dead ends: 3730 [2020-11-30 00:37:36,678 INFO L226 Difference]: Without dead ends: 2021 [2020-11-30 00:37:36,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:37:36,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2021 states. [2020-11-30 00:37:36,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2021 to 1565. [2020-11-30 00:37:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2020-11-30 00:37:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1787 transitions. [2020-11-30 00:37:36,729 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1787 transitions. Word has length 185 [2020-11-30 00:37:36,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:36,730 INFO L481 AbstractCegarLoop]: Abstraction has 1565 states and 1787 transitions. [2020-11-30 00:37:36,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:37:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1787 transitions. [2020-11-30 00:37:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-30 00:37:36,736 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:36,736 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:37:36,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:37:36,737 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:37:36,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:36,737 INFO L82 PathProgramCache]: Analyzing trace with hash -2080308013, now seen corresponding path program 1 times [2020-11-30 00:37:36,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:36,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749378634] [2020-11-30 00:37:36,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:36,943 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:37:36,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749378634] [2020-11-30 00:37:36,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491611439] [2020-11-30 00:37:36,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:37:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:37,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:37:37,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:37:37,216 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-30 00:37:37,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:37:37,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 00:37:37,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467519215] [2020-11-30 00:37:37,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:37:37,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:37,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:37:37,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:37:37,219 INFO L87 Difference]: Start difference. First operand 1565 states and 1787 transitions. Second operand 3 states. [2020-11-30 00:37:37,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:37,952 INFO L93 Difference]: Finished difference Result 2985 states and 3426 transitions. [2020-11-30 00:37:37,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:37:37,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-11-30 00:37:37,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:37,954 INFO L225 Difference]: With dead ends: 2985 [2020-11-30 00:37:37,955 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:37:37,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:37:37,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:37:37,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:37:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:37:37,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:37:37,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2020-11-30 00:37:37,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:37,960 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:37:37,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:37:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:37:37,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:37:38,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:37:38,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:37:38,368 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,368 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,368 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,368 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-30 00:37:38,368 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-30 00:37:38,368 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-30 00:37:38,369 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-30 00:37:38,369 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-30 00:37:38,369 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-30 00:37:38,369 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-30 00:37:38,369 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-30 00:37:38,369 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,369 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,369 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,369 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-30 00:37:38,369 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-30 00:37:38,370 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-30 00:37:38,370 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-30 00:37:38,370 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-30 00:37:38,370 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,370 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,370 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,370 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-30 00:37:38,370 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-30 00:37:38,370 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-30 00:37:38,370 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-30 00:37:38,371 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-30 00:37:38,372 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-30 00:37:38,372 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-30 00:37:38,372 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-30 00:37:38,372 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-30 00:37:38,372 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-30 00:37:38,372 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,372 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,372 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,372 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-30 00:37:38,372 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-30 00:37:38,373 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-30 00:37:38,374 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-30 00:37:38,374 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-30 00:37:38,374 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,374 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,374 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,374 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-30 00:37:38,374 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-30 00:37:38,374 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-30 00:37:38,374 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-30 00:37:38,374 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-30 00:37:38,375 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-30 00:37:38,375 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-30 00:37:38,375 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-30 00:37:38,383 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,383 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,383 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,383 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-30 00:37:38,383 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:37:38,383 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-30 00:37:38,383 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-30 00:37:38,384 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-30 00:37:38,384 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-30 00:37:38,384 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-30 00:37:38,384 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-30 00:37:38,384 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-30 00:37:38,384 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,384 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,385 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,385 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-30 00:37:38,385 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-30 00:37:38,385 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-30 00:37:38,385 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-30 00:37:38,385 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-30 00:37:38,385 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-30 00:37:38,385 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-30 00:37:38,386 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-30 00:37:38,386 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-30 00:37:38,386 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,386 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,386 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,386 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-30 00:37:38,386 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-30 00:37:38,387 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-30 00:37:38,387 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-30 00:37:38,387 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-30 00:37:38,387 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-30 00:37:38,387 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:37:38,387 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:37:38,387 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,388 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,388 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,388 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-30 00:37:38,388 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-30 00:37:38,388 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-30 00:37:38,388 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-30 00:37:38,388 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-30 00:37:38,389 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-30 00:37:38,389 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-30 00:37:38,389 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-30 00:37:38,389 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,389 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,389 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,390 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-30 00:37:38,390 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-30 00:37:38,390 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-30 00:37:38,390 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-30 00:37:38,390 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-30 00:37:38,392 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,392 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,392 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,393 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-30 00:37:38,393 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-30 00:37:38,393 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-30 00:37:38,394 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-30 00:37:38,394 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-30 00:37:38,394 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-30 00:37:38,394 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-30 00:37:38,394 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-30 00:37:38,394 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-30 00:37:38,394 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-30 00:37:38,394 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-30 00:37:38,395 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,395 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,395 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-30 00:37:38,395 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-30 00:37:38,395 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-30 00:37:38,395 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-30 00:37:38,395 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-30 00:37:38,395 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-30 00:37:38,396 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-30 00:37:38,396 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-30 00:37:38,396 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-30 00:37:38,396 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:37:38,396 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and (<= ~a28~0 9) .cse0) (and (<= 8 ~a17~0) .cse0) (and (= ~a25~0 0) .cse0))) [2020-11-30 00:37:38,397 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,397 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,397 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-30 00:37:38,397 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-30 00:37:38,397 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-30 00:37:38,397 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-30 00:37:38,397 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-30 00:37:38,397 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-30 00:37:38,398 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-30 00:37:38,398 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,398 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,398 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-30 00:37:38,398 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-30 00:37:38,398 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-30 00:37:38,398 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-30 00:37:38,398 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-30 00:37:38,399 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-30 00:37:38,399 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-30 00:37:38,399 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-30 00:37:38,399 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-30 00:37:38,399 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,399 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,399 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-30 00:37:38,399 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-30 00:37:38,400 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-30 00:37:38,400 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-30 00:37:38,400 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:37:38,400 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-30 00:37:38,400 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-30 00:37:38,400 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (and (<= ~a28~0 9) .cse0) (and (<= 8 ~a17~0) .cse0) (and (= ~a25~0 0) .cse0))) [2020-11-30 00:37:38,400 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,401 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,401 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-30 00:37:38,401 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-30 00:37:38,401 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-30 00:37:38,401 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-30 00:37:38,401 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-30 00:37:38,401 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,401 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,402 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-30 00:37:38,402 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-30 00:37:38,402 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-30 00:37:38,402 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-30 00:37:38,402 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-30 00:37:38,402 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-30 00:37:38,402 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-30 00:37:38,402 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-30 00:37:38,403 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-30 00:37:38,403 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,403 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,403 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-30 00:37:38,403 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,403 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:37:38,403 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-30 00:37:38,403 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-30 00:37:38,404 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-30 00:37:38,404 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-30 00:37:38,404 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-30 00:37:38,404 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-30 00:37:38,404 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,404 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,404 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,404 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-30 00:37:38,405 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-30 00:37:38,405 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-30 00:37:38,405 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-30 00:37:38,405 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-30 00:37:38,405 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,405 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,405 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-30 00:37:38,405 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-30 00:37:38,406 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-30 00:37:38,406 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-30 00:37:38,406 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-30 00:37:38,406 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-30 00:37:38,406 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-30 00:37:38,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:37:38 BoogieIcfgContainer [2020-11-30 00:37:38,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:37:38,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:37:38,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:37:38,427 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:37:38,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:37:26" (3/4) ... [2020-11-30 00:37:38,430 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:37:38,462 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:37:38,463 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:37:38,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:37:38,466 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:37:38,670 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_437f85eb-2f9e-40b2-aa2b-93d9d3fea074/bin/uautomizer/witness.graphml [2020-11-30 00:37:38,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:37:38,672 INFO L168 Benchmark]: Toolchain (without parser) took 15196.84 ms. Allocated memory was 83.9 MB in the beginning and 264.2 MB in the end (delta: 180.4 MB). Free memory was 51.2 MB in the beginning and 186.1 MB in the end (delta: -134.9 MB). Peak memory consumption was 44.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,673 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 83.9 MB. Free memory was 43.3 MB in the beginning and 43.2 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:37:38,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.08 ms. Allocated memory is still 83.9 MB. Free memory was 51.0 MB in the beginning and 46.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.65 ms. Allocated memory is still 83.9 MB. Free memory was 46.6 MB in the beginning and 41.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,674 INFO L168 Benchmark]: Boogie Preprocessor took 77.95 ms. Allocated memory is still 83.9 MB. Free memory was 41.0 MB in the beginning and 36.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,675 INFO L168 Benchmark]: RCFGBuilder took 1844.46 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 36.8 MB in the beginning and 70.7 MB in the end (delta: -33.9 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,676 INFO L168 Benchmark]: TraceAbstraction took 12078.94 ms. Allocated memory was 107.0 MB in the beginning and 264.2 MB in the end (delta: 157.3 MB). Free memory was 70.2 MB in the beginning and 200.8 MB in the end (delta: -130.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,676 INFO L168 Benchmark]: Witness Printer took 243.76 ms. Allocated memory is still 264.2 MB. Free memory was 200.8 MB in the beginning and 186.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 83.9 MB. Free memory was 43.3 MB in the beginning and 43.2 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 777.08 ms. Allocated memory is still 83.9 MB. Free memory was 51.0 MB in the beginning and 46.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 164.65 ms. Allocated memory is still 83.9 MB. Free memory was 46.6 MB in the beginning and 41.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.95 ms. Allocated memory is still 83.9 MB. Free memory was 41.0 MB in the beginning and 36.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1844.46 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 36.8 MB in the beginning and 70.7 MB in the end (delta: -33.9 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12078.94 ms. Allocated memory was 107.0 MB in the beginning and 264.2 MB in the end (delta: 157.3 MB). Free memory was 70.2 MB in the beginning and 200.8 MB in the end (delta: -130.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * Witness Printer took 243.76 ms. Allocated memory is still 264.2 MB. Free memory was 200.8 MB in the beginning and 186.1 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((a28 <= 9 && a17 <= 8) || (8 <= a17 && a17 <= 8)) || (a25 == 0 && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((a28 <= 9 && a17 <= 8) || (8 <= a17 && a17 <= 8)) || (a25 == 0 && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.7s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 615 SDtfs, 1277 SDslu, 126 SDs, 0 SdLazy, 3172 SolverSat, 595 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 532 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1565occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 744 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 45 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1212 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1773 NumberOfCodeBlocks, 1773 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1762 ConstructedInterpolants, 0 QuantifiedInterpolants, 573838 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1007 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 515/529 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...