./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label11.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_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/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 6691501f936812008ae2aab4b0a1a1ac8b067e57 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:26:22,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:26:22,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:26:22,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:26:22,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:26:22,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:26:22,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:26:22,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:26:22,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:26:22,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:26:22,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:26:22,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:26:22,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:26:22,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:26:22,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:26:22,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:26:22,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:26:22,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:26:22,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:26:22,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:26:22,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:26:22,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:26:22,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:26:22,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:26:22,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:26:22,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:26:22,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:26:22,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:26:22,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:26:22,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:26:22,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:26:22,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:26:22,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:26:22,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:26:22,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:26:22,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:26:22,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:26:22,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:26:22,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:26:22,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:26:22,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:26:22,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:26:22,981 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:26:22,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:26:22,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:26:22,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:26:22,987 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:26:22,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:26:22,988 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:26:22,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:26:22,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:26:22,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:26:22,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:26:22,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:26:22,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:26:22,991 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:26:22,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:26:22,992 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:26:22,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:26:22,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:26:22,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:26:22,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:26:22,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:26:22,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:26:22,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:26:22,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:26:22,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:26:22,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:26:22,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:26:22,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:26:22,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:26:22,997 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_606a9112-8297-44f9-afe8-95cc9cb03be7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6691501f936812008ae2aab4b0a1a1ac8b067e57 [2020-11-29 20:26:23,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:26:23,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:26:23,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:26:23,428 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:26:23,429 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:26:23,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2020-11-29 20:26:23,550 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/data/ec95a3973/29edb11b066d4a2bb9c3ccc3b04bce6f/FLAGded8d85e8 [2020-11-29 20:26:24,277 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:26:24,278 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2020-11-29 20:26:24,312 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/data/ec95a3973/29edb11b066d4a2bb9c3ccc3b04bce6f/FLAGded8d85e8 [2020-11-29 20:26:24,487 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/data/ec95a3973/29edb11b066d4a2bb9c3ccc3b04bce6f [2020-11-29 20:26:24,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:26:24,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:26:24,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:26:24,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:26:24,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:26:24,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:26:24" (1/1) ... [2020-11-29 20:26:24,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8e2c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:24, skipping insertion in model container [2020-11-29 20:26:24,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:26:24" (1/1) ... [2020-11-29 20:26:24,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:26:24,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:26:25,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:26:25,167 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:26:25,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:26:25,363 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:26:25,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25 WrapperNode [2020-11-29 20:26:25,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:26:25,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:26:25,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:26:25,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:26:25,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (1/1) ... [2020-11-29 20:26:25,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (1/1) ... [2020-11-29 20:26:25,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:26:25,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:26:25,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:26:25,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:26:25,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (1/1) ... [2020-11-29 20:26:25,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (1/1) ... [2020-11-29 20:26:25,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (1/1) ... [2020-11-29 20:26:25,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (1/1) ... [2020-11-29 20:26:25,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (1/1) ... [2020-11-29 20:26:25,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (1/1) ... [2020-11-29 20:26:25,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (1/1) ... [2020-11-29 20:26:25,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:26:25,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:26:25,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:26:25,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:26:25,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/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 [2020-11-29 20:26:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:26:25,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:26:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:26:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:26:27,487 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:26:27,487 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 20:26:27,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:26:27 BoogieIcfgContainer [2020-11-29 20:26:27,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:26:27,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:26:27,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:26:27,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:26:27,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:26:24" (1/3) ... [2020-11-29 20:26:27,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432f9e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:26:27, skipping insertion in model container [2020-11-29 20:26:27,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:26:25" (2/3) ... [2020-11-29 20:26:27,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432f9e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:26:27, skipping insertion in model container [2020-11-29 20:26:27,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:26:27" (3/3) ... [2020-11-29 20:26:27,508 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-11-29 20:26:27,529 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:26:27,536 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 20:26:27,560 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 20:26:27,624 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:26:27,624 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:26:27,624 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:26:27,625 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:26:27,625 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:26:27,625 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:26:27,625 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:26:27,625 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:26:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-29 20:26:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-11-29 20:26:27,704 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:26:27,705 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] [2020-11-29 20:26:27,706 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:26:27,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:26:27,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1067563974, now seen corresponding path program 1 times [2020-11-29 20:26:27,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:26:27,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429133142] [2020-11-29 20:26:27,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:26:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:26:28,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429133142] [2020-11-29 20:26:28,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:26:28,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:26:28,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543311421] [2020-11-29 20:26:28,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:26:28,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:26:28,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:26:28,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:26:28,488 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-29 20:26:29,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:26:29,963 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-29 20:26:29,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:26:29,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-11-29 20:26:29,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:26:29,989 INFO L225 Difference]: With dead ends: 529 [2020-11-29 20:26:29,989 INFO L226 Difference]: Without dead ends: 266 [2020-11-29 20:26:30,002 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 [2020-11-29 20:26:30,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-29 20:26:30,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-29 20:26:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-29 20:26:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-11-29 20:26:30,099 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 109 [2020-11-29 20:26:30,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:26:30,101 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-11-29 20:26:30,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:26:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-11-29 20:26:30,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-29 20:26:30,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:26:30,106 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 20:26:30,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:26:30,107 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:26:30,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:26:30,108 INFO L82 PathProgramCache]: Analyzing trace with hash 149189585, now seen corresponding path program 1 times [2020-11-29 20:26:30,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:26:30,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26653653] [2020-11-29 20:26:30,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:26:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:30,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:26:30,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26653653] [2020-11-29 20:26:30,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:26:30,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:26:30,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049605928] [2020-11-29 20:26:30,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:26:30,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:26:30,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:26:30,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:26:30,223 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-11-29 20:26:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:26:31,120 INFO L93 Difference]: Finished difference Result 792 states and 1153 transitions. [2020-11-29 20:26:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:26:31,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-11-29 20:26:31,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:26:31,127 INFO L225 Difference]: With dead ends: 792 [2020-11-29 20:26:31,128 INFO L226 Difference]: Without dead ends: 528 [2020-11-29 20:26:31,131 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 [2020-11-29 20:26:31,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-29 20:26:31,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-11-29 20:26:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-29 20:26:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 727 transitions. [2020-11-29 20:26:31,205 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 727 transitions. Word has length 115 [2020-11-29 20:26:31,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:26:31,205 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 727 transitions. [2020-11-29 20:26:31,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:26:31,206 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 727 transitions. [2020-11-29 20:26:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-29 20:26:31,212 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:26:31,212 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-29 20:26:31,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:26:31,213 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:26:31,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:26:31,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1697454289, now seen corresponding path program 1 times [2020-11-29 20:26:31,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:26:31,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412729183] [2020-11-29 20:26:31,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:26:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:26:31,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412729183] [2020-11-29 20:26:31,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:26:31,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:26:31,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749565179] [2020-11-29 20:26:31,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:26:31,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:26:31,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:26:31,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:26:31,674 INFO L87 Difference]: Start difference. First operand 528 states and 727 transitions. Second operand 4 states. [2020-11-29 20:26:32,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:26:32,787 INFO L93 Difference]: Finished difference Result 1411 states and 1930 transitions. [2020-11-29 20:26:32,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:26:32,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2020-11-29 20:26:32,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:26:32,796 INFO L225 Difference]: With dead ends: 1411 [2020-11-29 20:26:32,797 INFO L226 Difference]: Without dead ends: 790 [2020-11-29 20:26:32,799 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:26:32,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-11-29 20:26:32,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2020-11-29 20:26:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-11-29 20:26:32,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 948 transitions. [2020-11-29 20:26:32,847 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 948 transitions. Word has length 116 [2020-11-29 20:26:32,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:26:32,847 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 948 transitions. [2020-11-29 20:26:32,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:26:32,848 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 948 transitions. [2020-11-29 20:26:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-29 20:26:32,853 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:26:32,854 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-11-29 20:26:32,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:26:32,855 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:26:32,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:26:32,856 INFO L82 PathProgramCache]: Analyzing trace with hash -631154212, now seen corresponding path program 1 times [2020-11-29 20:26:32,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:26:32,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137274758] [2020-11-29 20:26:32,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:26:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:26:32,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137274758] [2020-11-29 20:26:32,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764993710] [2020-11-29 20:26:32,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/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 [2020-11-29 20:26:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:33,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:26:33,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:26:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 20:26:33,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:26:33,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 20:26:33,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664307641] [2020-11-29 20:26:33,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:26:33,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:26:33,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:26:33,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:26:33,388 INFO L87 Difference]: Start difference. First operand 790 states and 948 transitions. Second operand 3 states. [2020-11-29 20:26:34,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:26:34,420 INFO L93 Difference]: Finished difference Result 2102 states and 2570 transitions. [2020-11-29 20:26:34,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:26:34,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-29 20:26:34,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:26:34,432 INFO L225 Difference]: With dead ends: 2102 [2020-11-29 20:26:34,432 INFO L226 Difference]: Without dead ends: 1314 [2020-11-29 20:26:34,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:26:34,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-29 20:26:34,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2020-11-29 20:26:34,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-11-29 20:26:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1415 transitions. [2020-11-29 20:26:34,529 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1415 transitions. Word has length 121 [2020-11-29 20:26:34,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:26:34,531 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1415 transitions. [2020-11-29 20:26:34,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:26:34,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1415 transitions. [2020-11-29 20:26:34,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-29 20:26:34,538 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:26:34,538 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 20:26:34,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:26:34,766 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:26:34,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:26:34,767 INFO L82 PathProgramCache]: Analyzing trace with hash -312061004, now seen corresponding path program 1 times [2020-11-29 20:26:34,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:26:34,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196962953] [2020-11-29 20:26:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:26:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 20:26:34,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196962953] [2020-11-29 20:26:34,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:26:34,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:26:34,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777417152] [2020-11-29 20:26:34,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:26:34,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:26:34,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:26:34,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:26:34,926 INFO L87 Difference]: Start difference. First operand 1183 states and 1415 transitions. Second operand 4 states. [2020-11-29 20:26:36,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:26:36,243 INFO L93 Difference]: Finished difference Result 3281 states and 3995 transitions. [2020-11-29 20:26:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:26:36,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2020-11-29 20:26:36,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:26:36,257 INFO L225 Difference]: With dead ends: 3281 [2020-11-29 20:26:36,258 INFO L226 Difference]: Without dead ends: 2100 [2020-11-29 20:26:36,262 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:26:36,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-11-29 20:26:36,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1707. [2020-11-29 20:26:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-11-29 20:26:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2032 transitions. [2020-11-29 20:26:36,340 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2032 transitions. Word has length 138 [2020-11-29 20:26:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:26:36,342 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 2032 transitions. [2020-11-29 20:26:36,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:26:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2032 transitions. [2020-11-29 20:26:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-29 20:26:36,349 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:26:36,349 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-11-29 20:26:36,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:26:36,350 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:26:36,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:26:36,351 INFO L82 PathProgramCache]: Analyzing trace with hash 2131296848, now seen corresponding path program 1 times [2020-11-29 20:26:36,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:26:36,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499149368] [2020-11-29 20:26:36,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:26:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 20:26:36,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499149368] [2020-11-29 20:26:36,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:26:36,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:26:36,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327947607] [2020-11-29 20:26:36,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:26:36,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:26:36,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:26:36,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:26:36,460 INFO L87 Difference]: Start difference. First operand 1707 states and 2032 transitions. Second operand 3 states. [2020-11-29 20:26:37,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:26:37,314 INFO L93 Difference]: Finished difference Result 4329 states and 5114 transitions. [2020-11-29 20:26:37,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:26:37,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-11-29 20:26:37,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:26:37,333 INFO L225 Difference]: With dead ends: 4329 [2020-11-29 20:26:37,334 INFO L226 Difference]: Without dead ends: 2624 [2020-11-29 20:26:37,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:26:37,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-11-29 20:26:37,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2231. [2020-11-29 20:26:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-11-29 20:26:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2637 transitions. [2020-11-29 20:26:37,418 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2637 transitions. Word has length 147 [2020-11-29 20:26:37,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:26:37,418 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2637 transitions. [2020-11-29 20:26:37,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:26:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2637 transitions. [2020-11-29 20:26:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-29 20:26:37,426 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:26:37,427 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2020-11-29 20:26:37,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 20:26:37,436 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:26:37,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:26:37,438 INFO L82 PathProgramCache]: Analyzing trace with hash 973670721, now seen corresponding path program 1 times [2020-11-29 20:26:37,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:26:37,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942667163] [2020-11-29 20:26:37,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:26:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 20:26:37,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942667163] [2020-11-29 20:26:37,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112584190] [2020-11-29 20:26:37,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/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 [2020-11-29 20:26:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:37,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:26:37,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:26:37,865 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 20:26:37,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:26:37,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 20:26:37,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097408209] [2020-11-29 20:26:37,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:26:37,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:26:37,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:26:37,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:26:37,870 INFO L87 Difference]: Start difference. First operand 2231 states and 2637 transitions. Second operand 3 states. [2020-11-29 20:26:38,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:26:38,705 INFO L93 Difference]: Finished difference Result 5246 states and 6212 transitions. [2020-11-29 20:26:38,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:26:38,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-11-29 20:26:38,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:26:38,726 INFO L225 Difference]: With dead ends: 5246 [2020-11-29 20:26:38,726 INFO L226 Difference]: Without dead ends: 2886 [2020-11-29 20:26:38,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:26:38,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-11-29 20:26:38,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2231. [2020-11-29 20:26:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-11-29 20:26:38,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2581 transitions. [2020-11-29 20:26:38,806 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2581 transitions. Word has length 153 [2020-11-29 20:26:38,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:26:38,806 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2581 transitions. [2020-11-29 20:26:38,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:26:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2581 transitions. [2020-11-29 20:26:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-29 20:26:38,814 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:26:38,815 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:26:39,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:26:39,042 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:26:39,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:26:39,042 INFO L82 PathProgramCache]: Analyzing trace with hash 838417912, now seen corresponding path program 1 times [2020-11-29 20:26:39,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:26:39,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606814313] [2020-11-29 20:26:39,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:26:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-29 20:26:39,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606814313] [2020-11-29 20:26:39,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520986737] [2020-11-29 20:26:39,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/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 [2020-11-29 20:26:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:39,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:26:39,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:26:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-29 20:26:39,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:26:39,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 20:26:39,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634653005] [2020-11-29 20:26:39,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:26:39,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:26:39,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:26:39,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:26:39,448 INFO L87 Difference]: Start difference. First operand 2231 states and 2581 transitions. Second operand 3 states. [2020-11-29 20:26:40,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:26:40,245 INFO L93 Difference]: Finished difference Result 4722 states and 5449 transitions. [2020-11-29 20:26:40,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:26:40,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-11-29 20:26:40,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:26:40,263 INFO L225 Difference]: With dead ends: 4722 [2020-11-29 20:26:40,263 INFO L226 Difference]: Without dead ends: 2493 [2020-11-29 20:26:40,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:26:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2020-11-29 20:26:40,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2362. [2020-11-29 20:26:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-11-29 20:26:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2657 transitions. [2020-11-29 20:26:40,334 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2657 transitions. Word has length 160 [2020-11-29 20:26:40,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:26:40,334 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2657 transitions. [2020-11-29 20:26:40,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:26:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2657 transitions. [2020-11-29 20:26:40,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-29 20:26:40,343 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:26:40,344 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:26:40,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:26:40,558 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:26:40,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:26:40,559 INFO L82 PathProgramCache]: Analyzing trace with hash -981121869, now seen corresponding path program 1 times [2020-11-29 20:26:40,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:26:40,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132721994] [2020-11-29 20:26:40,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:26:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:40,747 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-11-29 20:26:40,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132721994] [2020-11-29 20:26:40,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931420683] [2020-11-29 20:26:40,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:26:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:40,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:26:40,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:26:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 20:26:41,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:26:41,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 20:26:41,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473332802] [2020-11-29 20:26:41,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:26:41,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:26:41,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:26:41,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:26:41,023 INFO L87 Difference]: Start difference. First operand 2362 states and 2657 transitions. Second operand 3 states. [2020-11-29 20:26:41,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:26:41,727 INFO L93 Difference]: Finished difference Result 5639 states and 6366 transitions. [2020-11-29 20:26:41,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:26:41,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2020-11-29 20:26:41,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:26:41,751 INFO L225 Difference]: With dead ends: 5639 [2020-11-29 20:26:41,751 INFO L226 Difference]: Without dead ends: 3148 [2020-11-29 20:26:41,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:26:41,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-11-29 20:26:41,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2362. [2020-11-29 20:26:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-11-29 20:26:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2654 transitions. [2020-11-29 20:26:41,833 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2654 transitions. Word has length 217 [2020-11-29 20:26:41,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:26:41,833 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2654 transitions. [2020-11-29 20:26:41,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:26:41,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2654 transitions. [2020-11-29 20:26:41,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-11-29 20:26:41,846 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:26:41,847 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:26:42,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:26:42,066 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:26:42,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:26:42,066 INFO L82 PathProgramCache]: Analyzing trace with hash 2105019540, now seen corresponding path program 1 times [2020-11-29 20:26:42,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:26:42,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731869267] [2020-11-29 20:26:42,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:26:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-11-29 20:26:42,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731869267] [2020-11-29 20:26:42,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730580135] [2020-11-29 20:26:42,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:26:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:26:42,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:26:42,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:26:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-29 20:26:42,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:26:42,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 20:26:42,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487220404] [2020-11-29 20:26:42,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:26:42,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:26:42,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:26:42,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:26:42,508 INFO L87 Difference]: Start difference. First operand 2362 states and 2654 transitions. Second operand 3 states. [2020-11-29 20:26:43,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:26:43,094 INFO L93 Difference]: Finished difference Result 4589 states and 5171 transitions. [2020-11-29 20:26:43,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:26:43,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-11-29 20:26:43,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:26:43,095 INFO L225 Difference]: With dead ends: 4589 [2020-11-29 20:26:43,095 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:26:43,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:26:43,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:26:43,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:26:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:26:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:26:43,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2020-11-29 20:26:43,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:26:43,103 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:26:43,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:26:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:26:43,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:26:43,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 20:26:43,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:26:43,585 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2020-11-29 20:26:43,783 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 23 [2020-11-29 20:26:43,789 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-29 20:26:43,789 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-29 20:26:43,789 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-29 20:26:43,789 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-29 20:26:43,789 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-29 20:26:43,790 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-29 20:26:43,790 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-29 20:26:43,790 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-29 20:26:43,790 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,790 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,790 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,790 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,790 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-29 20:26:43,791 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,791 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,791 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-29 20:26:43,791 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-29 20:26:43,791 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-29 20:26:43,791 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-29 20:26:43,791 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-29 20:26:43,791 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-29 20:26:43,792 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-29 20:26:43,792 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-29 20:26:43,792 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-29 20:26:43,792 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-29 20:26:43,792 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-29 20:26:43,792 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-29 20:26:43,792 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,792 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,792 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,793 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,793 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,793 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-29 20:26:43,793 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,793 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-29 20:26:43,793 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-29 20:26:43,793 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-29 20:26:43,796 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-29 20:26:43,796 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-29 20:26:43,797 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-29 20:26:43,797 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-29 20:26:43,798 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-29 20:26:43,798 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-29 20:26:43,798 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-29 20:26:43,800 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-29 20:26:43,800 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-29 20:26:43,800 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-29 20:26:43,800 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-29 20:26:43,800 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,801 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,801 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,801 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,801 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,801 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,802 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-29 20:26:43,802 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-29 20:26:43,802 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-29 20:26:43,802 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-29 20:26:43,802 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-29 20:26:43,802 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-29 20:26:43,803 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-29 20:26:43,803 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-29 20:26:43,803 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-29 20:26:43,803 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-29 20:26:43,803 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 20:26:43,803 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-29 20:26:43,804 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-29 20:26:43,804 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,804 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,804 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,804 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,804 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,805 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,805 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-29 20:26:43,805 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-29 20:26:43,805 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-29 20:26:43,805 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-29 20:26:43,805 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-29 20:26:43,806 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-29 20:26:43,806 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-29 20:26:43,806 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-29 20:26:43,806 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-29 20:26:43,806 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-29 20:26:43,806 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,807 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,807 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,807 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,807 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,807 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,807 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-29 20:26:43,808 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-29 20:26:43,809 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-29 20:26:43,809 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-29 20:26:43,809 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-29 20:26:43,809 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-29 20:26:43,809 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-29 20:26:43,809 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-29 20:26:43,810 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-29 20:26:43,810 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-29 20:26:43,810 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-29 20:26:43,810 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-29 20:26:43,810 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-29 20:26:43,810 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-29 20:26:43,812 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-29 20:26:43,814 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,815 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,815 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,815 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,815 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,815 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:26:43,815 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-29 20:26:43,816 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-29 20:26:43,816 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-29 20:26:43,816 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-29 20:26:43,816 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-29 20:26:43,816 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-29 20:26:43,816 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-29 20:26:43,817 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-29 20:26:43,817 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-29 20:26:43,819 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a20~0 1)) (.cse3 (<= ~a16~0 5)) (.cse2 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and (<= ~a7~0 0) .cse0) (and .cse3 (<= ~a8~0 13)) (and .cse0 (<= 5 ~a16~0)) (and .cse3 .cse2))) [2020-11-29 20:26:43,820 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,820 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,820 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,820 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,820 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,821 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-29 20:26:43,821 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-29 20:26:43,821 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-29 20:26:43,821 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-29 20:26:43,821 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-29 20:26:43,822 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-29 20:26:43,822 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-29 20:26:43,822 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-29 20:26:43,822 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-29 20:26:43,822 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-29 20:26:43,822 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-29 20:26:43,823 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-29 20:26:43,823 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:26:43,823 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-29 20:26:43,823 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-29 20:26:43,823 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,823 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,824 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,824 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,824 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,824 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-29 20:26:43,824 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-29 20:26:43,824 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-29 20:26:43,825 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-29 20:26:43,825 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-29 20:26:43,825 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-29 20:26:43,825 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-29 20:26:43,825 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-29 20:26:43,826 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-29 20:26:43,826 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:26:43,826 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,827 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,827 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,827 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,827 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-29 20:26:43,828 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,828 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-29 20:26:43,828 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-29 20:26:43,828 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-29 20:26:43,828 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-29 20:26:43,828 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-29 20:26:43,829 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-29 20:26:43,829 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-29 20:26:43,829 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-29 20:26:43,829 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-29 20:26:43,829 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-29 20:26:43,830 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-29 20:26:43,830 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-29 20:26:43,830 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-29 20:26:43,830 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,830 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (<= 15 ~a8~0)) (.cse0 (= ~a20~0 1)) (.cse3 (<= ~a16~0 5)) (.cse2 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and (<= ~a7~0 0) .cse0) (and .cse3 (<= ~a8~0 13)) (and .cse0 (<= 5 ~a16~0)) (and .cse3 .cse2))) [2020-11-29 20:26:43,831 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,831 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,831 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,831 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,831 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-29 20:26:43,831 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:26:43,832 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 20:26:43,832 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-29 20:26:43,832 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-29 20:26:43,832 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-29 20:26:43,832 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-29 20:26:43,833 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-29 20:26:43,833 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-29 20:26:43,833 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-29 20:26:43,833 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,833 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,833 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,834 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,834 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 20:26:43,834 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-29 20:26:43,834 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-29 20:26:43,834 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-29 20:26:43,834 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-29 20:26:43,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:26:43 BoogieIcfgContainer [2020-11-29 20:26:43,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:26:43,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:26:43,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:26:43,863 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:26:43,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:26:27" (3/4) ... [2020-11-29 20:26:43,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:26:43,893 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 20:26:43,895 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 20:26:43,897 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:26:43,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:26:44,144 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_606a9112-8297-44f9-afe8-95cc9cb03be7/bin/uautomizer/witness.graphml [2020-11-29 20:26:44,144 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:26:44,147 INFO L168 Benchmark]: Toolchain (without parser) took 19653.21 ms. Allocated memory was 86.0 MB in the beginning and 421.5 MB in the end (delta: 335.5 MB). Free memory was 49.3 MB in the beginning and 348.6 MB in the end (delta: -299.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:44,147 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:26:44,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 869.88 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 49.1 MB in the beginning and 70.8 MB in the end (delta: -21.8 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:44,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.37 ms. Allocated memory is still 113.2 MB. Free memory was 70.4 MB in the beginning and 64.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:44,149 INFO L168 Benchmark]: Boogie Preprocessor took 81.81 ms. Allocated memory is still 113.2 MB. Free memory was 64.9 MB in the beginning and 60.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:44,150 INFO L168 Benchmark]: RCFGBuilder took 1931.79 ms. Allocated memory is still 113.2 MB. Free memory was 60.3 MB in the beginning and 41.3 MB in the end (delta: 19.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:44,150 INFO L168 Benchmark]: TraceAbstraction took 16365.05 ms. Allocated memory was 113.2 MB in the beginning and 421.5 MB in the end (delta: 308.3 MB). Free memory was 41.3 MB in the beginning and 363.3 MB in the end (delta: -322.0 MB). Peak memory consumption was 133.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:44,151 INFO L168 Benchmark]: Witness Printer took 282.12 ms. Allocated memory is still 421.5 MB. Free memory was 363.3 MB in the beginning and 348.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:44,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 86.0 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 869.88 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 49.1 MB in the beginning and 70.8 MB in the end (delta: -21.8 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.37 ms. Allocated memory is still 113.2 MB. Free memory was 70.4 MB in the beginning and 64.9 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.81 ms. Allocated memory is still 113.2 MB. Free memory was 64.9 MB in the beginning and 60.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1931.79 ms. Allocated memory is still 113.2 MB. Free memory was 60.3 MB in the beginning and 41.3 MB in the end (delta: 19.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16365.05 ms. Allocated memory was 113.2 MB in the beginning and 421.5 MB in the end (delta: 308.3 MB). Free memory was 41.3 MB in the beginning and 363.3 MB in the end (delta: -322.0 MB). Peak memory consumption was 133.0 MB. Max. memory is 16.1 GB. * Witness Printer took 282.12 ms. Allocated memory is still 421.5 MB. Free memory was 363.3 MB in the beginning and 348.6 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: 40]: Loop Invariant Derived loop invariant: (((((a20 == 1 && 15 <= a8) || (15 <= a8 && a20 <= 0)) || (a7 <= 0 && a20 == 1)) || (a16 <= 5 && a8 <= 13)) || (a20 == 1 && 5 <= a16)) || (a16 <= 5 && a20 <= 0) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((a20 == 1 && 15 <= a8) || (15 <= a8 && a20 <= 0)) || (a7 <= 0 && a20 == 1)) || (a16 <= 5 && a8 <= 13)) || (a20 == 1 && 5 <= a16)) || (a16 <= 5 && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 727 SDtfs, 1120 SDslu, 61 SDs, 0 SdLazy, 3568 SolverSat, 583 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 903 GetRequests, 881 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2362occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 2489 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 47 NumberOfFragments, 87 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1504 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 316 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2385 NumberOfCodeBlocks, 2385 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2370 ConstructedInterpolants, 0 QuantifiedInterpolants, 978087 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1897 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1402/1417 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...