./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label18.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_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label18.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/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 452c1d32baba8964bd2d48cf930cbca4ba96f1cc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:07:23,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:07:23,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:07:23,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:07:23,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:07:23,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:07:23,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:07:23,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:07:23,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:07:23,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:07:23,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:07:23,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:07:23,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:07:23,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:07:23,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:07:23,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:07:23,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:07:23,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:07:23,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:07:23,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:07:23,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:07:23,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:07:23,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:07:23,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:07:23,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:07:23,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:07:23,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:07:23,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:07:23,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:07:23,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:07:23,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:07:23,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:07:23,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:07:23,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:07:23,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:07:23,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:07:23,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:07:23,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:07:23,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:07:23,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:07:23,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:07:23,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:07:23,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:07:23,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:07:23,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:07:23,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:07:23,631 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:07:23,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:07:23,632 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:07:23,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:07:23,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:07:23,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:07:23,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:07:23,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:07:23,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:07:23,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:07:23,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:07:23,636 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:07:23,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:07:23,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:07:23,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:07:23,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:07:23,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:07:23,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:07:23,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:07:23,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:07:23,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:07:23,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:07:23,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:07:23,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:07:23,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:07:23,641 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_9c06b99f-3e34-4798-a110-7de5d35685c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 452c1d32baba8964bd2d48cf930cbca4ba96f1cc [2020-11-30 00:07:24,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:07:24,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:07:24,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:07:24,090 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:07:24,091 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:07:24,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label18.c [2020-11-30 00:07:24,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/data/781ba00a1/c76a8fd41527433aa2ff70f00e9df231/FLAGbfae538f4 [2020-11-30 00:07:25,011 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:07:25,012 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/sv-benchmarks/c/eca-rers2012/Problem01_label18.c [2020-11-30 00:07:25,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/data/781ba00a1/c76a8fd41527433aa2ff70f00e9df231/FLAGbfae538f4 [2020-11-30 00:07:25,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/data/781ba00a1/c76a8fd41527433aa2ff70f00e9df231 [2020-11-30 00:07:25,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:07:25,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:07:25,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:07:25,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:07:25,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:07:25,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:07:25" (1/1) ... [2020-11-30 00:07:25,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb587a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:25, skipping insertion in model container [2020-11-30 00:07:25,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:07:25" (1/1) ... [2020-11-30 00:07:25,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:07:25,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:07:25,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:07:25,873 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:07:26,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:07:26,034 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:07:26,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26 WrapperNode [2020-11-30 00:07:26,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:07:26,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:07:26,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:07:26,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:07:26,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (1/1) ... [2020-11-30 00:07:26,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (1/1) ... [2020-11-30 00:07:26,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:07:26,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:07:26,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:07:26,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:07:26,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (1/1) ... [2020-11-30 00:07:26,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (1/1) ... [2020-11-30 00:07:26,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (1/1) ... [2020-11-30 00:07:26,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (1/1) ... [2020-11-30 00:07:26,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (1/1) ... [2020-11-30 00:07:26,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (1/1) ... [2020-11-30 00:07:26,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (1/1) ... [2020-11-30 00:07:26,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:07:26,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:07:26,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:07:26,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:07:26,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:07:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:07:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:07:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:07:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:07:28,057 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:07:28,057 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:07:28,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:07:28 BoogieIcfgContainer [2020-11-30 00:07:28,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:07:28,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:07:28,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:07:28,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:07:28,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:07:25" (1/3) ... [2020-11-30 00:07:28,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691203e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:07:28, skipping insertion in model container [2020-11-30 00:07:28,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:07:26" (2/3) ... [2020-11-30 00:07:28,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691203e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:07:28, skipping insertion in model container [2020-11-30 00:07:28,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:07:28" (3/3) ... [2020-11-30 00:07:28,077 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label18.c [2020-11-30 00:07:28,092 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:07:28,098 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:07:28,114 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:07:28,191 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:07:28,192 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:07:28,192 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:07:28,192 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:07:28,192 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:07:28,193 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:07:28,193 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:07:28,193 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:07:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-30 00:07:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-30 00:07:28,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:28,241 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] [2020-11-30 00:07:28,242 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:28,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:28,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1128398527, now seen corresponding path program 1 times [2020-11-30 00:07:28,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:28,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845889828] [2020-11-30 00:07:28,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:29,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845889828] [2020-11-30 00:07:29,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:29,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:07:29,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071991133] [2020-11-30 00:07:29,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:07:29,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:29,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:07:29,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:07:29,218 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2020-11-30 00:07:31,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:31,340 INFO L93 Difference]: Finished difference Result 663 states and 1179 transitions. [2020-11-30 00:07:31,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:07:31,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2020-11-30 00:07:31,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:31,382 INFO L225 Difference]: With dead ends: 663 [2020-11-30 00:07:31,382 INFO L226 Difference]: Without dead ends: 397 [2020-11-30 00:07:31,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:07:31,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-11-30 00:07:31,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-11-30 00:07:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-11-30 00:07:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2020-11-30 00:07:31,511 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 100 [2020-11-30 00:07:31,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:31,512 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2020-11-30 00:07:31,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:07:31,513 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2020-11-30 00:07:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-30 00:07:31,521 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:31,521 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] [2020-11-30 00:07:31,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:07:31,522 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:31,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:31,523 INFO L82 PathProgramCache]: Analyzing trace with hash 153532756, now seen corresponding path program 1 times [2020-11-30 00:07:31,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:31,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249771097] [2020-11-30 00:07:31,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:31,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249771097] [2020-11-30 00:07:31,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:31,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:07:31,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460790209] [2020-11-30 00:07:31,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:07:31,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:31,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:07:31,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:07:31,976 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand 4 states. [2020-11-30 00:07:33,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:33,229 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2020-11-30 00:07:33,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:07:33,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2020-11-30 00:07:33,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:33,240 INFO L225 Difference]: With dead ends: 887 [2020-11-30 00:07:33,240 INFO L226 Difference]: Without dead ends: 528 [2020-11-30 00:07:33,243 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 [2020-11-30 00:07:33,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-30 00:07:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2020-11-30 00:07:33,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-11-30 00:07:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2020-11-30 00:07:33,302 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 107 [2020-11-30 00:07:33,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:33,303 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2020-11-30 00:07:33,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:07:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2020-11-30 00:07:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-30 00:07:33,319 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:33,320 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:07:33,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:07:33,321 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:33,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:33,322 INFO L82 PathProgramCache]: Analyzing trace with hash 162153936, now seen corresponding path program 1 times [2020-11-30 00:07:33,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:33,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646575020] [2020-11-30 00:07:33,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:33,475 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:07:33,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646575020] [2020-11-30 00:07:33,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:33,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:07:33,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609585293] [2020-11-30 00:07:33,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:07:33,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:33,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:07:33,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:07:33,489 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand 4 states. [2020-11-30 00:07:34,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:34,517 INFO L93 Difference]: Finished difference Result 1054 states and 1283 transitions. [2020-11-30 00:07:34,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:07:34,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 115 [2020-11-30 00:07:34,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:34,522 INFO L225 Difference]: With dead ends: 1054 [2020-11-30 00:07:34,522 INFO L226 Difference]: Without dead ends: 659 [2020-11-30 00:07:34,524 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 [2020-11-30 00:07:34,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-11-30 00:07:34,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2020-11-30 00:07:34,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-30 00:07:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 785 transitions. [2020-11-30 00:07:34,576 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 785 transitions. Word has length 115 [2020-11-30 00:07:34,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:34,577 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 785 transitions. [2020-11-30 00:07:34,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:07:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 785 transitions. [2020-11-30 00:07:34,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-30 00:07:34,580 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:34,580 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:07:34,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:07:34,581 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:34,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:34,582 INFO L82 PathProgramCache]: Analyzing trace with hash -2146904396, now seen corresponding path program 1 times [2020-11-30 00:07:34,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:34,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246692504] [2020-11-30 00:07:34,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:07:34,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246692504] [2020-11-30 00:07:34,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:07:34,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:07:34,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52441590] [2020-11-30 00:07:34,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:07:34,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:34,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:07:34,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:07:34,707 INFO L87 Difference]: Start difference. First operand 659 states and 785 transitions. Second operand 3 states. [2020-11-30 00:07:35,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:35,490 INFO L93 Difference]: Finished difference Result 1840 states and 2182 transitions. [2020-11-30 00:07:35,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:07:35,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-11-30 00:07:35,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:35,503 INFO L225 Difference]: With dead ends: 1840 [2020-11-30 00:07:35,503 INFO L226 Difference]: Without dead ends: 1183 [2020-11-30 00:07:35,506 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 [2020-11-30 00:07:35,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-11-30 00:07:35,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2020-11-30 00:07:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-30 00:07:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1261 transitions. [2020-11-30 00:07:35,557 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1261 transitions. Word has length 124 [2020-11-30 00:07:35,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:35,557 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1261 transitions. [2020-11-30 00:07:35,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:07:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1261 transitions. [2020-11-30 00:07:35,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-30 00:07:35,561 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:35,562 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:07:35,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:07:35,562 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:35,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:35,563 INFO L82 PathProgramCache]: Analyzing trace with hash -2079880477, now seen corresponding path program 1 times [2020-11-30 00:07:35,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:35,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392483899] [2020-11-30 00:07:35,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:07:35,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392483899] [2020-11-30 00:07:35,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769739728] [2020-11-30 00:07:35,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:07:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:35,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:07:35,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:07:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:07:36,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:07:36,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:07:36,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745217118] [2020-11-30 00:07:36,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:07:36,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:36,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:07:36,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:07:36,121 INFO L87 Difference]: Start difference. First operand 1052 states and 1261 transitions. Second operand 3 states. [2020-11-30 00:07:37,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:37,014 INFO L93 Difference]: Finished difference Result 2495 states and 2989 transitions. [2020-11-30 00:07:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:07:37,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-11-30 00:07:37,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:37,025 INFO L225 Difference]: With dead ends: 2495 [2020-11-30 00:07:37,025 INFO L226 Difference]: Without dead ends: 1314 [2020-11-30 00:07:37,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:07:37,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-30 00:07:37,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052. [2020-11-30 00:07:37,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-30 00:07:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1201 transitions. [2020-11-30 00:07:37,079 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1201 transitions. Word has length 130 [2020-11-30 00:07:37,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:37,081 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1201 transitions. [2020-11-30 00:07:37,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:07:37,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1201 transitions. [2020-11-30 00:07:37,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-30 00:07:37,085 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:37,086 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-11-30 00:07:37,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:07:37,308 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:37,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:37,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1551737791, now seen corresponding path program 1 times [2020-11-30 00:07:37,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:37,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228748963] [2020-11-30 00:07:37,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:37,443 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 00:07:37,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228748963] [2020-11-30 00:07:37,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545015642] [2020-11-30 00:07:37,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:07:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:37,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:07:37,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:07:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 00:07:37,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:07:37,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:07:37,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342384056] [2020-11-30 00:07:37,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:07:37,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:37,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:07:37,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:07:37,751 INFO L87 Difference]: Start difference. First operand 1052 states and 1201 transitions. Second operand 3 states. [2020-11-30 00:07:38,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:38,767 INFO L93 Difference]: Finished difference Result 2495 states and 2866 transitions. [2020-11-30 00:07:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:07:38,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-11-30 00:07:38,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:38,781 INFO L225 Difference]: With dead ends: 2495 [2020-11-30 00:07:38,781 INFO L226 Difference]: Without dead ends: 1445 [2020-11-30 00:07:38,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:07:38,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-11-30 00:07:38,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1052. [2020-11-30 00:07:38,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-30 00:07:38,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1201 transitions. [2020-11-30 00:07:38,863 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1201 transitions. Word has length 146 [2020-11-30 00:07:38,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:38,864 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1201 transitions. [2020-11-30 00:07:38,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:07:38,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1201 transitions. [2020-11-30 00:07:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-30 00:07:38,869 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:07:38,869 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:07:39,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:07:39,092 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:07:39,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:07:39,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1830815521, now seen corresponding path program 1 times [2020-11-30 00:07:39,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:07:39,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544597462] [2020-11-30 00:07:39,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:07:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 00:07:39,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544597462] [2020-11-30 00:07:39,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732596618] [2020-11-30 00:07:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:07:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:07:39,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:07:39,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:07:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-30 00:07:39,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:07:39,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 00:07:39,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10616514] [2020-11-30 00:07:39,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:07:39,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:07:39,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:07:39,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:07:39,423 INFO L87 Difference]: Start difference. First operand 1052 states and 1201 transitions. Second operand 3 states. [2020-11-30 00:07:40,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:07:40,340 INFO L93 Difference]: Finished difference Result 2231 states and 2552 transitions. [2020-11-30 00:07:40,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:07:40,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-11-30 00:07:40,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:07:40,342 INFO L225 Difference]: With dead ends: 2231 [2020-11-30 00:07:40,342 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:07:40,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:07:40,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:07:40,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:07:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:07:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:07:40,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-11-30 00:07:40,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:07:40,347 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:07:40,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:07:40,348 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:07:40,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:07:40,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:07:40,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:07:40,802 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-11-30 00:07:40,950 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-11-30 00:07:40,953 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-30 00:07:40,954 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-30 00:07:40,954 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-30 00:07:40,954 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-30 00:07:40,954 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-30 00:07:40,954 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-30 00:07:40,954 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-30 00:07:40,954 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-30 00:07:40,954 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,955 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,955 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,955 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,955 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-30 00:07:40,955 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,955 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,955 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-30 00:07:40,955 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-30 00:07:40,955 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-30 00:07:40,956 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-30 00:07:40,956 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-30 00:07:40,956 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-30 00:07:40,956 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-30 00:07:40,956 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-30 00:07:40,956 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-30 00:07:40,956 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-30 00:07:40,956 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-30 00:07:40,956 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-30 00:07:40,956 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-30 00:07:40,957 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-30 00:07:40,958 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-30 00:07:40,958 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-30 00:07:40,958 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-30 00:07:40,958 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-30 00:07:40,958 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-30 00:07:40,958 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-30 00:07:40,958 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-30 00:07:40,958 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-30 00:07:40,958 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-30 00:07:40,958 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,959 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,959 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,959 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,959 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,959 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,959 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-30 00:07:40,959 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-30 00:07:40,959 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-30 00:07:40,965 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-30 00:07:40,965 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-30 00:07:40,966 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-30 00:07:40,966 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-30 00:07:40,966 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-30 00:07:40,966 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-30 00:07:40,966 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-30 00:07:40,966 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:07:40,967 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-30 00:07:40,967 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-30 00:07:40,967 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,967 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,967 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,967 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,968 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,968 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,968 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-30 00:07:40,968 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-30 00:07:40,968 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-30 00:07:40,971 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-30 00:07:40,972 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-30 00:07:40,972 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-30 00:07:40,972 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-30 00:07:40,972 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-30 00:07:40,972 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-30 00:07:40,973 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-30 00:07:40,973 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,973 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,973 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,973 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,973 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,974 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,974 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-30 00:07:40,974 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-30 00:07:40,974 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-30 00:07:40,974 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-30 00:07:40,974 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-30 00:07:40,974 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-30 00:07:40,975 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-30 00:07:40,975 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-30 00:07:40,975 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-30 00:07:40,975 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-30 00:07:40,975 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-30 00:07:40,975 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-30 00:07:40,975 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-30 00:07:40,976 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-30 00:07:40,976 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-30 00:07:40,976 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,976 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,976 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,976 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,977 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,977 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:07:40,977 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-30 00:07:40,977 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-30 00:07:40,977 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-30 00:07:40,977 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-30 00:07:40,978 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-30 00:07:40,978 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-30 00:07:40,978 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-30 00:07:40,978 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-30 00:07:40,979 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-30 00:07:40,980 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (not (= ~a7~0 1))) (.cse2 (<= 15 ~a8~0)) (.cse3 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and (= ~a21~0 1) (= ~a12~0 8) (= ~a20~0 1) .cse1 .cse3) (and (<= ~a16~0 5) .cse0) (and .cse1 .cse2 .cse3) (<= ~a8~0 13))) [2020-11-30 00:07:40,980 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,980 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,981 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,981 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,981 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,981 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-30 00:07:40,981 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-30 00:07:40,981 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-30 00:07:40,982 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-30 00:07:40,982 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-30 00:07:40,982 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-30 00:07:40,982 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-30 00:07:40,982 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-30 00:07:40,982 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-30 00:07:40,982 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-30 00:07:40,983 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-30 00:07:40,983 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-30 00:07:40,983 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:07:40,983 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-30 00:07:40,983 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-30 00:07:40,983 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,984 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,984 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,984 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,984 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,984 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-30 00:07:40,984 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-30 00:07:40,985 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-30 00:07:40,985 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-30 00:07:40,985 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-30 00:07:40,985 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-30 00:07:40,985 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-30 00:07:40,985 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-30 00:07:40,985 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-30 00:07:40,986 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:07:40,986 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,986 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,986 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,986 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,986 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-30 00:07:40,986 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,987 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-30 00:07:40,987 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-30 00:07:40,987 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-30 00:07:40,987 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-30 00:07:40,987 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-30 00:07:40,987 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-30 00:07:40,988 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-30 00:07:40,988 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-30 00:07:40,988 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-30 00:07:40,988 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-30 00:07:40,988 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-30 00:07:40,988 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-30 00:07:40,989 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-30 00:07:40,989 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,991 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (not (= ~a7~0 1))) (.cse2 (<= 15 ~a8~0)) (.cse3 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and (= ~a21~0 1) (= ~a12~0 8) (= ~a20~0 1) .cse1 .cse3) (and (<= ~a16~0 5) .cse0) (and .cse1 .cse2 .cse3) (<= ~a8~0 13))) [2020-11-30 00:07:40,991 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,991 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,991 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,992 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,992 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-30 00:07:40,992 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:07:40,992 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:07:40,992 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-30 00:07:40,992 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-30 00:07:40,993 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-30 00:07:40,993 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-30 00:07:40,993 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-30 00:07:40,993 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-30 00:07:40,993 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-30 00:07:40,993 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,994 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,994 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,994 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,994 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 00:07:40,994 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-30 00:07:40,994 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-30 00:07:40,994 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-30 00:07:40,995 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-30 00:07:41,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:07:41 BoogieIcfgContainer [2020-11-30 00:07:41,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:07:41,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:07:41,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:07:41,028 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:07:41,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:07:28" (3/4) ... [2020-11-30 00:07:41,034 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:07:41,077 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:07:41,079 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:07:41,080 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:07:41,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:07:41,316 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c06b99f-3e34-4798-a110-7de5d35685c6/bin/uautomizer/witness.graphml [2020-11-30 00:07:41,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:07:41,318 INFO L168 Benchmark]: Toolchain (without parser) took 16089.44 ms. Allocated memory was 90.2 MB in the beginning and 285.2 MB in the end (delta: 195.0 MB). Free memory was 59.7 MB in the beginning and 139.9 MB in the end (delta: -80.2 MB). Peak memory consumption was 113.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:41,319 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 90.2 MB. Free memory was 50.0 MB in the beginning and 50.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:07:41,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.53 ms. Allocated memory is still 90.2 MB. Free memory was 59.4 MB in the beginning and 50.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:41,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.85 ms. Allocated memory is still 90.2 MB. Free memory was 50.0 MB in the beginning and 44.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:41,321 INFO L168 Benchmark]: Boogie Preprocessor took 104.20 ms. Allocated memory is still 90.2 MB. Free memory was 44.1 MB in the beginning and 39.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:41,321 INFO L168 Benchmark]: RCFGBuilder took 1810.88 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 39.9 MB in the beginning and 35.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:41,322 INFO L168 Benchmark]: TraceAbstraction took 12959.98 ms. Allocated memory was 111.1 MB in the beginning and 285.2 MB in the end (delta: 174.1 MB). Free memory was 35.9 MB in the beginning and 155.6 MB in the end (delta: -119.7 MB). Peak memory consumption was 57.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:41,322 INFO L168 Benchmark]: Witness Printer took 289.99 ms. Allocated memory is still 285.2 MB. Free memory was 155.6 MB in the beginning and 139.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:07:41,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 90.2 MB. Free memory was 50.0 MB in the beginning and 50.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 799.53 ms. Allocated memory is still 90.2 MB. Free memory was 59.4 MB in the beginning and 50.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.85 ms. Allocated memory is still 90.2 MB. Free memory was 50.0 MB in the beginning and 44.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.20 ms. Allocated memory is still 90.2 MB. Free memory was 44.1 MB in the beginning and 39.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1810.88 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 39.9 MB in the beginning and 35.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12959.98 ms. Allocated memory was 111.1 MB in the beginning and 285.2 MB in the end (delta: 174.1 MB). Free memory was 35.9 MB in the beginning and 155.6 MB in the end (delta: -119.7 MB). Peak memory consumption was 57.2 MB. Max. memory is 16.1 GB. * Witness Printer took 289.99 ms. Allocated memory is still 285.2 MB. Free memory was 155.6 MB in the beginning and 139.9 MB in the end (delta: 15.7 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: (((((a17 <= 0 && !(a7 == 1)) && 15 <= a8) || ((((a21 == 1 && a12 == 8) && a20 == 1) && !(a7 == 1)) && a17 == 1)) || (a16 <= 5 && a17 <= 0)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || a8 <= 13 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((a17 <= 0 && !(a7 == 1)) && 15 <= a8) || ((((a21 == 1 && a12 == 8) && a20 == 1) && !(a7 == 1)) && a17 == 1)) || (a16 <= 5 && a17 <= 0)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || a8 <= 13 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.3s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 541 SDtfs, 1140 SDslu, 55 SDs, 0 SdLazy, 2872 SolverSat, 628 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 444 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1052occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 917 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 28 NumberOfFragments, 101 HoareAnnotationTreeSize, 3 FomulaSimplifications, 800 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1296 NumberOfCodeBlocks, 1296 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1286 ConstructedInterpolants, 0 QuantifiedInterpolants, 702644 SizeOfPredicates, 3 NumberOfNonLiveVariables, 975 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 464/473 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...