./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.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_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/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 542216decab4eb809f5dc567967fa4ce316925bd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:27:20,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:27:20,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:27:20,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:27:20,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:27:20,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:27:20,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:27:20,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:27:20,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:27:20,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:27:20,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:27:20,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:27:20,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:27:20,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:27:20,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:27:20,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:27:20,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:27:20,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:27:20,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:27:20,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:27:20,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:27:20,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:27:20,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:27:20,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:27:20,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:27:20,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:27:20,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:27:20,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:27:20,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:27:20,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:27:20,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:27:20,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:27:20,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:27:20,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:27:20,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:27:20,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:27:20,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:27:20,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:27:20,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:27:20,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:27:20,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:27:20,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:27:20,722 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:27:20,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:27:20,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:27:20,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:27:20,727 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:27:20,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:27:20,728 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:27:20,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:27:20,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:27:20,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:27:20,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:27:20,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:27:20,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:27:20,732 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:27:20,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:27:20,732 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:27:20,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:27:20,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:27:20,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:27:20,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:27:20,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:27:20,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:27:20,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:27:20,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:27:20,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:27:20,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:27:20,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:27:20,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:27:20,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:27:20,737 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_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 542216decab4eb809f5dc567967fa4ce316925bd [2020-11-30 01:27:21,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:27:21,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:27:21,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:27:21,173 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:27:21,175 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:27:21,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2020-11-30 01:27:21,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/data/fe6059a4d/a6a9ed45d55a4cd6b8b578c0ba529355/FLAGfaa049d61 [2020-11-30 01:27:22,209 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:27:22,211 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2020-11-30 01:27:22,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/data/fe6059a4d/a6a9ed45d55a4cd6b8b578c0ba529355/FLAGfaa049d61 [2020-11-30 01:27:22,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/data/fe6059a4d/a6a9ed45d55a4cd6b8b578c0ba529355 [2020-11-30 01:27:22,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:27:22,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:27:22,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:27:22,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:27:22,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:27:22,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:27:22" (1/1) ... [2020-11-30 01:27:22,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c5bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:22, skipping insertion in model container [2020-11-30 01:27:22,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:27:22" (1/1) ... [2020-11-30 01:27:22,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:27:22,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:27:22,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:27:22,983 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:27:23,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:27:23,169 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:27:23,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23 WrapperNode [2020-11-30 01:27:23,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:27:23,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:27:23,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:27:23,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:27:23,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (1/1) ... [2020-11-30 01:27:23,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (1/1) ... [2020-11-30 01:27:23,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:27:23,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:27:23,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:27:23,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:27:23,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (1/1) ... [2020-11-30 01:27:23,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (1/1) ... [2020-11-30 01:27:23,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (1/1) ... [2020-11-30 01:27:23,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (1/1) ... [2020-11-30 01:27:23,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (1/1) ... [2020-11-30 01:27:23,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (1/1) ... [2020-11-30 01:27:23,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (1/1) ... [2020-11-30 01:27:23,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:27:23,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:27:23,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:27:23,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:27:23,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/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 01:27:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:27:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:27:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:27:23,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:27:25,815 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:27:25,815 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:27:25,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:25 BoogieIcfgContainer [2020-11-30 01:27:25,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:27:25,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:27:25,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:27:25,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:27:25,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:27:22" (1/3) ... [2020-11-30 01:27:25,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55defc5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:27:25, skipping insertion in model container [2020-11-30 01:27:25,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:23" (2/3) ... [2020-11-30 01:27:25,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55defc5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:27:25, skipping insertion in model container [2020-11-30 01:27:25,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:25" (3/3) ... [2020-11-30 01:27:25,835 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label49.c [2020-11-30 01:27:25,849 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:27:25,855 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:27:25,871 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:27:25,903 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:27:25,904 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:27:25,904 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:27:25,904 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:27:25,904 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:27:25,905 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:27:25,905 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:27:25,905 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:27:25,936 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-30 01:27:25,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:27:25,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:25,947 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] [2020-11-30 01:27:25,948 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:25,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:25,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1644072970, now seen corresponding path program 1 times [2020-11-30 01:27:25,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:25,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568797562] [2020-11-30 01:27:25,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:26,254 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 01:27:26,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568797562] [2020-11-30 01:27:26,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:26,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:27:26,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578596528] [2020-11-30 01:27:26,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:26,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:26,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:26,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:26,293 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-30 01:27:28,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:28,016 INFO L93 Difference]: Finished difference Result 568 states and 982 transitions. [2020-11-30 01:27:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:28,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-30 01:27:28,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:28,052 INFO L225 Difference]: With dead ends: 568 [2020-11-30 01:27:28,053 INFO L226 Difference]: Without dead ends: 282 [2020-11-30 01:27:28,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:28,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-30 01:27:28,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-30 01:27:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-30 01:27:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2020-11-30 01:27:28,128 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 22 [2020-11-30 01:27:28,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:28,129 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2020-11-30 01:27:28,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:28,129 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2020-11-30 01:27:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-30 01:27:28,134 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:28,135 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:27:28,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:27:28,135 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:28,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:28,136 INFO L82 PathProgramCache]: Analyzing trace with hash 740453612, now seen corresponding path program 1 times [2020-11-30 01:27:28,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:28,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400557264] [2020-11-30 01:27:28,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:27:28,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400557264] [2020-11-30 01:27:28,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:28,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:27:28,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820206376] [2020-11-30 01:27:28,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:28,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:28,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:28,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:28,440 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2020-11-30 01:27:29,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:29,482 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2020-11-30 01:27:29,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:29,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-11-30 01:27:29,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:29,489 INFO L225 Difference]: With dead ends: 840 [2020-11-30 01:27:29,490 INFO L226 Difference]: Without dead ends: 560 [2020-11-30 01:27:29,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:29,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-30 01:27:29,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-30 01:27:29,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-30 01:27:29,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-11-30 01:27:29,577 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 92 [2020-11-30 01:27:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:29,578 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-11-30 01:27:29,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-11-30 01:27:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-30 01:27:29,583 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:29,584 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:27:29,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:27:29,584 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:29,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:29,585 INFO L82 PathProgramCache]: Analyzing trace with hash -164906618, now seen corresponding path program 1 times [2020-11-30 01:27:29,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:29,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190059895] [2020-11-30 01:27:29,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:29,825 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:27:29,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190059895] [2020-11-30 01:27:29,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:29,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:27:29,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373495119] [2020-11-30 01:27:29,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:29,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:29,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:29,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:29,836 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 3 states. [2020-11-30 01:27:30,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:30,948 INFO L93 Difference]: Finished difference Result 1396 states and 1867 transitions. [2020-11-30 01:27:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:30,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-11-30 01:27:30,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:30,962 INFO L225 Difference]: With dead ends: 1396 [2020-11-30 01:27:30,963 INFO L226 Difference]: Without dead ends: 838 [2020-11-30 01:27:30,964 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 01:27:30,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-11-30 01:27:30,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-11-30 01:27:30,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-11-30 01:27:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1063 transitions. [2020-11-30 01:27:30,997 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1063 transitions. Word has length 97 [2020-11-30 01:27:30,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:30,998 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1063 transitions. [2020-11-30 01:27:30,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1063 transitions. [2020-11-30 01:27:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-11-30 01:27:31,004 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:31,004 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:27:31,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:27:31,005 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:31,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:31,006 INFO L82 PathProgramCache]: Analyzing trace with hash 814401886, now seen corresponding path program 1 times [2020-11-30 01:27:31,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:31,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150216017] [2020-11-30 01:27:31,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:27:31,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150216017] [2020-11-30 01:27:31,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:31,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:27:31,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683549931] [2020-11-30 01:27:31,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:31,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:31,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:31,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:31,186 INFO L87 Difference]: Start difference. First operand 838 states and 1063 transitions. Second operand 3 states. [2020-11-30 01:27:32,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:32,137 INFO L93 Difference]: Finished difference Result 2230 states and 2775 transitions. [2020-11-30 01:27:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:32,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-11-30 01:27:32,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:32,152 INFO L225 Difference]: With dead ends: 2230 [2020-11-30 01:27:32,152 INFO L226 Difference]: Without dead ends: 1394 [2020-11-30 01:27:32,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:32,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-30 01:27:32,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-11-30 01:27:32,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-30 01:27:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1475 transitions. [2020-11-30 01:27:32,194 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1475 transitions. Word has length 113 [2020-11-30 01:27:32,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:32,209 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1475 transitions. [2020-11-30 01:27:32,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:32,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1475 transitions. [2020-11-30 01:27:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-11-30 01:27:32,221 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:32,222 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:27:32,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:27:32,222 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:32,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:32,223 INFO L82 PathProgramCache]: Analyzing trace with hash -2007188843, now seen corresponding path program 1 times [2020-11-30 01:27:32,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:32,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55645363] [2020-11-30 01:27:32,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:27:32,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55645363] [2020-11-30 01:27:32,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:32,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:27:32,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300649041] [2020-11-30 01:27:32,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:32,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:32,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:32,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:32,469 INFO L87 Difference]: Start difference. First operand 1255 states and 1475 transitions. Second operand 3 states. [2020-11-30 01:27:33,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:33,253 INFO L93 Difference]: Finished difference Result 2647 states and 3097 transitions. [2020-11-30 01:27:33,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:33,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-11-30 01:27:33,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:33,268 INFO L225 Difference]: With dead ends: 2647 [2020-11-30 01:27:33,268 INFO L226 Difference]: Without dead ends: 1394 [2020-11-30 01:27:33,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:33,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-11-30 01:27:33,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2020-11-30 01:27:33,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-11-30 01:27:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1619 transitions. [2020-11-30 01:27:33,312 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1619 transitions. Word has length 114 [2020-11-30 01:27:33,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:33,312 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1619 transitions. [2020-11-30 01:27:33,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:33,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1619 transitions. [2020-11-30 01:27:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-30 01:27:33,315 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:33,316 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:33,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:27:33,316 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:33,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:33,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1505251775, now seen corresponding path program 1 times [2020-11-30 01:27:33,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:33,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994670152] [2020-11-30 01:27:33,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-30 01:27:33,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994670152] [2020-11-30 01:27:33,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:33,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:27:33,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895779344] [2020-11-30 01:27:33,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:33,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:33,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:33,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:33,487 INFO L87 Difference]: Start difference. First operand 1394 states and 1619 transitions. Second operand 3 states. [2020-11-30 01:27:34,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:34,362 INFO L93 Difference]: Finished difference Result 2925 states and 3461 transitions. [2020-11-30 01:27:34,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:34,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-11-30 01:27:34,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:34,375 INFO L225 Difference]: With dead ends: 2925 [2020-11-30 01:27:34,375 INFO L226 Difference]: Without dead ends: 1672 [2020-11-30 01:27:34,378 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 01:27:34,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-11-30 01:27:34,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2020-11-30 01:27:34,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-11-30 01:27:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1922 transitions. [2020-11-30 01:27:34,426 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1922 transitions. Word has length 180 [2020-11-30 01:27:34,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:34,426 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1922 transitions. [2020-11-30 01:27:34,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:34,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1922 transitions. [2020-11-30 01:27:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-11-30 01:27:34,430 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:34,430 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:34,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:27:34,431 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:34,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:34,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1792612141, now seen corresponding path program 1 times [2020-11-30 01:27:34,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:34,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506670267] [2020-11-30 01:27:34,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:34,719 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-30 01:27:34,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506670267] [2020-11-30 01:27:34,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588874009] [2020-11-30 01:27:34,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/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 01:27:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:34,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:27:34,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:27:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-30 01:27:35,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:27:35,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-30 01:27:35,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835804893] [2020-11-30 01:27:35,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:35,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:35,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:35,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:27:35,266 INFO L87 Difference]: Start difference. First operand 1672 states and 1922 transitions. Second operand 3 states. [2020-11-30 01:27:36,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:36,424 INFO L93 Difference]: Finished difference Result 2508 states and 2898 transitions. [2020-11-30 01:27:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:36,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-11-30 01:27:36,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:36,441 INFO L225 Difference]: With dead ends: 2508 [2020-11-30 01:27:36,441 INFO L226 Difference]: Without dead ends: 2506 [2020-11-30 01:27:36,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:27:36,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2020-11-30 01:27:36,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 1811. [2020-11-30 01:27:36,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2020-11-30 01:27:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2111 transitions. [2020-11-30 01:27:36,507 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2111 transitions. Word has length 181 [2020-11-30 01:27:36,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:36,507 INFO L481 AbstractCegarLoop]: Abstraction has 1811 states and 2111 transitions. [2020-11-30 01:27:36,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2111 transitions. [2020-11-30 01:27:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-11-30 01:27:36,511 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:36,512 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:36,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-30 01:27:36,730 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:36,731 INFO L82 PathProgramCache]: Analyzing trace with hash -653168420, now seen corresponding path program 1 times [2020-11-30 01:27:36,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:36,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586729099] [2020-11-30 01:27:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:27:36,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586729099] [2020-11-30 01:27:36,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:36,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:27:36,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484829675] [2020-11-30 01:27:36,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:36,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:36,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:36,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:36,925 INFO L87 Difference]: Start difference. First operand 1811 states and 2111 transitions. Second operand 3 states. [2020-11-30 01:27:37,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:37,917 INFO L93 Difference]: Finished difference Result 3898 states and 4634 transitions. [2020-11-30 01:27:37,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:37,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2020-11-30 01:27:37,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:37,932 INFO L225 Difference]: With dead ends: 3898 [2020-11-30 01:27:37,933 INFO L226 Difference]: Without dead ends: 2228 [2020-11-30 01:27:37,936 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 01:27:37,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-11-30 01:27:37,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2089. [2020-11-30 01:27:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-11-30 01:27:37,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2410 transitions. [2020-11-30 01:27:37,995 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2410 transitions. Word has length 182 [2020-11-30 01:27:37,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:37,996 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2410 transitions. [2020-11-30 01:27:37,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:37,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2410 transitions. [2020-11-30 01:27:38,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-30 01:27:38,001 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:38,002 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:27:38,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:27:38,002 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:38,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:38,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1342811314, now seen corresponding path program 1 times [2020-11-30 01:27:38,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:38,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606810366] [2020-11-30 01:27:38,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 01:27:38,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606810366] [2020-11-30 01:27:38,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:38,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:27:38,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259190721] [2020-11-30 01:27:38,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 01:27:38,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:38,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:27:38,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:27:38,446 INFO L87 Difference]: Start difference. First operand 2089 states and 2410 transitions. Second operand 7 states. [2020-11-30 01:27:39,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:39,571 INFO L93 Difference]: Finished difference Result 4092 states and 4729 transitions. [2020-11-30 01:27:39,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:27:39,572 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-11-30 01:27:39,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:39,585 INFO L225 Difference]: With dead ends: 4092 [2020-11-30 01:27:39,585 INFO L226 Difference]: Without dead ends: 2089 [2020-11-30 01:27:39,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:27:39,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-11-30 01:27:39,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-11-30 01:27:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-11-30 01:27:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2403 transitions. [2020-11-30 01:27:39,643 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2403 transitions. Word has length 234 [2020-11-30 01:27:39,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:39,644 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2403 transitions. [2020-11-30 01:27:39,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 01:27:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2403 transitions. [2020-11-30 01:27:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-11-30 01:27:39,650 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:39,651 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:39,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:27:39,652 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:39,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:39,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1387029556, now seen corresponding path program 1 times [2020-11-30 01:27:39,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:39,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292160664] [2020-11-30 01:27:39,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:27:39,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292160664] [2020-11-30 01:27:39,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:39,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:27:39,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662865423] [2020-11-30 01:27:39,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:27:39,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:40,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:27:40,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:27:40,002 INFO L87 Difference]: Start difference. First operand 2089 states and 2403 transitions. Second operand 4 states. [2020-11-30 01:27:41,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:41,257 INFO L93 Difference]: Finished difference Result 4315 states and 4989 transitions. [2020-11-30 01:27:41,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:27:41,258 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 270 [2020-11-30 01:27:41,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:41,273 INFO L225 Difference]: With dead ends: 4315 [2020-11-30 01:27:41,273 INFO L226 Difference]: Without dead ends: 2367 [2020-11-30 01:27:41,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 01:27:41,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-11-30 01:27:41,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2020-11-30 01:27:41,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-11-30 01:27:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2696 transitions. [2020-11-30 01:27:41,339 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2696 transitions. Word has length 270 [2020-11-30 01:27:41,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:41,340 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2696 transitions. [2020-11-30 01:27:41,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:27:41,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2696 transitions. [2020-11-30 01:27:41,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-11-30 01:27:41,347 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:41,347 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:41,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:27:41,348 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:41,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:41,348 INFO L82 PathProgramCache]: Analyzing trace with hash -894191638, now seen corresponding path program 1 times [2020-11-30 01:27:41,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:41,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100695031] [2020-11-30 01:27:41,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-11-30 01:27:41,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100695031] [2020-11-30 01:27:41,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:41,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:27:41,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323229399] [2020-11-30 01:27:41,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:41,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:41,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:41,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:41,592 INFO L87 Difference]: Start difference. First operand 2367 states and 2696 transitions. Second operand 3 states. [2020-11-30 01:27:42,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:42,513 INFO L93 Difference]: Finished difference Result 5288 states and 6002 transitions. [2020-11-30 01:27:42,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:42,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2020-11-30 01:27:42,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:42,530 INFO L225 Difference]: With dead ends: 5288 [2020-11-30 01:27:42,530 INFO L226 Difference]: Without dead ends: 3062 [2020-11-30 01:27:42,533 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 01:27:42,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2020-11-30 01:27:42,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2089. [2020-11-30 01:27:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-11-30 01:27:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2349 transitions. [2020-11-30 01:27:42,592 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2349 transitions. Word has length 283 [2020-11-30 01:27:42,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:42,593 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2349 transitions. [2020-11-30 01:27:42,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2349 transitions. [2020-11-30 01:27:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-11-30 01:27:42,601 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:42,601 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:27:42,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:27:42,602 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:42,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:42,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1759399067, now seen corresponding path program 1 times [2020-11-30 01:27:42,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:42,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896565768] [2020-11-30 01:27:42,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:42,881 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-11-30 01:27:42,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896565768] [2020-11-30 01:27:42,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:42,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:27:42,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842207502] [2020-11-30 01:27:42,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:42,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:42,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:42,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:42,883 INFO L87 Difference]: Start difference. First operand 2089 states and 2349 transitions. Second operand 3 states. [2020-11-30 01:27:43,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:43,768 INFO L93 Difference]: Finished difference Result 5010 states and 5620 transitions. [2020-11-30 01:27:43,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:43,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 319 [2020-11-30 01:27:43,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:43,782 INFO L225 Difference]: With dead ends: 5010 [2020-11-30 01:27:43,782 INFO L226 Difference]: Without dead ends: 2089 [2020-11-30 01:27:43,785 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 01:27:43,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-11-30 01:27:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-11-30 01:27:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-11-30 01:27:43,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2336 transitions. [2020-11-30 01:27:43,841 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2336 transitions. Word has length 319 [2020-11-30 01:27:43,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:43,842 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2336 transitions. [2020-11-30 01:27:43,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2336 transitions. [2020-11-30 01:27:43,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-11-30 01:27:43,853 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:43,853 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:27:43,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:27:43,854 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:43,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:43,854 INFO L82 PathProgramCache]: Analyzing trace with hash 582442807, now seen corresponding path program 1 times [2020-11-30 01:27:43,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:43,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251665989] [2020-11-30 01:27:43,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-30 01:27:44,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251665989] [2020-11-30 01:27:44,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:44,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:27:44,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791752980] [2020-11-30 01:27:44,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:27:44,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:44,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:27:44,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:27:44,155 INFO L87 Difference]: Start difference. First operand 2089 states and 2336 transitions. Second operand 3 states. [2020-11-30 01:27:44,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:44,813 INFO L93 Difference]: Finished difference Result 4037 states and 4527 transitions. [2020-11-30 01:27:44,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:27:44,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2020-11-30 01:27:44,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:44,824 INFO L225 Difference]: With dead ends: 4037 [2020-11-30 01:27:44,825 INFO L226 Difference]: Without dead ends: 2089 [2020-11-30 01:27:44,827 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 01:27:44,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-11-30 01:27:44,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-11-30 01:27:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-11-30 01:27:44,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2279 transitions. [2020-11-30 01:27:44,868 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2279 transitions. Word has length 363 [2020-11-30 01:27:44,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:44,869 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2279 transitions. [2020-11-30 01:27:44,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:27:44,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2279 transitions. [2020-11-30 01:27:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-11-30 01:27:44,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:44,879 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:27:44,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 01:27:44,879 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:44,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:44,880 INFO L82 PathProgramCache]: Analyzing trace with hash -502294178, now seen corresponding path program 1 times [2020-11-30 01:27:44,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:44,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434667175] [2020-11-30 01:27:44,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 236 proven. 35 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-11-30 01:27:45,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434667175] [2020-11-30 01:27:45,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975525532] [2020-11-30 01:27:45,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/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 01:27:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:45,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 01:27:45,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:27:46,418 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 197 proven. 74 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-11-30 01:27:46,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:27:46,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-30 01:27:46,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537267929] [2020-11-30 01:27:46,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 01:27:46,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:27:46,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 01:27:46,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:27:46,421 INFO L87 Difference]: Start difference. First operand 2089 states and 2279 transitions. Second operand 8 states. [2020-11-30 01:27:48,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:27:48,904 INFO L93 Difference]: Finished difference Result 4364 states and 4762 transitions. [2020-11-30 01:27:48,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 01:27:48,909 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 373 [2020-11-30 01:27:48,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:27:48,909 INFO L225 Difference]: With dead ends: 4364 [2020-11-30 01:27:48,909 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:27:48,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 370 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-30 01:27:48,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:27:48,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:27:48,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:27:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:27:48,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2020-11-30 01:27:48,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:27:48,916 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:27:48,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 01:27:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:27:48,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:27:49,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-30 01:27:49,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:27:49,255 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2020-11-30 01:27:50,091 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-11-30 01:27:50,678 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,682 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,683 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,684 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,685 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-30 01:27:50,686 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-30 01:27:50,687 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse5 (<= ~a19~0 7)) (.cse8 (<= 9 ~a19~0)) (.cse4 (<= ~a1~0 36)) (.cse1 (= ~a10~0 2)) (.cse7 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse6 (= ~a10~0 0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 592098 ~a1~0)) (and .cse4 .cse5 .cse0 .cse2) (and .cse4 .cse0 .cse6 .cse2) (and (< 218 ~a1~0) .cse7 .cse0 .cse2) (and .cse5 .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3 (= ~a10~0 4)) (and .cse0 .cse8 .cse1 .cse2 .cse3) (and .cse7 .cse0 .cse8 .cse2) (and (= ~a10~0 3) .cse0 .cse2 (= ~a19~0 9)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and (= ~a19~0 8) .cse7 .cse0 .cse2) (and .cse0 .cse6 .cse2 .cse3))) [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,688 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-30 01:27:50,689 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-30 01:27:50,690 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 01:27:50,691 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 01:27:50,692 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-30 01:27:50,692 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-30 01:27:50,692 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-30 01:27:50,692 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse5 (<= ~a19~0 7)) (.cse8 (<= 9 ~a19~0)) (.cse4 (<= ~a1~0 36)) (.cse1 (= ~a10~0 2)) (.cse7 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse6 (= ~a10~0 0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 592098 ~a1~0)) (and .cse4 .cse5 .cse0 .cse2) (and .cse4 .cse0 .cse6 .cse2) (and (< 218 ~a1~0) .cse7 .cse0 .cse2) (and .cse5 .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3 (= ~a10~0 4)) (and .cse0 .cse8 .cse1 .cse2 .cse3) (and .cse7 .cse0 .cse8 .cse2) (and (= ~a10~0 3) .cse0 .cse2 (= ~a19~0 9)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and (= ~a19~0 8) .cse7 .cse0 .cse2) (and .cse0 .cse6 .cse2 .cse3))) [2020-11-30 01:27:50,692 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-30 01:27:50,692 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,692 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,692 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,692 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:27:50,693 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 01:27:50,694 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 01:27:50,695 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 01:27:50,695 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 01:27:50,695 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 01:27:50,695 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 01:27:50,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:27:50 BoogieIcfgContainer [2020-11-30 01:27:50,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:27:50,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:27:50,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:27:50,729 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:27:50,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:25" (3/4) ... [2020-11-30 01:27:50,733 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:27:50,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:27:50,778 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:27:50,779 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:27:50,780 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:27:51,007 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ba23c96c-4ad5-45cc-a4da-4fc4d7343c06/bin/uautomizer/witness.graphml [2020-11-30 01:27:51,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:27:51,009 INFO L168 Benchmark]: Toolchain (without parser) took 28661.39 ms. Allocated memory was 96.5 MB in the beginning and 507.5 MB in the end (delta: 411.0 MB). Free memory was 68.5 MB in the beginning and 327.3 MB in the end (delta: -258.7 MB). Peak memory consumption was 151.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:51,010 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 96.5 MB. Free memory was 53.2 MB in the beginning and 53.2 MB in the end (delta: 78.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:27:51,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.55 ms. Allocated memory is still 96.5 MB. Free memory was 68.3 MB in the beginning and 56.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:51,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.04 ms. Allocated memory is still 96.5 MB. Free memory was 56.9 MB in the beginning and 49.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:51,011 INFO L168 Benchmark]: Boogie Preprocessor took 218.85 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 49.0 MB in the beginning and 88.7 MB in the end (delta: -39.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:51,012 INFO L168 Benchmark]: RCFGBuilder took 2258.65 ms. Allocated memory is still 117.4 MB. Free memory was 88.7 MB in the beginning and 54.5 MB in the end (delta: 34.2 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:51,012 INFO L168 Benchmark]: TraceAbstraction took 24903.71 ms. Allocated memory was 117.4 MB in the beginning and 507.5 MB in the end (delta: 390.1 MB). Free memory was 53.8 MB in the beginning and 343.0 MB in the end (delta: -289.1 MB). Peak memory consumption was 220.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:51,013 INFO L168 Benchmark]: Witness Printer took 278.34 ms. Allocated memory is still 507.5 MB. Free memory was 343.0 MB in the beginning and 327.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:51,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 96.5 MB. Free memory was 53.2 MB in the beginning and 53.2 MB in the end (delta: 78.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 822.55 ms. Allocated memory is still 96.5 MB. Free memory was 68.3 MB in the beginning and 56.9 MB in the end (delta: 11.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 169.04 ms. Allocated memory is still 96.5 MB. Free memory was 56.9 MB in the beginning and 49.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 218.85 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 49.0 MB in the beginning and 88.7 MB in the end (delta: -39.8 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2258.65 ms. Allocated memory is still 117.4 MB. Free memory was 88.7 MB in the beginning and 54.5 MB in the end (delta: 34.2 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 24903.71 ms. Allocated memory was 117.4 MB in the beginning and 507.5 MB in the end (delta: 390.1 MB). Free memory was 53.8 MB in the beginning and 343.0 MB in the end (delta: -289.1 MB). Peak memory consumption was 220.2 MB. Max. memory is 16.1 GB. * Witness Printer took 278.34 ms. Allocated memory is still 507.5 MB. Free memory was 343.0 MB in the beginning and 327.3 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: 592]: Loop Invariant Derived loop invariant: ((((((((((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) && 592098 <= a1) || (((a1 <= 36 && a19 <= 7) && 14 == a4) && a12 == 0)) || (((a1 <= 36 && 14 == a4) && a10 == 0) && a12 == 0)) || (((218 < a1 && a10 == 1) && 14 == a4) && a12 == 0)) || (((a19 <= 7 && 14 == a4) && a10 == 2) && a12 == 0)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4)) || ((((14 == a4 && 9 <= a19) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 9 <= a19) && a12 == 0)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 == 9)) || ((((a1 <= 36 && 14 == a4) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a19 == 8 && a10 == 1) && 14 == a4) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) && 592098 <= a1) || (((a1 <= 36 && a19 <= 7) && 14 == a4) && a12 == 0)) || (((a1 <= 36 && 14 == a4) && a10 == 0) && a12 == 0)) || (((218 < a1 && a10 == 1) && 14 == a4) && a12 == 0)) || (((a19 <= 7 && 14 == a4) && a10 == 2) && a12 == 0)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4)) || ((((14 == a4 && 9 <= a19) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 14 == a4) && 9 <= a19) && a12 == 0)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 == 9)) || ((((a1 <= 36 && 14 == a4) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a19 == 8 && a10 == 1) && 14 == a4) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.2s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1581 SDtfs, 1517 SDslu, 97 SDs, 0 SdLazy, 6842 SolverSat, 934 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 598 GetRequests, 569 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2367occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1946 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 86 NumberOfFragments, 333 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3102 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1134 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3377 NumberOfCodeBlocks, 3377 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3361 ConstructedInterpolants, 0 QuantifiedInterpolants, 4594045 SizeOfPredicates, 7 NumberOfNonLiveVariables, 814 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 2454/2628 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...