./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a36e59b73de737948c8406f65f182e859a67435b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:38,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:38,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:38,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:38,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:38,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:38,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:38,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:38,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:38,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:38,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:38,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:38,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:38,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:38,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:38,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:38,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:38,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:38,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:38,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:38,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:38,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:38,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:38,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:38,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:38,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:38,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:38,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:38,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:38,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:38,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:38,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:38,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:38,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:38,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:38,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:38,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:38,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:38,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:38,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:38,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:38,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:38,941 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:38,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:38,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:38,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:38,943 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:38,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:38,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:38,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:38,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:38,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:38,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:38,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:38,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:38,945 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:38,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:38,945 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:38,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:38,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:38,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:38,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:38,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:38,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:38,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:38,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:38,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:38,947 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:38,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:38,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:38,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/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(__VERIFIER_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 -> a36e59b73de737948c8406f65f182e859a67435b [2019-10-22 09:01:38,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:38,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:38,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:38,997 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:38,997 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:38,998 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c [2019-10-22 09:01:39,045 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/data/85d750c1f/b249ce9b671642fa8d71a9dc01eca1ac/FLAG208f7dd5d [2019-10-22 09:01:39,512 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:39,513 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/sv-benchmarks/c/eca-rers2012/Problem02_label15.c [2019-10-22 09:01:39,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/data/85d750c1f/b249ce9b671642fa8d71a9dc01eca1ac/FLAG208f7dd5d [2019-10-22 09:01:39,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/data/85d750c1f/b249ce9b671642fa8d71a9dc01eca1ac [2019-10-22 09:01:39,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:39,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:39,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:39,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:39,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:39,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:39" (1/1) ... [2019-10-22 09:01:39,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae935dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:39, skipping insertion in model container [2019-10-22 09:01:39,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:39" (1/1) ... [2019-10-22 09:01:39,561 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:39,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:39,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:39,997 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:40,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:40,140 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:40,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40 WrapperNode [2019-10-22 09:01:40,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:40,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:40,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:40,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:40,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:40,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:40,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:40,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:40,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (1/1) ... [2019-10-22 09:01:40,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:40,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:40,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:40,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:40,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/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 [2019-10-22 09:01:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:40,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:41,569 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:41,569 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:01:41,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:41 BoogieIcfgContainer [2019-10-22 09:01:41,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:41,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:41,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:41,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:41,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:39" (1/3) ... [2019-10-22 09:01:41,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5dfd70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:41, skipping insertion in model container [2019-10-22 09:01:41,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:40" (2/3) ... [2019-10-22 09:01:41,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5dfd70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:41, skipping insertion in model container [2019-10-22 09:01:41,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:41" (3/3) ... [2019-10-22 09:01:41,580 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label15.c [2019-10-22 09:01:41,588 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:41,600 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:01:41,610 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:01:41,637 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:41,637 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:41,637 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:41,637 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:41,643 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:41,643 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:41,643 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:41,643 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:41,662 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 09:01:41,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-22 09:01:41,675 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:41,676 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:41,677 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:41,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:41,684 INFO L82 PathProgramCache]: Analyzing trace with hash -648019827, now seen corresponding path program 1 times [2019-10-22 09:01:41,691 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:41,692 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940749167] [2019-10-22 09:01:41,692 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:41,692 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:41,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:42,176 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940749167] [2019-10-22 09:01:42,177 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:42,178 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:42,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59334440] [2019-10-22 09:01:42,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:42,183 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:42,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:42,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:42,200 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-10-22 09:01:43,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:43,386 INFO L93 Difference]: Finished difference Result 789 states and 1377 transitions. [2019-10-22 09:01:43,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:43,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2019-10-22 09:01:43,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:43,408 INFO L225 Difference]: With dead ends: 789 [2019-10-22 09:01:43,409 INFO L226 Difference]: Without dead ends: 465 [2019-10-22 09:01:43,414 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:43,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-10-22 09:01:43,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 309. [2019-10-22 09:01:43,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-10-22 09:01:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 453 transitions. [2019-10-22 09:01:43,488 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 453 transitions. Word has length 130 [2019-10-22 09:01:43,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:43,489 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 453 transitions. [2019-10-22 09:01:43,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:43,489 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 453 transitions. [2019-10-22 09:01:43,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-22 09:01:43,493 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:43,494 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:43,494 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:43,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:43,494 INFO L82 PathProgramCache]: Analyzing trace with hash 208795960, now seen corresponding path program 1 times [2019-10-22 09:01:43,495 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:43,495 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378020945] [2019-10-22 09:01:43,495 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:43,495 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:43,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:43,710 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378020945] [2019-10-22 09:01:43,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:43,711 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:43,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415096389] [2019-10-22 09:01:43,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:43,713 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:43,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:43,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:43,713 INFO L87 Difference]: Start difference. First operand 309 states and 453 transitions. Second operand 4 states. [2019-10-22 09:01:44,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:44,418 INFO L93 Difference]: Finished difference Result 980 states and 1479 transitions. [2019-10-22 09:01:44,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:44,419 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-10-22 09:01:44,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:44,421 INFO L225 Difference]: With dead ends: 980 [2019-10-22 09:01:44,421 INFO L226 Difference]: Without dead ends: 590 [2019-10-22 09:01:44,423 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:44,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-10-22 09:01:44,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-10-22 09:01:44,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-10-22 09:01:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 788 transitions. [2019-10-22 09:01:44,452 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 788 transitions. Word has length 134 [2019-10-22 09:01:44,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:44,453 INFO L462 AbstractCegarLoop]: Abstraction has 590 states and 788 transitions. [2019-10-22 09:01:44,453 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 788 transitions. [2019-10-22 09:01:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-22 09:01:44,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:44,458 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:44,459 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:44,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:44,459 INFO L82 PathProgramCache]: Analyzing trace with hash -402206747, now seen corresponding path program 1 times [2019-10-22 09:01:44,459 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:44,459 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068983986] [2019-10-22 09:01:44,460 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,460 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 09:01:44,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068983986] [2019-10-22 09:01:44,572 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:44,572 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:44,572 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547370805] [2019-10-22 09:01:44,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:44,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:44,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:44,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:44,573 INFO L87 Difference]: Start difference. First operand 590 states and 788 transitions. Second operand 4 states. [2019-10-22 09:01:45,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:45,337 INFO L93 Difference]: Finished difference Result 2306 states and 3087 transitions. [2019-10-22 09:01:45,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:45,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2019-10-22 09:01:45,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:45,344 INFO L225 Difference]: With dead ends: 2306 [2019-10-22 09:01:45,344 INFO L226 Difference]: Without dead ends: 1718 [2019-10-22 09:01:45,346 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:45,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-10-22 09:01:45,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1572. [2019-10-22 09:01:45,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1572 states. [2019-10-22 09:01:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 1965 transitions. [2019-10-22 09:01:45,388 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 1965 transitions. Word has length 160 [2019-10-22 09:01:45,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:45,389 INFO L462 AbstractCegarLoop]: Abstraction has 1572 states and 1965 transitions. [2019-10-22 09:01:45,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1965 transitions. [2019-10-22 09:01:45,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-22 09:01:45,393 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:45,394 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:45,394 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:45,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:45,395 INFO L82 PathProgramCache]: Analyzing trace with hash 864996295, now seen corresponding path program 1 times [2019-10-22 09:01:45,395 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:45,395 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332624343] [2019-10-22 09:01:45,395 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,395 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 09:01:45,498 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332624343] [2019-10-22 09:01:45,499 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:45,499 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:45,500 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366173900] [2019-10-22 09:01:45,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:45,502 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:45,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:45,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:45,503 INFO L87 Difference]: Start difference. First operand 1572 states and 1965 transitions. Second operand 4 states. [2019-10-22 09:01:46,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:46,300 INFO L93 Difference]: Finished difference Result 4277 states and 5403 transitions. [2019-10-22 09:01:46,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:46,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2019-10-22 09:01:46,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:46,309 INFO L225 Difference]: With dead ends: 4277 [2019-10-22 09:01:46,309 INFO L226 Difference]: Without dead ends: 2707 [2019-10-22 09:01:46,312 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:46,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2019-10-22 09:01:46,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 1855. [2019-10-22 09:01:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2019-10-22 09:01:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2281 transitions. [2019-10-22 09:01:46,356 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2281 transitions. Word has length 168 [2019-10-22 09:01:46,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:46,357 INFO L462 AbstractCegarLoop]: Abstraction has 1855 states and 2281 transitions. [2019-10-22 09:01:46,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:46,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2281 transitions. [2019-10-22 09:01:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-22 09:01:46,362 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:46,362 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:46,362 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:46,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:46,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1353288396, now seen corresponding path program 1 times [2019-10-22 09:01:46,363 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:46,363 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734789664] [2019-10-22 09:01:46,363 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:46,363 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:46,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:46,529 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734789664] [2019-10-22 09:01:46,530 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909783229] [2019-10-22 09:01:46,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/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 [2019-10-22 09:01:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:46,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:46,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-22 09:01:46,668 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:01:46,669 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-10-22 09:01:46,669 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371124403] [2019-10-22 09:01:46,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:46,670 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:46,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:46,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:46,671 INFO L87 Difference]: Start difference. First operand 1855 states and 2281 transitions. Second operand 3 states. [2019-10-22 09:01:47,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:47,166 INFO L93 Difference]: Finished difference Result 4267 states and 5231 transitions. [2019-10-22 09:01:47,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:47,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-22 09:01:47,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:47,174 INFO L225 Difference]: With dead ends: 4267 [2019-10-22 09:01:47,174 INFO L226 Difference]: Without dead ends: 2414 [2019-10-22 09:01:47,176 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:47,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-10-22 09:01:47,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 1994. [2019-10-22 09:01:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-10-22 09:01:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2442 transitions. [2019-10-22 09:01:47,214 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2442 transitions. Word has length 171 [2019-10-22 09:01:47,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:47,215 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 2442 transitions. [2019-10-22 09:01:47,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2442 transitions. [2019-10-22 09:01:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-22 09:01:47,219 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:47,220 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:47,420 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:47,421 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:47,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:47,421 INFO L82 PathProgramCache]: Analyzing trace with hash 141468647, now seen corresponding path program 1 times [2019-10-22 09:01:47,421 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:47,421 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418853221] [2019-10-22 09:01:47,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:47,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:47,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 09:01:47,475 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418853221] [2019-10-22 09:01:47,475 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:47,475 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:47,476 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235366418] [2019-10-22 09:01:47,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:47,476 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:47,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:47,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:47,477 INFO L87 Difference]: Start difference. First operand 1994 states and 2442 transitions. Second operand 3 states. [2019-10-22 09:01:47,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:47,906 INFO L93 Difference]: Finished difference Result 4272 states and 5182 transitions. [2019-10-22 09:01:47,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:47,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-22 09:01:47,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:47,913 INFO L225 Difference]: With dead ends: 4272 [2019-10-22 09:01:47,913 INFO L226 Difference]: Without dead ends: 2140 [2019-10-22 09:01:47,915 INFO L600 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 [2019-10-22 09:01:47,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2019-10-22 09:01:47,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1994. [2019-10-22 09:01:47,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-10-22 09:01:47,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2341 transitions. [2019-10-22 09:01:47,947 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2341 transitions. Word has length 181 [2019-10-22 09:01:47,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:47,947 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 2341 transitions. [2019-10-22 09:01:47,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2341 transitions. [2019-10-22 09:01:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-22 09:01:47,951 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:47,951 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:47,951 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:47,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:47,952 INFO L82 PathProgramCache]: Analyzing trace with hash -99265028, now seen corresponding path program 1 times [2019-10-22 09:01:47,952 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:47,952 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842144166] [2019-10-22 09:01:47,952 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:47,952 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:47,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:48,025 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 09:01:48,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842144166] [2019-10-22 09:01:48,026 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:48,026 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:48,026 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657565795] [2019-10-22 09:01:48,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:48,027 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:48,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:48,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:48,028 INFO L87 Difference]: Start difference. First operand 1994 states and 2341 transitions. Second operand 3 states. [2019-10-22 09:01:48,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:48,455 INFO L93 Difference]: Finished difference Result 4822 states and 5634 transitions. [2019-10-22 09:01:48,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:48,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-10-22 09:01:48,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:48,461 INFO L225 Difference]: With dead ends: 4822 [2019-10-22 09:01:48,461 INFO L226 Difference]: Without dead ends: 2129 [2019-10-22 09:01:48,463 INFO L600 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 [2019-10-22 09:01:48,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2019-10-22 09:01:48,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 1989. [2019-10-22 09:01:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1989 states. [2019-10-22 09:01:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1989 states and 2227 transitions. [2019-10-22 09:01:48,499 INFO L78 Accepts]: Start accepts. Automaton has 1989 states and 2227 transitions. Word has length 183 [2019-10-22 09:01:48,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:48,499 INFO L462 AbstractCegarLoop]: Abstraction has 1989 states and 2227 transitions. [2019-10-22 09:01:48,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:48,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2227 transitions. [2019-10-22 09:01:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-10-22 09:01:48,504 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:48,504 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:48,504 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:48,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:48,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1648518522, now seen corresponding path program 1 times [2019-10-22 09:01:48,505 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:48,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125105032] [2019-10-22 09:01:48,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:48,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:48,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-22 09:01:48,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125105032] [2019-10-22 09:01:48,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447417351] [2019-10-22 09:01:48,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/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 [2019-10-22 09:01:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:48,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:48,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-22 09:01:48,811 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:01:48,811 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-10-22 09:01:48,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412854709] [2019-10-22 09:01:48,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:48,812 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:48,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:48,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:48,812 INFO L87 Difference]: Start difference. First operand 1989 states and 2227 transitions. Second operand 3 states. [2019-10-22 09:01:49,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:49,002 INFO L93 Difference]: Finished difference Result 3545 states and 3921 transitions. [2019-10-22 09:01:49,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:49,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2019-10-22 09:01:49,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:49,005 INFO L225 Difference]: With dead ends: 3545 [2019-10-22 09:01:49,006 INFO L226 Difference]: Without dead ends: 1274 [2019-10-22 09:01:49,007 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:49,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2019-10-22 09:01:49,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1274. [2019-10-22 09:01:49,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2019-10-22 09:01:49,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1372 transitions. [2019-10-22 09:01:49,027 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1372 transitions. Word has length 198 [2019-10-22 09:01:49,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:49,027 INFO L462 AbstractCegarLoop]: Abstraction has 1274 states and 1372 transitions. [2019-10-22 09:01:49,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:49,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1372 transitions. [2019-10-22 09:01:49,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-10-22 09:01:49,030 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:49,031 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:49,231 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:49,231 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:49,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:49,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1576967456, now seen corresponding path program 1 times [2019-10-22 09:01:49,232 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:49,232 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301883059] [2019-10-22 09:01:49,232 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,232 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:49,370 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301883059] [2019-10-22 09:01:49,371 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:49,371 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:01:49,371 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955772224] [2019-10-22 09:01:49,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:01:49,371 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:49,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:01:49,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:01:49,372 INFO L87 Difference]: Start difference. First operand 1274 states and 1372 transitions. Second operand 7 states. [2019-10-22 09:01:50,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:50,286 INFO L93 Difference]: Finished difference Result 2710 states and 2934 transitions. [2019-10-22 09:01:50,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:01:50,290 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2019-10-22 09:01:50,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:50,293 INFO L225 Difference]: With dead ends: 2710 [2019-10-22 09:01:50,293 INFO L226 Difference]: Without dead ends: 1295 [2019-10-22 09:01:50,296 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:01:50,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2019-10-22 09:01:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1274. [2019-10-22 09:01:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2019-10-22 09:01:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1333 transitions. [2019-10-22 09:01:50,316 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1333 transitions. Word has length 203 [2019-10-22 09:01:50,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:50,316 INFO L462 AbstractCegarLoop]: Abstraction has 1274 states and 1333 transitions. [2019-10-22 09:01:50,316 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:01:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1333 transitions. [2019-10-22 09:01:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-22 09:01:50,319 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:50,319 INFO L380 BasicCegarLoop]: trace histogram [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, 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] [2019-10-22 09:01:50,319 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:50,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:50,320 INFO L82 PathProgramCache]: Analyzing trace with hash -473711658, now seen corresponding path program 1 times [2019-10-22 09:01:50,320 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:50,320 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179684276] [2019-10-22 09:01:50,320 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:50,320 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:50,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:50,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179684276] [2019-10-22 09:01:50,425 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:50,425 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:50,425 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404081058] [2019-10-22 09:01:50,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:50,426 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:50,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:50,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:50,427 INFO L87 Difference]: Start difference. First operand 1274 states and 1333 transitions. Second operand 4 states. [2019-10-22 09:01:50,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:50,933 INFO L93 Difference]: Finished difference Result 2688 states and 2810 transitions. [2019-10-22 09:01:50,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:50,933 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2019-10-22 09:01:50,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:50,937 INFO L225 Difference]: With dead ends: 2688 [2019-10-22 09:01:50,937 INFO L226 Difference]: Without dead ends: 1416 [2019-10-22 09:01:50,938 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:50,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2019-10-22 09:01:50,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1274. [2019-10-22 09:01:50,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2019-10-22 09:01:50,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1316 transitions. [2019-10-22 09:01:50,957 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1316 transitions. Word has length 207 [2019-10-22 09:01:50,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:50,957 INFO L462 AbstractCegarLoop]: Abstraction has 1274 states and 1316 transitions. [2019-10-22 09:01:50,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:50,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1316 transitions. [2019-10-22 09:01:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-22 09:01:50,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:50,961 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:50,961 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:50,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:50,961 INFO L82 PathProgramCache]: Analyzing trace with hash 283278328, now seen corresponding path program 1 times [2019-10-22 09:01:50,961 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:50,961 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406390595] [2019-10-22 09:01:50,962 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:50,962 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:50,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-22 09:01:51,094 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406390595] [2019-10-22 09:01:51,095 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:51,095 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:51,095 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462905449] [2019-10-22 09:01:51,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:51,095 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:51,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:51,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:51,096 INFO L87 Difference]: Start difference. First operand 1274 states and 1316 transitions. Second operand 4 states. [2019-10-22 09:01:51,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:51,512 INFO L93 Difference]: Finished difference Result 2543 states and 2631 transitions. [2019-10-22 09:01:51,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:51,512 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 228 [2019-10-22 09:01:51,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:51,513 INFO L225 Difference]: With dead ends: 2543 [2019-10-22 09:01:51,513 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:51,515 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:51,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:51,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:51,515 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2019-10-22 09:01:51,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:51,516 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:51,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:51,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:51,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:52,017 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-10-22 09:01:52,315 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 53 [2019-10-22 09:01:52,317 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,317 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,317 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,317 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-22 09:01:52,317 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-22 09:01:52,317 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-22 09:01:52,317 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-22 09:01:52,317 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-22 09:01:52,318 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,319 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-22 09:01:52,320 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-22 09:01:52,321 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-22 09:01:52,322 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,323 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-22 09:01:52,324 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-22 09:01:52,325 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-22 09:01:52,326 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a25~0 1)) (.cse6 (= ~a19~0 1))) (let ((.cse3 (= ~a28~0 9)) (.cse16 (not .cse6)) (.cse9 (not .cse7)) (.cse13 (not (= ~a28~0 11))) (.cse15 (= 10 ~a28~0))) (let ((.cse1 (= ~a28~0 7)) (.cse5 (= ~a11~0 1)) (.cse11 (not .cse15)) (.cse14 (or (and (<= ~a19~0 0) .cse9) (and .cse16 .cse9 .cse13))) (.cse4 (and .cse16 .cse13)) (.cse8 (<= 8 ~a17~0)) (.cse10 (<= ~a17~0 8)) (.cse12 (not .cse3)) (.cse0 (= ~a17~0 8)) (.cse2 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse7) (and .cse4 .cse8 .cse5) (and .cse9 .cse10 .cse5) (and .cse11 .cse8 .cse10 .cse7 .cse12 .cse13) (and .cse14 .cse5) (and .cse1 .cse10 .cse5) (and .cse11 (and .cse14 .cse10)) (and (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse0 .cse6 .cse15 .cse2) (and (and .cse4 .cse8 .cse10) .cse7 .cse12) (and .cse3 .cse0 .cse9 .cse2))))) [2019-10-22 09:01:52,326 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,326 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,326 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-22 09:01:52,326 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-22 09:01:52,326 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-22 09:01:52,326 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-22 09:01:52,326 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-22 09:01:52,326 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-22 09:01:52,326 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-10-22 09:01:52,326 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-22 09:01:52,327 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-22 09:01:52,328 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-22 09:01:52,328 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-22 09:01:52,328 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-22 09:01:52,328 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-22 09:01:52,328 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a25~0 1)) (.cse6 (= ~a19~0 1))) (let ((.cse3 (= ~a28~0 9)) (.cse16 (not .cse6)) (.cse9 (not .cse7)) (.cse13 (not (= ~a28~0 11))) (.cse15 (= 10 ~a28~0))) (let ((.cse1 (= ~a28~0 7)) (.cse5 (= ~a11~0 1)) (.cse11 (not .cse15)) (.cse14 (or (and (<= ~a19~0 0) .cse9) (and .cse16 .cse9 .cse13))) (.cse4 (and .cse16 .cse13)) (.cse8 (<= 8 ~a17~0)) (.cse10 (<= ~a17~0 8)) (.cse12 (not .cse3)) (.cse0 (= ~a17~0 8)) (.cse2 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse7) (and .cse4 .cse8 .cse5) (and .cse9 .cse10 .cse5) (and .cse11 .cse8 .cse10 .cse7 .cse12 .cse13) (and .cse14 .cse5) (and .cse1 .cse10 .cse5) (and .cse11 (and .cse14 .cse10)) (and (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse0 .cse6 .cse15 .cse2) (and (and .cse4 .cse8 .cse10) .cse7 .cse12) (and .cse3 .cse0 .cse9 .cse2))))) [2019-10-22 09:01:52,328 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,328 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,328 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-22 09:01:52,328 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-22 09:01:52,328 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 562) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-22 09:01:52,329 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-22 09:01:52,330 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 09:01:52,330 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,331 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-22 09:01:52,332 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-22 09:01:52,333 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,334 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,334 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,334 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-22 09:01:52,334 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-22 09:01:52,335 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-22 09:01:52,336 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-22 09:01:52,336 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-22 09:01:52,336 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-22 09:01:52,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:52 BoogieIcfgContainer [2019-10-22 09:01:52,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:52,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:52,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:52,355 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:52,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:41" (3/4) ... [2019-10-22 09:01:52,359 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:52,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:01:52,377 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:01:52,473 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ecca8507-b5f6-4b65-9ca3-6fb45670077e/bin/uautomizer/witness.graphml [2019-10-22 09:01:52,473 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:52,474 INFO L168 Benchmark]: Toolchain (without parser) took 12929.71 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 412.1 MB). Free memory was 940.5 MB in the beginning and 1.3 GB in the end (delta: -338.7 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,474 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:52,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,475 INFO L168 Benchmark]: Boogie Preprocessor took 69.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,475 INFO L168 Benchmark]: RCFGBuilder took 1260.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.7 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,476 INFO L168 Benchmark]: TraceAbstraction took 10783.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 280.0 MB). Free memory was 983.7 MB in the beginning and 1.3 GB in the end (delta: -321.6 MB). Peak memory consumption was 429.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,476 INFO L168 Benchmark]: Witness Printer took 117.69 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:52,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 594.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1260.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.7 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10783.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 280.0 MB). Free memory was 983.7 MB in the beginning and 1.3 GB in the end (delta: -321.6 MB). Peak memory consumption was 429.5 MB. Max. memory is 11.5 GB. * Witness Printer took 117.69 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 562]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((a17 == 8 && a28 == 7) && a21 == 1) || ((a28 == 9 && !(a19 == 1) && !(a28 == 11)) && a11 == 1)) || (((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1)) || (((!(a19 == 1) && !(a28 == 11)) && 8 <= a17) && a11 == 1)) || ((!(a25 == 1) && a17 <= 8) && a11 == 1)) || (((((!(10 == a28) && 8 <= a17) && a17 <= 8) && a25 == 1) && !(a28 == 9)) && !(a28 == 11))) || (((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a11 == 1)) || ((a28 == 7 && a17 <= 8) && a11 == 1)) || (!(10 == a28) && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a17 <= 8)) || ((((!(5 == input) && a17 == 8) && a19 == 1) && 10 == a28) && a21 == 1)) || (((((!(a19 == 1) && !(a28 == 11)) && 8 <= a17) && a17 <= 8) && a25 == 1) && !(a28 == 9))) || (((a28 == 9 && a17 == 8) && !(a25 == 1)) && a21 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((((a17 == 8 && a28 == 7) && a21 == 1) || ((a28 == 9 && !(a19 == 1) && !(a28 == 11)) && a11 == 1)) || (((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1)) || (((!(a19 == 1) && !(a28 == 11)) && 8 <= a17) && a11 == 1)) || ((!(a25 == 1) && a17 <= 8) && a11 == 1)) || (((((!(10 == a28) && 8 <= a17) && a17 <= 8) && a25 == 1) && !(a28 == 9)) && !(a28 == 11))) || (((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a11 == 1)) || ((a28 == 7 && a17 <= 8) && a11 == 1)) || (!(10 == a28) && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))) && a17 <= 8)) || ((((!(5 == input) && a17 == 8) && a19 == 1) && 10 == a28) && a21 == 1)) || (((((!(a19 == 1) && !(a28 == 11)) && 8 <= a17) && a17 <= 8) && a25 == 1) && !(a28 == 9))) || (((a28 == 9 && a17 == 8) && !(a25 == 1)) && a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 10.7s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 1262 SDtfs, 2480 SDslu, 295 SDs, 0 SdLazy, 6276 SolverSat, 996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 417 GetRequests, 381 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1994occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2023 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 423 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2042 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1232 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2332 NumberOfCodeBlocks, 2332 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2319 ConstructedInterpolants, 0 QuantifiedInterpolants, 1339968 SizeOfPredicates, 1 NumberOfNonLiveVariables, 641 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 890/896 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...