./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.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_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c -s /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/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 d443bde2b4ed91a040fe01a253a772dbee49a394 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:57:54,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:54,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:54,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:54,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:54,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:54,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:54,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:54,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:54,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:54,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:54,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:54,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:54,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:54,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:54,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:54,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:54,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:54,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:54,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:54,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:54,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:54,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:54,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:54,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:54,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:54,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:54,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:54,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:54,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:54,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:54,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:54,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:54,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:54,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:54,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:54,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:54,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:54,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:54,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:54,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:54,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:57:54,646 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:54,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:54,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:54,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:54,658 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:54,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:54,658 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:54,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:54,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:54,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:54,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:54,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:54,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:54,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:54,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:54,660 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:54,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:54,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:54,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:54,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:54,660 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:54,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:54,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:54,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:54,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:54,661 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:54,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:54,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:54,662 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_02fc2d67-252f-45be-a6ea-3b0843590b51/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 -> d443bde2b4ed91a040fe01a253a772dbee49a394 [2019-10-22 08:57:54,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:54,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:54,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:54,704 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:54,704 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:54,704 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-10-22 08:57:54,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/data/2a435cf14/d74992f148f84658b22d0ca3a77573b1/FLAG63be4acc2 [2019-10-22 08:57:55,305 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:55,306 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-10-22 08:57:55,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/data/2a435cf14/d74992f148f84658b22d0ca3a77573b1/FLAG63be4acc2 [2019-10-22 08:57:55,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/data/2a435cf14/d74992f148f84658b22d0ca3a77573b1 [2019-10-22 08:57:55,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:55,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:55,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:55,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:55,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:55,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ec2293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:55, skipping insertion in model container [2019-10-22 08:57:55,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:55" (1/1) ... [2019-10-22 08:57:55,545 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:55,608 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:56,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:56,309 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:56,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:56,523 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:56,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56 WrapperNode [2019-10-22 08:57:56,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:56,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:56,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:56,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:56,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:56,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:56,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:56,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:56,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (1/1) ... [2019-10-22 08:57:56,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:56,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:56,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:56,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:56,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/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 08:57:56,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:56,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:58,672 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:58,672 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:57:58,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:58 BoogieIcfgContainer [2019-10-22 08:57:58,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:58,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:58,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:58,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:58,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:55" (1/3) ... [2019-10-22 08:57:58,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db4a945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:58, skipping insertion in model container [2019-10-22 08:57:58,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:56" (2/3) ... [2019-10-22 08:57:58,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db4a945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:58, skipping insertion in model container [2019-10-22 08:57:58,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:58" (3/3) ... [2019-10-22 08:57:58,683 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label24.c [2019-10-22 08:57:58,691 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:58,697 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:57:58,710 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:57:58,741 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:58,741 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:58,741 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:58,741 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:58,741 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:58,741 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:58,741 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:58,741 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-10-22 08:57:58,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-22 08:57:58,780 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:58,781 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:57:58,783 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:58,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:58,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1612939027, now seen corresponding path program 1 times [2019-10-22 08:57:58,796 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:58,796 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496647569] [2019-10-22 08:57:58,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:58,797 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:58,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:59,391 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 08:57:59,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496647569] [2019-10-22 08:57:59,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:59,393 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:59,393 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840342332] [2019-10-22 08:57:59,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:59,397 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:59,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:59,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:59,414 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-10-22 08:58:01,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:01,198 INFO L93 Difference]: Finished difference Result 1023 states and 1861 transitions. [2019-10-22 08:58:01,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:01,200 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2019-10-22 08:58:01,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:01,224 INFO L225 Difference]: With dead ends: 1023 [2019-10-22 08:58:01,228 INFO L226 Difference]: Without dead ends: 654 [2019-10-22 08:58:01,233 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 08:58:01,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-10-22 08:58:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 652. [2019-10-22 08:58:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-10-22 08:58:01,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 964 transitions. [2019-10-22 08:58:01,311 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 964 transitions. Word has length 191 [2019-10-22 08:58:01,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:01,312 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 964 transitions. [2019-10-22 08:58:01,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 964 transitions. [2019-10-22 08:58:01,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-22 08:58:01,328 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:01,328 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:01,329 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:01,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:01,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1561555348, now seen corresponding path program 1 times [2019-10-22 08:58:01,329 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:01,329 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179996048] [2019-10-22 08:58:01,330 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:01,330 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:01,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:01,425 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179996048] [2019-10-22 08:58:01,426 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:01,426 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:01,426 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864783902] [2019-10-22 08:58:01,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:01,428 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:01,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:01,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:01,429 INFO L87 Difference]: Start difference. First operand 652 states and 964 transitions. Second operand 3 states. [2019-10-22 08:58:02,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:02,155 INFO L93 Difference]: Finished difference Result 1929 states and 2864 transitions. [2019-10-22 08:58:02,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:02,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-10-22 08:58:02,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:02,160 INFO L225 Difference]: With dead ends: 1929 [2019-10-22 08:58:02,161 INFO L226 Difference]: Without dead ends: 1279 [2019-10-22 08:58:02,163 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:02,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-10-22 08:58:02,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1265. [2019-10-22 08:58:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2019-10-22 08:58:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1832 transitions. [2019-10-22 08:58:02,204 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1832 transitions. Word has length 199 [2019-10-22 08:58:02,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:02,204 INFO L462 AbstractCegarLoop]: Abstraction has 1265 states and 1832 transitions. [2019-10-22 08:58:02,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1832 transitions. [2019-10-22 08:58:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-22 08:58:02,209 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:02,209 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:02,209 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:02,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:02,210 INFO L82 PathProgramCache]: Analyzing trace with hash -252433271, now seen corresponding path program 1 times [2019-10-22 08:58:02,210 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:02,210 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43391183] [2019-10-22 08:58:02,210 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:02,210 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:02,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:58:02,419 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43391183] [2019-10-22 08:58:02,419 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:02,419 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:02,419 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536834822] [2019-10-22 08:58:02,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:02,422 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:02,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:02,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:02,422 INFO L87 Difference]: Start difference. First operand 1265 states and 1832 transitions. Second operand 3 states. [2019-10-22 08:58:03,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:03,283 INFO L93 Difference]: Finished difference Result 3758 states and 5448 transitions. [2019-10-22 08:58:03,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:03,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-10-22 08:58:03,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:03,292 INFO L225 Difference]: With dead ends: 3758 [2019-10-22 08:58:03,292 INFO L226 Difference]: Without dead ends: 2495 [2019-10-22 08:58:03,294 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 08:58:03,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2019-10-22 08:58:03,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2493. [2019-10-22 08:58:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2019-10-22 08:58:03,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3402 transitions. [2019-10-22 08:58:03,345 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3402 transitions. Word has length 206 [2019-10-22 08:58:03,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:03,345 INFO L462 AbstractCegarLoop]: Abstraction has 2493 states and 3402 transitions. [2019-10-22 08:58:03,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3402 transitions. [2019-10-22 08:58:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-22 08:58:03,352 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:03,352 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:03,353 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:03,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:03,353 INFO L82 PathProgramCache]: Analyzing trace with hash -225243153, now seen corresponding path program 1 times [2019-10-22 08:58:03,353 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:03,353 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813399833] [2019-10-22 08:58:03,354 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:03,354 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:03,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:58:03,445 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813399833] [2019-10-22 08:58:03,445 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:03,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:03,446 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386656741] [2019-10-22 08:58:03,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:03,446 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:03,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:03,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:03,447 INFO L87 Difference]: Start difference. First operand 2493 states and 3402 transitions. Second operand 4 states. [2019-10-22 08:58:04,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:04,296 INFO L93 Difference]: Finished difference Result 4955 states and 6763 transitions. [2019-10-22 08:58:04,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:04,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2019-10-22 08:58:04,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:04,304 INFO L225 Difference]: With dead ends: 4955 [2019-10-22 08:58:04,304 INFO L226 Difference]: Without dead ends: 2464 [2019-10-22 08:58:04,307 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 08:58:04,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2019-10-22 08:58:04,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2464. [2019-10-22 08:58:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2464 states. [2019-10-22 08:58:04,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3263 transitions. [2019-10-22 08:58:04,353 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3263 transitions. Word has length 216 [2019-10-22 08:58:04,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:04,353 INFO L462 AbstractCegarLoop]: Abstraction has 2464 states and 3263 transitions. [2019-10-22 08:58:04,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:04,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3263 transitions. [2019-10-22 08:58:04,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-22 08:58:04,358 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:04,359 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:04,359 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:04,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:04,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1464925484, now seen corresponding path program 1 times [2019-10-22 08:58:04,359 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:04,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665653664] [2019-10-22 08:58:04,360 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:04,360 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:04,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:04,548 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:58:04,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665653664] [2019-10-22 08:58:04,548 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:04,548 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:04,548 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248400535] [2019-10-22 08:58:04,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:04,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:04,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:04,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:04,549 INFO L87 Difference]: Start difference. First operand 2464 states and 3263 transitions. Second operand 4 states. [2019-10-22 08:58:05,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:05,565 INFO L93 Difference]: Finished difference Result 9843 states and 13038 transitions. [2019-10-22 08:58:05,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:05,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2019-10-22 08:58:05,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:05,585 INFO L225 Difference]: With dead ends: 9843 [2019-10-22 08:58:05,586 INFO L226 Difference]: Without dead ends: 7381 [2019-10-22 08:58:05,589 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 08:58:05,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2019-10-22 08:58:05,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 7377. [2019-10-22 08:58:05,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-10-22 08:58:05,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 9720 transitions. [2019-10-22 08:58:05,709 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 9720 transitions. Word has length 218 [2019-10-22 08:58:05,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:05,710 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 9720 transitions. [2019-10-22 08:58:05,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:05,710 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 9720 transitions. [2019-10-22 08:58:05,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-22 08:58:05,718 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:05,718 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:05,719 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:05,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:05,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1826592161, now seen corresponding path program 1 times [2019-10-22 08:58:05,719 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:05,720 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309231619] [2019-10-22 08:58:05,720 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:05,720 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:05,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-22 08:58:05,797 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309231619] [2019-10-22 08:58:05,798 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:05,798 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:05,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686134258] [2019-10-22 08:58:05,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:05,799 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:05,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:05,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:05,800 INFO L87 Difference]: Start difference. First operand 7377 states and 9720 transitions. Second operand 3 states. [2019-10-22 08:58:06,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:06,530 INFO L93 Difference]: Finished difference Result 14758 states and 19450 transitions. [2019-10-22 08:58:06,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:06,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-10-22 08:58:06,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:06,543 INFO L225 Difference]: With dead ends: 14758 [2019-10-22 08:58:06,543 INFO L226 Difference]: Without dead ends: 7383 [2019-10-22 08:58:06,550 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 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 08:58:06,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2019-10-22 08:58:06,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7377. [2019-10-22 08:58:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-10-22 08:58:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 8865 transitions. [2019-10-22 08:58:06,648 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 8865 transitions. Word has length 222 [2019-10-22 08:58:06,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:06,649 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 8865 transitions. [2019-10-22 08:58:06,649 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:06,649 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 8865 transitions. [2019-10-22 08:58:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-10-22 08:58:06,655 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:06,655 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:06,655 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:06,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:06,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1919299954, now seen corresponding path program 1 times [2019-10-22 08:58:06,656 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:06,656 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907016643] [2019-10-22 08:58:06,656 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:06,656 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:06,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:58:06,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907016643] [2019-10-22 08:58:06,751 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:06,751 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:06,751 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212792370] [2019-10-22 08:58:06,751 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:06,751 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:06,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:06,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:06,752 INFO L87 Difference]: Start difference. First operand 7377 states and 8865 transitions. Second operand 3 states. [2019-10-22 08:58:07,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:07,513 INFO L93 Difference]: Finished difference Result 21872 states and 26317 transitions. [2019-10-22 08:58:07,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:07,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-10-22 08:58:07,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:07,541 INFO L225 Difference]: With dead ends: 21872 [2019-10-22 08:58:07,541 INFO L226 Difference]: Without dead ends: 14497 [2019-10-22 08:58:07,548 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 08:58:07,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14497 states. [2019-10-22 08:58:07,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14497 to 14488. [2019-10-22 08:58:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-10-22 08:58:07,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 17031 transitions. [2019-10-22 08:58:07,763 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 17031 transitions. Word has length 240 [2019-10-22 08:58:07,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:07,764 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 17031 transitions. [2019-10-22 08:58:07,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 17031 transitions. [2019-10-22 08:58:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-10-22 08:58:07,774 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:07,775 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:07,775 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:07,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:07,775 INFO L82 PathProgramCache]: Analyzing trace with hash 237647221, now seen corresponding path program 1 times [2019-10-22 08:58:07,775 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:07,776 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179910443] [2019-10-22 08:58:07,776 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:07,776 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:07,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:08,004 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:08,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179910443] [2019-10-22 08:58:08,006 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:08,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:08,006 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498129939] [2019-10-22 08:58:08,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:08,007 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:08,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:08,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:08,008 INFO L87 Difference]: Start difference. First operand 14488 states and 17031 transitions. Second operand 4 states. [2019-10-22 08:58:08,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:08,896 INFO L93 Difference]: Finished difference Result 28974 states and 34060 transitions. [2019-10-22 08:58:08,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:08,896 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 245 [2019-10-22 08:58:08,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:08,924 INFO L225 Difference]: With dead ends: 28974 [2019-10-22 08:58:08,924 INFO L226 Difference]: Without dead ends: 14488 [2019-10-22 08:58:08,934 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 08:58:08,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14488 states. [2019-10-22 08:58:09,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14488 to 14488. [2019-10-22 08:58:09,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-10-22 08:58:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 16609 transitions. [2019-10-22 08:58:09,093 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 16609 transitions. Word has length 245 [2019-10-22 08:58:09,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:09,094 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 16609 transitions. [2019-10-22 08:58:09,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:09,094 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 16609 transitions. [2019-10-22 08:58:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-10-22 08:58:09,101 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:09,102 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:09,102 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:09,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:09,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1556480726, now seen corresponding path program 1 times [2019-10-22 08:58:09,102 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:09,102 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760900258] [2019-10-22 08:58:09,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,103 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-22 08:58:09,196 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760900258] [2019-10-22 08:58:09,197 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:09,197 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:09,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699470400] [2019-10-22 08:58:09,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:09,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:09,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:09,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:09,198 INFO L87 Difference]: Start difference. First operand 14488 states and 16609 transitions. Second operand 3 states. [2019-10-22 08:58:10,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:10,130 INFO L93 Difference]: Finished difference Result 35718 states and 40926 transitions. [2019-10-22 08:58:10,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:10,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-10-22 08:58:10,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:10,165 INFO L225 Difference]: With dead ends: 35718 [2019-10-22 08:58:10,166 INFO L226 Difference]: Without dead ends: 21232 [2019-10-22 08:58:10,177 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:10,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21232 states. [2019-10-22 08:58:10,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21232 to 21227. [2019-10-22 08:58:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21227 states. [2019-10-22 08:58:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21227 states to 21227 states and 24282 transitions. [2019-10-22 08:58:10,416 INFO L78 Accepts]: Start accepts. Automaton has 21227 states and 24282 transitions. Word has length 253 [2019-10-22 08:58:10,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:10,416 INFO L462 AbstractCegarLoop]: Abstraction has 21227 states and 24282 transitions. [2019-10-22 08:58:10,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:10,416 INFO L276 IsEmpty]: Start isEmpty. Operand 21227 states and 24282 transitions. [2019-10-22 08:58:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-10-22 08:58:10,425 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:10,426 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:10,426 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:10,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:10,426 INFO L82 PathProgramCache]: Analyzing trace with hash 474797067, now seen corresponding path program 1 times [2019-10-22 08:58:10,427 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:10,427 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852228975] [2019-10-22 08:58:10,427 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:10,427 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:10,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-22 08:58:10,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852228975] [2019-10-22 08:58:10,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459200981] [2019-10-22 08:58:10,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/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 08:58:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:10,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:10,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:10,813 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-22 08:58:10,814 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:10,814 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2019-10-22 08:58:10,814 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198026804] [2019-10-22 08:58:10,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:10,815 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:10,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:10,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:10,815 INFO L87 Difference]: Start difference. First operand 21227 states and 24282 transitions. Second operand 3 states. [2019-10-22 08:58:11,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:11,661 INFO L93 Difference]: Finished difference Result 42470 states and 48598 transitions. [2019-10-22 08:58:11,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:11,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2019-10-22 08:58:11,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:11,694 INFO L225 Difference]: With dead ends: 42470 [2019-10-22 08:58:11,694 INFO L226 Difference]: Without dead ends: 21245 [2019-10-22 08:58:11,709 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:11,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21245 states. [2019-10-22 08:58:12,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21245 to 20618. [2019-10-22 08:58:12,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20618 states. [2019-10-22 08:58:12,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20618 states to 20618 states and 23185 transitions. [2019-10-22 08:58:12,210 INFO L78 Accepts]: Start accepts. Automaton has 20618 states and 23185 transitions. Word has length 260 [2019-10-22 08:58:12,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:12,211 INFO L462 AbstractCegarLoop]: Abstraction has 20618 states and 23185 transitions. [2019-10-22 08:58:12,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:12,211 INFO L276 IsEmpty]: Start isEmpty. Operand 20618 states and 23185 transitions. [2019-10-22 08:58:12,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-10-22 08:58:12,225 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:12,226 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:58:12,426 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:12,427 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:12,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:12,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1666597647, now seen corresponding path program 1 times [2019-10-22 08:58:12,427 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:12,428 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161774941] [2019-10-22 08:58:12,428 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:12,428 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:12,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-22 08:58:12,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161774941] [2019-10-22 08:58:12,587 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286589162] [2019-10-22 08:58:12,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/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 08:58:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:12,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 08:58:12,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-22 08:58:12,770 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:12,770 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-10-22 08:58:12,770 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557335153] [2019-10-22 08:58:12,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:12,771 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:12,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:12,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:12,771 INFO L87 Difference]: Start difference. First operand 20618 states and 23185 transitions. Second operand 3 states. [2019-10-22 08:58:13,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:13,600 INFO L93 Difference]: Finished difference Result 55276 states and 62224 transitions. [2019-10-22 08:58:13,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:13,601 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2019-10-22 08:58:13,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:13,655 INFO L225 Difference]: With dead ends: 55276 [2019-10-22 08:58:13,655 INFO L226 Difference]: Without dead ends: 34660 [2019-10-22 08:58:13,671 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34660 states. [2019-10-22 08:58:14,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34660 to 34625. [2019-10-22 08:58:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34625 states. [2019-10-22 08:58:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34625 states to 34625 states and 38656 transitions. [2019-10-22 08:58:14,100 INFO L78 Accepts]: Start accepts. Automaton has 34625 states and 38656 transitions. Word has length 270 [2019-10-22 08:58:14,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:14,101 INFO L462 AbstractCegarLoop]: Abstraction has 34625 states and 38656 transitions. [2019-10-22 08:58:14,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:14,101 INFO L276 IsEmpty]: Start isEmpty. Operand 34625 states and 38656 transitions. [2019-10-22 08:58:14,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-10-22 08:58:14,333 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:14,333 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:14,533 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:14,534 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:14,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:14,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1954846457, now seen corresponding path program 1 times [2019-10-22 08:58:14,535 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:14,535 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456224170] [2019-10-22 08:58:14,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:14,535 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:14,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:14,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456224170] [2019-10-22 08:58:14,855 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372958957] [2019-10-22 08:58:14,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:14,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:14,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-22 08:58:15,059 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:15,059 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-10-22 08:58:15,059 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823291611] [2019-10-22 08:58:15,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:15,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:15,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:15,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:58:15,060 INFO L87 Difference]: Start difference. First operand 34625 states and 38656 transitions. Second operand 3 states. [2019-10-22 08:58:15,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:15,988 INFO L93 Difference]: Finished difference Result 69874 states and 77969 transitions. [2019-10-22 08:58:15,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:15,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-10-22 08:58:15,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:15,989 INFO L225 Difference]: With dead ends: 69874 [2019-10-22 08:58:15,989 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:16,010 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:58:16,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:16,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:16,011 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2019-10-22 08:58:16,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:16,012 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:16,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:16,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:16,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:16,213 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:16,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:58:16,408 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-10-22 08:58:16,546 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-10-22 08:58:16,903 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-10-22 08:58:17,251 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-10-22 08:58:17,253 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-10-22 08:58:17,254 INFO L443 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-10-22 08:58:17,254 INFO L443 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,254 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,254 INFO L443 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,254 INFO L443 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,254 INFO L443 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,254 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,254 INFO L443 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,254 INFO L443 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-10-22 08:58:17,254 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,255 INFO L443 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,256 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,257 INFO L443 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,258 INFO L443 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,258 INFO L443 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-10-22 08:58:17,258 INFO L443 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-10-22 08:58:17,258 INFO L443 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-10-22 08:58:17,258 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,258 INFO L443 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,258 INFO L443 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,258 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-10-22 08:58:17,259 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,259 INFO L443 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-10-22 08:58:17,259 INFO L443 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,260 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,261 INFO L443 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,262 INFO L443 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,262 INFO L443 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,262 INFO L443 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-10-22 08:58:17,262 INFO L443 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-10-22 08:58:17,262 INFO L443 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-10-22 08:58:17,262 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,262 INFO L443 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,262 INFO L443 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,263 INFO L443 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,263 INFO L443 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,263 INFO L443 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,263 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,263 INFO L443 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,263 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,263 INFO L443 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-10-22 08:58:17,263 INFO L443 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,264 INFO L443 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-10-22 08:58:17,265 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,266 INFO L443 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-10-22 08:58:17,266 INFO L443 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,266 INFO L443 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-10-22 08:58:17,266 INFO L443 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,266 INFO L443 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,266 INFO L443 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-10-22 08:58:17,266 INFO L443 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-10-22 08:58:17,266 INFO L443 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-10-22 08:58:17,267 INFO L443 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-10-22 08:58:17,267 INFO L443 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-10-22 08:58:17,267 INFO L443 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-10-22 08:58:17,267 INFO L443 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-10-22 08:58:17,267 INFO L443 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,267 INFO L443 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,267 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,268 INFO L439 ceAbstractionStarter]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse6 (= 1 ~a3~0)) (.cse0 (<= ~a3~0 0)) (.cse5 (= ~a27~0 1)) (.cse2 (= 1 ~a6~0)) (.cse7 (= ~a12~0 1)) (.cse10 (= ~a26~0 1)) (.cse9 (not (= 0 ~a3~0))) (.cse4 (<= ~a6~0 0)) (.cse1 (<= ~a12~0 0)) (.cse3 (= ~a5~0 1)) (.cse8 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse4 .cse6 .cse7 .cse3 .cse8) (and .cse9 .cse5 .cse2 .cse7 .cse3) (and .cse5 .cse2 .cse7 .cse3 (= ~a15~0 1)) (and .cse0 .cse4 .cse7 .cse3 .cse8) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse7 .cse3 .cse10) (and .cse6 .cse2 .cse7 .cse3 .cse8) (and .cse4 .cse5 .cse7 .cse3 .cse10) (and .cse0 .cse2 .cse7 .cse3 .cse8) (and .cse9 .cse4 .cse5 .cse7 .cse3) (and .cse1 .cse2 .cse3 .cse8) (and .cse4 .cse1 .cse3 .cse10 .cse8) (and (not (= ~a7~0 1)) .cse2 (= 1 ~a10~0) .cse7 .cse3 .cse8) (and .cse2 .cse7 .cse3 .cse10 .cse8) (and .cse4 .cse7 .cse3 .cse10 .cse8) (and .cse9 .cse4 .cse1 .cse3 .cse8))) [2019-10-22 08:58:17,268 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,268 INFO L443 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,268 INFO L443 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,268 INFO L443 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-10-22 08:58:17,268 INFO L443 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-10-22 08:58:17,268 INFO L443 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L446 ceAbstractionStarter]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-10-22 08:58:17,269 INFO L443 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-10-22 08:58:17,270 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,270 INFO L443 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,270 INFO L443 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,270 INFO L443 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,270 INFO L443 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,270 INFO L443 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,270 INFO L443 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,270 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,270 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,271 INFO L443 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-10-22 08:58:17,271 INFO L443 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-10-22 08:58:17,271 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,271 INFO L443 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,271 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-10-22 08:58:17,271 INFO L443 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-10-22 08:58:17,271 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,272 INFO L439 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse6 (= 1 ~a3~0)) (.cse0 (<= ~a3~0 0)) (.cse5 (= ~a27~0 1)) (.cse2 (= 1 ~a6~0)) (.cse7 (= ~a12~0 1)) (.cse10 (= ~a26~0 1)) (.cse9 (not (= 0 ~a3~0))) (.cse4 (<= ~a6~0 0)) (.cse1 (<= ~a12~0 0)) (.cse3 (= ~a5~0 1)) (.cse8 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse4 .cse6 .cse7 .cse3 .cse8) (and .cse9 .cse5 .cse2 .cse7 .cse3) (and .cse5 .cse2 .cse7 .cse3 (= ~a15~0 1)) (and .cse0 .cse4 .cse7 .cse3 .cse8) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse7 .cse3 .cse10) (and .cse6 .cse2 .cse7 .cse3 .cse8) (and .cse4 .cse5 .cse7 .cse3 .cse10) (and .cse0 .cse2 .cse7 .cse3 .cse8) (and .cse9 .cse4 .cse5 .cse7 .cse3) (and .cse1 .cse2 .cse3 .cse8) (and .cse4 .cse1 .cse3 .cse10 .cse8) (and (not (= ~a7~0 1)) .cse2 (= 1 ~a10~0) .cse7 .cse3 .cse8) (and .cse2 .cse7 .cse3 .cse10 .cse8) (and .cse4 .cse7 .cse3 .cse10 .cse8) (and .cse9 .cse4 .cse1 .cse3 .cse8))) [2019-10-22 08:58:17,272 INFO L443 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,272 INFO L443 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,272 INFO L443 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,272 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,272 INFO L443 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-10-22 08:58:17,272 INFO L443 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-10-22 08:58:17,272 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,272 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,272 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,272 INFO L443 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,273 INFO L443 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-10-22 08:58:17,274 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,274 INFO L443 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,274 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,274 INFO L443 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,274 INFO L443 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,274 INFO L443 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-10-22 08:58:17,274 INFO L443 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,274 INFO L443 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-10-22 08:58:17,275 INFO L443 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-10-22 08:58:17,275 INFO L443 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-10-22 08:58:17,275 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,275 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,275 INFO L443 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,275 INFO L443 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,275 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,275 INFO L443 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,275 INFO L443 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,276 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,277 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,278 INFO L443 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,278 INFO L443 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,278 INFO L443 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,278 INFO L443 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,278 INFO L443 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-10-22 08:58:17,278 INFO L443 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-10-22 08:58:17,278 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,278 INFO L443 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-10-22 08:58:17,279 INFO L443 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-10-22 08:58:17,279 INFO L443 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-10-22 08:58:17,279 INFO L443 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,279 INFO L443 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,279 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,279 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,279 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,280 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,281 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1608) no Hoare annotation was computed. [2019-10-22 08:58:17,281 INFO L443 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,281 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,281 INFO L443 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,281 INFO L443 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,282 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,283 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,284 INFO L443 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,284 INFO L443 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,284 INFO L443 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-10-22 08:58:17,284 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,284 INFO L443 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-10-22 08:58:17,284 INFO L443 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-10-22 08:58:17,284 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,284 INFO L443 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-10-22 08:58:17,284 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-10-22 08:58:17,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:17 BoogieIcfgContainer [2019-10-22 08:58:17,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:17,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:17,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:17,307 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:17,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:58" (3/4) ... [2019-10-22 08:58:17,311 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:17,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:58:17,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:58:17,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_02fc2d67-252f-45be-a6ea-3b0843590b51/bin/uautomizer/witness.graphml [2019-10-22 08:58:17,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:17,591 INFO L168 Benchmark]: Toolchain (without parser) took 22060.65 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 969.4 MB). Free memory was 944.7 MB in the beginning and 879.7 MB in the end (delta: 65.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2019-10-22 08:58:17,591 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:17,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 992.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:17,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.76 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:17,592 INFO L168 Benchmark]: Boogie Preprocessor took 106.83 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:17,592 INFO L168 Benchmark]: RCFGBuilder took 1917.10 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: 22.4 MB). Peak memory consumption was 194.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:17,593 INFO L168 Benchmark]: TraceAbstraction took 18632.64 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 791.2 MB). Free memory was 1.1 GB in the beginning and 926.1 MB in the end (delta: 135.7 MB). Peak memory consumption was 926.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:17,593 INFO L168 Benchmark]: Witness Printer took 282.36 ms. Allocated memory is still 2.0 GB. Free memory was 926.1 MB in the beginning and 879.7 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:17,595 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 992.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.76 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 106.83 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1917.10 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: 22.4 MB). Peak memory consumption was 194.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18632.64 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 791.2 MB). Free memory was 1.1 GB in the beginning and 926.1 MB in the end (delta: 135.7 MB). Peak memory consumption was 926.8 MB. Max. memory is 11.5 GB. * Witness Printer took 282.36 ms. Allocated memory is still 2.0 GB. Free memory was 926.1 MB in the beginning and 879.7 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1608]: 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: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: (((((((((((((((((((a3 <= 0 && a12 <= 0) && 1 == a6) && a5 == 1) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && a5 == 1)) || ((((a6 <= 0 && 1 == a3) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((!(0 == a3) && a27 == 1) && 1 == a6) && a12 == 1) && a5 == 1)) || ((((a27 == 1 && 1 == a6) && a12 == 1) && a5 == 1) && a15 == 1)) || ((((a3 <= 0 && a6 <= 0) && a12 == 1) && a5 == 1) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a6) && a5 == 1)) || ((((a27 == 1 && 1 == a6) && a12 == 1) && a5 == 1) && a26 == 1)) || ((((1 == a3 && 1 == a6) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && a12 == 1) && a5 == 1) && a26 == 1)) || ((((a3 <= 0 && 1 == a6) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && a12 == 1) && a5 == 1)) || (((a12 <= 0 && 1 == a6) && a5 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && a5 == 1) && a26 == 1) && a27 <= 0)) || (((((!(a7 == 1) && 1 == a6) && 1 == a10) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((1 == a6 && a12 == 1) && a5 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 == 1) && a5 == 1) && a26 == 1) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && a5 == 1) && a27 <= 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((((((((((((((((a3 <= 0 && a12 <= 0) && 1 == a6) && a5 == 1) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && a5 == 1)) || ((((a6 <= 0 && 1 == a3) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((!(0 == a3) && a27 == 1) && 1 == a6) && a12 == 1) && a5 == 1)) || ((((a27 == 1 && 1 == a6) && a12 == 1) && a5 == 1) && a15 == 1)) || ((((a3 <= 0 && a6 <= 0) && a12 == 1) && a5 == 1) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a6) && a5 == 1)) || ((((a27 == 1 && 1 == a6) && a12 == 1) && a5 == 1) && a26 == 1)) || ((((1 == a3 && 1 == a6) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && a12 == 1) && a5 == 1) && a26 == 1)) || ((((a3 <= 0 && 1 == a6) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && a12 == 1) && a5 == 1)) || (((a12 <= 0 && 1 == a6) && a5 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && a5 == 1) && a26 == 1) && a27 <= 0)) || (((((!(a7 == 1) && 1 == a6) && 1 == a10) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((1 == a6 && a12 == 1) && a5 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 == 1) && a5 == 1) && a26 == 1) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && a5 == 1) && a27 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 18.5s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 2294 SDtfs, 3303 SDslu, 295 SDs, 0 SdLazy, 8498 SolverSat, 1746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 823 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34625occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 704 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 352 NumberOfFragments, 569 HoareAnnotationTreeSize, 3 FomulaSimplifications, 7128 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 354 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 3618 NumberOfCodeBlocks, 3618 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3603 ConstructedInterpolants, 0 QuantifiedInterpolants, 1933145 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1507 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 1099/1113 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...