./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 848d030cccdff5a4ae4d83a1350fa05a55064ab8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:59:49,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:59:49,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:59:49,536 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:59:49,536 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:59:49,537 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:59:49,537 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:59:49,539 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:59:49,540 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:59:49,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:59:49,541 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:59:49,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:59:49,542 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:59:49,543 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:59:49,543 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:59:49,544 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:59:49,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:59:49,546 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:59:49,547 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:59:49,548 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:59:49,549 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:59:49,550 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:59:49,551 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:59:49,551 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:59:49,551 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:59:49,552 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:59:49,553 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:59:49,553 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:59:49,554 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:59:49,555 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:59:49,555 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:59:49,555 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:59:49,555 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:59:49,556 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:59:49,556 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:59:49,557 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:59:49,557 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:59:49,566 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:59:49,566 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:59:49,566 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:59:49,567 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:59:49,567 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:59:49,567 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:59:49,567 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:59:49,567 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:59:49,567 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:59:49,567 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:59:49,567 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:59:49,568 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:59:49,568 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:59:49,568 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:59:49,568 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:59:49,568 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:59:49,569 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:59:49,569 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:59:49,569 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:59:49,569 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:59:49,569 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:59:49,569 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:59:49,569 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:59:49,570 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:59:49,570 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:59:49,570 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:59:49,570 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:59:49,570 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:59:49,570 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:59:49,570 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:59:49,570 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:59:49,571 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:59:49,571 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:59:49,571 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:59:49,571 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:59:49,571 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:59:49,571 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:59:49,571 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan 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 -> Taipan 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 -> 848d030cccdff5a4ae4d83a1350fa05a55064ab8 [2018-11-18 14:59:49,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:59:49,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:59:49,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:59:49,605 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:59:49,605 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:59:49,606 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c [2018-11-18 14:59:49,641 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/data/459997047/e8b89a5057db47838ed6de90b56a5870/FLAGaae7ade0d [2018-11-18 14:59:50,034 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:59:50,034 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c [2018-11-18 14:59:50,046 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/data/459997047/e8b89a5057db47838ed6de90b56a5870/FLAGaae7ade0d [2018-11-18 14:59:50,057 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/data/459997047/e8b89a5057db47838ed6de90b56a5870 [2018-11-18 14:59:50,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:59:50,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:59:50,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:59:50,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:59:50,063 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:59:50,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75654020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50, skipping insertion in model container [2018-11-18 14:59:50,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:59:50,114 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:59:50,442 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:59:50,445 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:59:50,543 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:59:50,553 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:59:50,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50 WrapperNode [2018-11-18 14:59:50,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:59:50,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:59:50,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:59:50,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:59:50,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:59:50,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:59:50,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:59:50,667 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:59:50,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (1/1) ... [2018-11-18 14:59:50,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:59:50,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:59:50,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:59:50,728 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:59:50,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/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 [2018-11-18 14:59:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:59:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:59:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:59:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:59:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:59:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:59:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:59:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:59:50,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:59:51,874 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:59:51,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:59:51 BoogieIcfgContainer [2018-11-18 14:59:51,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:59:51,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:59:51,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:59:51,878 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:59:51,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:59:50" (1/3) ... [2018-11-18 14:59:51,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581203ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:59:51, skipping insertion in model container [2018-11-18 14:59:51,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:59:50" (2/3) ... [2018-11-18 14:59:51,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581203ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:59:51, skipping insertion in model container [2018-11-18 14:59:51,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:59:51" (3/3) ... [2018-11-18 14:59:51,880 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label26_true-unreach-call.c [2018-11-18 14:59:51,887 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:59:51,895 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:59:51,905 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:59:51,929 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:59:51,929 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:59:51,929 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:59:51,929 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:59:51,930 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:59:51,930 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:59:51,930 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:59:51,930 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:59:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-18 14:59:51,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:59:51,956 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:51,956 INFO L375 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] [2018-11-18 14:59:51,958 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:51,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:51,962 INFO L82 PathProgramCache]: Analyzing trace with hash -242196732, now seen corresponding path program 1 times [2018-11-18 14:59:51,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:51,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:51,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:51,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:51,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:52,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:52,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:59:52,189 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:52,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:59:52,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:59:52,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:59:52,204 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 3 states. [2018-11-18 14:59:53,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:53,108 INFO L93 Difference]: Finished difference Result 782 states and 1372 transitions. [2018-11-18 14:59:53,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:59:53,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-18 14:59:53,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:53,123 INFO L225 Difference]: With dead ends: 782 [2018-11-18 14:59:53,123 INFO L226 Difference]: Without dead ends: 487 [2018-11-18 14:59:53,128 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:59:53,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-11-18 14:59:53,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 482. [2018-11-18 14:59:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-18 14:59:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 843 transitions. [2018-11-18 14:59:53,174 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 843 transitions. Word has length 46 [2018-11-18 14:59:53,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:53,175 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 843 transitions. [2018-11-18 14:59:53,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:59:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 843 transitions. [2018-11-18 14:59:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 14:59:53,179 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:53,179 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:59:53,179 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:53,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:53,180 INFO L82 PathProgramCache]: Analyzing trace with hash -567234993, now seen corresponding path program 1 times [2018-11-18 14:59:53,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:53,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:53,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:53,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:53,181 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:53,435 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:59:53,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:59:53,435 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:59:53,435 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:53,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:59:53,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:59:53,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:59:53,437 INFO L87 Difference]: Start difference. First operand 482 states and 843 transitions. Second operand 7 states. [2018-11-18 14:59:55,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:59:55,537 INFO L93 Difference]: Finished difference Result 1760 states and 3239 transitions. [2018-11-18 14:59:55,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 14:59:55,537 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2018-11-18 14:59:55,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:59:55,546 INFO L225 Difference]: With dead ends: 1760 [2018-11-18 14:59:55,547 INFO L226 Difference]: Without dead ends: 1284 [2018-11-18 14:59:55,551 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-11-18 14:59:55,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2018-11-18 14:59:55,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1037. [2018-11-18 14:59:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2018-11-18 14:59:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1685 transitions. [2018-11-18 14:59:55,596 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1685 transitions. Word has length 121 [2018-11-18 14:59:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:59:55,596 INFO L480 AbstractCegarLoop]: Abstraction has 1037 states and 1685 transitions. [2018-11-18 14:59:55,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:59:55,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1685 transitions. [2018-11-18 14:59:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 14:59:55,600 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:59:55,600 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:59:55,600 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:59:55,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:55,601 INFO L82 PathProgramCache]: Analyzing trace with hash -2085119040, now seen corresponding path program 1 times [2018-11-18 14:59:55,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:59:55,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:55,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:59:55,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:59:55,602 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:59:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:59:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 78 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 14:59:55,747 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:59:55,747 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:59:55,748 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-11-18 14:59:55,750 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [514], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 14:59:55,783 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:59:55,783 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:59:56,148 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:59:56,149 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Performed 839 root evaluator evaluations with a maximum evaluation depth of 14. Performed 839 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-11-18 14:59:56,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:59:56,166 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:59:56,509 INFO L227 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 73.54% of their original sizes. [2018-11-18 14:59:56,509 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:59:56,530 INFO L415 sIntCurrentIteration]: We unified 193 AI predicates to 193 [2018-11-18 14:59:56,530 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:59:56,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:59:56,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 14:59:56,531 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:59:56,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:59:56,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:59:56,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:59:56,532 INFO L87 Difference]: Start difference. First operand 1037 states and 1685 transitions. Second operand 6 states. [2018-11-18 15:00:26,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:00:26,423 INFO L93 Difference]: Finished difference Result 2260 states and 3574 transitions. [2018-11-18 15:00:26,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:00:26,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2018-11-18 15:00:26,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:00:26,426 INFO L225 Difference]: With dead ends: 2260 [2018-11-18 15:00:26,426 INFO L226 Difference]: Without dead ends: 1229 [2018-11-18 15:00:26,428 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 194 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:00:26,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2018-11-18 15:00:26,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1227. [2018-11-18 15:00:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2018-11-18 15:00:26,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1883 transitions. [2018-11-18 15:00:26,447 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1883 transitions. Word has length 194 [2018-11-18 15:00:26,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:00:26,447 INFO L480 AbstractCegarLoop]: Abstraction has 1227 states and 1883 transitions. [2018-11-18 15:00:26,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:00:26,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1883 transitions. [2018-11-18 15:00:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 15:00:26,450 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:00:26,450 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:00:26,450 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:00:26,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:00:26,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1893502118, now seen corresponding path program 1 times [2018-11-18 15:00:26,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:00:26,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:00:26,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:00:26,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:00:26,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:00:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:00:26,704 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 82 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:00:26,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:00:26,705 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:00:26,705 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 239 with the following transitions: [2018-11-18 15:00:26,705 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:00:26,709 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:00:26,710 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:00:27,184 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:00:27,184 INFO L272 AbstractInterpreter]: Visited 126 different actions 372 times. Merged at 7 different actions 18 times. Never widened. Performed 4883 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4883 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 15:00:27,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:00:27,199 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:00:27,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:00:27,199 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:00:27,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:00:27,224 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:00:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:00:27,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:00:28,067 WARN L180 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 1344 DAG size of output: 51 [2018-11-18 15:00:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 72 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:00:28,245 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:00:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 15:00:28,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:00:28,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 9] total 18 [2018-11-18 15:00:28,573 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:00:28,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:00:28,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:00:28,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-11-18 15:00:28,574 INFO L87 Difference]: Start difference. First operand 1227 states and 1883 transitions. Second operand 3 states. [2018-11-18 15:00:29,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:00:29,149 INFO L93 Difference]: Finished difference Result 2951 states and 4855 transitions. [2018-11-18 15:00:29,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:00:29,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2018-11-18 15:00:29,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:00:29,156 INFO L225 Difference]: With dead ends: 2951 [2018-11-18 15:00:29,156 INFO L226 Difference]: Without dead ends: 1920 [2018-11-18 15:00:29,159 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 470 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-11-18 15:00:29,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2018-11-18 15:00:29,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1745. [2018-11-18 15:00:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1745 states. [2018-11-18 15:00:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2611 transitions. [2018-11-18 15:00:29,184 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2611 transitions. Word has length 238 [2018-11-18 15:00:29,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:00:29,185 INFO L480 AbstractCegarLoop]: Abstraction has 1745 states and 2611 transitions. [2018-11-18 15:00:29,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:00:29,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2611 transitions. [2018-11-18 15:00:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 15:00:29,187 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:00:29,187 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:00:29,188 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:00:29,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:00:29,188 INFO L82 PathProgramCache]: Analyzing trace with hash -583065927, now seen corresponding path program 1 times [2018-11-18 15:00:29,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:00:29,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:00:29,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:00:29,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:00:29,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:00:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:00:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:00:29,307 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:00:29,307 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:00:29,307 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-11-18 15:00:29,307 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:00:29,310 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:00:29,310 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:00:29,464 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:00:29,464 INFO L272 AbstractInterpreter]: Visited 125 different actions 244 times. Merged at 5 different actions 5 times. Never widened. Performed 3097 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 15:00:29,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:00:29,478 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:00:29,660 INFO L227 lantSequenceWeakener]: Weakened 246 states. On average, predicates are now at 75.36% of their original sizes. [2018-11-18 15:00:29,660 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:00:29,724 INFO L415 sIntCurrentIteration]: We unified 248 AI predicates to 248 [2018-11-18 15:00:29,724 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:00:29,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:00:29,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 15:00:29,725 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:00:29,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:00:29,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:00:29,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:00:29,726 INFO L87 Difference]: Start difference. First operand 1745 states and 2611 transitions. Second operand 10 states. [2018-11-18 15:01:30,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:01:30,337 INFO L93 Difference]: Finished difference Result 3871 states and 5933 transitions. [2018-11-18 15:01:30,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 15:01:30,337 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 249 [2018-11-18 15:01:30,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:01:30,344 INFO L225 Difference]: With dead ends: 3871 [2018-11-18 15:01:30,344 INFO L226 Difference]: Without dead ends: 2322 [2018-11-18 15:01:30,348 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 257 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:01:30,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2018-11-18 15:01:30,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2318. [2018-11-18 15:01:30,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2018-11-18 15:01:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3260 transitions. [2018-11-18 15:01:30,391 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3260 transitions. Word has length 249 [2018-11-18 15:01:30,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:01:30,391 INFO L480 AbstractCegarLoop]: Abstraction has 2318 states and 3260 transitions. [2018-11-18 15:01:30,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:01:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3260 transitions. [2018-11-18 15:01:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 15:01:30,397 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:01:30,397 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:01:30,397 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:01:30,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:01:30,398 INFO L82 PathProgramCache]: Analyzing trace with hash -167658321, now seen corresponding path program 1 times [2018-11-18 15:01:30,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:01:30,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:30,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:01:30,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:01:30,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:01:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:01:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 15:01:30,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:01:30,597 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:01:30,597 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 279 with the following transitions: [2018-11-18 15:01:30,597 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:01:30,600 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:01:30,600 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:01:30,844 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:01:30,844 INFO L272 AbstractInterpreter]: Visited 141 different actions 420 times. Merged at 7 different actions 21 times. Never widened. Performed 5809 root evaluator evaluations with a maximum evaluation depth of 13. Performed 5809 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 15:01:30,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:01:30,852 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:01:30,852 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:01:30,852 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:01:30,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:01:30,860 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:01:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:01:30,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:01:33,475 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 79 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:01:33,475 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:01:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:01:33,619 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:01:33,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 12 [2018-11-18 15:01:33,619 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:01:33,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:01:33,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:01:33,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=96, Unknown=2, NotChecked=0, Total=132 [2018-11-18 15:01:33,620 INFO L87 Difference]: Start difference. First operand 2318 states and 3260 transitions. Second operand 10 states. [2018-11-18 15:02:35,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:02:35,060 INFO L93 Difference]: Finished difference Result 7789 states and 12517 transitions. [2018-11-18 15:02:35,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 15:02:35,060 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 278 [2018-11-18 15:02:35,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:02:35,086 INFO L225 Difference]: With dead ends: 7789 [2018-11-18 15:02:35,086 INFO L226 Difference]: Without dead ends: 5862 [2018-11-18 15:02:35,100 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 582 GetRequests, 550 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=222, Invalid=635, Unknown=13, NotChecked=0, Total=870 [2018-11-18 15:02:35,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5862 states. [2018-11-18 15:02:35,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5862 to 5755. [2018-11-18 15:02:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5755 states. [2018-11-18 15:02:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5755 states to 5755 states and 8542 transitions. [2018-11-18 15:02:35,248 INFO L78 Accepts]: Start accepts. Automaton has 5755 states and 8542 transitions. Word has length 278 [2018-11-18 15:02:35,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:02:35,249 INFO L480 AbstractCegarLoop]: Abstraction has 5755 states and 8542 transitions. [2018-11-18 15:02:35,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:02:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 5755 states and 8542 transitions. [2018-11-18 15:02:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 15:02:35,258 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:02:35,259 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:02:35,259 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:02:35,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:02:35,259 INFO L82 PathProgramCache]: Analyzing trace with hash 703495482, now seen corresponding path program 1 times [2018-11-18 15:02:35,259 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:02:35,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:02:35,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:02:35,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:02:35,260 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:02:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:02:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 176 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:02:35,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:02:35,440 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:02:35,441 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 295 with the following transitions: [2018-11-18 15:02:35,441 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:02:35,444 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:02:35,444 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:02:35,575 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:02:35,575 INFO L272 AbstractInterpreter]: Visited 156 different actions 306 times. Merged at 5 different actions 5 times. Never widened. Performed 4022 root evaluator evaluations with a maximum evaluation depth of 8. Performed 4022 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 15:02:35,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:02:35,578 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:02:35,808 INFO L227 lantSequenceWeakener]: Weakened 291 states. On average, predicates are now at 75.31% of their original sizes. [2018-11-18 15:02:35,808 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:02:35,888 INFO L415 sIntCurrentIteration]: We unified 293 AI predicates to 293 [2018-11-18 15:02:35,888 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:02:35,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:02:35,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 15:02:35,889 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:02:35,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:02:35,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:02:35,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:02:35,889 INFO L87 Difference]: Start difference. First operand 5755 states and 8542 transitions. Second operand 10 states. [2018-11-18 15:03:02,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:03:02,525 INFO L93 Difference]: Finished difference Result 12294 states and 19084 transitions. [2018-11-18 15:03:02,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 15:03:02,525 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 294 [2018-11-18 15:03:02,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:03:02,541 INFO L225 Difference]: With dead ends: 12294 [2018-11-18 15:03:02,541 INFO L226 Difference]: Without dead ends: 8071 [2018-11-18 15:03:02,550 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 302 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:03:02,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8071 states. [2018-11-18 15:03:02,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8071 to 7863. [2018-11-18 15:03:02,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7863 states. [2018-11-18 15:03:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7863 states to 7863 states and 11059 transitions. [2018-11-18 15:03:02,645 INFO L78 Accepts]: Start accepts. Automaton has 7863 states and 11059 transitions. Word has length 294 [2018-11-18 15:03:02,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:03:02,646 INFO L480 AbstractCegarLoop]: Abstraction has 7863 states and 11059 transitions. [2018-11-18 15:03:02,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:03:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 7863 states and 11059 transitions. [2018-11-18 15:03:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 15:03:02,654 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:03:02,655 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 15:03:02,655 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:03:02,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:03:02,655 INFO L82 PathProgramCache]: Analyzing trace with hash -92905283, now seen corresponding path program 1 times [2018-11-18 15:03:02,655 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:03:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:02,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:03:02,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:02,656 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:03:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:03:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:03:02,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:03:02,798 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:03:02,798 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 324 with the following transitions: [2018-11-18 15:03:02,799 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:03:02,801 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:03:02,801 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:03:03,226 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:03:03,226 INFO L272 AbstractInterpreter]: Visited 127 different actions 375 times. Merged at 7 different actions 18 times. Never widened. Performed 4937 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4937 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 15:03:03,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:03:03,230 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:03:03,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:03:03,230 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:03:03,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:03:03,236 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:03:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:03:03,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:03:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-11-18 15:03:03,327 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:03:03,379 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-11-18 15:03:03,395 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:03:03,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 15:03:03,395 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:03:03,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:03:03,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:03:03,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:03:03,396 INFO L87 Difference]: Start difference. First operand 7863 states and 11059 transitions. Second operand 3 states. [2018-11-18 15:03:03,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:03:03,968 INFO L93 Difference]: Finished difference Result 15638 states and 23281 transitions. [2018-11-18 15:03:03,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:03:03,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2018-11-18 15:03:03,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:03:03,993 INFO L225 Difference]: With dead ends: 15638 [2018-11-18 15:03:03,993 INFO L226 Difference]: Without dead ends: 9495 [2018-11-18 15:03:04,008 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 645 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:03:04,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9495 states. [2018-11-18 15:03:04,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9495 to 9300. [2018-11-18 15:03:04,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9300 states. [2018-11-18 15:03:04,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9300 states to 9300 states and 12914 transitions. [2018-11-18 15:03:04,168 INFO L78 Accepts]: Start accepts. Automaton has 9300 states and 12914 transitions. Word has length 323 [2018-11-18 15:03:04,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:03:04,168 INFO L480 AbstractCegarLoop]: Abstraction has 9300 states and 12914 transitions. [2018-11-18 15:03:04,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:03:04,168 INFO L276 IsEmpty]: Start isEmpty. Operand 9300 states and 12914 transitions. [2018-11-18 15:03:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-11-18 15:03:04,183 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:03:04,183 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 15:03:04,183 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:03:04,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:03:04,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1931657218, now seen corresponding path program 1 times [2018-11-18 15:03:04,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:03:04,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:04,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:03:04,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:04,185 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:03:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:03:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 283 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:03:04,364 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:03:04,364 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:03:04,364 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 329 with the following transitions: [2018-11-18 15:03:04,364 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:03:04,366 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:03:04,366 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:03:04,712 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:03:04,712 INFO L272 AbstractInterpreter]: Visited 127 different actions 378 times. Merged at 7 different actions 21 times. Never widened. Performed 5048 root evaluator evaluations with a maximum evaluation depth of 18. Performed 5048 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 15:03:04,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:03:04,713 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:03:04,713 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:03:04,714 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:03:04,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:03:04,720 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:03:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:03:04,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:03:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 283 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:03:04,866 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:03:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 283 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:03:04,979 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:03:04,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-18 15:03:04,980 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:03:04,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:03:04,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:03:04,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:03:04,980 INFO L87 Difference]: Start difference. First operand 9300 states and 12914 transitions. Second operand 6 states. [2018-11-18 15:03:05,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:03:05,764 INFO L93 Difference]: Finished difference Result 17000 states and 26067 transitions. [2018-11-18 15:03:05,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:03:05,765 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 328 [2018-11-18 15:03:05,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:03:05,797 INFO L225 Difference]: With dead ends: 17000 [2018-11-18 15:03:05,797 INFO L226 Difference]: Without dead ends: 11540 [2018-11-18 15:03:05,814 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 657 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:03:05,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11540 states. [2018-11-18 15:03:05,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11540 to 11451. [2018-11-18 15:03:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11451 states. [2018-11-18 15:03:06,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11451 states to 11451 states and 15320 transitions. [2018-11-18 15:03:06,003 INFO L78 Accepts]: Start accepts. Automaton has 11451 states and 15320 transitions. Word has length 328 [2018-11-18 15:03:06,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:03:06,004 INFO L480 AbstractCegarLoop]: Abstraction has 11451 states and 15320 transitions. [2018-11-18 15:03:06,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:03:06,004 INFO L276 IsEmpty]: Start isEmpty. Operand 11451 states and 15320 transitions. [2018-11-18 15:03:06,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-18 15:03:06,021 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:03:06,021 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2018-11-18 15:03:06,021 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:03:06,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:03:06,022 INFO L82 PathProgramCache]: Analyzing trace with hash 789440110, now seen corresponding path program 1 times [2018-11-18 15:03:06,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:03:06,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:06,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:03:06,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:06,023 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:03:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:03:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2018-11-18 15:03:06,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:03:06,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:03:06,166 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:03:06,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:03:06,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:03:06,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:03:06,167 INFO L87 Difference]: Start difference. First operand 11451 states and 15320 transitions. Second operand 4 states. [2018-11-18 15:03:06,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:03:06,640 INFO L93 Difference]: Finished difference Result 19058 states and 26143 transitions. [2018-11-18 15:03:06,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:03:06,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 365 [2018-11-18 15:03:06,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:03:06,666 INFO L225 Difference]: With dead ends: 19058 [2018-11-18 15:03:06,666 INFO L226 Difference]: Without dead ends: 11446 [2018-11-18 15:03:06,680 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:03:06,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11446 states. [2018-11-18 15:03:06,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11446 to 11446. [2018-11-18 15:03:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11446 states. [2018-11-18 15:03:06,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11446 states to 11446 states and 15306 transitions. [2018-11-18 15:03:06,813 INFO L78 Accepts]: Start accepts. Automaton has 11446 states and 15306 transitions. Word has length 365 [2018-11-18 15:03:06,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:03:06,813 INFO L480 AbstractCegarLoop]: Abstraction has 11446 states and 15306 transitions. [2018-11-18 15:03:06,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:03:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 11446 states and 15306 transitions. [2018-11-18 15:03:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-18 15:03:06,825 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:03:06,825 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:03:06,825 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:03:06,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:03:06,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1508788273, now seen corresponding path program 1 times [2018-11-18 15:03:06,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:03:06,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:06,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:03:06,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:03:06,826 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:03:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:03:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 322 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 15:03:07,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:03:07,003 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:03:07,003 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 389 with the following transitions: [2018-11-18 15:03:07,004 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [815], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:03:07,006 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:03:07,006 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:03:07,340 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:03:07,340 INFO L272 AbstractInterpreter]: Visited 147 different actions 579 times. Merged at 7 different actions 24 times. Never widened. Performed 8027 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8027 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 15:03:07,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:03:07,341 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:03:07,672 INFO L227 lantSequenceWeakener]: Weakened 385 states. On average, predicates are now at 80.19% of their original sizes. [2018-11-18 15:03:07,673 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:03:07,705 INFO L415 sIntCurrentIteration]: We unified 387 AI predicates to 387 [2018-11-18 15:03:07,705 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:03:07,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:03:07,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 15:03:07,705 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:03:07,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:03:07,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:03:07,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:03:07,706 INFO L87 Difference]: Start difference. First operand 11446 states and 15306 transitions. Second operand 10 states. [2018-11-18 15:04:55,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:55,655 INFO L93 Difference]: Finished difference Result 31020 states and 43085 transitions. [2018-11-18 15:04:55,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 15:04:55,655 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 388 [2018-11-18 15:04:55,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:55,697 INFO L225 Difference]: With dead ends: 31020 [2018-11-18 15:04:55,697 INFO L226 Difference]: Without dead ends: 21294 [2018-11-18 15:04:55,716 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 398 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 15:04:55,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21294 states. [2018-11-18 15:04:55,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21294 to 20938. [2018-11-18 15:04:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20938 states. [2018-11-18 15:04:56,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20938 states to 20938 states and 27259 transitions. [2018-11-18 15:04:56,004 INFO L78 Accepts]: Start accepts. Automaton has 20938 states and 27259 transitions. Word has length 388 [2018-11-18 15:04:56,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:56,005 INFO L480 AbstractCegarLoop]: Abstraction has 20938 states and 27259 transitions. [2018-11-18 15:04:56,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:04:56,005 INFO L276 IsEmpty]: Start isEmpty. Operand 20938 states and 27259 transitions. [2018-11-18 15:04:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2018-11-18 15:04:56,030 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:56,031 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:04:56,031 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:56,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:56,031 INFO L82 PathProgramCache]: Analyzing trace with hash 859223478, now seen corresponding path program 1 times [2018-11-18 15:04:56,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:04:56,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:56,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:56,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:56,032 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:04:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2018-11-18 15:04:56,373 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:04:56,373 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:04:56,373 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 418 with the following transitions: [2018-11-18 15:04:56,374 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:04:56,375 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:04:56,376 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:04:56,638 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:04:56,638 INFO L272 AbstractInterpreter]: Visited 151 different actions 452 times. Merged at 8 different actions 23 times. Never widened. Performed 6283 root evaluator evaluations with a maximum evaluation depth of 13. Performed 6283 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 5 fixpoints after 3 different actions. Largest state had 28 variables. [2018-11-18 15:04:56,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:56,642 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:04:56,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:04:56,643 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:04:56,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:56,651 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:04:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:56,719 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:04:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 15:04:56,820 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:04:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 15:04:57,011 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:04:57,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-18 15:04:57,011 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:04:57,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 15:04:57,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 15:04:57,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:04:57,012 INFO L87 Difference]: Start difference. First operand 20938 states and 27259 transitions. Second operand 12 states. [2018-11-18 15:05:06,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:06,199 INFO L93 Difference]: Finished difference Result 77867 states and 116404 transitions. [2018-11-18 15:05:06,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-11-18 15:05:06,200 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 417 [2018-11-18 15:05:06,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:06,370 INFO L225 Difference]: With dead ends: 77867 [2018-11-18 15:05:06,370 INFO L226 Difference]: Without dead ends: 56478 [2018-11-18 15:05:06,465 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 960 GetRequests, 888 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1733 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=894, Invalid=4218, Unknown=0, NotChecked=0, Total=5112 [2018-11-18 15:05:06,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56478 states. [2018-11-18 15:05:07,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56478 to 49941. [2018-11-18 15:05:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49941 states. [2018-11-18 15:05:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49941 states to 49941 states and 62476 transitions. [2018-11-18 15:05:07,254 INFO L78 Accepts]: Start accepts. Automaton has 49941 states and 62476 transitions. Word has length 417 [2018-11-18 15:05:07,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:07,255 INFO L480 AbstractCegarLoop]: Abstraction has 49941 states and 62476 transitions. [2018-11-18 15:05:07,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 15:05:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 49941 states and 62476 transitions. [2018-11-18 15:05:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2018-11-18 15:05:07,345 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:07,345 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:05:07,345 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:07,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:07,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1427273602, now seen corresponding path program 1 times [2018-11-18 15:05:07,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:07,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:07,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:07,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:07,347 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 221 proven. 4 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2018-11-18 15:05:07,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:07,489 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:07,489 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 526 with the following transitions: [2018-11-18 15:05:07,489 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [530], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [699], [702], [706], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:05:07,491 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:07,491 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:07,998 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:05:07,998 INFO L272 AbstractInterpreter]: Visited 131 different actions 519 times. Merged at 10 different actions 33 times. Never widened. Performed 7078 root evaluator evaluations with a maximum evaluation depth of 18. Performed 7078 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 4 different actions. Largest state had 28 variables. [2018-11-18 15:05:08,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:08,010 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:05:08,010 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:08,010 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:05:08,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:08,017 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:05:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:08,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:05:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 605 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-18 15:05:08,169 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:05:08,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 221 proven. 4 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2018-11-18 15:05:08,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:05:08,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-11-18 15:05:08,267 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:08,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:05:08,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:05:08,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:05:08,268 INFO L87 Difference]: Start difference. First operand 49941 states and 62476 transitions. Second operand 3 states. [2018-11-18 15:05:09,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:09,048 INFO L93 Difference]: Finished difference Result 93376 states and 119537 transitions. [2018-11-18 15:05:09,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:05:09,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 525 [2018-11-18 15:05:09,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:09,158 INFO L225 Difference]: With dead ends: 93376 [2018-11-18 15:05:09,158 INFO L226 Difference]: Without dead ends: 54325 [2018-11-18 15:05:09,235 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1052 GetRequests, 1051 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:05:09,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54325 states. [2018-11-18 15:05:09,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54325 to 53750. [2018-11-18 15:05:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53750 states. [2018-11-18 15:05:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53750 states to 53750 states and 67314 transitions. [2018-11-18 15:05:09,854 INFO L78 Accepts]: Start accepts. Automaton has 53750 states and 67314 transitions. Word has length 525 [2018-11-18 15:05:09,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:09,854 INFO L480 AbstractCegarLoop]: Abstraction has 53750 states and 67314 transitions. [2018-11-18 15:05:09,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:05:09,854 INFO L276 IsEmpty]: Start isEmpty. Operand 53750 states and 67314 transitions. [2018-11-18 15:05:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2018-11-18 15:05:11,053 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:11,053 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:05:11,054 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:11,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:11,054 INFO L82 PathProgramCache]: Analyzing trace with hash 273884034, now seen corresponding path program 1 times [2018-11-18 15:05:11,054 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:11,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:11,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:11,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:11,055 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:11,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 446 proven. 78 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-11-18 15:05:11,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:11,399 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:11,399 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 585 with the following transitions: [2018-11-18 15:05:11,399 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [530], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:05:11,403 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:11,404 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:12,124 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:05:12,124 INFO L272 AbstractInterpreter]: Visited 189 different actions 753 times. Merged at 10 different actions 34 times. Never widened. Performed 10871 root evaluator evaluations with a maximum evaluation depth of 18. Performed 10871 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 9 fixpoints after 4 different actions. Largest state had 28 variables. [2018-11-18 15:05:12,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:12,126 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:05:12,126 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:12,126 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:05:12,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:12,132 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:05:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:12,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:05:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 726 proven. 2 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-11-18 15:05:12,310 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:05:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 446 proven. 78 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-11-18 15:05:12,468 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:05:12,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 15:05:12,469 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:05:12,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:05:12,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:05:12,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:05:12,469 INFO L87 Difference]: Start difference. First operand 53750 states and 67314 transitions. Second operand 9 states. [2018-11-18 15:05:14,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:14,440 INFO L93 Difference]: Finished difference Result 108120 states and 139173 transitions. [2018-11-18 15:05:14,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 15:05:14,440 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 584 [2018-11-18 15:05:14,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:14,562 INFO L225 Difference]: With dead ends: 108120 [2018-11-18 15:05:14,562 INFO L226 Difference]: Without dead ends: 55908 [2018-11-18 15:05:14,650 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1185 GetRequests, 1169 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2018-11-18 15:05:14,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55908 states. [2018-11-18 15:05:15,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55908 to 55661. [2018-11-18 15:05:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55661 states. [2018-11-18 15:05:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55661 states to 55661 states and 69671 transitions. [2018-11-18 15:05:15,471 INFO L78 Accepts]: Start accepts. Automaton has 55661 states and 69671 transitions. Word has length 584 [2018-11-18 15:05:15,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:15,471 INFO L480 AbstractCegarLoop]: Abstraction has 55661 states and 69671 transitions. [2018-11-18 15:05:15,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:05:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 55661 states and 69671 transitions. [2018-11-18 15:05:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2018-11-18 15:05:15,576 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:15,576 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 15:05:15,577 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:15,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:15,577 INFO L82 PathProgramCache]: Analyzing trace with hash -427764647, now seen corresponding path program 1 times [2018-11-18 15:05:15,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:15,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:15,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:15,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:15,578 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1097 backedges. 549 proven. 2 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2018-11-18 15:05:16,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:16,207 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:16,208 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 614 with the following transitions: [2018-11-18 15:05:16,208 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:05:16,210 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:16,210 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:16,915 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:05:16,915 INFO L272 AbstractInterpreter]: Visited 189 different actions 754 times. Merged at 10 different actions 35 times. Widened at 1 different actions 1 times. Performed 10945 root evaluator evaluations with a maximum evaluation depth of 18. Performed 10945 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 9 fixpoints after 5 different actions. Largest state had 28 variables. [2018-11-18 15:05:16,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:16,918 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:05:16,918 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:16,918 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:05:16,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:16,924 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:05:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:17,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:05:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1097 backedges. 549 proven. 2 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2018-11-18 15:05:17,506 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:05:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1097 backedges. 549 proven. 2 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2018-11-18 15:05:17,974 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:05:17,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 8] total 19 [2018-11-18 15:05:17,974 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:05:17,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 15:05:17,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 15:05:17,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:05:17,975 INFO L87 Difference]: Start difference. First operand 55661 states and 69671 transitions. Second operand 15 states. [2018-11-18 15:05:22,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:22,535 INFO L93 Difference]: Finished difference Result 109071 states and 148133 transitions. [2018-11-18 15:05:22,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-18 15:05:22,536 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 613 [2018-11-18 15:05:22,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:22,699 INFO L225 Difference]: With dead ends: 109071 [2018-11-18 15:05:22,699 INFO L226 Difference]: Without dead ends: 54761 [2018-11-18 15:05:22,807 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1290 GetRequests, 1240 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=551, Invalid=1899, Unknown=0, NotChecked=0, Total=2450 [2018-11-18 15:05:22,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54761 states. [2018-11-18 15:05:23,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54761 to 52857. [2018-11-18 15:05:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52857 states. [2018-11-18 15:05:23,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52857 states to 52857 states and 64568 transitions. [2018-11-18 15:05:23,561 INFO L78 Accepts]: Start accepts. Automaton has 52857 states and 64568 transitions. Word has length 613 [2018-11-18 15:05:23,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:23,562 INFO L480 AbstractCegarLoop]: Abstraction has 52857 states and 64568 transitions. [2018-11-18 15:05:23,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 15:05:23,562 INFO L276 IsEmpty]: Start isEmpty. Operand 52857 states and 64568 transitions. [2018-11-18 15:05:23,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2018-11-18 15:05:23,655 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:23,655 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:05:23,655 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:23,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:23,656 INFO L82 PathProgramCache]: Analyzing trace with hash -2099981069, now seen corresponding path program 1 times [2018-11-18 15:05:23,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:23,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:23,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:23,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:23,656 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:23,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2018-11-18 15:05:23,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:05:23,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:05:23,902 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:23,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:05:23,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:05:23,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:05:23,902 INFO L87 Difference]: Start difference. First operand 52857 states and 64568 transitions. Second operand 3 states. [2018-11-18 15:05:24,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:24,881 INFO L93 Difference]: Finished difference Result 108900 states and 136024 transitions. [2018-11-18 15:05:24,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:05:24,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 698 [2018-11-18 15:05:24,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:25,000 INFO L225 Difference]: With dead ends: 108900 [2018-11-18 15:05:25,001 INFO L226 Difference]: Without dead ends: 64076 [2018-11-18 15:05:25,081 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:05:25,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64076 states. [2018-11-18 15:05:25,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64076 to 63530. [2018-11-18 15:05:25,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63530 states. [2018-11-18 15:05:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63530 states to 63530 states and 76012 transitions. [2018-11-18 15:05:25,874 INFO L78 Accepts]: Start accepts. Automaton has 63530 states and 76012 transitions. Word has length 698 [2018-11-18 15:05:25,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:25,874 INFO L480 AbstractCegarLoop]: Abstraction has 63530 states and 76012 transitions. [2018-11-18 15:05:25,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:05:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 63530 states and 76012 transitions. [2018-11-18 15:05:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2018-11-18 15:05:25,993 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:25,993 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:05:25,993 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:25,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:25,994 INFO L82 PathProgramCache]: Analyzing trace with hash 199294473, now seen corresponding path program 1 times [2018-11-18 15:05:25,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:25,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:25,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:25,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:25,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:26,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 558 proven. 195 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2018-11-18 15:05:26,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:26,449 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:26,449 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 767 with the following transitions: [2018-11-18 15:05:26,450 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [881], [886], [888], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 15:05:26,452 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:26,452 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:27,158 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:05:27,159 INFO L272 AbstractInterpreter]: Visited 192 different actions 763 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 10994 root evaluator evaluations with a maximum evaluation depth of 18. Performed 10994 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 5 different actions. Largest state had 28 variables. [2018-11-18 15:05:27,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:27,162 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:05:27,162 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:27,162 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:05:27,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:27,169 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:05:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:27,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:05:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 1038 proven. 4 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2018-11-18 15:05:27,541 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:05:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 1038 proven. 4 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2018-11-18 15:05:29,302 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:05:29,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 13 [2018-11-18 15:05:29,303 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:05:29,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:05:29,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:05:29,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:05:29,304 INFO L87 Difference]: Start difference. First operand 63530 states and 76012 transitions. Second operand 9 states. [2018-11-18 15:06:14,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:06:14,535 INFO L93 Difference]: Finished difference Result 130770 states and 157036 transitions. [2018-11-18 15:06:14,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-18 15:06:14,536 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 766 [2018-11-18 15:06:14,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:06:14,536 INFO L225 Difference]: With dead ends: 130770 [2018-11-18 15:06:14,536 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:06:14,663 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1600 GetRequests, 1555 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=364, Invalid=1616, Unknown=0, NotChecked=0, Total=1980 [2018-11-18 15:06:14,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:06:14,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:06:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:06:14,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:06:14,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 766 [2018-11-18 15:06:14,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:06:14,665 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:06:14,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:06:14,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:06:14,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:06:14,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:06:14,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:14,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:15,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:15,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:15,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:15,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:15,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:15,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:15,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:15,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:15,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:15,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:16,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:17,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,245 WARN L180 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 1203 DAG size of output: 903 [2018-11-18 15:06:18,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:18,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:19,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:20,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:06:21,009 WARN L180 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 1287 DAG size of output: 1023 [2018-11-18 15:06:24,801 WARN L180 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 785 DAG size of output: 78 [2018-11-18 15:06:36,070 WARN L180 SmtUtils]: Spent 11.25 s on a formula simplification. DAG size of input: 903 DAG size of output: 69 [2018-11-18 15:06:47,708 WARN L180 SmtUtils]: Spent 11.63 s on a formula simplification. DAG size of input: 1018 DAG size of output: 65 [2018-11-18 15:06:47,710 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:06:47,710 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 15:06:47,710 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:06:47,710 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-18 15:06:47,710 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-18 15:06:47,710 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-18 15:06:47,710 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,710 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,710 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,710 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,711 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-18 15:06:47,712 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-18 15:06:47,713 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-18 15:06:47,714 INFO L425 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,715 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,716 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse10 (= ~a29~0 |old(~a29~0)|)) (.cse11 (= ~a23~0 |old(~a23~0)|)) (.cse12 (= ~a4~0 |old(~a4~0)|)) (.cse13 (= ~a25~0 |old(~a25~0)|))) (let ((.cse2 (and .cse10 .cse11 .cse12 .cse13)) (.cse3 (< 12 |old(~a25~0)|)) (.cse6 (and .cse11 .cse10 .cse12 .cse13)) (.cse1 (not (= 1 ~a3~0))) (.cse5 (not (= 13 |old(~a25~0)|))) (.cse0 (not (= 15 ~a8~0))) (.cse7 (<= |old(~a23~0)| 138)) (.cse8 (< 140 |old(~a29~0)|)) (.cse4 (not (= 1 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (<= |old(~a29~0)| 245)) (or .cse0 .cse1 (= 11 |old(~a25~0)|) .cse4 .cse2 .cse3) (or (or .cse0 .cse1 .cse4 .cse5) .cse6) (or .cse2 (or .cse0 .cse1) (= |calculate_output_#in~input| 0) (not (= 12 |old(~a25~0)|))) (or .cse0 .cse1 .cse2 .cse7 .cse4 .cse3) (or .cse2 .cse0 .cse1 .cse8 .cse3) (or .cse6 (forall ((v_~a23~0_607 Int)) (let ((.cse9 (mod v_~a23~0_607 90))) (or (<= 0 v_~a23~0_607) (= 0 .cse9) (< 0 (+ v_~a23~0_607 43)) (< (+ |old(~a23~0)| 43) .cse9)))) (or .cse0 .cse1 .cse5)) (or .cse0 .cse7 (and .cse10 .cse11 (<= ~a25~0 |old(~a25~0)|) .cse12) (< 9 |old(~a25~0)|) .cse8 .cse4)))) [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,717 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,718 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,719 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,720 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-18 15:06:47,721 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-18 15:06:47,722 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-18 15:06:47,723 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,724 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,725 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,726 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,727 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,728 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 15:06:47,728 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:06:47,728 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (<= ~a29~0 130) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-18 15:06:47,728 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:06:47,728 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:06:47,728 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|)) (and (= ~a25~0 |old(~a25~0)|) (= ~a29~0 130) (= ~a23~0 |old(~a23~0)|) (= 1 ~a4~0))) [2018-11-18 15:06:47,728 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 15:06:47,728 INFO L421 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse2 (<= ~a25~0 12)) (.cse0 (= 1 ~a4~0))) (or (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 13) .cse0) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|)) (and (exists ((v_~a23~0_607 Int)) (let ((.cse1 (mod v_~a23~0_607 90))) (and (<= (+ v_~a23~0_607 43) 0) (not (= 0 .cse1)) (<= .cse1 (+ ~a23~0 43)) (< v_~a23~0_607 0)))) (= 13 ~a25~0)) (and (= 12 ~a25~0) (not (= main_~input~0 0))) (and .cse2 (<= ~a29~0 140)) (and .cse2 (< 245 ~a29~0)) (and (and .cse0 (not (= ~a25~0 11))) .cse2) (and .cse2 .cse0 (< 138 ~a23~0)) (not (= 1 ~a3~0)) (not (= 15 ~a8~0)))) [2018-11-18 15:06:47,728 INFO L425 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-18 15:06:47,728 INFO L425 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-18 15:06:47,728 INFO L425 ceAbstractionStarter]: For program point L1034-1(lines 1034 1043) no Hoare annotation was computed. [2018-11-18 15:06:47,729 INFO L421 ceAbstractionStarter]: At program point L1034-3(lines 1034 1043) the Hoare annotation is: (let ((.cse2 (<= ~a25~0 12)) (.cse0 (= 1 ~a4~0))) (or (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 13) .cse0) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|)) (and (exists ((v_~a23~0_607 Int)) (let ((.cse1 (mod v_~a23~0_607 90))) (and (<= (+ v_~a23~0_607 43) 0) (not (= 0 .cse1)) (<= .cse1 (+ ~a23~0 43)) (< v_~a23~0_607 0)))) (= 13 ~a25~0)) (and .cse2 (<= ~a29~0 140)) (and .cse2 (< 245 ~a29~0)) (and (and .cse0 (not (= ~a25~0 11))) .cse2) (= 12 ~a25~0) (and .cse2 .cse0 (< 138 ~a23~0)) (not (= 1 ~a3~0)) (not (= 15 ~a8~0)))) [2018-11-18 15:06:47,729 INFO L425 ceAbstractionStarter]: For program point L1034-4(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 15:06:47,734 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,735 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,742 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:06:47 BoogieIcfgContainer [2018-11-18 15:06:47,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:06:47,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:06:47,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:06:47,745 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:06:47,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:59:51" (3/4) ... [2018-11-18 15:06:47,749 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:06:47,754 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:06:47,754 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 15:06:47,754 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:06:47,775 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:06:47,776 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:06:47,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(10 == \old(a25)) || (a25 == 13 && 1 == a4)) || !(312 == \old(a23))) || !(1 == \old(a4))) || !(130 == \old(a29))) || ((\exists v_~a23~0_607 : int :: ((v_~a23~0_607 + 43 <= 0 && !(0 == v_~a23~0_607 % 90)) && v_~a23~0_607 % 90 <= a23 + 43) && v_~a23~0_607 < 0) && 13 == a25)) || (a25 <= 12 && a29 <= 140)) || (a25 <= 12 && 245 < a29)) || ((1 == a4 && !(a25 == 11)) && a25 <= 12)) || 12 == a25) || ((a25 <= 12 && 1 == a4) && 138 < a23)) || !(1 == a3)) || !(15 == a8) [2018-11-18 15:06:47,891 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e7abf1d5-92fb-4a87-bd39-6dd105933207/bin-2019/utaipan/witness.graphml [2018-11-18 15:06:47,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:06:47,892 INFO L168 Benchmark]: Toolchain (without parser) took 417832.52 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 950.0 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-18 15:06:47,892 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:06:47,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.83 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 896.3 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:06:47,893 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 896.3 MB in the beginning and 1.2 GB in the end (delta: -308.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:06:47,893 INFO L168 Benchmark]: Boogie Preprocessor took 60.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:06:47,893 INFO L168 Benchmark]: RCFGBuilder took 1147.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 169.8 MB). Peak memory consumption was 169.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:06:47,893 INFO L168 Benchmark]: TraceAbstraction took 415869.28 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-18 15:06:47,894 INFO L168 Benchmark]: Witness Printer took 145.91 ms. Allocated memory is still 5.4 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 36.8 kB). Peak memory consumption was 36.8 kB. Max. memory is 11.5 GB. [2018-11-18 15:06:47,895 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 493.83 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 896.3 MB in the end (delta: 53.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 896.3 MB in the beginning and 1.2 GB in the end (delta: -308.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1147.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 169.8 MB). Peak memory consumption was 169.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 415869.28 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 145.91 ms. Allocated memory is still 5.4 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 36.8 kB). Peak memory consumption was 36.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: 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: 1034]: Loop Invariant [2018-11-18 15:06:47,899 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,899 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,899 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,899 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] [2018-11-18 15:06:47,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_607,QUANTIFIED] Derived loop invariant: (((((((((((!(10 == \old(a25)) || (a25 == 13 && 1 == a4)) || !(312 == \old(a23))) || !(1 == \old(a4))) || !(130 == \old(a29))) || ((\exists v_~a23~0_607 : int :: ((v_~a23~0_607 + 43 <= 0 && !(0 == v_~a23~0_607 % 90)) && v_~a23~0_607 % 90 <= a23 + 43) && v_~a23~0_607 < 0) && 13 == a25)) || (a25 <= 12 && a29 <= 140)) || (a25 <= 12 && 245 < a29)) || ((1 == a4 && !(a25 == 11)) && a25 <= 12)) || 12 == a25) || ((a25 <= 12 && 1 == a4) && 138 < a23)) || !(1 == a3)) || !(15 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. SAFE Result, 415.8s OverallTime, 17 OverallIterations, 7 TraceHistogramMax, 356.2s AutomataDifference, 0.0s DeadEndRemovalTime, 33.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3792 SDtfs, 24705 SDslu, 4968 SDs, 0 SdLazy, 44243 SolverSat, 8818 SolverUnsat, 101 SolverUnknown, 0 SolverNotchecked, 322.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 9653 GetRequests, 9329 SyntacticMatches, 18 SemanticMatches, 306 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3252 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63530occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.5s AbstIntTime, 13 AbstIntIterations, 4 AbstIntStrong, 0.9975317315155173 AbsIntWeakeningRatio, 0.10526315789473684 AbsIntAvgWeakeningVarsNumRemoved, 17.25423728813559 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 17 MinimizatonAttempts, 11197 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 1253 PreInvPairs, 1727 NumberOfFragments, 550 HoareAnnotationTreeSize, 1253 FomulaSimplifications, 559856 FormulaSimplificationTreeSizeReduction, 6.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 322800 FormulaSimplificationTreeSizeReductionInter, 26.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.9s InterpolantComputationTime, 10499 NumberOfCodeBlocks, 10499 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 14536 ConstructedInterpolants, 305 QuantifiedInterpolants, 27147445 SizeOfPredicates, 17 NumberOfNonLiveVariables, 6600 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 35 InterpolantComputations, 8 PerfectInterpolantSequences, 20651/21504 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...