./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label55_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label55_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 d551d8685b85ae72a74f40e5098a20631eb2112d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:20:05,807 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:20:05,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:20:05,814 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:20:05,814 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:20:05,814 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:20:05,815 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:20:05,815 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:20:05,816 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:20:05,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:20:05,817 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:20:05,817 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:20:05,818 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:20:05,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:20:05,819 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:20:05,819 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:20:05,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:20:05,820 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:20:05,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:20:05,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:20:05,822 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:20:05,823 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:20:05,824 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:20:05,824 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:20:05,824 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:20:05,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:20:05,825 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:20:05,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:20:05,826 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:20:05,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:20:05,826 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:20:05,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:20:05,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:20:05,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:20:05,827 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:20:05,828 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:20:05,828 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 20:20:05,835 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:20:05,835 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:20:05,835 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:20:05,835 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:20:05,835 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 20:20:05,835 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 20:20:05,836 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 20:20:05,836 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 20:20:05,836 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 20:20:05,836 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 20:20:05,836 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 20:20:05,836 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 20:20:05,836 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 20:20:05,836 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:20:05,837 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:20:05,837 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:20:05,837 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:20:05,837 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:20:05,837 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:20:05,837 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:20:05,837 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:20:05,837 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:20:05,837 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:20:05,837 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:20:05,837 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:20:05,838 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:20:05,838 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:20:05,838 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:20:05,838 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:20:05,838 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:20:05,838 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:20:05,838 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:20:05,838 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 20:20:05,838 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:20:05,838 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:20:05,838 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 20:20:05,839 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_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 -> d551d8685b85ae72a74f40e5098a20631eb2112d [2018-12-08 20:20:05,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:20:05,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:20:05,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:20:05,865 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:20:05,865 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:20:05,866 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label55_true-unreach-call.c [2018-12-08 20:20:05,901 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/data/df9999b76/f093928206a74f119b12171581b042fd/FLAG792c94c19 [2018-12-08 20:20:06,309 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:20:06,309 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/sv-benchmarks/c/eca-rers2012/Problem11_label55_true-unreach-call.c [2018-12-08 20:20:06,317 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/data/df9999b76/f093928206a74f119b12171581b042fd/FLAG792c94c19 [2018-12-08 20:20:06,642 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/data/df9999b76/f093928206a74f119b12171581b042fd [2018-12-08 20:20:06,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:20:06,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:20:06,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:20:06,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:20:06,657 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:20:06,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39804647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:06, skipping insertion in model container [2018-12-08 20:20:06,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:20:06" (1/1) ... [2018-12-08 20:20:06,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:20:06,706 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:20:06,982 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:20:06,986 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:20:07,133 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:20:07,143 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:20:07,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07 WrapperNode [2018-12-08 20:20:07,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:20:07,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:20:07,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:20:07,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:20:07,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (1/1) ... [2018-12-08 20:20:07,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (1/1) ... [2018-12-08 20:20:07,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:20:07,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:20:07,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:20:07,172 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:20:07,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (1/1) ... [2018-12-08 20:20:07,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (1/1) ... [2018-12-08 20:20:07,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (1/1) ... [2018-12-08 20:20:07,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (1/1) ... [2018-12-08 20:20:07,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (1/1) ... [2018-12-08 20:20:07,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (1/1) ... [2018-12-08 20:20:07,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (1/1) ... [2018-12-08 20:20:07,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:20:07,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:20:07,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:20:07,240 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:20:07,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 [2018-12-08 20:20:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:20:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:20:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 20:20:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 20:20:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:20:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:20:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:20:07,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:20:08,177 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:20:08,177 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 20:20:08,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:20:08 BoogieIcfgContainer [2018-12-08 20:20:08,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:20:08,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:20:08,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:20:08,181 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:20:08,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:20:06" (1/3) ... [2018-12-08 20:20:08,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9754f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:20:08, skipping insertion in model container [2018-12-08 20:20:08,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:07" (2/3) ... [2018-12-08 20:20:08,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f9754f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:20:08, skipping insertion in model container [2018-12-08 20:20:08,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:20:08" (3/3) ... [2018-12-08 20:20:08,184 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label55_true-unreach-call.c [2018-12-08 20:20:08,193 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:20:08,200 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:20:08,213 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:20:08,239 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:20:08,239 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:20:08,240 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:20:08,240 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:20:08,240 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:20:08,240 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:20:08,240 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:20:08,240 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:20:08,257 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-12-08 20:20:08,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 20:20:08,261 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:20:08,262 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:20:08,263 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:20:08,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:08,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1587257066, now seen corresponding path program 1 times [2018-12-08 20:20:08,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:20:08,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:08,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:20:08,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:08,298 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:20:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:20:08,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:20:08,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 20:20:08,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:20:08,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 20:20:08,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 20:20:08,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:20:08,467 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2018-12-08 20:20:09,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:20:09,486 INFO L93 Difference]: Finished difference Result 975 states and 1750 transitions. [2018-12-08 20:20:09,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 20:20:09,487 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-12-08 20:20:09,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:20:09,496 INFO L225 Difference]: With dead ends: 975 [2018-12-08 20:20:09,497 INFO L226 Difference]: Without dead ends: 616 [2018-12-08 20:20:09,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:20:09,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2018-12-08 20:20:09,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 422. [2018-12-08 20:20:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-12-08 20:20:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 607 transitions. [2018-12-08 20:20:09,546 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 607 transitions. Word has length 51 [2018-12-08 20:20:09,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:20:09,547 INFO L480 AbstractCegarLoop]: Abstraction has 422 states and 607 transitions. [2018-12-08 20:20:09,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 20:20:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 607 transitions. [2018-12-08 20:20:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 20:20:09,550 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:20:09,551 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:20:09,551 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:20:09,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:09,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1592222806, now seen corresponding path program 1 times [2018-12-08 20:20:09,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:20:09,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:09,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:20:09,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:09,553 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:20:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:20:09,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:20:09,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 20:20:09,695 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:20:09,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:20:09,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:20:09,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 20:20:09,696 INFO L87 Difference]: Start difference. First operand 422 states and 607 transitions. Second operand 6 states. [2018-12-08 20:20:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:20:10,412 INFO L93 Difference]: Finished difference Result 1241 states and 1811 transitions. [2018-12-08 20:20:10,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:20:10,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-12-08 20:20:10,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:20:10,416 INFO L225 Difference]: With dead ends: 1241 [2018-12-08 20:20:10,416 INFO L226 Difference]: Without dead ends: 825 [2018-12-08 20:20:10,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 20:20:10,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2018-12-08 20:20:10,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 814. [2018-12-08 20:20:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 814 states. [2018-12-08 20:20:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1163 transitions. [2018-12-08 20:20:10,439 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1163 transitions. Word has length 123 [2018-12-08 20:20:10,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:20:10,440 INFO L480 AbstractCegarLoop]: Abstraction has 814 states and 1163 transitions. [2018-12-08 20:20:10,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:20:10,440 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1163 transitions. [2018-12-08 20:20:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-08 20:20:10,442 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:20:10,442 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:20:10,442 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:20:10,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:10,442 INFO L82 PathProgramCache]: Analyzing trace with hash -654834599, now seen corresponding path program 1 times [2018-12-08 20:20:10,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:20:10,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:10,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:20:10,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:10,443 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:20:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:20:10,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:20:10,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 20:20:10,521 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:20:10,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 20:20:10,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 20:20:10,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:20:10,522 INFO L87 Difference]: Start difference. First operand 814 states and 1163 transitions. Second operand 4 states. [2018-12-08 20:20:11,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:20:11,346 INFO L93 Difference]: Finished difference Result 2406 states and 3479 transitions. [2018-12-08 20:20:11,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 20:20:11,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2018-12-08 20:20:11,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:20:11,352 INFO L225 Difference]: With dead ends: 2406 [2018-12-08 20:20:11,353 INFO L226 Difference]: Without dead ends: 1598 [2018-12-08 20:20:11,354 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 20:20:11,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1598 states. [2018-12-08 20:20:11,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1598 to 1393. [2018-12-08 20:20:11,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1393 states. [2018-12-08 20:20:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1963 transitions. [2018-12-08 20:20:11,380 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1963 transitions. Word has length 124 [2018-12-08 20:20:11,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:20:11,381 INFO L480 AbstractCegarLoop]: Abstraction has 1393 states and 1963 transitions. [2018-12-08 20:20:11,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 20:20:11,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1963 transitions. [2018-12-08 20:20:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 20:20:11,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:20:11,384 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:20:11,384 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:20:11,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:11,384 INFO L82 PathProgramCache]: Analyzing trace with hash 649342070, now seen corresponding path program 1 times [2018-12-08 20:20:11,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:20:11,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:11,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:20:11,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:11,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:20:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:20:11,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:20:11,519 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:20:11,520 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-12-08 20:20:11,521 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [594], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:20:11,554 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:20:11,555 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:20:11,864 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 20:20:11,865 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Performed 1135 root evaluator evaluations with a maximum evaluation depth of 13. Performed 1135 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Never found a fixpoint. Largest state had 28 variables. [2018-12-08 20:20:11,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:11,869 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 20:20:12,182 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 73.77% of their original sizes. [2018-12-08 20:20:12,183 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 20:20:12,208 INFO L418 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-12-08 20:20:12,209 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 20:20:12,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:20:12,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-12-08 20:20:12,209 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:20:12,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:20:12,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:20:12,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 20:20:12,210 INFO L87 Difference]: Start difference. First operand 1393 states and 1963 transitions. Second operand 6 states. [2018-12-08 20:20:28,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:20:28,499 INFO L93 Difference]: Finished difference Result 2970 states and 4164 transitions. [2018-12-08 20:20:28,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 20:20:28,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-12-08 20:20:28,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:20:28,502 INFO L225 Difference]: With dead ends: 2970 [2018-12-08 20:20:28,502 INFO L226 Difference]: Without dead ends: 1583 [2018-12-08 20:20:28,503 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:20:28,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2018-12-08 20:20:28,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1582. [2018-12-08 20:20:28,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2018-12-08 20:20:28,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2162 transitions. [2018-12-08 20:20:28,523 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2162 transitions. Word has length 145 [2018-12-08 20:20:28,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:20:28,523 INFO L480 AbstractCegarLoop]: Abstraction has 1582 states and 2162 transitions. [2018-12-08 20:20:28,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:20:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2162 transitions. [2018-12-08 20:20:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-08 20:20:28,526 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:20:28,526 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:20:28,526 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:20:28,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:28,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1626151708, now seen corresponding path program 1 times [2018-12-08 20:20:28,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:20:28,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:28,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:20:28,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:28,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:20:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 20:20:28,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:20:28,688 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:20:28,688 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-12-08 20:20:28,689 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [594], [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], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:20:28,692 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:20:28,692 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:20:29,172 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:20:29,172 INFO L272 AbstractInterpreter]: Visited 125 different actions 370 times. Merged at 6 different actions 17 times. Never widened. Performed 4913 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4913 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:20:29,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:29,208 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:20:29,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:20:29,208 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 [2018-12-08 20:20:29,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:20:29,221 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:20:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:29,282 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:20:29,502 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2018-12-08 20:20:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 20:20:29,593 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:20:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 20:20:29,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 20:20:29,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 11 [2018-12-08 20:20:29,860 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:20:29,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:20:29,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:20:29,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-08 20:20:29,861 INFO L87 Difference]: Start difference. First operand 1582 states and 2162 transitions. Second operand 6 states. [2018-12-08 20:20:31,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:20:31,105 INFO L93 Difference]: Finished difference Result 5087 states and 7400 transitions. [2018-12-08 20:20:31,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 20:20:31,105 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 261 [2018-12-08 20:20:31,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:20:31,116 INFO L225 Difference]: With dead ends: 5087 [2018-12-08 20:20:31,117 INFO L226 Difference]: Without dead ends: 3700 [2018-12-08 20:20:31,119 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 517 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-08 20:20:31,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2018-12-08 20:20:31,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3700. [2018-12-08 20:20:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3700 states. [2018-12-08 20:20:31,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3700 states and 5277 transitions. [2018-12-08 20:20:31,175 INFO L78 Accepts]: Start accepts. Automaton has 3700 states and 5277 transitions. Word has length 261 [2018-12-08 20:20:31,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:20:31,176 INFO L480 AbstractCegarLoop]: Abstraction has 3700 states and 5277 transitions. [2018-12-08 20:20:31,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:20:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 5277 transitions. [2018-12-08 20:20:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-08 20:20:31,180 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:20:31,180 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:20:31,181 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:20:31,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:31,181 INFO L82 PathProgramCache]: Analyzing trace with hash 2104899422, now seen corresponding path program 1 times [2018-12-08 20:20:31,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:20:31,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:31,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:20:31,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:31,182 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:20:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:20:31,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:20:31,298 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:20:31,298 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-12-08 20:20:31,298 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [615], [618], [621], [625], [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], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:20:31,301 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:20:31,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:20:31,496 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:20:31,496 INFO L272 AbstractInterpreter]: Visited 140 different actions 406 times. Merged at 4 different actions 7 times. Never widened. Performed 5648 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5648 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-08 20:20:31,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:31,497 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:20:31,497 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:20:31,497 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 [2018-12-08 20:20:31,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:20:31,505 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:20:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:31,558 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:20:31,597 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-08 20:20:31,598 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:20:31,633 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-08 20:20:31,649 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:20:31,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-08 20:20:31,649 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:20:31,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:20:31,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:20:31,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:20:31,650 INFO L87 Difference]: Start difference. First operand 3700 states and 5277 transitions. Second operand 3 states. [2018-12-08 20:20:32,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:20:32,220 INFO L93 Difference]: Finished difference Result 9487 states and 13999 transitions. [2018-12-08 20:20:32,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:20:32,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2018-12-08 20:20:32,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:20:32,239 INFO L225 Difference]: With dead ends: 9487 [2018-12-08 20:20:32,239 INFO L226 Difference]: Without dead ends: 5982 [2018-12-08 20:20:32,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:20:32,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5982 states. [2018-12-08 20:20:32,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5982 to 5224. [2018-12-08 20:20:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5224 states. [2018-12-08 20:20:32,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 7223 transitions. [2018-12-08 20:20:32,311 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 7223 transitions. Word has length 284 [2018-12-08 20:20:32,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:20:32,311 INFO L480 AbstractCegarLoop]: Abstraction has 5224 states and 7223 transitions. [2018-12-08 20:20:32,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:20:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 7223 transitions. [2018-12-08 20:20:32,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-08 20:20:32,317 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:20:32,317 INFO L402 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, 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, 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] [2018-12-08 20:20:32,317 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:20:32,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:32,318 INFO L82 PathProgramCache]: Analyzing trace with hash -109071037, now seen corresponding path program 1 times [2018-12-08 20:20:32,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:20:32,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:32,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:20:32,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:20:32,318 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:20:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-08 20:20:32,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:20:32,515 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:20:32,515 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 358 with the following transitions: [2018-12-08 20:20:32,516 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [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], [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], [994], [999], [1001], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:20:32,518 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:20:32,518 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:20:32,809 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:20:32,809 INFO L272 AbstractInterpreter]: Visited 186 different actions 731 times. Merged at 6 different actions 20 times. Never widened. Performed 10718 root evaluator evaluations with a maximum evaluation depth of 9. Performed 10718 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:20:32,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:20:32,813 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:20:32,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:20:32,813 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 [2018-12-08 20:20:32,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:20:32,820 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:20:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:20:32,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:20:34,534 WARN L180 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2018-12-08 20:20:34,614 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 9 proven. 85 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-08 20:20:34,614 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:20:34,746 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:34,779 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:34,811 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:34,840 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:34,880 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:34,916 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:34,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:34,974 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,032 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,059 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,088 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,116 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,147 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,177 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,218 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,258 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,289 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,316 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,345 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,370 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,397 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,425 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,457 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,520 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,550 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,577 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,610 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,645 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,674 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,704 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,734 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,791 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,818 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,846 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,907 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,935 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,962 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:35,987 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,015 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,042 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,076 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,145 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,176 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,205 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,234 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,261 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,290 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,320 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,349 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,378 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,413 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,452 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,481 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,512 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,541 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,574 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,604 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,636 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,667 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,698 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,736 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,792 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,851 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,882 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,915 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,941 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,968 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:36,994 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,020 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,047 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,083 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,112 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,141 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,171 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,199 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,226 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,251 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,279 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,310 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,339 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,367 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,397 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,426 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,455 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,521 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,551 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,580 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,611 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,640 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,670 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,703 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,785 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,815 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,844 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:37,928 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,005 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,067 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,142 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,222 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,301 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,354 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,382 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,412 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,443 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,470 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,502 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,536 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,570 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,604 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,634 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,665 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,697 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,726 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,756 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,789 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,820 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,854 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,884 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,912 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,962 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:38,990 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,016 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,041 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,068 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,095 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,152 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,177 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,203 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,236 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,278 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,322 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,364 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,412 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,476 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,523 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,552 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,584 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,618 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,648 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,677 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,706 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,734 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,792 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,819 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,847 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,899 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,955 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:39,981 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:40,015 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:40,044 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:40,071 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:40,099 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:40,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-08 20:20:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 91 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:20:44,967 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:20:44,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2018-12-08 20:20:44,967 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:20:44,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 20:20:44,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 20:20:44,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=299, Unknown=2, NotChecked=0, Total=420 [2018-12-08 20:20:44,968 INFO L87 Difference]: Start difference. First operand 5224 states and 7223 transitions. Second operand 15 states. [2018-12-08 20:20:47,323 WARN L180 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 35 [2018-12-08 20:21:04,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:21:04,333 INFO L93 Difference]: Finished difference Result 20129 states and 33261 transitions. [2018-12-08 20:21:04,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-08 20:21:04,333 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 357 [2018-12-08 20:21:04,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:21:04,407 INFO L225 Difference]: With dead ends: 20129 [2018-12-08 20:21:04,407 INFO L226 Difference]: Without dead ends: 15100 [2018-12-08 20:21:04,420 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 758 GetRequests, 538 SyntacticMatches, 169 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2023 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=719, Invalid=2035, Unknown=2, NotChecked=0, Total=2756 [2018-12-08 20:21:04,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15100 states. [2018-12-08 20:21:04,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15100 to 14027. [2018-12-08 20:21:04,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14027 states. [2018-12-08 20:21:04,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14027 states to 14027 states and 19654 transitions. [2018-12-08 20:21:04,672 INFO L78 Accepts]: Start accepts. Automaton has 14027 states and 19654 transitions. Word has length 357 [2018-12-08 20:21:04,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:21:04,673 INFO L480 AbstractCegarLoop]: Abstraction has 14027 states and 19654 transitions. [2018-12-08 20:21:04,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 20:21:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 14027 states and 19654 transitions. [2018-12-08 20:21:04,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2018-12-08 20:21:04,685 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:21:04,685 INFO L402 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 20:21:04,685 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:21:04,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:21:04,686 INFO L82 PathProgramCache]: Analyzing trace with hash -50967816, now seen corresponding path program 1 times [2018-12-08 20:21:04,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:21:04,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:21:04,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:21:04,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:21:04,686 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:21:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:21:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 329 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 20:21:04,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:21:04,821 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:21:04,822 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 395 with the following transitions: [2018-12-08 20:21:04,822 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [538], [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], [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], [854], [859], [861], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:21:04,824 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:21:04,824 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:21:05,129 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:21:05,129 INFO L272 AbstractInterpreter]: Visited 155 different actions 608 times. Merged at 6 different actions 20 times. Never widened. Performed 8406 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8406 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:21:05,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:21:05,131 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:21:05,131 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:21:05,131 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 [2018-12-08 20:21:05,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:21:05,136 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:21:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:21:05,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:21:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 329 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 20:21:05,309 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:21:05,470 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 329 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 20:21:05,484 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:21:05,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-12-08 20:21:05,484 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:21:05,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:21:05,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:21:05,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-08 20:21:05,485 INFO L87 Difference]: Start difference. First operand 14027 states and 19654 transitions. Second operand 7 states. [2018-12-08 20:21:06,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:21:06,425 INFO L93 Difference]: Finished difference Result 35197 states and 50888 transitions. [2018-12-08 20:21:06,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 20:21:06,425 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 394 [2018-12-08 20:21:06,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:21:06,465 INFO L225 Difference]: With dead ends: 35197 [2018-12-08 20:21:06,466 INFO L226 Difference]: Without dead ends: 21365 [2018-12-08 20:21:06,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 801 GetRequests, 789 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-12-08 20:21:06,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21365 states. [2018-12-08 20:21:06,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21365 to 20212. [2018-12-08 20:21:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20212 states. [2018-12-08 20:21:06,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20212 states to 20212 states and 28154 transitions. [2018-12-08 20:21:06,712 INFO L78 Accepts]: Start accepts. Automaton has 20212 states and 28154 transitions. Word has length 394 [2018-12-08 20:21:06,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:21:06,712 INFO L480 AbstractCegarLoop]: Abstraction has 20212 states and 28154 transitions. [2018-12-08 20:21:06,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:21:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 20212 states and 28154 transitions. [2018-12-08 20:21:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 20:21:06,730 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:21:06,731 INFO L402 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, 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, 2, 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] [2018-12-08 20:21:06,731 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:21:06,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:21:06,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1156890145, now seen corresponding path program 1 times [2018-12-08 20:21:06,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:21:06,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:21:06,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:21:06,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:21:06,732 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:21:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:21:06,922 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 355 proven. 99 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:21:06,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:21:06,922 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:21:06,922 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 426 with the following transitions: [2018-12-08 20:21:06,923 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [615], [626], [629], [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], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [854], [859], [861], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:21:06,925 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:21:06,925 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:21:07,213 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:21:07,213 INFO L272 AbstractInterpreter]: Visited 155 different actions 460 times. Merged at 6 different actions 17 times. Never widened. Performed 6309 root evaluator evaluations with a maximum evaluation depth of 16. Performed 6309 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:21:07,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:21:07,215 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:21:07,215 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:21:07,215 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 [2018-12-08 20:21:07,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:21:07,221 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:21:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:21:07,277 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:21:07,335 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 360 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 20:21:07,335 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:21:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 360 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 20:21:07,479 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:21:07,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-12-08 20:21:07,479 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:21:07,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:21:07,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:21:07,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:21:07,480 INFO L87 Difference]: Start difference. First operand 20212 states and 28154 transitions. Second operand 6 states. [2018-12-08 20:21:08,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:21:08,221 INFO L93 Difference]: Finished difference Result 43406 states and 62248 transitions. [2018-12-08 20:21:08,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:21:08,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 425 [2018-12-08 20:21:08,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:21:08,260 INFO L225 Difference]: With dead ends: 43406 [2018-12-08 20:21:08,261 INFO L226 Difference]: Without dead ends: 23389 [2018-12-08 20:21:08,285 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 863 GetRequests, 851 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:21:08,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23389 states. [2018-12-08 20:21:08,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23389 to 22690. [2018-12-08 20:21:08,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22690 states. [2018-12-08 20:21:08,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22690 states to 22690 states and 29781 transitions. [2018-12-08 20:21:08,523 INFO L78 Accepts]: Start accepts. Automaton has 22690 states and 29781 transitions. Word has length 425 [2018-12-08 20:21:08,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:21:08,523 INFO L480 AbstractCegarLoop]: Abstraction has 22690 states and 29781 transitions. [2018-12-08 20:21:08,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:21:08,523 INFO L276 IsEmpty]: Start isEmpty. Operand 22690 states and 29781 transitions. [2018-12-08 20:21:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2018-12-08 20:21:08,536 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:21:08,537 INFO L402 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 20:21:08,537 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:21:08,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:21:08,537 INFO L82 PathProgramCache]: Analyzing trace with hash 2129983187, now seen corresponding path program 1 times [2018-12-08 20:21:08,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:21:08,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:21:08,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:21:08,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:21:08,537 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:21:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:21:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 137 proven. 233 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-08 20:21:08,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:21:08,691 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:21:08,691 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 437 with the following transitions: [2018-12-08 20:21:08,691 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [615], [626], [630], [634], [638], [642], [646], [650], [653], [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], [820], [824], [828], [832], [843], [847], [851], [854], [859], [861], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:21:08,692 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:21:08,693 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:21:09,152 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:21:09,152 INFO L272 AbstractInterpreter]: Visited 159 different actions 627 times. Merged at 7 different actions 26 times. Never widened. Performed 8947 root evaluator evaluations with a maximum evaluation depth of 17. Performed 8947 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 6 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-08 20:21:09,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:21:09,154 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:21:09,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:21:09,154 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 [2018-12-08 20:21:09,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:21:09,160 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:21:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:21:09,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:21:11,809 WARN L180 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 33 DAG size of output: 13 [2018-12-08 20:21:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 324 proven. 106 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 20:21:11,978 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:21:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 368 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:21:12,482 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:21:12,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 16 [2018-12-08 20:21:12,483 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:21:12,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 20:21:12,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 20:21:12,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=177, Unknown=2, NotChecked=0, Total=240 [2018-12-08 20:21:12,483 INFO L87 Difference]: Start difference. First operand 22690 states and 29781 transitions. Second operand 11 states. [2018-12-08 20:21:12,809 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-08 20:21:14,176 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-08 20:21:44,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:21:44,169 INFO L93 Difference]: Finished difference Result 56189 states and 79634 transitions. [2018-12-08 20:21:44,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-08 20:21:44,170 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 436 [2018-12-08 20:21:44,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:21:44,246 INFO L225 Difference]: With dead ends: 56189 [2018-12-08 20:21:44,246 INFO L226 Difference]: Without dead ends: 33693 [2018-12-08 20:21:44,274 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 907 GetRequests, 874 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=242, Invalid=623, Unknown=5, NotChecked=0, Total=870 [2018-12-08 20:21:44,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33693 states. [2018-12-08 20:21:44,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33693 to 31589. [2018-12-08 20:21:44,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31589 states. [2018-12-08 20:21:44,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31589 states to 31589 states and 41457 transitions. [2018-12-08 20:21:44,745 INFO L78 Accepts]: Start accepts. Automaton has 31589 states and 41457 transitions. Word has length 436 [2018-12-08 20:21:44,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:21:44,745 INFO L480 AbstractCegarLoop]: Abstraction has 31589 states and 41457 transitions. [2018-12-08 20:21:44,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 20:21:44,745 INFO L276 IsEmpty]: Start isEmpty. Operand 31589 states and 41457 transitions. [2018-12-08 20:21:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2018-12-08 20:21:44,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:21:44,761 INFO L402 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 20:21:44,761 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:21:44,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:21:44,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1868720152, now seen corresponding path program 1 times [2018-12-08 20:21:44,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:21:44,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:21:44,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:21:44,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:21:44,762 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:21:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:21:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 250 proven. 94 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 20:21:45,329 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:21:45,329 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:21:45,329 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 438 with the following transitions: [2018-12-08 20:21:45,329 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [594], [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], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:21:45,331 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:21:45,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:21:45,833 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:21:45,833 INFO L272 AbstractInterpreter]: Visited 186 different actions 736 times. Merged at 7 different actions 26 times. Never widened. Performed 10538 root evaluator evaluations with a maximum evaluation depth of 18. Performed 10538 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:21:45,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:21:45,835 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:21:45,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:21:45,836 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 [2018-12-08 20:21:45,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:21:45,841 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:21:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:21:45,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:21:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 389 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 20:21:46,300 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:21:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 250 proven. 94 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 20:21:46,792 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:21:46,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7, 8] total 23 [2018-12-08 20:21:46,792 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:21:46,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 20:21:46,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 20:21:46,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2018-12-08 20:21:46,793 INFO L87 Difference]: Start difference. First operand 31589 states and 41457 transitions. Second operand 18 states. [2018-12-08 20:21:51,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:21:51,490 INFO L93 Difference]: Finished difference Result 66657 states and 89453 transitions. [2018-12-08 20:21:51,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-08 20:21:51,491 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 437 [2018-12-08 20:21:51,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:21:51,546 INFO L225 Difference]: With dead ends: 66657 [2018-12-08 20:21:51,546 INFO L226 Difference]: Without dead ends: 35262 [2018-12-08 20:21:51,580 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 945 GetRequests, 891 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=717, Invalid=2145, Unknown=0, NotChecked=0, Total=2862 [2018-12-08 20:21:51,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35262 states. [2018-12-08 20:21:51,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35262 to 34890. [2018-12-08 20:21:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34890 states. [2018-12-08 20:21:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34890 states to 34890 states and 44377 transitions. [2018-12-08 20:21:51,949 INFO L78 Accepts]: Start accepts. Automaton has 34890 states and 44377 transitions. Word has length 437 [2018-12-08 20:21:51,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:21:51,949 INFO L480 AbstractCegarLoop]: Abstraction has 34890 states and 44377 transitions. [2018-12-08 20:21:51,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 20:21:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 34890 states and 44377 transitions. [2018-12-08 20:21:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-12-08 20:21:51,962 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:21:51,962 INFO L402 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 20:21:51,962 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:21:51,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:21:51,963 INFO L82 PathProgramCache]: Analyzing trace with hash -550564689, now seen corresponding path program 1 times [2018-12-08 20:21:51,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:21:51,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:21:51,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:21:51,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:21:51,963 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:21:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:21:52,189 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 140 proven. 320 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 20:21:52,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:21:52,189 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:21:52,189 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 469 with the following transitions: [2018-12-08 20:21:52,189 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [594], [595], [599], [603], [607], [611], [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], [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], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:21:52,191 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:21:52,191 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:21:52,727 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:21:52,727 INFO L272 AbstractInterpreter]: Visited 186 different actions 740 times. Merged at 7 different actions 30 times. Widened at 1 different actions 1 times. Performed 10675 root evaluator evaluations with a maximum evaluation depth of 18. Performed 10675 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-08 20:21:52,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:21:52,733 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:21:52,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:21:52,734 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 [2018-12-08 20:21:52,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:21:52,742 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:21:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:21:52,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:21:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 321 proven. 2 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-08 20:21:52,923 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:21:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 321 proven. 2 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-08 20:21:53,346 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:21:53,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-08 20:21:53,346 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:21:53,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 20:21:53,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 20:21:53,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-12-08 20:21:53,347 INFO L87 Difference]: Start difference. First operand 34890 states and 44377 transitions. Second operand 12 states. [2018-12-08 20:21:59,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:21:59,495 INFO L93 Difference]: Finished difference Result 79813 states and 103652 transitions. [2018-12-08 20:21:59,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-12-08 20:21:59,495 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 468 [2018-12-08 20:21:59,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:21:59,576 INFO L225 Difference]: With dead ends: 79813 [2018-12-08 20:21:59,576 INFO L226 Difference]: Without dead ends: 45117 [2018-12-08 20:21:59,613 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1022 GetRequests, 966 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 926 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=540, Invalid=2652, Unknown=0, NotChecked=0, Total=3192 [2018-12-08 20:21:59,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45117 states. [2018-12-08 20:22:00,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45117 to 41776. [2018-12-08 20:22:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41776 states. [2018-12-08 20:22:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41776 states to 41776 states and 53957 transitions. [2018-12-08 20:22:00,136 INFO L78 Accepts]: Start accepts. Automaton has 41776 states and 53957 transitions. Word has length 468 [2018-12-08 20:22:00,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:22:00,136 INFO L480 AbstractCegarLoop]: Abstraction has 41776 states and 53957 transitions. [2018-12-08 20:22:00,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 20:22:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 41776 states and 53957 transitions. [2018-12-08 20:22:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2018-12-08 20:22:00,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:22:00,173 INFO L402 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, 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, 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, 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] [2018-12-08 20:22:00,173 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:22:00,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:00,174 INFO L82 PathProgramCache]: Analyzing trace with hash -21129171, now seen corresponding path program 1 times [2018-12-08 20:22:00,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:22:00,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:00,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:00,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:00,174 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:22:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 691 proven. 173 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-08 20:22:00,748 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:00,748 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:22:00,748 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 624 with the following transitions: [2018-12-08 20:22:00,748 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [574], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:22:00,750 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:22:00,750 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:22:02,181 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:22:02,181 INFO L272 AbstractInterpreter]: Visited 152 different actions 764 times. Merged at 9 different actions 45 times. Never widened. Performed 10829 root evaluator evaluations with a maximum evaluation depth of 21. Performed 10829 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 17 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-08 20:22:02,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:02,183 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:22:02,183 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:02,183 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/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 [2018-12-08 20:22:02,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:02,189 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:22:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:02,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:22:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 817 proven. 2 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2018-12-08 20:22:02,389 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:22:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 503 proven. 89 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2018-12-08 20:22:02,615 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:22:02,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5] total 22 [2018-12-08 20:22:02,616 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:22:02,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-08 20:22:02,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-08 20:22:02,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2018-12-08 20:22:02,616 INFO L87 Difference]: Start difference. First operand 41776 states and 53957 transitions. Second operand 21 states. [2018-12-08 20:22:10,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:22:10,496 INFO L93 Difference]: Finished difference Result 91822 states and 132476 transitions. [2018-12-08 20:22:10,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-12-08 20:22:10,497 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 623 [2018-12-08 20:22:10,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:22:10,639 INFO L225 Difference]: With dead ends: 91822 [2018-12-08 20:22:10,639 INFO L226 Difference]: Without dead ends: 47473 [2018-12-08 20:22:10,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1409 GetRequests, 1299 SyntacticMatches, 5 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3948 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1715, Invalid=9627, Unknown=0, NotChecked=0, Total=11342 [2018-12-08 20:22:10,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47473 states. [2018-12-08 20:22:11,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47473 to 42499. [2018-12-08 20:22:11,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42499 states. [2018-12-08 20:22:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42499 states to 42499 states and 52028 transitions. [2018-12-08 20:22:11,471 INFO L78 Accepts]: Start accepts. Automaton has 42499 states and 52028 transitions. Word has length 623 [2018-12-08 20:22:11,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:22:11,472 INFO L480 AbstractCegarLoop]: Abstraction has 42499 states and 52028 transitions. [2018-12-08 20:22:11,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-08 20:22:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 42499 states and 52028 transitions. [2018-12-08 20:22:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2018-12-08 20:22:11,511 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:22:11,511 INFO L402 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, 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, 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, 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] [2018-12-08 20:22:11,511 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:22:11,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:11,511 INFO L82 PathProgramCache]: Analyzing trace with hash 859831978, now seen corresponding path program 1 times [2018-12-08 20:22:11,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:22:11,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:11,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:11,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:11,512 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:22:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 623 proven. 94 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2018-12-08 20:22:11,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:11,747 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:22:11,747 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 694 with the following transitions: [2018-12-08 20:22:11,747 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [931], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:22:11,750 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:22:11,750 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:22:12,937 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:22:12,937 INFO L272 AbstractInterpreter]: Visited 173 different actions 692 times. Merged at 9 different actions 31 times. Never widened. Performed 10105 root evaluator evaluations with a maximum evaluation depth of 21. Performed 10105 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 11 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-08 20:22:12,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:12,939 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:22:12,939 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:12,939 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:22:12,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:12,945 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:22:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:13,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:22:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 942 proven. 2 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2018-12-08 20:22:13,160 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:22:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 623 proven. 94 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2018-12-08 20:22:13,371 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:22:13,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2018-12-08 20:22:13,372 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:22:13,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:22:13,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:22:13,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:22:13,373 INFO L87 Difference]: Start difference. First operand 42499 states and 52028 transitions. Second operand 6 states. [2018-12-08 20:22:15,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:22:15,318 INFO L93 Difference]: Finished difference Result 76067 states and 93103 transitions. [2018-12-08 20:22:15,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 20:22:15,318 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 693 [2018-12-08 20:22:15,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:22:15,370 INFO L225 Difference]: With dead ends: 76067 [2018-12-08 20:22:15,370 INFO L226 Difference]: Without dead ends: 33762 [2018-12-08 20:22:15,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1400 GetRequests, 1387 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-12-08 20:22:15,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33762 states. [2018-12-08 20:22:15,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33762 to 32784. [2018-12-08 20:22:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32784 states. [2018-12-08 20:22:15,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32784 states to 32784 states and 38728 transitions. [2018-12-08 20:22:15,814 INFO L78 Accepts]: Start accepts. Automaton has 32784 states and 38728 transitions. Word has length 693 [2018-12-08 20:22:15,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:22:15,814 INFO L480 AbstractCegarLoop]: Abstraction has 32784 states and 38728 transitions. [2018-12-08 20:22:15,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:22:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 32784 states and 38728 transitions. [2018-12-08 20:22:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2018-12-08 20:22:15,847 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:22:15,847 INFO L402 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2018-12-08 20:22:15,847 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:22:15,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:15,847 INFO L82 PathProgramCache]: Analyzing trace with hash -2065853772, now seen corresponding path program 1 times [2018-12-08 20:22:15,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:22:15,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:15,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:15,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:15,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:22:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1851 backedges. 530 proven. 731 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2018-12-08 20:22:16,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:16,521 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:22:16,521 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 755 with the following transitions: [2018-12-08 20:22:16,521 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:22:16,523 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:22:16,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:22:19,029 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:22:19,029 INFO L272 AbstractInterpreter]: Visited 152 different actions 762 times. Merged at 9 different actions 44 times. Never widened. Performed 10693 root evaluator evaluations with a maximum evaluation depth of 21. Performed 10693 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 16 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-08 20:22:19,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:19,031 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:22:19,031 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:19,031 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:22:19,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:19,037 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:22:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:19,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:22:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1851 backedges. 1302 proven. 2 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-08 20:22:19,319 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:22:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1851 backedges. 574 proven. 186 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2018-12-08 20:22:19,650 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:22:19,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 18 [2018-12-08 20:22:19,650 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:22:19,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 20:22:19,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 20:22:19,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2018-12-08 20:22:19,651 INFO L87 Difference]: Start difference. First operand 32784 states and 38728 transitions. Second operand 16 states. [2018-12-08 20:22:25,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:22:25,849 INFO L93 Difference]: Finished difference Result 69641 states and 83482 transitions. [2018-12-08 20:22:25,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-12-08 20:22:25,850 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 754 [2018-12-08 20:22:25,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:22:25,914 INFO L225 Difference]: With dead ends: 69641 [2018-12-08 20:22:25,914 INFO L226 Difference]: Without dead ends: 37071 [2018-12-08 20:22:25,950 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1629 GetRequests, 1550 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2017 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1251, Invalid=5069, Unknown=0, NotChecked=0, Total=6320 [2018-12-08 20:22:25,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37071 states. [2018-12-08 20:22:26,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37071 to 34488. [2018-12-08 20:22:26,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34488 states. [2018-12-08 20:22:26,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34488 states to 34488 states and 39820 transitions. [2018-12-08 20:22:26,417 INFO L78 Accepts]: Start accepts. Automaton has 34488 states and 39820 transitions. Word has length 754 [2018-12-08 20:22:26,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:22:26,418 INFO L480 AbstractCegarLoop]: Abstraction has 34488 states and 39820 transitions. [2018-12-08 20:22:26,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 20:22:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 34488 states and 39820 transitions. [2018-12-08 20:22:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2018-12-08 20:22:26,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:22:26,451 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:22:26,451 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:22:26,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:26,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1277582382, now seen corresponding path program 1 times [2018-12-08 20:22:26,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:22:26,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:26,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:26,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:26,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:22:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 593 proven. 457 refuted. 0 times theorem prover too weak. 1989 trivial. 0 not checked. [2018-12-08 20:22:26,801 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:26,801 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:22:26,801 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 912 with the following transitions: [2018-12-08 20:22:26,801 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [784], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:22:26,803 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:22:26,803 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:22:30,485 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:22:30,485 INFO L272 AbstractInterpreter]: Visited 147 different actions 729 times. Merged at 10 different actions 45 times. Widened at 1 different actions 1 times. Performed 10251 root evaluator evaluations with a maximum evaluation depth of 21. Performed 10251 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 20 fixpoints after 6 different actions. Largest state had 28 variables. [2018-12-08 20:22:30,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:30,488 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:22:30,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:30,488 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:22:30,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:30,493 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:22:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:30,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:22:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 1801 proven. 2 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2018-12-08 20:22:30,866 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:22:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 593 proven. 457 refuted. 0 times theorem prover too weak. 1989 trivial. 0 not checked. [2018-12-08 20:22:31,163 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:22:31,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 20:22:31,163 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:22:31,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 20:22:31,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 20:22:31,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:22:31,164 INFO L87 Difference]: Start difference. First operand 34488 states and 39820 transitions. Second operand 9 states. [2018-12-08 20:22:32,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:22:32,784 INFO L93 Difference]: Finished difference Result 67726 states and 78804 transitions. [2018-12-08 20:22:32,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 20:22:32,784 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 911 [2018-12-08 20:22:32,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:22:32,840 INFO L225 Difference]: With dead ends: 67726 [2018-12-08 20:22:32,841 INFO L226 Difference]: Without dead ends: 38150 [2018-12-08 20:22:32,873 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1840 GetRequests, 1823 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-08 20:22:32,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38150 states. [2018-12-08 20:22:33,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38150 to 34938. [2018-12-08 20:22:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34938 states. [2018-12-08 20:22:33,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34938 states to 34938 states and 40231 transitions. [2018-12-08 20:22:33,328 INFO L78 Accepts]: Start accepts. Automaton has 34938 states and 40231 transitions. Word has length 911 [2018-12-08 20:22:33,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:22:33,328 INFO L480 AbstractCegarLoop]: Abstraction has 34938 states and 40231 transitions. [2018-12-08 20:22:33,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 20:22:33,329 INFO L276 IsEmpty]: Start isEmpty. Operand 34938 states and 40231 transitions. [2018-12-08 20:22:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2018-12-08 20:22:33,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:22:33,362 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2018-12-08 20:22:33,363 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:22:33,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:33,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1434655986, now seen corresponding path program 1 times [2018-12-08 20:22:33,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:22:33,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:33,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:33,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:33,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:22:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 398 proven. 10 refuted. 0 times theorem prover too weak. 2583 trivial. 0 not checked. [2018-12-08 20:22:33,641 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:33,641 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:22:33,641 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 912 with the following transitions: [2018-12-08 20:22:33,641 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [805], [807], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:22:33,643 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:22:33,643 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:22:37,302 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:22:37,302 INFO L272 AbstractInterpreter]: Visited 150 different actions 741 times. Merged at 9 different actions 40 times. Never widened. Performed 10618 root evaluator evaluations with a maximum evaluation depth of 21. Performed 10618 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 17 fixpoints after 4 different actions. Largest state had 28 variables. [2018-12-08 20:22:37,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:37,303 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:22:37,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:37,303 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:22:37,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:37,311 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:22:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:37,418 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:22:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 1566 proven. 0 refuted. 0 times theorem prover too weak. 1425 trivial. 0 not checked. [2018-12-08 20:22:37,645 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:22:37,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2991 backedges. 398 proven. 10 refuted. 0 times theorem prover too weak. 2583 trivial. 0 not checked. [2018-12-08 20:22:37,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 20:22:37,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-12-08 20:22:37,853 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 20:22:37,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:22:37,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:22:37,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:22:37,853 INFO L87 Difference]: Start difference. First operand 34938 states and 40231 transitions. Second operand 3 states. [2018-12-08 20:22:38,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:22:38,583 INFO L93 Difference]: Finished difference Result 63730 states and 73433 transitions. [2018-12-08 20:22:38,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:22:38,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 911 [2018-12-08 20:22:38,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:22:38,627 INFO L225 Difference]: With dead ends: 63730 [2018-12-08 20:22:38,627 INFO L226 Difference]: Without dead ends: 32092 [2018-12-08 20:22:38,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1824 GetRequests, 1823 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:22:38,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32092 states. [2018-12-08 20:22:39,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32092 to 31897. [2018-12-08 20:22:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31897 states. [2018-12-08 20:22:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31897 states to 31897 states and 35988 transitions. [2018-12-08 20:22:39,042 INFO L78 Accepts]: Start accepts. Automaton has 31897 states and 35988 transitions. Word has length 911 [2018-12-08 20:22:39,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:22:39,042 INFO L480 AbstractCegarLoop]: Abstraction has 31897 states and 35988 transitions. [2018-12-08 20:22:39,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:22:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 31897 states and 35988 transitions. [2018-12-08 20:22:39,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1014 [2018-12-08 20:22:39,073 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:22:39,073 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 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, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:22:39,073 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:22:39,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:39,073 INFO L82 PathProgramCache]: Analyzing trace with hash 390250518, now seen corresponding path program 1 times [2018-12-08 20:22:39,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 20:22:39,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:39,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:39,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:22:39,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 20:22:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3786 backedges. 1391 proven. 905 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked. [2018-12-08 20:22:40,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:40,211 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 20:22:40,212 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1014 with the following transitions: [2018-12-08 20:22:40,212 INFO L205 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], [273], [281], [289], [297], [305], [313], [317], [319], [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], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-08 20:22:40,213 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 20:22:40,214 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 20:22:43,805 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 20:22:43,805 INFO L272 AbstractInterpreter]: Visited 153 different actions 749 times. Merged at 8 different actions 39 times. Widened at 1 different actions 1 times. Performed 10705 root evaluator evaluations with a maximum evaluation depth of 21. Performed 10705 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 19 fixpoints after 6 different actions. Largest state had 28 variables. [2018-12-08 20:22:43,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:22:43,806 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 20:22:43,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:22:43,806 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:22:43,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:22:43,812 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 20:22:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:22:43,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:22:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3786 backedges. 2220 proven. 2 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2018-12-08 20:22:44,251 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 20:22:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3786 backedges. 996 proven. 186 refuted. 0 times theorem prover too weak. 2604 trivial. 0 not checked. [2018-12-08 20:22:45,030 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 20:22:45,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 5, 5] total 26 [2018-12-08 20:22:45,031 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 20:22:45,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-08 20:22:45,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-08 20:22:45,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=576, Unknown=0, NotChecked=0, Total=650 [2018-12-08 20:22:45,031 INFO L87 Difference]: Start difference. First operand 31897 states and 35988 transitions. Second operand 24 states. [2018-12-08 20:22:49,659 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2018-12-08 20:22:52,304 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-12-08 20:22:52,584 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2018-12-08 20:22:55,306 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2018-12-08 20:22:58,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:22:58,227 INFO L93 Difference]: Finished difference Result 57759 states and 70917 transitions. [2018-12-08 20:22:58,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-12-08 20:22:58,227 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1013 [2018-12-08 20:22:58,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:22:58,228 INFO L225 Difference]: With dead ends: 57759 [2018-12-08 20:22:58,228 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 20:22:58,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2193 GetRequests, 2079 SyntacticMatches, 3 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4015 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=1840, Invalid=10816, Unknown=0, NotChecked=0, Total=12656 [2018-12-08 20:22:58,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 20:22:58,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 20:22:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 20:22:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 20:22:58,296 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1013 [2018-12-08 20:22:58,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:22:58,296 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 20:22:58,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-08 20:22:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 20:22:58,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:22:58,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 20:22:58,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:58,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:22:59,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:00,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:01,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:02,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:03,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:04,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:04,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:04,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:04,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:04,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:04,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:05,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:05,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:05,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:05,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:06,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:07,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:08,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:09,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:10,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:10,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:10,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:10,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:10,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:10,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:10,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:10,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:10,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:11,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:11,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:11,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:11,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:11,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:11,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:11,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:11,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:12,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:13,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:14,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:14,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:14,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:14,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:15,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:15,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:15,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:15,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:15,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:15,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:15,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:16,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:16,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:16,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:16,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:17,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:17,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:17,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:17,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:17,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:17,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,455 WARN L180 SmtUtils]: Spent 18.80 s on a formula simplification. DAG size of input: 2596 DAG size of output: 1903 [2018-12-08 20:23:18,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:18,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:19,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:20,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:21,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:22,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:22,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:22,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:22,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:22,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:23,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:23,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:23,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:23,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:23,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:23,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:23,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:24,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:24,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:25,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:26,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:27,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:28,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:29,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:29,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:29,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:29,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:29,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:29,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:30,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:30,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:30,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:30,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:30,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:30,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:30,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:30,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:30,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:31,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:32,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:32,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:32,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:32,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:32,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:32,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:32,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:32,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:32,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:32,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:33,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:33,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:33,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:33,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:34,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:34,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:34,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:34,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:34,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:34,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:34,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:34,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:35,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:35,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:36,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:36,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:36,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:36,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:36,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:36,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:36,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:23:37,108 WARN L180 SmtUtils]: Spent 18.65 s on a formula simplification. DAG size of input: 2593 DAG size of output: 1905 [2018-12-08 20:23:43,154 WARN L180 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 815 DAG size of output: 129 [2018-12-08 20:24:14,184 WARN L180 SmtUtils]: Spent 30.99 s on a formula simplification. DAG size of input: 1827 DAG size of output: 112 [2018-12-08 20:24:46,252 WARN L180 SmtUtils]: Spent 32.06 s on a formula simplification. DAG size of input: 1830 DAG size of output: 112 [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L444 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)|)) [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-08 20:24:46,255 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 141) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,256 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,257 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,258 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-12-08 20:24:46,259 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse30 (= ~a29~0 |old(~a29~0)|)) (.cse31 (= ~a23~0 |old(~a23~0)|))) (let ((.cse23 (< 138 |old(~a23~0)|)) (.cse24 (= 10 |old(~a25~0)|)) (.cse27 (and .cse30 .cse31)) (.cse12 (= 1 |old(~a4~0)|)) (.cse8 (<= |old(~a23~0)| 306)) (.cse15 (= 13 |old(~a25~0)|)) (.cse28 (= ~a4~0 |old(~a4~0)|)) (.cse29 (= ~a25~0 |old(~a25~0)|)) (.cse9 (<= 127751 (div (div |old(~a23~0)| 5) 5))) (.cse11 (not (= 9 |old(~a25~0)|))) (.cse21 (< 140 |old(~a29~0)|))) (let ((.cse13 (or .cse9 .cse11 .cse21)) (.cse22 (<= (+ |old(~a23~0)| 43) 0)) (.cse14 (forall ((v_prenex_345 Int)) (or (< (+ (mod v_prenex_345 15) 260) |old(~a29~0)|) (< v_prenex_345 |old(~a29~0)|) (< v_prenex_345 0)))) (.cse10 (< |old(~a29~0)| 141)) (.cse17 (and .cse31 .cse30 .cse28 .cse29)) (.cse7 (not .cse15)) (.cse16 (< |old(~a25~0)| 10)) (.cse26 (< |old(~a29~0)| 10250)) (.cse18 (or .cse8 .cse15)) (.cse5 (<= |old(~a29~0)| 140)) (.cse2 (< 245 |old(~a29~0)|)) (.cse20 (< (+ |old(~a23~0)| 599772) 0)) (.cse6 (not .cse12)) (.cse19 (and (and .cse27 .cse28) .cse29)) (.cse0 (not .cse24)) (.cse3 (not (= 15 ~a8~0))) (.cse4 (not (= 1 ~a3~0))) (.cse25 (or .cse15 .cse23)) (.cse1 (and .cse30 .cse31 .cse28 .cse29))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse1 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse4 .cse8 .cse9 .cse6 .cse7) (or .cse10 .cse3 .cse4 .cse9 .cse11 .cse1 .cse6) (or .cse3 .cse4 .cse12 .cse13 .cse1) (or (or .cse9 .cse14 .cse15) .cse16 .cse10 .cse3 .cse4 .cse17 .cse6) (or .cse0 .cse3 .cse4 .cse9 .cse18 .cse6 .cse1) (or .cse19 (or .cse3 .cse4 (or .cse13 .cse20))) (or (not (= 12 |old(~a25~0)|)) .cse3 .cse4 (and .cse8 (< 277 |old(~a29~0)|)) .cse1 (not (= 0 |old(~a4~0)|))) (or .cse0 .cse3 .cse4 (or .cse9 .cse21) .cse1 .cse12) (or .cse3 .cse4 .cse12 .cse1 .cse7 .cse22 .cse23) (or .cse16 .cse3 .cse4 .cse9 .cse6 .cse15 .cse1 .cse24 .cse20) (or .cse1 .cse21 .cse20 .cse3 .cse4 .cse9 .cse6 .cse7) (or .cse3 .cse4 .cse17 .cse22 (or .cse25 .cse6)) (or .cse14 .cse11 .cse1 .cse10 .cse3 .cse4 .cse6) (or .cse17 .cse26 (or .cse3 .cse4 .cse9 .cse7 .cse20) .cse6) (or .cse16 .cse3 .cse4 .cse25 .cse12 .cse1) (or .cse3 .cse4 .cse26 .cse1 .cse11 .cse23) (or (and .cse27 .cse28 .cse29) (or .cse3 .cse4 .cse26 .cse9 .cse18 .cse6)) (or .cse5 (or .cse3 .cse4 (or .cse2 .cse23 .cse20) .cse6) .cse19) (or .cse0 .cse3 .cse4 .cse25 .cse1))))) [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-08 20:24:46,260 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,261 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,262 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-12-08 20:24:46,263 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-12-08 20:24:46,264 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,265 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-12-08 20:24:46,266 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-12-08 20:24:46,267 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L444 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) (= ~a25~0 10) (= ~a3~0 1)) [2018-12-08 20:24:46,268 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:24:46,268 INFO L444 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)) (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 312) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-12-08 20:24:46,268 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-12-08 20:24:46,269 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse16 (= 9 ~a25~0)) (.cse9 (< (div (div ~a23~0 5) 5) 127751)) (.cse18 (<= ~a29~0 140))) (let ((.cse15 (<= ~a29~0 274)) (.cse11 (and .cse16 .cse9 .cse18)) (.cse3 (< 0 (+ ~a23~0 43))) (.cse14 (not (= ~a4~0 1))) (.cse0 (not (= ~a25~0 13))) (.cse13 (<= 10 ~a25~0)) (.cse6 (= 10 ~a25~0)) (.cse12 (<= 0 (+ ~a23~0 599772))) (.cse2 (= 1 ~a4~0)) (.cse7 (= |old(~a4~0)| ~a4~0)) (.cse10 (= 13 ~a25~0)) (.cse4 (<= 141 ~a29~0)) (.cse5 (<= ~a29~0 245)) (.cse17 (<= 10250 ~a29~0)) (.cse1 (<= ~a23~0 138)) (.cse8 (< 306 ~a23~0))) (or (and (and (and .cse0 .cse1) .cse2) .cse3) (and .cse4 .cse5 (and .cse2 .cse6)) (not (= 10 |old(~a25~0)|)) (not (= 1 |old(~a4~0)|)) (and .cse7 (and .cse8 .cse9 .cse10)) (not (= 130 |old(~a29~0)|)) (and .cse11 .cse12) (not (= 1 ~a3~0)) (and .cse0 .cse13 .cse1 .cse14) (and .cse15 .cse16 .cse4 .cse2) (and .cse13 (and (and .cse0 .cse15 .cse9) .cse2) .cse4) (and .cse11 .cse14) (and .cse1 .cse6) (and .cse8 .cse9 .cse6 .cse2) (and .cse9 .cse2 .cse17 .cse8) (and (and .cse17 (and (and .cse12 .cse9) .cse10)) .cse2) (not (= 312 |old(~a23~0)|)) (and (and .cse9 .cse18) .cse6 .cse14) (and .cse3 (and .cse1 .cse10) .cse14) (and .cse16 .cse9 .cse4 .cse2) (and .cse4 (and (and .cse12 .cse1 .cse5) .cse2)) (and .cse0 .cse9 .cse2 .cse12 .cse13 (not .cse6)) (and (and (and .cse12 .cse9 .cse18) .cse10) .cse2) (and .cse7 (and .cse10 .cse4 .cse5)) (and .cse17 (and .cse16 .cse1)) (and (= ~a25~0 12) (= 0 ~a4~0) (or .cse8 (<= ~a29~0 277))) (not (= 15 ~a8~0))))) [2018-12-08 20:24:46,269 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-12-08 20:24:46,269 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-12-08 20:24:46,269 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse16 (= 9 ~a25~0)) (.cse9 (< (div (div ~a23~0 5) 5) 127751)) (.cse18 (<= ~a29~0 140))) (let ((.cse15 (<= ~a29~0 274)) (.cse11 (and .cse16 .cse9 .cse18)) (.cse3 (< 0 (+ ~a23~0 43))) (.cse14 (not (= ~a4~0 1))) (.cse0 (not (= ~a25~0 13))) (.cse13 (<= 10 ~a25~0)) (.cse6 (= 10 ~a25~0)) (.cse12 (<= 0 (+ ~a23~0 599772))) (.cse2 (= 1 ~a4~0)) (.cse7 (= |old(~a4~0)| ~a4~0)) (.cse10 (= 13 ~a25~0)) (.cse4 (<= 141 ~a29~0)) (.cse5 (<= ~a29~0 245)) (.cse17 (<= 10250 ~a29~0)) (.cse1 (<= ~a23~0 138)) (.cse8 (< 306 ~a23~0))) (or (and (and (and .cse0 .cse1) .cse2) .cse3) (and .cse4 .cse5 (and .cse2 .cse6)) (not (= 10 |old(~a25~0)|)) (not (= 1 |old(~a4~0)|)) (and .cse7 (and .cse8 .cse9 .cse10)) (not (= 130 |old(~a29~0)|)) (and .cse11 .cse12) (not (= 1 ~a3~0)) (and .cse0 .cse13 .cse1 .cse14) (and .cse15 .cse16 .cse4 .cse2) (and .cse13 (and (and .cse0 .cse15 .cse9) .cse2) .cse4) (and .cse11 .cse14) (and .cse1 .cse6) (and .cse8 .cse9 .cse6 .cse2) (and .cse9 .cse2 .cse17 .cse8) (and (and .cse17 (and (and .cse12 .cse9) .cse10)) .cse2) (not (= 312 |old(~a23~0)|)) (and (and .cse9 .cse18) .cse6 .cse14) (and .cse3 (and .cse1 .cse10) .cse14) (and .cse16 .cse9 .cse4 .cse2) (and .cse4 (and (and .cse12 .cse1 .cse5) .cse2)) (and .cse0 .cse9 .cse2 .cse12 .cse13 (not .cse6)) (and (and (and .cse12 .cse9 .cse18) .cse10) .cse2) (and .cse7 (and .cse10 .cse4 .cse5)) (and .cse17 (and .cse16 .cse1)) (and (= ~a25~0 12) (= 0 ~a4~0) (or .cse8 (<= ~a29~0 277))) (not (= 15 ~a8~0))))) [2018-12-08 20:24:46,269 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-12-08 20:24:46,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:24:46 BoogieIcfgContainer [2018-12-08 20:24:46,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:24:46,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:24:46,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:24:46,278 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:24:46,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:20:08" (3/4) ... [2018-12-08 20:24:46,280 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:24:46,284 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 20:24:46,284 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 20:24:46,284 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 20:24:46,292 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 20:24:46,293 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 20:24:46,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((!(a25 == 13) && a23 <= 138) && 1 == a4) && 0 < a23 + 43) || ((141 <= a29 && a29 <= 245) && 1 == a4 && 10 == a25)) || !(10 == \old(a25))) || !(1 == \old(a4))) || (\old(a4) == a4 && (306 < a23 && a23 / 5 / 5 < 127751) && 13 == a25)) || !(130 == \old(a29))) || (((9 == a25 && a23 / 5 / 5 < 127751) && a29 <= 140) && 0 <= a23 + 599772)) || !(1 == a3)) || (((!(a25 == 13) && 10 <= a25) && a23 <= 138) && !(a4 == 1))) || (((a29 <= 274 && 9 == a25) && 141 <= a29) && 1 == a4)) || ((10 <= a25 && ((!(a25 == 13) && a29 <= 274) && a23 / 5 / 5 < 127751) && 1 == a4) && 141 <= a29)) || (((9 == a25 && a23 / 5 / 5 < 127751) && a29 <= 140) && !(a4 == 1))) || (a23 <= 138 && 10 == a25)) || (((306 < a23 && a23 / 5 / 5 < 127751) && 10 == a25) && 1 == a4)) || (((a23 / 5 / 5 < 127751 && 1 == a4) && 10250 <= a29) && 306 < a23)) || ((10250 <= a29 && (0 <= a23 + 599772 && a23 / 5 / 5 < 127751) && 13 == a25) && 1 == a4)) || !(312 == \old(a23))) || (((a23 / 5 / 5 < 127751 && a29 <= 140) && 10 == a25) && !(a4 == 1))) || ((0 < a23 + 43 && a23 <= 138 && 13 == a25) && !(a4 == 1))) || (((9 == a25 && a23 / 5 / 5 < 127751) && 141 <= a29) && 1 == a4)) || (141 <= a29 && ((0 <= a23 + 599772 && a23 <= 138) && a29 <= 245) && 1 == a4)) || (((((!(a25 == 13) && a23 / 5 / 5 < 127751) && 1 == a4) && 0 <= a23 + 599772) && 10 <= a25) && !(10 == a25))) || ((((0 <= a23 + 599772 && a23 / 5 / 5 < 127751) && a29 <= 140) && 13 == a25) && 1 == a4)) || (\old(a4) == a4 && (13 == a25 && 141 <= a29) && a29 <= 245)) || (10250 <= a29 && 9 == a25 && a23 <= 138)) || ((a25 == 12 && 0 == a4) && (306 < a23 || a29 <= 277))) || !(15 == a8) [2018-12-08 20:24:46,370 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fbf02509-b6d1-49d0-9331-aeb5b481e14b/bin-2019/utaipan/witness.graphml [2018-12-08 20:24:46,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:24:46,371 INFO L168 Benchmark]: Toolchain (without parser) took 279722.76 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.7 GB). Free memory was 941.6 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 341.6 MB. Max. memory is 11.5 GB. [2018-12-08 20:24:46,371 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:24:46,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2018-12-08 20:24:46,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:24:46,372 INFO L168 Benchmark]: Boogie Preprocessor took 68.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:24:46,372 INFO L168 Benchmark]: RCFGBuilder took 937.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.8 MB in the end (delta: 164.1 MB). Peak memory consumption was 164.1 MB. Max. memory is 11.5 GB. [2018-12-08 20:24:46,372 INFO L168 Benchmark]: TraceAbstraction took 278098.94 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 919.8 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-12-08 20:24:46,372 INFO L168 Benchmark]: Witness Printer took 92.65 ms. Allocated memory is still 3.7 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 47.1 kB). Peak memory consumption was 47.1 kB. Max. memory is 11.5 GB. [2018-12-08 20:24:46,373 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 492.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 937.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.8 MB in the end (delta: 164.1 MB). Peak memory consumption was 164.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 278098.94 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 919.8 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 92.65 ms. Allocated memory is still 3.7 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 47.1 kB). Peak memory consumption was 47.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 141]: 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 Derived loop invariant: ((((((((((((((((((((((((((((!(a25 == 13) && a23 <= 138) && 1 == a4) && 0 < a23 + 43) || ((141 <= a29 && a29 <= 245) && 1 == a4 && 10 == a25)) || !(10 == \old(a25))) || !(1 == \old(a4))) || (\old(a4) == a4 && (306 < a23 && a23 / 5 / 5 < 127751) && 13 == a25)) || !(130 == \old(a29))) || (((9 == a25 && a23 / 5 / 5 < 127751) && a29 <= 140) && 0 <= a23 + 599772)) || !(1 == a3)) || (((!(a25 == 13) && 10 <= a25) && a23 <= 138) && !(a4 == 1))) || (((a29 <= 274 && 9 == a25) && 141 <= a29) && 1 == a4)) || ((10 <= a25 && ((!(a25 == 13) && a29 <= 274) && a23 / 5 / 5 < 127751) && 1 == a4) && 141 <= a29)) || (((9 == a25 && a23 / 5 / 5 < 127751) && a29 <= 140) && !(a4 == 1))) || (a23 <= 138 && 10 == a25)) || (((306 < a23 && a23 / 5 / 5 < 127751) && 10 == a25) && 1 == a4)) || (((a23 / 5 / 5 < 127751 && 1 == a4) && 10250 <= a29) && 306 < a23)) || ((10250 <= a29 && (0 <= a23 + 599772 && a23 / 5 / 5 < 127751) && 13 == a25) && 1 == a4)) || !(312 == \old(a23))) || (((a23 / 5 / 5 < 127751 && a29 <= 140) && 10 == a25) && !(a4 == 1))) || ((0 < a23 + 43 && a23 <= 138 && 13 == a25) && !(a4 == 1))) || (((9 == a25 && a23 / 5 / 5 < 127751) && 141 <= a29) && 1 == a4)) || (141 <= a29 && ((0 <= a23 + 599772 && a23 <= 138) && a29 <= 245) && 1 == a4)) || (((((!(a25 == 13) && a23 / 5 / 5 < 127751) && 1 == a4) && 0 <= a23 + 599772) && 10 <= a25) && !(10 == a25))) || ((((0 <= a23 + 599772 && a23 / 5 / 5 < 127751) && a29 <= 140) && 13 == a25) && 1 == a4)) || (\old(a4) == a4 && (13 == a25 && 141 <= a29) && a29 <= 245)) || (10250 <= a29 && 9 == a25 && a23 <= 138)) || ((a25 == 12 && 0 == a4) && (306 < a23 || a29 <= 277))) || !(15 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 278.0s OverallTime, 18 OverallIterations, 10 TraceHistogramMax, 117.0s AutomataDifference, 0.0s DeadEndRemovalTime, 107.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2133 SDtfs, 30326 SDslu, 4043 SDs, 0 SdLazy, 49679 SolverSat, 12522 SolverUnsat, 39 SolverUnknown, 0 SolverNotchecked, 88.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 16862 GetRequests, 16104 SyntacticMatches, 203 SemanticMatches, 555 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13754 ImplicationChecksByTransitivity, 29.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42499occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 19.5s AbstIntTime, 15 AbstIntIterations, 1 AbstIntStrong, 0.9977982549857551 AbsIntWeakeningRatio, 0.1527777777777778 AbsIntAvgWeakeningVarsNumRemoved, 18.32638888888889 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.7s AutomataMinimizationTime, 18 MinimizatonAttempts, 21853 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 2828 PreInvPairs, 4316 NumberOfFragments, 1788 HoareAnnotationTreeSize, 2828 FomulaSimplifications, 10737948 FormulaSimplificationTreeSizeReduction, 38.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 946750 FormulaSimplificationTreeSizeReductionInter, 69.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 23.1s InterpolantComputationTime, 16377 NumberOfCodeBlocks, 16377 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 24298 ConstructedInterpolants, 427 QuantifiedInterpolants, 57799168 SizeOfPredicates, 30 NumberOfNonLiveVariables, 12278 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 46 InterpolantComputations, 7 PerfectInterpolantSequences, 46365/51369 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...