./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/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 5a32e026edf0616eb4045a18a8b0546054fb92f7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:58:06,787 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:58:06,788 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:58:06,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:58:06,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:58:06,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:58:06,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:58:06,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:58:06,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:58:06,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:58:06,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:58:06,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:58:06,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:58:06,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:58:06,804 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:58:06,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:58:06,806 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:58:06,807 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:58:06,809 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:58:06,810 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:58:06,811 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:58:06,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:58:06,813 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:58:06,814 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:58:06,814 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:58:06,815 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:58:06,815 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:58:06,816 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:58:06,817 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:58:06,818 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:58:06,818 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:58:06,819 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:58:06,819 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:58:06,819 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:58:06,820 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:58:06,820 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:58:06,821 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 05:58:06,831 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:58:06,831 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:58:06,832 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:58:06,832 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:58:06,832 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:58:06,833 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:58:06,833 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:58:06,833 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 05:58:06,833 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:58:06,833 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:58:06,833 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 05:58:06,834 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 05:58:06,834 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:58:06,834 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:58:06,834 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:58:06,835 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:58:06,835 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:58:06,835 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:58:06,835 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:58:06,835 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:58:06,835 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:58:06,836 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:58:06,836 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:58:06,836 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:58:06,836 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:58:06,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:58:06,836 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:58:06,837 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:58:06,837 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:58:06,837 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:58:06,837 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:58:06,837 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:58:06,837 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:58:06,837 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 05:58:06,838 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:58:06,838 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:58:06,838 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 05:58:06,838 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_3f543a8d-e974-4dce-9c77-e2d19acb5af8/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 -> 5a32e026edf0616eb4045a18a8b0546054fb92f7 [2018-11-23 05:58:06,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:58:06,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:58:06,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:58:06,876 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:58:06,876 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:58:06,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c [2018-11-23 05:58:06,915 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/data/69c1b6419/90b2c10b6d0c4da495a8483d0aeb90f0/FLAGbe92f98fb [2018-11-23 05:58:07,380 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:58:07,380 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/sv-benchmarks/c/eca-rers2012/Problem16_label09_true-unreach-call.c [2018-11-23 05:58:07,391 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/data/69c1b6419/90b2c10b6d0c4da495a8483d0aeb90f0/FLAGbe92f98fb [2018-11-23 05:58:07,679 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/data/69c1b6419/90b2c10b6d0c4da495a8483d0aeb90f0 [2018-11-23 05:58:07,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:58:07,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:58:07,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:58:07,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:58:07,685 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:58:07,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:58:07" (1/1) ... [2018-11-23 05:58:07,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3605d9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:07, skipping insertion in model container [2018-11-23 05:58:07,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:58:07" (1/1) ... [2018-11-23 05:58:07,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:58:07,754 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:58:08,188 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:58:08,191 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:58:08,355 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:58:08,366 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:58:08,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08 WrapperNode [2018-11-23 05:58:08,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:58:08,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:58:08,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:58:08,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:58:08,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (1/1) ... [2018-11-23 05:58:08,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (1/1) ... [2018-11-23 05:58:08,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:58:08,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:58:08,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:58:08,484 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:58:08,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (1/1) ... [2018-11-23 05:58:08,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (1/1) ... [2018-11-23 05:58:08,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (1/1) ... [2018-11-23 05:58:08,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (1/1) ... [2018-11-23 05:58:08,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (1/1) ... [2018-11-23 05:58:08,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (1/1) ... [2018-11-23 05:58:08,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (1/1) ... [2018-11-23 05:58:08,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:58:08,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:58:08,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:58:08,578 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:58:08,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:58:08,628 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 05:58:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:58:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:58:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 05:58:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 05:58:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 05:58:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 05:58:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:58:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:58:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:58:08,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:58:10,418 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:58:10,418 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 05:58:10,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:58:10 BoogieIcfgContainer [2018-11-23 05:58:10,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:58:10,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:58:10,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:58:10,422 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:58:10,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:58:07" (1/3) ... [2018-11-23 05:58:10,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440a1557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:58:10, skipping insertion in model container [2018-11-23 05:58:10,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:58:08" (2/3) ... [2018-11-23 05:58:10,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440a1557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:58:10, skipping insertion in model container [2018-11-23 05:58:10,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:58:10" (3/3) ... [2018-11-23 05:58:10,425 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label09_true-unreach-call.c [2018-11-23 05:58:10,432 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:58:10,438 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:58:10,450 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:58:10,475 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:58:10,475 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:58:10,475 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:58:10,475 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:58:10,476 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:58:10,476 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:58:10,476 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:58:10,476 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:58:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 05:58:10,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 05:58:10,502 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:58:10,503 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, 1, 1] [2018-11-23 05:58:10,505 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:58:10,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:10,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1688658390, now seen corresponding path program 1 times [2018-11-23 05:58:10,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:58:10,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:10,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:58:10,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:10,542 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:58:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:58:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:58:10,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:58:10,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:58:10,739 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:58:10,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:58:10,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:58:10,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:58:10,759 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 05:58:12,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:58:12,258 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 05:58:12,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:58:12,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 05:58:12,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:58:12,276 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 05:58:12,276 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 05:58:12,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:58:12,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 05:58:12,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 05:58:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 05:58:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1353 transitions. [2018-11-23 05:58:12,348 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1353 transitions. Word has length 53 [2018-11-23 05:58:12,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:58:12,348 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1353 transitions. [2018-11-23 05:58:12,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:58:12,349 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1353 transitions. [2018-11-23 05:58:12,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 05:58:12,353 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:58:12,353 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, 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] [2018-11-23 05:58:12,353 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:58:12,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:12,354 INFO L82 PathProgramCache]: Analyzing trace with hash -956532517, now seen corresponding path program 1 times [2018-11-23 05:58:12,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:58:12,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:12,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:58:12,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:12,355 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:58:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:58:12,470 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:58:12,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:58:12,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 05:58:12,471 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:58:12,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 05:58:12,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 05:58:12,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 05:58:12,472 INFO L87 Difference]: Start difference. First operand 742 states and 1353 transitions. Second operand 5 states. [2018-11-23 05:58:14,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:58:14,336 INFO L93 Difference]: Finished difference Result 2181 states and 4053 transitions. [2018-11-23 05:58:14,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 05:58:14,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2018-11-23 05:58:14,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:58:14,346 INFO L225 Difference]: With dead ends: 2181 [2018-11-23 05:58:14,346 INFO L226 Difference]: Without dead ends: 1445 [2018-11-23 05:58:14,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:58:14,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-11-23 05:58:14,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1437. [2018-11-23 05:58:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1437 states. [2018-11-23 05:58:14,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 2398 transitions. [2018-11-23 05:58:14,397 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 2398 transitions. Word has length 124 [2018-11-23 05:58:14,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:58:14,397 INFO L480 AbstractCegarLoop]: Abstraction has 1437 states and 2398 transitions. [2018-11-23 05:58:14,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 05:58:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2398 transitions. [2018-11-23 05:58:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 05:58:14,401 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:58:14,401 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, 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] [2018-11-23 05:58:14,402 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:58:14,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:14,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1084580230, now seen corresponding path program 1 times [2018-11-23 05:58:14,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:58:14,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:14,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:58:14,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:14,403 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:58:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:58:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:58:14,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:58:14,532 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:58:14,532 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-23 05:58:14,534 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 05:58:14,570 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:58:14,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:58:14,909 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 05:58:14,910 INFO L272 AbstractInterpreter]: Visited 104 different actions 104 times. Never merged. Never widened. Performed 926 root evaluator evaluations with a maximum evaluation depth of 9. Performed 926 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 05:58:14,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:14,929 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 05:58:15,246 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 78.32% of their original sizes. [2018-11-23 05:58:15,246 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 05:58:15,281 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-23 05:58:15,282 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 05:58:15,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:58:15,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-23 05:58:15,283 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:58:15,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:58:15,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:58:15,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:58:15,284 INFO L87 Difference]: Start difference. First operand 1437 states and 2398 transitions. Second operand 6 states. [2018-11-23 05:58:39,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:58:39,024 INFO L93 Difference]: Finished difference Result 3206 states and 5285 transitions. [2018-11-23 05:58:39,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 05:58:39,024 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-23 05:58:39,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:58:39,029 INFO L225 Difference]: With dead ends: 3206 [2018-11-23 05:58:39,029 INFO L226 Difference]: Without dead ends: 1775 [2018-11-23 05:58:39,031 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:58:39,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2018-11-23 05:58:39,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 1774. [2018-11-23 05:58:39,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1774 states. [2018-11-23 05:58:39,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1774 states and 2742 transitions. [2018-11-23 05:58:39,060 INFO L78 Accepts]: Start accepts. Automaton has 1774 states and 2742 transitions. Word has length 153 [2018-11-23 05:58:39,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:58:39,060 INFO L480 AbstractCegarLoop]: Abstraction has 1774 states and 2742 transitions. [2018-11-23 05:58:39,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:58:39,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2742 transitions. [2018-11-23 05:58:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-23 05:58:39,064 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:58:39,064 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:58:39,064 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:58:39,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:39,065 INFO L82 PathProgramCache]: Analyzing trace with hash -197723745, now seen corresponding path program 1 times [2018-11-23 05:58:39,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:58:39,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:39,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:58:39,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:39,066 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:58:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:58:39,267 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 158 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:58:39,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:58:39,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:58:39,268 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-11-23 05:58:39,268 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 05:58:39,272 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:58:39,272 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:58:39,560 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:58:39,560 INFO L272 AbstractInterpreter]: Visited 109 different actions 422 times. Merged at 6 different actions 19 times. Never widened. Performed 4026 root evaluator evaluations with a maximum evaluation depth of 9. Performed 4026 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 05:58:39,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:39,577 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:58:39,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:58:39,578 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:58:39,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:58:39,592 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:58:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:58:39,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:58:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:58:39,798 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:58:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:58:39,984 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:58:39,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 13 [2018-11-23 05:58:39,985 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:58:39,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 05:58:39,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 05:58:39,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 05:58:39,986 INFO L87 Difference]: Start difference. First operand 1774 states and 2742 transitions. Second operand 10 states. [2018-11-23 05:58:44,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:58:44,602 INFO L93 Difference]: Finished difference Result 5643 states and 9140 transitions. [2018-11-23 05:58:44,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 05:58:44,602 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 244 [2018-11-23 05:58:44,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:58:44,616 INFO L225 Difference]: With dead ends: 5643 [2018-11-23 05:58:44,616 INFO L226 Difference]: Without dead ends: 3488 [2018-11-23 05:58:44,629 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2018-11-23 05:58:44,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3488 states. [2018-11-23 05:58:44,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3488 to 3477. [2018-11-23 05:58:44,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-11-23 05:58:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 3956 transitions. [2018-11-23 05:58:44,704 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 3956 transitions. Word has length 244 [2018-11-23 05:58:44,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:58:44,705 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 3956 transitions. [2018-11-23 05:58:44,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 05:58:44,705 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 3956 transitions. [2018-11-23 05:58:44,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-11-23 05:58:44,712 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:58:44,712 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:58:44,713 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:58:44,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:44,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1772027342, now seen corresponding path program 1 times [2018-11-23 05:58:44,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:58:44,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:44,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:58:44,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:44,714 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:58:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:58:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 05:58:44,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:58:44,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:58:44,947 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:58:44,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:58:44,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:58:44,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:58:44,948 INFO L87 Difference]: Start difference. First operand 3477 states and 3956 transitions. Second operand 4 states. [2018-11-23 05:58:46,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:58:46,047 INFO L93 Difference]: Finished difference Result 6608 states and 7672 transitions. [2018-11-23 05:58:46,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:58:46,048 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 421 [2018-11-23 05:58:46,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:58:46,063 INFO L225 Difference]: With dead ends: 6608 [2018-11-23 05:58:46,063 INFO L226 Difference]: Without dead ends: 4156 [2018-11-23 05:58:46,072 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 [2018-11-23 05:58:46,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4156 states. [2018-11-23 05:58:46,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4156 to 4151. [2018-11-23 05:58:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4151 states. [2018-11-23 05:58:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4151 states to 4151 states and 4633 transitions. [2018-11-23 05:58:46,156 INFO L78 Accepts]: Start accepts. Automaton has 4151 states and 4633 transitions. Word has length 421 [2018-11-23 05:58:46,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:58:46,157 INFO L480 AbstractCegarLoop]: Abstraction has 4151 states and 4633 transitions. [2018-11-23 05:58:46,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:58:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 4151 states and 4633 transitions. [2018-11-23 05:58:46,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2018-11-23 05:58:46,169 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:58:46,169 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, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:58:46,170 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:58:46,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:46,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1779248463, now seen corresponding path program 1 times [2018-11-23 05:58:46,170 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:58:46,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:46,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:58:46,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:46,171 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:58:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:58:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 369 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 05:58:46,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:58:46,491 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:58:46,491 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 537 with the following transitions: [2018-11-23 05:58:46,492 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 05:58:46,498 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:58:46,498 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:58:47,078 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:58:47,079 INFO L272 AbstractInterpreter]: Visited 249 different actions 987 times. Merged at 7 different actions 23 times. Never widened. Performed 11582 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11582 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 05:58:47,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:47,080 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:58:47,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:58:47,080 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:58:47,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:58:47,094 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:58:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:58:47,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:58:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 369 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 05:58:47,375 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:58:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 369 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-23 05:58:47,562 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:58:47,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 05:58:47,563 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:58:47,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:58:47,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:58:47,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:58:47,564 INFO L87 Difference]: Start difference. First operand 4151 states and 4633 transitions. Second operand 9 states. [2018-11-23 05:58:49,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:58:49,780 INFO L93 Difference]: Finished difference Result 10484 states and 12195 transitions. [2018-11-23 05:58:49,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 05:58:49,780 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 536 [2018-11-23 05:58:49,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:58:49,803 INFO L225 Difference]: With dead ends: 10484 [2018-11-23 05:58:49,803 INFO L226 Difference]: Without dead ends: 6676 [2018-11-23 05:58:49,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1093 GetRequests, 1075 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:58:49,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6676 states. [2018-11-23 05:58:49,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6676 to 6638. [2018-11-23 05:58:49,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6638 states. [2018-11-23 05:58:49,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6638 states to 6638 states and 7353 transitions. [2018-11-23 05:58:49,958 INFO L78 Accepts]: Start accepts. Automaton has 6638 states and 7353 transitions. Word has length 536 [2018-11-23 05:58:49,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:58:49,959 INFO L480 AbstractCegarLoop]: Abstraction has 6638 states and 7353 transitions. [2018-11-23 05:58:49,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:58:49,959 INFO L276 IsEmpty]: Start isEmpty. Operand 6638 states and 7353 transitions. [2018-11-23 05:58:49,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2018-11-23 05:58:49,966 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:58:49,967 INFO L402 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:58:49,967 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:58:49,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:49,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1561215206, now seen corresponding path program 1 times [2018-11-23 05:58:49,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:58:49,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:49,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:58:49,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:58:49,969 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:58:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:58:51,236 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 429 proven. 354 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 05:58:51,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:58:51,237 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:58:51,237 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 726 with the following transitions: [2018-11-23 05:58:51,237 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 05:58:51,241 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:58:51,241 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:58:51,414 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 05:58:51,414 INFO L272 AbstractInterpreter]: Visited 259 different actions 512 times. Merged at 4 different actions 4 times. Never widened. Performed 5489 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5489 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 05:58:51,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:58:51,420 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 05:58:52,090 INFO L227 lantSequenceWeakener]: Weakened 722 states. On average, predicates are now at 77.54% of their original sizes. [2018-11-23 05:58:52,090 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 05:58:52,148 INFO L415 sIntCurrentIteration]: We unified 724 AI predicates to 724 [2018-11-23 05:58:52,148 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 05:58:52,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:58:52,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-23 05:58:52,149 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:58:52,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 05:58:52,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 05:58:52,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:58:52,150 INFO L87 Difference]: Start difference. First operand 6638 states and 7353 transitions. Second operand 10 states. [2018-11-23 05:59:06,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:59:06,513 INFO L93 Difference]: Finished difference Result 13274 states and 14723 transitions. [2018-11-23 05:59:06,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 05:59:06,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 725 [2018-11-23 05:59:06,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:59:06,531 INFO L225 Difference]: With dead ends: 13274 [2018-11-23 05:59:06,532 INFO L226 Difference]: Without dead ends: 6979 [2018-11-23 05:59:06,544 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 732 GetRequests, 716 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 05:59:06,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6979 states. [2018-11-23 05:59:06,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6979 to 6977. [2018-11-23 05:59:06,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6977 states. [2018-11-23 05:59:06,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6977 states to 6977 states and 7699 transitions. [2018-11-23 05:59:06,660 INFO L78 Accepts]: Start accepts. Automaton has 6977 states and 7699 transitions. Word has length 725 [2018-11-23 05:59:06,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:59:06,660 INFO L480 AbstractCegarLoop]: Abstraction has 6977 states and 7699 transitions. [2018-11-23 05:59:06,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 05:59:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 6977 states and 7699 transitions. [2018-11-23 05:59:06,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2018-11-23 05:59:06,668 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:59:06,668 INFO L402 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 05:59:06,669 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:59:06,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:59:06,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1207088246, now seen corresponding path program 1 times [2018-11-23 05:59:06,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:59:06,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:59:06,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:59:06,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:59:06,670 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:59:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:59:07,151 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 487 proven. 2 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2018-11-23 05:59:07,151 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:59:07,151 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:59:07,151 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 734 with the following transitions: [2018-11-23 05:59:07,152 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 05:59:07,154 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:59:07,154 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:59:07,479 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 05:59:07,479 INFO L272 AbstractInterpreter]: Visited 259 different actions 764 times. Merged at 4 different actions 7 times. Never widened. Performed 8936 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8936 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 05:59:07,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:59:07,485 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 05:59:07,981 INFO L227 lantSequenceWeakener]: Weakened 730 states. On average, predicates are now at 80.24% of their original sizes. [2018-11-23 05:59:07,982 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 05:59:08,026 INFO L415 sIntCurrentIteration]: We unified 732 AI predicates to 732 [2018-11-23 05:59:08,026 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 05:59:08,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:59:08,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 05:59:08,027 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:59:08,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:59:08,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:59:08,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:59:08,027 INFO L87 Difference]: Start difference. First operand 6977 states and 7699 transitions. Second operand 9 states. [2018-11-23 05:59:45,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:59:45,399 INFO L93 Difference]: Finished difference Result 13865 states and 15339 transitions. [2018-11-23 05:59:45,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 05:59:45,400 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 733 [2018-11-23 05:59:45,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:59:45,422 INFO L225 Difference]: With dead ends: 13865 [2018-11-23 05:59:45,422 INFO L226 Difference]: Without dead ends: 7570 [2018-11-23 05:59:45,431 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 739 GetRequests, 725 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 05:59:45,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7570 states. [2018-11-23 05:59:45,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7570 to 7565. [2018-11-23 05:59:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7565 states. [2018-11-23 05:59:45,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7565 states to 7565 states and 8301 transitions. [2018-11-23 05:59:45,551 INFO L78 Accepts]: Start accepts. Automaton has 7565 states and 8301 transitions. Word has length 733 [2018-11-23 05:59:45,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:59:45,552 INFO L480 AbstractCegarLoop]: Abstraction has 7565 states and 8301 transitions. [2018-11-23 05:59:45,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:59:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand 7565 states and 8301 transitions. [2018-11-23 05:59:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 804 [2018-11-23 05:59:45,561 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:59:45,561 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:59:45,562 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:59:45,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:59:45,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1283090066, now seen corresponding path program 1 times [2018-11-23 05:59:45,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:59:45,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:59:45,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:59:45,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:59:45,563 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:59:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:59:46,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 636 proven. 2 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2018-11-23 05:59:46,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:59:46,020 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:59:46,020 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 804 with the following transitions: [2018-11-23 05:59:46,020 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1272], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 05:59:46,022 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:59:46,022 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:59:46,584 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:59:46,584 INFO L272 AbstractInterpreter]: Visited 259 different actions 1293 times. Merged at 9 different actions 41 times. Widened at 1 different actions 1 times. Performed 15783 root evaluator evaluations with a maximum evaluation depth of 15. Performed 15783 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 05:59:46,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:59:46,588 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:59:46,588 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:59:46,588 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:59:46,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:59:46,596 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:59:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:59:46,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:59:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 636 proven. 2 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2018-11-23 05:59:46,913 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:59:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1255 backedges. 636 proven. 2 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2018-11-23 05:59:47,175 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:59:47,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 05:59:47,175 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:59:47,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:59:47,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:59:47,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:59:47,176 INFO L87 Difference]: Start difference. First operand 7565 states and 8301 transitions. Second operand 9 states. [2018-11-23 05:59:48,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:59:48,938 INFO L93 Difference]: Finished difference Result 15761 states and 17402 transitions. [2018-11-23 05:59:48,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 05:59:48,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 803 [2018-11-23 05:59:48,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:59:48,960 INFO L225 Difference]: With dead ends: 15761 [2018-11-23 05:59:48,960 INFO L226 Difference]: Without dead ends: 8878 [2018-11-23 05:59:48,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1623 GetRequests, 1607 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 05:59:48,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8878 states. [2018-11-23 05:59:49,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8878 to 8844. [2018-11-23 05:59:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8844 states. [2018-11-23 05:59:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8844 states to 8844 states and 9422 transitions. [2018-11-23 05:59:49,105 INFO L78 Accepts]: Start accepts. Automaton has 8844 states and 9422 transitions. Word has length 803 [2018-11-23 05:59:49,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:59:49,107 INFO L480 AbstractCegarLoop]: Abstraction has 8844 states and 9422 transitions. [2018-11-23 05:59:49,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:59:49,107 INFO L276 IsEmpty]: Start isEmpty. Operand 8844 states and 9422 transitions. [2018-11-23 05:59:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2018-11-23 05:59:49,119 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:59:49,119 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, 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, 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, 4, 4, 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, 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] [2018-11-23 05:59:49,120 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:59:49,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:59:49,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1815376526, now seen corresponding path program 1 times [2018-11-23 05:59:49,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:59:49,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:59:49,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:59:49,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:59:49,121 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:59:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:59:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 235 proven. 538 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2018-11-23 05:59:49,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:59:49,806 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:59:49,806 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 830 with the following transitions: [2018-11-23 05:59:49,806 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 05:59:49,809 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:59:49,809 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:59:50,228 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:59:50,228 INFO L272 AbstractInterpreter]: Visited 251 different actions 1012 times. Merged at 9 different actions 40 times. Widened at 1 different actions 1 times. Performed 11822 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11822 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 05:59:50,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:59:50,230 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:59:50,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:59:50,230 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:59:50,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:59:50,237 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:59:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:59:50,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:59:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-11-23 05:59:50,584 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:59:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 1094 trivial. 0 not checked. [2018-11-23 05:59:50,804 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:59:50,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-23 05:59:50,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:59:50,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:59:50,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:59:50,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:59:50,805 INFO L87 Difference]: Start difference. First operand 8844 states and 9422 transitions. Second operand 3 states. [2018-11-23 05:59:51,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:59:51,388 INFO L93 Difference]: Finished difference Result 15049 states and 16135 transitions. [2018-11-23 05:59:51,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:59:51,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 829 [2018-11-23 05:59:51,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:59:51,403 INFO L225 Difference]: With dead ends: 15049 [2018-11-23 05:59:51,403 INFO L226 Difference]: Without dead ends: 8844 [2018-11-23 05:59:51,410 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1668 GetRequests, 1658 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:59:51,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8844 states. [2018-11-23 05:59:51,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8844 to 8788. [2018-11-23 05:59:51,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8788 states. [2018-11-23 05:59:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8788 states to 8788 states and 9223 transitions. [2018-11-23 05:59:51,487 INFO L78 Accepts]: Start accepts. Automaton has 8788 states and 9223 transitions. Word has length 829 [2018-11-23 05:59:51,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:59:51,488 INFO L480 AbstractCegarLoop]: Abstraction has 8788 states and 9223 transitions. [2018-11-23 05:59:51,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:59:51,488 INFO L276 IsEmpty]: Start isEmpty. Operand 8788 states and 9223 transitions. [2018-11-23 05:59:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1390 [2018-11-23 05:59:51,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:59:51,507 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:59:51,508 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:59:51,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:59:51,508 INFO L82 PathProgramCache]: Analyzing trace with hash 299097938, now seen corresponding path program 1 times [2018-11-23 05:59:51,508 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:59:51,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:59:51,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:59:51,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:59:51,509 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:59:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:59:53,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 1869 proven. 258 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2018-11-23 05:59:53,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:59:53,202 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:59:53,202 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1390 with the following transitions: [2018-11-23 05:59:53,203 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1272], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 05:59:53,205 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:59:53,206 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:59:54,016 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:59:54,016 INFO L272 AbstractInterpreter]: Visited 320 different actions 1587 times. Merged at 11 different actions 42 times. Widened at 1 different actions 1 times. Performed 19906 root evaluator evaluations with a maximum evaluation depth of 19. Performed 19906 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 05:59:54,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:59:54,020 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:59:54,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:59:54,020 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:59:54,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:59:54,028 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:59:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:59:54,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:59:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 1415 proven. 2 refuted. 0 times theorem prover too weak. 2269 trivial. 0 not checked. [2018-11-23 05:59:54,878 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:59:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 1415 proven. 2 refuted. 0 times theorem prover too weak. 2269 trivial. 0 not checked. [2018-11-23 05:59:55,744 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:59:55,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-11-23 05:59:55,744 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:59:55,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 05:59:55,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 05:59:55,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:59:55,746 INFO L87 Difference]: Start difference. First operand 8788 states and 9223 transitions. Second operand 18 states. [2018-11-23 06:00:00,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:00:00,358 INFO L93 Difference]: Finished difference Result 18710 states and 19767 transitions. [2018-11-23 06:00:00,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-23 06:00:00,359 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1389 [2018-11-23 06:00:00,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:00:00,381 INFO L225 Difference]: With dead ends: 18710 [2018-11-23 06:00:00,382 INFO L226 Difference]: Without dead ends: 12218 [2018-11-23 06:00:00,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2861 GetRequests, 2807 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=620, Invalid=2136, Unknown=0, NotChecked=0, Total=2756 [2018-11-23 06:00:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12218 states. [2018-11-23 06:00:00,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12218 to 11445. [2018-11-23 06:00:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11445 states. [2018-11-23 06:00:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11445 states to 11445 states and 11942 transitions. [2018-11-23 06:00:00,541 INFO L78 Accepts]: Start accepts. Automaton has 11445 states and 11942 transitions. Word has length 1389 [2018-11-23 06:00:00,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:00:00,542 INFO L480 AbstractCegarLoop]: Abstraction has 11445 states and 11942 transitions. [2018-11-23 06:00:00,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 06:00:00,542 INFO L276 IsEmpty]: Start isEmpty. Operand 11445 states and 11942 transitions. [2018-11-23 06:00:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1418 [2018-11-23 06:00:00,571 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:00:00,572 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:00:00,572 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:00:00,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:00:00,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1219038650, now seen corresponding path program 1 times [2018-11-23 06:00:00,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:00:00,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:00:00,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:00:00,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:00:00,575 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:00:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:00:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3121 backedges. 1345 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-23 06:00:01,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:00:01,594 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:00:01,595 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1418 with the following transitions: [2018-11-23 06:00:01,595 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:00:01,598 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:00:01,599 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:00:02,570 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:00:02,570 INFO L272 AbstractInterpreter]: Visited 318 different actions 1264 times. Merged at 9 different actions 33 times. Never widened. Performed 15398 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15398 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-23 06:00:02,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:00:02,571 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:00:02,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:00:02,572 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:00:02,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:00:02,579 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:00:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:00:02,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:00:03,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3121 backedges. 1345 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-23 06:00:03,340 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:00:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3121 backedges. 1345 proven. 2 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-23 06:00:04,138 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:00:04,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 06:00:04,139 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:00:04,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:00:04,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:00:04,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:00:04,140 INFO L87 Difference]: Start difference. First operand 11445 states and 11942 transitions. Second operand 9 states. [2018-11-23 06:00:06,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:00:06,887 INFO L93 Difference]: Finished difference Result 22274 states and 23532 transitions. [2018-11-23 06:00:06,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 06:00:06,888 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1417 [2018-11-23 06:00:06,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:00:06,911 INFO L225 Difference]: With dead ends: 22274 [2018-11-23 06:00:06,911 INFO L226 Difference]: Without dead ends: 11224 [2018-11-23 06:00:06,927 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2863 GetRequests, 2840 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-23 06:00:06,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11224 states. [2018-11-23 06:00:07,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11224 to 11060. [2018-11-23 06:00:07,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11060 states. [2018-11-23 06:00:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11060 states to 11060 states and 11440 transitions. [2018-11-23 06:00:07,066 INFO L78 Accepts]: Start accepts. Automaton has 11060 states and 11440 transitions. Word has length 1417 [2018-11-23 06:00:07,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:00:07,067 INFO L480 AbstractCegarLoop]: Abstraction has 11060 states and 11440 transitions. [2018-11-23 06:00:07,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:00:07,067 INFO L276 IsEmpty]: Start isEmpty. Operand 11060 states and 11440 transitions. [2018-11-23 06:00:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1630 [2018-11-23 06:00:07,097 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:00:07,098 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, 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, 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, 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, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:00:07,098 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:00:07,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:00:07,098 INFO L82 PathProgramCache]: Analyzing trace with hash 30891410, now seen corresponding path program 1 times [2018-11-23 06:00:07,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:00:07,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:00:07,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:00:07,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:00:07,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:00:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:00:10,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5126 backedges. 2367 proven. 703 refuted. 0 times theorem prover too weak. 2056 trivial. 0 not checked. [2018-11-23 06:00:10,072 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:00:10,072 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:00:10,073 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1630 with the following transitions: [2018-11-23 06:00:10,073 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:00:10,076 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:00:10,076 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:00:11,062 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:00:11,062 INFO L272 AbstractInterpreter]: Visited 321 different actions 1284 times. Merged at 13 different actions 41 times. Never widened. Performed 15608 root evaluator evaluations with a maximum evaluation depth of 19. Performed 15608 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 06:00:11,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:00:11,064 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:00:11,064 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:00:11,064 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:00:11,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:00:11,072 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:00:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:00:11,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:00:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5126 backedges. 3649 proven. 6 refuted. 0 times theorem prover too weak. 1471 trivial. 0 not checked. [2018-11-23 06:00:12,271 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:00:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 5126 backedges. 1603 proven. 606 refuted. 0 times theorem prover too weak. 2917 trivial. 0 not checked. [2018-11-23 06:00:13,918 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:00:13,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-11-23 06:00:13,919 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:00:13,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 06:00:13,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 06:00:13,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-11-23 06:00:13,920 INFO L87 Difference]: Start difference. First operand 11060 states and 11440 transitions. Second operand 20 states. [2018-11-23 06:00:24,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:00:24,505 INFO L93 Difference]: Finished difference Result 22242 states and 23090 transitions. [2018-11-23 06:00:24,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-11-23 06:00:24,506 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1629 [2018-11-23 06:00:24,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:00:24,526 INFO L225 Difference]: With dead ends: 22242 [2018-11-23 06:00:24,526 INFO L226 Difference]: Without dead ends: 14497 [2018-11-23 06:00:24,537 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3391 GetRequests, 3299 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2443 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1486, Invalid=6886, Unknown=0, NotChecked=0, Total=8372 [2018-11-23 06:00:24,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14497 states. [2018-11-23 06:00:24,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14497 to 13328. [2018-11-23 06:00:24,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13328 states. [2018-11-23 06:00:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13328 states to 13328 states and 13738 transitions. [2018-11-23 06:00:24,663 INFO L78 Accepts]: Start accepts. Automaton has 13328 states and 13738 transitions. Word has length 1629 [2018-11-23 06:00:24,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:00:24,664 INFO L480 AbstractCegarLoop]: Abstraction has 13328 states and 13738 transitions. [2018-11-23 06:00:24,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 06:00:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 13328 states and 13738 transitions. [2018-11-23 06:00:24,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1633 [2018-11-23 06:00:24,700 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:00:24,701 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:00:24,701 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:00:24,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:00:24,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1296607561, now seen corresponding path program 1 times [2018-11-23 06:00:24,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:00:24,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:00:24,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:00:24,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:00:24,703 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:00:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:00:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4351 backedges. 1108 proven. 541 refuted. 0 times theorem prover too weak. 2702 trivial. 0 not checked. [2018-11-23 06:00:26,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:00:26,894 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:00:26,894 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1633 with the following transitions: [2018-11-23 06:00:26,895 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [511], [513], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:00:26,898 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:00:26,898 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:00:28,083 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:00:28,083 INFO L272 AbstractInterpreter]: Visited 319 different actions 1265 times. Merged at 9 different actions 30 times. Never widened. Performed 15437 root evaluator evaluations with a maximum evaluation depth of 22. Performed 15437 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 06:00:28,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:00:28,085 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:00:28,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:00:28,085 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:00:28,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:00:28,091 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:00:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:00:28,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:00:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4351 backedges. 3049 proven. 2 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2018-11-23 06:00:29,445 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:00:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4351 backedges. 1147 proven. 486 refuted. 0 times theorem prover too weak. 2718 trivial. 0 not checked. [2018-11-23 06:00:31,900 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:00:31,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-23 06:00:31,901 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:00:31,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 06:00:31,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 06:00:31,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-11-23 06:00:31,902 INFO L87 Difference]: Start difference. First operand 13328 states and 13738 transitions. Second operand 15 states. [2018-11-23 06:00:38,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:00:38,548 INFO L93 Difference]: Finished difference Result 32043 states and 33486 transitions. [2018-11-23 06:00:38,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-23 06:00:38,549 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1632 [2018-11-23 06:00:38,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:00:38,550 INFO L225 Difference]: With dead ends: 32043 [2018-11-23 06:00:38,550 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:00:38,582 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3337 GetRequests, 3287 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=394, Invalid=1768, Unknown=0, NotChecked=0, Total=2162 [2018-11-23 06:00:38,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:00:38,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:00:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:00:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:00:38,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1632 [2018-11-23 06:00:38,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:00:38,583 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:00:38,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 06:00:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:00:38,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:00:38,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:00:38,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:38,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:38,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,069 WARN L180 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 299 [2018-11-23 06:00:39,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:39,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:00:40,031 WARN L180 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 308 [2018-11-23 06:00:41,104 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 311 DAG size of output: 63 [2018-11-23 06:00:42,160 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 294 DAG size of output: 113 [2018-11-23 06:00:43,462 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 335 DAG size of output: 115 [2018-11-23 06:00:45,198 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 317 DAG size of output: 136 [2018-11-23 06:00:46,170 WARN L180 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 63 [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,172 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,173 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse26 (+ |old(~a18~0)| 79)) (.cse0 (= 7 |old(~a12~0)|)) (.cse27 (+ ~a18~0 79))) (let ((.cse16 (<= ~a18~0 |old(~a18~0)|)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse24 (= |old(~a12~0)| ~a12~0)) (.cse5 (= 4 |old(~a15~0)|)) (.cse17 (= 8 |old(~a16~0)|)) (.cse23 (< 134 ~a18~0)) (.cse22 (<= .cse27 0)) (.cse20 (<= |old(~a18~0)| 134)) (.cse25 (not .cse0)) (.cse21 (< 0 .cse26)) (.cse18 (= 11 |old(~a16~0)|))) (let ((.cse4 (= 6 |old(~a12~0)|)) (.cse7 (not .cse18)) (.cse9 (not (= 9 |old(~a16~0)|))) (.cse15 (and (or .cse20 .cse25) .cse21)) (.cse10 (not (= 3 |old(~a15~0)|))) (.cse13 (not (= 12 |old(~a16~0)|))) (.cse14 (or .cse23 .cse22)) (.cse12 (= 5 |old(~a12~0)|)) (.cse19 (not .cse17)) (.cse8 (not .cse5)) (.cse1 (< 8 |old(~a16~0)|)) (.cse6 (and .cse16 .cse3 .cse2 .cse24))) (and (or .cse0 .cse1 (and .cse2 (not (= ~a12~0 7)) .cse3)) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse6 .cse9) (or (= (+ ~a18~0 87) 0) (let ((.cse11 (not (= (+ |old(~a18~0)| 87) 0)))) (and (or .cse10 .cse11 (not .cse4)) (or .cse10 (not .cse12) .cse11))) .cse7) (or .cse6 .cse5 .cse13) (or .cse14 .cse15 .cse10 .cse7) (or (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0) .cse16 .cse3) (or .cse5 (not (= 8 |old(~a12~0)|)) .cse17)) (or .cse6 (or .cse0 .cse17 (< 7 |old(~a12~0)|) .cse18)) (or .cse15 .cse10 .cse7 .cse6) (or .cse19 .cse10 (and .cse20 .cse21) (and .cse16 .cse2 (= 3 ~a15~0) (or .cse22 .cse23) .cse24) .cse25) (or (and .cse3 .cse2 .cse24) .cse9) (or .cse15 .cse10 .cse13 .cse14) (or .cse0 (and .cse12 (<= .cse26 0) (< 0 (+ |old(~a18~0)| 156))) .cse1 (or (<= (+ ~a18~0 156) 0) (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3)) (< 0 .cse27))) (or .cse8 .cse19 .cse6) (or .cse8 .cse0 .cse1 .cse6))))) [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,174 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,175 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse14 (+ |old(~a18~0)| 79)) (.cse0 (= 7 |old(~a12~0)|)) (.cse36 (+ ~a18~0 79))) (let ((.cse18 (<= ~a18~0 |old(~a18~0)|)) (.cse22 (= |old(~a12~0)| ~a12~0)) (.cse27 (= 8 |old(~a16~0)|)) (.cse11 (= 4 |old(~a15~0)|)) (.cse31 (< 134 ~a18~0)) (.cse30 (<= .cse36 0)) (.cse32 (<= |old(~a18~0)| 134)) (.cse34 (not .cse0)) (.cse33 (< 0 .cse14)) (.cse28 (= 11 |old(~a16~0)|)) (.cse13 (= 5 |old(~a12~0)|)) (.cse35 (+ ~a18~0 156)) (.cse19 (not (= 5 ~a12~0))) (.cse20 (not (= 8 ~a16~0))) (.cse3 (not (= ~a12~0 7))) (.cse4 (= |old(~a15~0)| ~a15~0)) (.cse2 (= ~a16~0 |old(~a16~0)|))) (let ((.cse1 (< 8 |old(~a16~0)|)) (.cse17 (and (= 9 ~a16~0) .cse2)) (.cse15 (and (or (<= .cse35 0) .cse19 .cse20 (not (= ~a15~0 3)) (< 0 .cse36)) (not (= ~a15~0 4)) .cse2 .cse3 (<= ~a16~0 8) .cse4)) (.cse21 (< 0 .cse35)) (.cse5 (not (= calculate_output_~input 0))) (.cse10 (= 6 |old(~a12~0)|)) (.cse7 (not .cse13)) (.cse8 (not .cse28)) (.cse9 (= |calculate_output_#in~input| 0)) (.cse24 (not (= 9 |old(~a16~0)|))) (.cse26 (and (or .cse32 .cse34) .cse33)) (.cse6 (not (= 3 |old(~a15~0)|))) (.cse16 (not (= 12 |old(~a16~0)|))) (.cse25 (or .cse31 .cse30)) (.cse23 (not .cse11)) (.cse29 (not .cse27)) (.cse12 (and .cse18 .cse4 .cse2 .cse22))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or .cse5 (or .cse6 .cse7 .cse8 .cse9)) (or .cse10 .cse11 .cse12 .cse8) (or .cse0 .cse11 (and .cse13 (<= .cse14 0) (< 0 (+ |old(~a18~0)| 156))) .cse1 .cse15) (or .cse12 .cse11 .cse16) (or .cse11 (not (= 8 |old(~a12~0)|)) .cse17 .cse12 .cse15) (or .cse0 (and .cse18 (or (not (= calculate_output_~input 5)) .cse19 .cse20 .cse21) .cse22) .cse1 .cse15 (< |old(~a15~0)| 4)) (or .cse23 .cse18 .cse24) (or .cse25 .cse26 .cse6 .cse8) (or .cse0 .cse12 .cse27 .cse15 .cse17 (< 7 |old(~a12~0)|) .cse28) (or .cse29 .cse6 (and .cse18 .cse2 (= 3 ~a15~0) (or .cse30 .cse31) .cse22) (and .cse32 .cse33) .cse34 .cse15) (or .cse23 (or (not (= calculate_output_~input 4)) .cse19 .cse21) .cse24) (or .cse26 .cse6 .cse8 .cse12) (or (and .cse5 (= (+ ~a18~0 87) 0)) (or (and (or .cse6 (not .cse10) .cse8) (or .cse6 .cse7 .cse8)) (not (= (+ |old(~a18~0)| 87) 0)) .cse9)) (or (and .cse4 .cse2 .cse22) .cse24) (or .cse26 .cse6 .cse16 .cse25) (or .cse23 .cse29 .cse12))))) [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 06:00:46,176 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,177 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,178 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,179 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,180 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,181 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,182 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse18 (+ |old(~a18~0)| 79)) (.cse0 (= 7 |old(~a12~0)|)) (.cse19 (+ ~a18~0 79))) (let ((.cse24 (<= ~a18~0 |old(~a18~0)|)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse17 (= |old(~a12~0)| ~a12~0)) (.cse5 (= 4 |old(~a15~0)|)) (.cse14 (= 8 |old(~a16~0)|)) (.cse26 (< 134 ~a18~0)) (.cse25 (<= .cse19 0)) (.cse21 (<= |old(~a18~0)| 134)) (.cse23 (not .cse0)) (.cse22 (< 0 .cse18)) (.cse15 (= 11 |old(~a16~0)|))) (let ((.cse4 (= 6 |old(~a12~0)|)) (.cse7 (not .cse15)) (.cse9 (not (= 9 |old(~a16~0)|))) (.cse13 (and (or .cse21 .cse23) .cse22)) (.cse10 (not (= 12 |old(~a16~0)|))) (.cse16 (or .cse26 .cse25)) (.cse12 (= 5 |old(~a12~0)|)) (.cse20 (not .cse14)) (.cse11 (not (= 3 |old(~a15~0)|))) (.cse8 (not .cse5)) (.cse1 (< 8 |old(~a16~0)|)) (.cse6 (and .cse24 .cse3 .cse2 .cse17))) (and (or .cse0 .cse1 (and .cse2 (not (= ~a12~0 7)) .cse3)) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse6 .cse9) (or .cse6 .cse5 .cse10) (or (= (+ ~a18~0 87) 0) (or (and (or .cse11 (not .cse4) .cse7) (or .cse11 (not .cse12) .cse7)) (not (= (+ |old(~a18~0)| 87) 0)) (= |calculate_output_#in~input| 0))) (or .cse13 .cse11 .cse6 .cse7) (or .cse0 .cse6 .cse14 (< 7 |old(~a12~0)|) .cse15) (or .cse16 .cse13 .cse11 .cse7) (or (and .cse3 .cse2 .cse17) .cse9) (or .cse13 .cse11 .cse10 .cse16) (or .cse5 (not (= 8 |old(~a12~0)|)) .cse14 .cse6) (or .cse0 (and .cse12 (<= .cse18 0) (< 0 (+ |old(~a18~0)| 156))) .cse1 (or (<= (+ ~a18~0 156) 0) (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3)) (< 0 .cse19))) (or .cse8 .cse20 .cse6) (or .cse20 .cse11 (and .cse21 .cse22) .cse23 (and .cse24 .cse2 (= 3 ~a15~0) (or .cse25 .cse26) .cse17)) (or .cse8 .cse0 .cse1 .cse6))))) [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,183 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 06:00:46,184 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 06:00:46,185 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,186 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,187 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,188 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,189 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,190 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,191 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:00:46,192 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-23 06:00:46,193 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:00:46,193 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:00:46,193 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= (+ ~a18~0 87) 0) (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0))) [2018-11-23 06:00:46,193 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 06:00:46,193 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 11))) (.cse0 (not (= ~a12~0 7))) (.cse2 (not (= ~a15~0 4))) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse3 (<= (+ ~a18~0 79) 0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 (<= ~a16~0 8)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (= 9 ~a16~0) (and (= 8 ~a12~0) .cse1 .cse2) (not (= 5 |old(~a12~0)|)) (and .cse1 .cse0 (<= ~a12~0 7)) (and (= 12 ~a16~0) .cse2) (and (= 8 ~a16~0) (= 4 ~a15~0)) (and (= ~a16~0 8) (= 3 ~a15~0) (or .cse3 (< 134 ~a18~0))) (and (not (= ~a12~0 6)) .cse4 .cse5) (and (and .cse4 .cse5) .cse3))) [2018-11-23 06:00:46,193 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 06:00:46,193 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 06:00:46,193 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 11))) (.cse0 (not (= ~a12~0 7))) (.cse2 (not (= ~a15~0 4))) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse3 (<= (+ ~a18~0 79) 0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 (<= ~a16~0 8)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (= 9 ~a16~0) (and (= 8 ~a12~0) .cse1 .cse2) (not (= 5 |old(~a12~0)|)) (and .cse1 .cse0 (<= ~a12~0 7)) (and (= 12 ~a16~0) .cse2) (and (= 8 ~a16~0) (= 4 ~a15~0)) (and (= ~a16~0 8) (= 3 ~a15~0) (or .cse3 (< 134 ~a18~0))) (and (not (= ~a12~0 6)) .cse4 .cse5) (and (and .cse4 .cse5) .cse3))) [2018-11-23 06:00:46,193 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 06:00:46,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:00:46 BoogieIcfgContainer [2018-11-23 06:00:46,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:00:46,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:00:46,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:00:46,203 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:00:46,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:58:10" (3/4) ... [2018-11-23 06:00:46,205 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:00:46,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:00:46,209 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 06:00:46,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 06:00:46,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:00:46,227 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 06:00:46,229 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 06:00:46,264 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(11 == \old(a16)) || (!(a12 == 7) && a16 <= 8)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || 9 == a16) || ((8 == a12 && !(a16 == 11)) && !(a15 == 4))) || !(5 == \old(a12))) || ((!(a16 == 11) && !(a12 == 7)) && a12 <= 7)) || (12 == a16 && !(a15 == 4))) || (8 == a16 && 4 == a15)) || ((a16 == 8 && 3 == a15) && (a18 + 79 <= 0 || 134 < a18))) || ((!(a12 == 6) && \old(a16) == a16) && \old(a15) == a15)) || ((\old(a16) == a16 && \old(a15) == a15) && a18 + 79 <= 0) [2018-11-23 06:00:46,407 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f543a8d-e974-4dce-9c77-e2d19acb5af8/bin-2019/utaipan/witness.graphml [2018-11-23 06:00:46,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:00:46,408 INFO L168 Benchmark]: Toolchain (without parser) took 158725.67 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 948.4 MB in the beginning and 4.2 GB in the end (delta: -3.3 GB). Peak memory consumption was 674.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:46,408 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:00:46,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.97 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 870.5 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:46,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 870.5 MB in the beginning and 1.1 GB in the end (delta: -271.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:46,409 INFO L168 Benchmark]: Boogie Preprocessor took 93.23 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:46,409 INFO L168 Benchmark]: RCFGBuilder took 1840.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 882.7 MB in the end (delta: 244.8 MB). Peak memory consumption was 244.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:46,409 INFO L168 Benchmark]: TraceAbstraction took 155783.21 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 882.7 MB in the beginning and 4.3 GB in the end (delta: -3.4 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-23 06:00:46,409 INFO L168 Benchmark]: Witness Printer took 204.14 ms. Allocated memory is still 5.0 GB. Free memory was 4.3 GB in the beginning and 4.2 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:00:46,411 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 683.97 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 870.5 MB in the end (delta: 77.8 MB). Peak memory consumption was 77.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 870.5 MB in the beginning and 1.1 GB in the end (delta: -271.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.23 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: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1840.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 882.7 MB in the end (delta: 244.8 MB). Peak memory consumption was 244.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 155783.21 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 882.7 MB in the beginning and 4.3 GB in the end (delta: -3.4 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 204.14 ms. Allocated memory is still 5.0 GB. Free memory was 4.3 GB in the beginning and 4.2 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 1773]: Loop Invariant Derived loop invariant: (((((((((((!(11 == \old(a16)) || (!(a12 == 7) && a16 <= 8)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || 9 == a16) || ((8 == a12 && !(a16 == 11)) && !(a15 == 4))) || !(5 == \old(a12))) || ((!(a16 == 11) && !(a12 == 7)) && a12 <= 7)) || (12 == a16 && !(a15 == 4))) || (8 == a16 && 4 == a15)) || ((a16 == 8 && 3 == a15) && (a18 + 79 <= 0 || 134 < a18))) || ((!(a12 == 6) && \old(a16) == a16) && \old(a15) == a15)) || ((\old(a16) == a16 && \old(a15) == a15) && a18 + 79 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 155.7s OverallTime, 14 OverallIterations, 10 TraceHistogramMax, 114.1s AutomataDifference, 0.0s DeadEndRemovalTime, 7.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2389 SDtfs, 31685 SDslu, 3607 SDs, 0 SdLazy, 75710 SolverSat, 6934 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 95.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 18995 GetRequests, 18660 SyntacticMatches, 23 SemanticMatches, 312 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3926 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13328occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.7s AbstIntTime, 11 AbstIntIterations, 3 AbstIntStrong, 0.9981343625493451 AbsIntWeakeningRatio, 0.05970149253731343 AbsIntAvgWeakeningVarsNumRemoved, 16.276119402985074 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 2266 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 977 PreInvPairs, 1694 NumberOfFragments, 1854 HoareAnnotationTreeSize, 977 FomulaSimplifications, 68123 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 73753 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 19167 NumberOfCodeBlocks, 19167 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 27616 ConstructedInterpolants, 0 QuantifiedInterpolants, 111486129 SizeOfPredicates, 5 NumberOfNonLiveVariables, 11199 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 57116/60706 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...