./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/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 b47e6efaac96dd68fdf2e956514ab24129d0709d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:06:09,367 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:06:09,368 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:06:09,374 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:06:09,375 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:06:09,375 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:06:09,376 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:06:09,378 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:06:09,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:06:09,380 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:06:09,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:06:09,381 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:06:09,381 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:06:09,382 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:06:09,383 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:06:09,383 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:06:09,384 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:06:09,385 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:06:09,387 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:06:09,388 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:06:09,389 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:06:09,390 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:06:09,391 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:06:09,392 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:06:09,392 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:06:09,393 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:06:09,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:06:09,394 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:06:09,394 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:06:09,395 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:06:09,395 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:06:09,395 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:06:09,395 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:06:09,395 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:06:09,396 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:06:09,396 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:06:09,396 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:06:09,404 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:06:09,404 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:06:09,405 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:06:09,405 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:06:09,405 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:06:09,405 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:06:09,405 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:06:09,406 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:06:09,406 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:06:09,406 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:06:09,406 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:06:09,406 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:06:09,406 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:06:09,407 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:06:09,407 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:06:09,407 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:06:09,407 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:06:09,407 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:06:09,407 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:06:09,408 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:06:09,408 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:06:09,408 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:06:09,408 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:06:09,408 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:06:09,408 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:06:09,408 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:06:09,408 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:06:09,409 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:06:09,409 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:06:09,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:06:09,409 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:06:09,409 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:06:09,409 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:06:09,409 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:06:09,409 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:06:09,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:06:09,410 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:06:09,410 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_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/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 -> b47e6efaac96dd68fdf2e956514ab24129d0709d [2018-11-18 17:06:09,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:06:09,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:06:09,448 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:06:09,449 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:06:09,450 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:06:09,450 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c [2018-11-18 17:06:09,496 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/data/e0fc0ded1/3fc0b864b24c4a0695d0b4598aed78cb/FLAGf33f6b898 [2018-11-18 17:06:09,909 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:06:09,909 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c [2018-11-18 17:06:09,922 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/data/e0fc0ded1/3fc0b864b24c4a0695d0b4598aed78cb/FLAGf33f6b898 [2018-11-18 17:06:09,935 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/data/e0fc0ded1/3fc0b864b24c4a0695d0b4598aed78cb [2018-11-18 17:06:09,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:06:09,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:06:09,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:06:09,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:06:09,942 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:06:09,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:06:09" (1/1) ... [2018-11-18 17:06:09,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7217af06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:09, skipping insertion in model container [2018-11-18 17:06:09,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:06:09" (1/1) ... [2018-11-18 17:06:09,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:06:10,010 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:06:10,424 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:06:10,427 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:06:10,618 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:06:10,722 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:06:10,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10 WrapperNode [2018-11-18 17:06:10,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:06:10,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:06:10,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:06:10,723 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:06:10,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (1/1) ... [2018-11-18 17:06:10,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (1/1) ... [2018-11-18 17:06:10,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:06:10,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:06:10,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:06:10,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:06:10,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (1/1) ... [2018-11-18 17:06:10,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (1/1) ... [2018-11-18 17:06:10,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (1/1) ... [2018-11-18 17:06:10,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (1/1) ... [2018-11-18 17:06:10,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (1/1) ... [2018-11-18 17:06:10,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (1/1) ... [2018-11-18 17:06:10,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (1/1) ... [2018-11-18 17:06:10,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:06:10,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:06:10,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:06:10,837 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:06:10,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:06:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:06:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:06:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:06:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 17:06:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 17:06:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:06:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:06:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:06:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:06:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:06:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:06:12,206 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:06:12,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:12 BoogieIcfgContainer [2018-11-18 17:06:12,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:06:12,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:06:12,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:06:12,209 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:06:12,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:06:09" (1/3) ... [2018-11-18 17:06:12,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83a86da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:06:12, skipping insertion in model container [2018-11-18 17:06:12,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:10" (2/3) ... [2018-11-18 17:06:12,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83a86da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:06:12, skipping insertion in model container [2018-11-18 17:06:12,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:12" (3/3) ... [2018-11-18 17:06:12,212 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label45_true-unreach-call.c [2018-11-18 17:06:12,218 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:06:12,223 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:06:12,233 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:06:12,258 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:06:12,258 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:06:12,258 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:06:12,258 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:06:12,258 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:06:12,258 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:06:12,259 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:06:12,271 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:06:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 17:06:12,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 17:06:12,310 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:12,311 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:06:12,313 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:12,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:12,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1570242596, now seen corresponding path program 1 times [2018-11-18 17:06:12,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:06:12,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:12,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:12,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:12,349 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:06:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:12,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:06:12,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:06:12,539 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:06:12,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:06:12,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:06:12,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:06:12,552 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 4 states. [2018-11-18 17:06:14,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:14,383 INFO L93 Difference]: Finished difference Result 1513 states and 2838 transitions. [2018-11-18 17:06:14,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:06:14,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-11-18 17:06:14,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:14,400 INFO L225 Difference]: With dead ends: 1513 [2018-11-18 17:06:14,400 INFO L226 Difference]: Without dead ends: 1097 [2018-11-18 17:06:14,405 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:06:14,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2018-11-18 17:06:14,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 744. [2018-11-18 17:06:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 17:06:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1301 transitions. [2018-11-18 17:06:14,473 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1301 transitions. Word has length 60 [2018-11-18 17:06:14,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:14,474 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1301 transitions. [2018-11-18 17:06:14,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:06:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1301 transitions. [2018-11-18 17:06:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 17:06:14,478 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:14,478 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:06:14,479 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:14,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:14,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1372196061, now seen corresponding path program 1 times [2018-11-18 17:06:14,479 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:06:14,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:14,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:14,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:14,480 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:06:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:14,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:06:14,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:06:14,613 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:06:14,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:06:14,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:06:14,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:06:14,615 INFO L87 Difference]: Start difference. First operand 744 states and 1301 transitions. Second operand 6 states. [2018-11-18 17:06:16,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:16,061 INFO L93 Difference]: Finished difference Result 2196 states and 3924 transitions. [2018-11-18 17:06:16,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:06:16,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-18 17:06:16,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:16,067 INFO L225 Difference]: With dead ends: 2196 [2018-11-18 17:06:16,067 INFO L226 Difference]: Without dead ends: 1458 [2018-11-18 17:06:16,069 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:06:16,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2018-11-18 17:06:16,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1438. [2018-11-18 17:06:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2018-11-18 17:06:16,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2463 transitions. [2018-11-18 17:06:16,105 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2463 transitions. Word has length 131 [2018-11-18 17:06:16,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:16,106 INFO L480 AbstractCegarLoop]: Abstraction has 1438 states and 2463 transitions. [2018-11-18 17:06:16,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:06:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2463 transitions. [2018-11-18 17:06:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 17:06:16,108 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:16,108 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:06:16,109 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:16,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:16,109 INFO L82 PathProgramCache]: Analyzing trace with hash 822565126, now seen corresponding path program 1 times [2018-11-18 17:06:16,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:06:16,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:16,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:16,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:16,110 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:06:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:16,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:06:16,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:06:16,223 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:06:16,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:06:16,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:06:16,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:06:16,224 INFO L87 Difference]: Start difference. First operand 1438 states and 2463 transitions. Second operand 5 states. [2018-11-18 17:06:17,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:17,716 INFO L93 Difference]: Finished difference Result 3597 states and 6200 transitions. [2018-11-18 17:06:17,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:06:17,716 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-11-18 17:06:17,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:17,724 INFO L225 Difference]: With dead ends: 3597 [2018-11-18 17:06:17,724 INFO L226 Difference]: Without dead ends: 2165 [2018-11-18 17:06:17,727 INFO L604 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 [2018-11-18 17:06:17,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2018-11-18 17:06:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 2145. [2018-11-18 17:06:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2018-11-18 17:06:17,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 3126 transitions. [2018-11-18 17:06:17,772 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 3126 transitions. Word has length 132 [2018-11-18 17:06:17,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:17,772 INFO L480 AbstractCegarLoop]: Abstraction has 2145 states and 3126 transitions. [2018-11-18 17:06:17,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:06:17,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 3126 transitions. [2018-11-18 17:06:17,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 17:06:17,776 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:17,776 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:06:17,776 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:17,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:17,777 INFO L82 PathProgramCache]: Analyzing trace with hash 9848590, now seen corresponding path program 1 times [2018-11-18 17:06:17,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:06:17,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:17,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:17,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:17,778 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:06:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:17,988 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:17,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:06:17,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:06:17,988 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:06:17,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:06:17,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:06:17,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:06:17,989 INFO L87 Difference]: Start difference. First operand 2145 states and 3126 transitions. Second operand 6 states. [2018-11-18 17:06:19,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:19,648 INFO L93 Difference]: Finished difference Result 7058 states and 10436 transitions. [2018-11-18 17:06:19,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:06:19,648 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2018-11-18 17:06:19,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:19,661 INFO L225 Difference]: With dead ends: 7058 [2018-11-18 17:06:19,661 INFO L226 Difference]: Without dead ends: 4919 [2018-11-18 17:06:19,669 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:06:19,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4919 states. [2018-11-18 17:06:19,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4919 to 4879. [2018-11-18 17:06:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4879 states. [2018-11-18 17:06:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4879 states to 4879 states and 6857 transitions. [2018-11-18 17:06:19,737 INFO L78 Accepts]: Start accepts. Automaton has 4879 states and 6857 transitions. Word has length 224 [2018-11-18 17:06:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:19,737 INFO L480 AbstractCegarLoop]: Abstraction has 4879 states and 6857 transitions. [2018-11-18 17:06:19,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:06:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 4879 states and 6857 transitions. [2018-11-18 17:06:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 17:06:19,740 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:19,740 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:06:19,740 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:19,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:19,740 INFO L82 PathProgramCache]: Analyzing trace with hash 433783590, now seen corresponding path program 1 times [2018-11-18 17:06:19,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:06:19,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:19,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:19,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:19,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:06:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:19,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:06:19,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:06:19,891 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:06:19,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:06:19,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:06:19,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:06:19,892 INFO L87 Difference]: Start difference. First operand 4879 states and 6857 transitions. Second operand 6 states. [2018-11-18 17:06:21,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:06:21,464 INFO L93 Difference]: Finished difference Result 12216 states and 17406 transitions. [2018-11-18 17:06:21,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:06:21,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 244 [2018-11-18 17:06:21,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:06:21,489 INFO L225 Difference]: With dead ends: 12216 [2018-11-18 17:06:21,489 INFO L226 Difference]: Without dead ends: 7343 [2018-11-18 17:06:21,507 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:06:21,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7343 states. [2018-11-18 17:06:21,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7343 to 7306. [2018-11-18 17:06:21,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7306 states. [2018-11-18 17:06:21,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7306 states to 7306 states and 9825 transitions. [2018-11-18 17:06:21,653 INFO L78 Accepts]: Start accepts. Automaton has 7306 states and 9825 transitions. Word has length 244 [2018-11-18 17:06:21,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:06:21,654 INFO L480 AbstractCegarLoop]: Abstraction has 7306 states and 9825 transitions. [2018-11-18 17:06:21,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:06:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 7306 states and 9825 transitions. [2018-11-18 17:06:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-11-18 17:06:21,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:06:21,665 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:06:21,666 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:06:21,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:21,666 INFO L82 PathProgramCache]: Analyzing trace with hash -860566542, now seen corresponding path program 1 times [2018-11-18 17:06:21,666 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:06:21,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:21,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:06:21,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:06:21,667 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:06:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 184 proven. 37 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-11-18 17:06:22,011 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:06:22,011 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:06:22,012 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 425 with the following transitions: [2018-11-18 17:06:22,013 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], [515], [523], [531], [539], [547], [555], [559], [561], [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], [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], [1048], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:06:22,046 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:06:22,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:06:22,394 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:06:22,395 INFO L272 AbstractInterpreter]: Visited 170 different actions 170 times. Never merged. Never widened. Performed 1654 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1654 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 17:06:22,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:22,410 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:06:22,905 INFO L227 lantSequenceWeakener]: Weakened 412 states. On average, predicates are now at 77.78% of their original sizes. [2018-11-18 17:06:22,905 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:06:22,940 INFO L415 sIntCurrentIteration]: We unified 423 AI predicates to 423 [2018-11-18 17:06:22,940 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:06:22,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:06:22,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2018-11-18 17:06:22,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:06:22,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:06:22,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:06:22,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:06:22,942 INFO L87 Difference]: Start difference. First operand 7306 states and 9825 transitions. Second operand 6 states. [2018-11-18 17:07:07,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:07:07,152 INFO L93 Difference]: Finished difference Result 14946 states and 20038 transitions. [2018-11-18 17:07:07,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:07:07,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 424 [2018-11-18 17:07:07,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:07:07,172 INFO L225 Difference]: With dead ends: 14946 [2018-11-18 17:07:07,173 INFO L226 Difference]: Without dead ends: 7646 [2018-11-18 17:07:07,186 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 424 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:07:07,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7646 states. [2018-11-18 17:07:07,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7646 to 7644. [2018-11-18 17:07:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7644 states. [2018-11-18 17:07:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7644 states to 7644 states and 10172 transitions. [2018-11-18 17:07:07,306 INFO L78 Accepts]: Start accepts. Automaton has 7644 states and 10172 transitions. Word has length 424 [2018-11-18 17:07:07,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:07:07,306 INFO L480 AbstractCegarLoop]: Abstraction has 7644 states and 10172 transitions. [2018-11-18 17:07:07,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:07:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 7644 states and 10172 transitions. [2018-11-18 17:07:07,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2018-11-18 17:07:07,323 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:07:07,323 INFO L375 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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:07:07,323 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:07:07,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:07:07,324 INFO L82 PathProgramCache]: Analyzing trace with hash -738044364, now seen corresponding path program 1 times [2018-11-18 17:07:07,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:07:07,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:07:07,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:07:07,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:07:07,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:07:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 289 proven. 265 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-11-18 17:07:07,654 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:07:07,654 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:07:07,655 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 517 with the following transitions: [2018-11-18 17:07:07,656 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], [515], [523], [531], [539], [547], [555], [559], [561], [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], [760], [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], [1048], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:07:07,660 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:07:07,660 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:07:08,006 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:07:08,006 INFO L272 AbstractInterpreter]: Visited 174 different actions 509 times. Merged at 5 different actions 9 times. Never widened. Performed 5425 root evaluator evaluations with a maximum evaluation depth of 7. Performed 5425 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 17:07:08,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:07:08,010 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:07:08,575 INFO L227 lantSequenceWeakener]: Weakened 513 states. On average, predicates are now at 80.42% of their original sizes. [2018-11-18 17:07:08,575 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:07:08,633 INFO L415 sIntCurrentIteration]: We unified 515 AI predicates to 515 [2018-11-18 17:07:08,633 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:07:08,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:07:08,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 17:07:08,634 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:07:08,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:07:08,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:07:08,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:07:08,634 INFO L87 Difference]: Start difference. First operand 7644 states and 10172 transitions. Second operand 10 states. [2018-11-18 17:08:47,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:08:47,682 INFO L93 Difference]: Finished difference Result 18156 states and 24220 transitions. [2018-11-18 17:08:47,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 17:08:47,682 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 516 [2018-11-18 17:08:47,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:08:47,720 INFO L225 Difference]: With dead ends: 18156 [2018-11-18 17:08:47,720 INFO L226 Difference]: Without dead ends: 10856 [2018-11-18 17:08:47,747 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 525 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:08:47,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10856 states. [2018-11-18 17:08:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10856 to 10812. [2018-11-18 17:08:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10812 states. [2018-11-18 17:08:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10812 states to 10812 states and 13715 transitions. [2018-11-18 17:08:47,980 INFO L78 Accepts]: Start accepts. Automaton has 10812 states and 13715 transitions. Word has length 516 [2018-11-18 17:08:47,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:08:47,981 INFO L480 AbstractCegarLoop]: Abstraction has 10812 states and 13715 transitions. [2018-11-18 17:08:47,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:08:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 10812 states and 13715 transitions. [2018-11-18 17:08:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2018-11-18 17:08:48,019 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:08:48,019 INFO L375 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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:08:48,019 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:08:48,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:08:48,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1241429324, now seen corresponding path program 1 times [2018-11-18 17:08:48,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:08:48,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:08:48,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:08:48,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:08:48,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:08:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 645 proven. 29 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-18 17:08:48,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:08:48,739 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:08:48,739 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 665 with the following transitions: [2018-11-18 17:08:48,740 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], [515], [523], [531], [539], [547], [555], [559], [561], [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], [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], [1048], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:08:48,754 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:08:48,754 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:08:49,075 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:08:49,075 INFO L272 AbstractInterpreter]: Visited 251 different actions 749 times. Merged at 9 different actions 20 times. Never widened. Performed 8405 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8405 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 17:08:49,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:08:49,078 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:08:49,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:08:49,078 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:08:49,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:08:49,087 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:08:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:49,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:08:49,447 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 580 proven. 2 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 17:08:49,448 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:08:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 580 proven. 2 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 17:08:49,816 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:08:49,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 17:08:49,817 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:08:49,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:08:49,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:08:49,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:08:49,818 INFO L87 Difference]: Start difference. First operand 10812 states and 13715 transitions. Second operand 10 states. [2018-11-18 17:08:52,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:08:52,993 INFO L93 Difference]: Finished difference Result 25859 states and 32574 transitions. [2018-11-18 17:08:52,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 17:08:52,994 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 664 [2018-11-18 17:08:52,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:08:53,019 INFO L225 Difference]: With dead ends: 25859 [2018-11-18 17:08:53,019 INFO L226 Difference]: Without dead ends: 13443 [2018-11-18 17:08:53,058 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1358 GetRequests, 1335 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:08:53,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13443 states. [2018-11-18 17:08:53,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13443 to 13078. [2018-11-18 17:08:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13078 states. [2018-11-18 17:08:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13078 states to 13078 states and 14261 transitions. [2018-11-18 17:08:53,206 INFO L78 Accepts]: Start accepts. Automaton has 13078 states and 14261 transitions. Word has length 664 [2018-11-18 17:08:53,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:08:53,207 INFO L480 AbstractCegarLoop]: Abstraction has 13078 states and 14261 transitions. [2018-11-18 17:08:53,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:08:53,207 INFO L276 IsEmpty]: Start isEmpty. Operand 13078 states and 14261 transitions. [2018-11-18 17:08:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2018-11-18 17:08:53,216 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:08:53,217 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:08:53,217 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:08:53,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:08:53,217 INFO L82 PathProgramCache]: Analyzing trace with hash -850578925, now seen corresponding path program 1 times [2018-11-18 17:08:53,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:08:53,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:08:53,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:08:53,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:08:53,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:08:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 518 proven. 141 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2018-11-18 17:08:53,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:08:53,506 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:08:53,506 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 692 with the following transitions: [2018-11-18 17:08:53,507 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], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:08:53,510 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:08:53,510 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:08:54,231 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:08:54,231 INFO L272 AbstractInterpreter]: Visited 252 different actions 1005 times. Merged at 10 different actions 32 times. Never widened. Performed 11731 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11731 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 17:08:54,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:08:54,238 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:08:54,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:08:54,238 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:08:54,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:08:54,245 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:08:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:54,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:08:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 825 proven. 2 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2018-11-18 17:08:54,552 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:08:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 518 proven. 141 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2018-11-18 17:08:54,773 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:08:54,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 17:08:54,773 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:08:54,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:08:54,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:08:54,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:08:54,774 INFO L87 Difference]: Start difference. First operand 13078 states and 14261 transitions. Second operand 9 states. [2018-11-18 17:08:56,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:08:56,743 INFO L93 Difference]: Finished difference Result 31082 states and 34932 transitions. [2018-11-18 17:08:56,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 17:08:56,743 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 691 [2018-11-18 17:08:56,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:08:56,780 INFO L225 Difference]: With dead ends: 31082 [2018-11-18 17:08:56,781 INFO L226 Difference]: Without dead ends: 16994 [2018-11-18 17:08:56,821 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1403 GetRequests, 1385 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:08:56,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16994 states. [2018-11-18 17:08:57,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16994 to 16969. [2018-11-18 17:08:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16969 states. [2018-11-18 17:08:57,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16969 states to 16969 states and 18627 transitions. [2018-11-18 17:08:57,072 INFO L78 Accepts]: Start accepts. Automaton has 16969 states and 18627 transitions. Word has length 691 [2018-11-18 17:08:57,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:08:57,073 INFO L480 AbstractCegarLoop]: Abstraction has 16969 states and 18627 transitions. [2018-11-18 17:08:57,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:08:57,073 INFO L276 IsEmpty]: Start isEmpty. Operand 16969 states and 18627 transitions. [2018-11-18 17:08:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2018-11-18 17:08:57,091 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:08:57,092 INFO L375 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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:08:57,092 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:08:57,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:08:57,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1303451157, now seen corresponding path program 1 times [2018-11-18 17:08:57,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:08:57,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:08:57,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:08:57,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:08:57,093 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:08:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:08:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 240 proven. 832 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 17:08:58,673 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:08:58,673 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:08:58,673 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 884 with the following transitions: [2018-11-18 17:08:58,673 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], [515], [523], [531], [539], [547], [555], [559], [561], [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], [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], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1444], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:08:58,676 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:08:58,676 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:08:58,922 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:08:58,922 INFO L272 AbstractInterpreter]: Visited 273 different actions 540 times. Merged at 5 different actions 5 times. Never widened. Performed 5879 root evaluator evaluations with a maximum evaluation depth of 17. Performed 5879 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 17:08:58,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:08:58,929 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:08:59,423 INFO L227 lantSequenceWeakener]: Weakened 880 states. On average, predicates are now at 77.54% of their original sizes. [2018-11-18 17:08:59,423 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:08:59,477 INFO L415 sIntCurrentIteration]: We unified 882 AI predicates to 882 [2018-11-18 17:08:59,477 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:08:59,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:08:59,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-18 17:08:59,477 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:08:59,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:08:59,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:08:59,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:08:59,478 INFO L87 Difference]: Start difference. First operand 16969 states and 18627 transitions. Second operand 10 states. [2018-11-18 17:09:24,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:09:24,907 INFO L93 Difference]: Finished difference Result 33937 states and 37270 transitions. [2018-11-18 17:09:24,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:09:24,907 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 883 [2018-11-18 17:09:24,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:09:24,935 INFO L225 Difference]: With dead ends: 33937 [2018-11-18 17:09:24,935 INFO L226 Difference]: Without dead ends: 17312 [2018-11-18 17:09:24,954 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 890 GetRequests, 874 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 17:09:24,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17312 states. [2018-11-18 17:09:25,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17312 to 17309. [2018-11-18 17:09:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17309 states. [2018-11-18 17:09:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17309 states to 17309 states and 18974 transitions. [2018-11-18 17:09:25,107 INFO L78 Accepts]: Start accepts. Automaton has 17309 states and 18974 transitions. Word has length 883 [2018-11-18 17:09:25,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:09:25,108 INFO L480 AbstractCegarLoop]: Abstraction has 17309 states and 18974 transitions. [2018-11-18 17:09:25,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:09:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 17309 states and 18974 transitions. [2018-11-18 17:09:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 892 [2018-11-18 17:09:25,118 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:09:25,119 INFO L375 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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:09:25,119 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:09:25,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:09:25,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1063197093, now seen corresponding path program 1 times [2018-11-18 17:09:25,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:09:25,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:09:25,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:09:25,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:09:25,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:09:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:09:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1168 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2018-11-18 17:09:25,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:09:25,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:09:25,451 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:09:25,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:09:25,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:09:25,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:09:25,452 INFO L87 Difference]: Start difference. First operand 17309 states and 18974 transitions. Second operand 4 states. [2018-11-18 17:09:26,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:09:26,536 INFO L93 Difference]: Finished difference Result 45405 states and 50782 transitions. [2018-11-18 17:09:26,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:09:26,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 891 [2018-11-18 17:09:26,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:09:26,588 INFO L225 Difference]: With dead ends: 45405 [2018-11-18 17:09:26,588 INFO L226 Difference]: Without dead ends: 27756 [2018-11-18 17:09:26,640 INFO L604 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 [2018-11-18 17:09:26,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27756 states. [2018-11-18 17:09:26,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27756 to 27664. [2018-11-18 17:09:26,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27664 states. [2018-11-18 17:09:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27664 states to 27664 states and 29790 transitions. [2018-11-18 17:09:26,896 INFO L78 Accepts]: Start accepts. Automaton has 27664 states and 29790 transitions. Word has length 891 [2018-11-18 17:09:26,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:09:26,897 INFO L480 AbstractCegarLoop]: Abstraction has 27664 states and 29790 transitions. [2018-11-18 17:09:26,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:09:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 27664 states and 29790 transitions. [2018-11-18 17:09:26,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1245 [2018-11-18 17:09:26,916 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:09:26,917 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:09:26,917 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:09:26,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:09:26,917 INFO L82 PathProgramCache]: Analyzing trace with hash 860549054, now seen corresponding path program 1 times [2018-11-18 17:09:26,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:09:26,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:09:26,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:09:26,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:09:26,918 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:09:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:09:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2443 backedges. 978 proven. 215 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2018-11-18 17:09:29,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:09:29,236 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:09:29,236 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1245 with the following transitions: [2018-11-18 17:09:29,237 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], [515], [523], [531], [539], [547], [555], [559], [561], [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], [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], [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], [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], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:09:29,240 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:09:29,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:09:29,668 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:09:29,669 INFO L272 AbstractInterpreter]: Visited 285 different actions 842 times. Merged at 5 different actions 9 times. Never widened. Performed 10004 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10004 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 17:09:29,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:09:29,670 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:09:30,292 INFO L227 lantSequenceWeakener]: Weakened 1241 states. On average, predicates are now at 80.18% of their original sizes. [2018-11-18 17:09:30,292 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:09:30,338 INFO L415 sIntCurrentIteration]: We unified 1243 AI predicates to 1243 [2018-11-18 17:09:30,338 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:09:30,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:09:30,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2018-11-18 17:09:30,339 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:09:30,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:09:30,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:09:30,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:09:30,340 INFO L87 Difference]: Start difference. First operand 27664 states and 29790 transitions. Second operand 9 states. [2018-11-18 17:09:56,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:09:56,485 INFO L93 Difference]: Finished difference Result 50995 states and 55082 transitions. [2018-11-18 17:09:56,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 17:09:56,486 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1244 [2018-11-18 17:09:56,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:09:56,546 INFO L225 Difference]: With dead ends: 50995 [2018-11-18 17:09:56,546 INFO L226 Difference]: Without dead ends: 27675 [2018-11-18 17:09:56,598 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 1250 GetRequests, 1236 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 17:09:56,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27675 states. [2018-11-18 17:09:56,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27675 to 27666. [2018-11-18 17:09:56,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27666 states. [2018-11-18 17:09:56,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27666 states to 27666 states and 29787 transitions. [2018-11-18 17:09:56,886 INFO L78 Accepts]: Start accepts. Automaton has 27666 states and 29787 transitions. Word has length 1244 [2018-11-18 17:09:56,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:09:56,886 INFO L480 AbstractCegarLoop]: Abstraction has 27666 states and 29787 transitions. [2018-11-18 17:09:56,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:09:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 27666 states and 29787 transitions. [2018-11-18 17:09:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1341 [2018-11-18 17:09:56,909 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:09:56,909 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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] [2018-11-18 17:09:56,909 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:09:56,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:09:56,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1550066232, now seen corresponding path program 1 times [2018-11-18 17:09:56,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:09:56,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:09:56,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:09:56,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:09:56,911 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:09:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:09:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3088 backedges. 1739 proven. 667 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2018-11-18 17:09:58,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:09:58,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:09:58,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1341 with the following transitions: [2018-11-18 17:09:58,147 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], [515], [523], [531], [539], [547], [555], [559], [561], [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], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:09:58,150 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:09:58,150 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:09:58,993 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:09:58,993 INFO L272 AbstractInterpreter]: Visited 287 different actions 1149 times. Merged at 10 different actions 36 times. Widened at 1 different actions 1 times. Performed 13773 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13773 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 17:09:58,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:09:58,995 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:09:58,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:09:58,995 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:09:59,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:09:59,001 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:09:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:09:59,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:09:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3088 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2018-11-18 17:09:59,736 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:10:00,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3088 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2018-11-18 17:10:00,232 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:10:00,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 17:10:00,232 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:10:00,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:10:00,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:10:00,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:10:00,234 INFO L87 Difference]: Start difference. First operand 27666 states and 29787 transitions. Second operand 3 states. [2018-11-18 17:10:00,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:10:00,963 INFO L93 Difference]: Finished difference Result 50984 states and 55062 transitions. [2018-11-18 17:10:00,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:10:00,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1340 [2018-11-18 17:10:00,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:10:01,003 INFO L225 Difference]: With dead ends: 50984 [2018-11-18 17:10:01,003 INFO L226 Difference]: Without dead ends: 27666 [2018-11-18 17:10:01,041 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2694 GetRequests, 2682 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:10:01,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27666 states. [2018-11-18 17:10:01,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27666 to 27576. [2018-11-18 17:10:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27576 states. [2018-11-18 17:10:01,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27576 states to 27576 states and 29518 transitions. [2018-11-18 17:10:01,273 INFO L78 Accepts]: Start accepts. Automaton has 27576 states and 29518 transitions. Word has length 1340 [2018-11-18 17:10:01,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:10:01,274 INFO L480 AbstractCegarLoop]: Abstraction has 27576 states and 29518 transitions. [2018-11-18 17:10:01,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:10:01,274 INFO L276 IsEmpty]: Start isEmpty. Operand 27576 states and 29518 transitions. [2018-11-18 17:10:01,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1414 [2018-11-18 17:10:01,293 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:10:01,293 INFO L375 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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] [2018-11-18 17:10:01,293 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:10:01,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:01,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1598730531, now seen corresponding path program 1 times [2018-11-18 17:10:01,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:10:01,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:10:01,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:10:01,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:10:01,295 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:10:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3579 backedges. 822 proven. 2 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2018-11-18 17:10:02,464 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:10:02,464 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:10:02,464 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1414 with the following transitions: [2018-11-18 17:10:02,464 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], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [684], [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], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:10:02,468 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:10:02,468 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:10:03,384 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:10:03,384 INFO L272 AbstractInterpreter]: Visited 288 different actions 1152 times. Merged at 11 different actions 35 times. Never widened. Performed 13776 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13776 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 17:10:03,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:03,389 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:10:03,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:10:03,389 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:10:03,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:10:03,396 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:10:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:03,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:10:04,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3579 backedges. 822 proven. 2 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2018-11-18 17:10:04,038 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:10:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3579 backedges. 822 proven. 2 refuted. 0 times theorem prover too weak. 2755 trivial. 0 not checked. [2018-11-18 17:10:04,668 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:10:04,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 17:10:04,669 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:10:04,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:10:04,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:10:04,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:10:04,670 INFO L87 Difference]: Start difference. First operand 27576 states and 29518 transitions. Second operand 10 states. [2018-11-18 17:10:06,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:10:06,318 INFO L93 Difference]: Finished difference Result 55920 states and 59945 transitions. [2018-11-18 17:10:06,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:10:06,318 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1413 [2018-11-18 17:10:06,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:10:06,358 INFO L225 Difference]: With dead ends: 55920 [2018-11-18 17:10:06,358 INFO L226 Difference]: Without dead ends: 26715 [2018-11-18 17:10:06,394 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2847 GetRequests, 2828 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:10:06,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26715 states. [2018-11-18 17:10:06,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26715 to 25619. [2018-11-18 17:10:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25619 states. [2018-11-18 17:10:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25619 states to 25619 states and 26985 transitions. [2018-11-18 17:10:06,639 INFO L78 Accepts]: Start accepts. Automaton has 25619 states and 26985 transitions. Word has length 1413 [2018-11-18 17:10:06,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:10:06,640 INFO L480 AbstractCegarLoop]: Abstraction has 25619 states and 26985 transitions. [2018-11-18 17:10:06,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:10:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 25619 states and 26985 transitions. [2018-11-18 17:10:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1590 [2018-11-18 17:10:06,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:10:06,667 INFO L375 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, 10, 10, 10, 10, 10, 10, 10, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-18 17:10:06,667 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:10:06,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:06,668 INFO L82 PathProgramCache]: Analyzing trace with hash -111828273, now seen corresponding path program 1 times [2018-11-18 17:10:06,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:10:06,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:10:06,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:10:06,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:10:06,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:10:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5180 backedges. 982 proven. 449 refuted. 0 times theorem prover too weak. 3749 trivial. 0 not checked. [2018-11-18 17:10:07,921 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:10:07,921 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:10:07,921 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1590 with the following transitions: [2018-11-18 17:10:07,922 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], [515], [523], [531], [539], [547], [555], [559], [561], [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], [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], [1076], [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], [1396], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:10:07,924 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:10:07,924 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:10:08,526 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:10:08,526 INFO L272 AbstractInterpreter]: Visited 267 different actions 1075 times. Merged at 12 different actions 42 times. Widened at 1 different actions 1 times. Performed 12744 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12744 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 17:10:08,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:08,529 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:10:08,529 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:10:08,529 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:10:08,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:10:08,535 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:10:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:08,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:10:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5180 backedges. 3386 proven. 2 refuted. 0 times theorem prover too weak. 1792 trivial. 0 not checked. [2018-11-18 17:10:09,465 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:10:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5180 backedges. 982 proven. 449 refuted. 0 times theorem prover too weak. 3749 trivial. 0 not checked. [2018-11-18 17:10:10,272 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:10:10,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 17:10:10,272 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:10:10,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:10:10,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:10:10,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:10:10,273 INFO L87 Difference]: Start difference. First operand 25619 states and 26985 transitions. Second operand 9 states. [2018-11-18 17:10:12,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:10:12,014 INFO L93 Difference]: Finished difference Result 44985 states and 47205 transitions. [2018-11-18 17:10:12,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 17:10:12,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1589 [2018-11-18 17:10:12,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:10:12,036 INFO L225 Difference]: With dead ends: 44985 [2018-11-18 17:10:12,036 INFO L226 Difference]: Without dead ends: 20181 [2018-11-18 17:10:12,063 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3195 GetRequests, 3179 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 17:10:12,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20181 states. [2018-11-18 17:10:12,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20181 to 19734. [2018-11-18 17:10:12,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19734 states. [2018-11-18 17:10:12,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19734 states to 19734 states and 20360 transitions. [2018-11-18 17:10:12,199 INFO L78 Accepts]: Start accepts. Automaton has 19734 states and 20360 transitions. Word has length 1589 [2018-11-18 17:10:12,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:10:12,199 INFO L480 AbstractCegarLoop]: Abstraction has 19734 states and 20360 transitions. [2018-11-18 17:10:12,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:10:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 19734 states and 20360 transitions. [2018-11-18 17:10:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1591 [2018-11-18 17:10:12,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:10:12,219 INFO L375 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-18 17:10:12,219 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:10:12,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:12,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1610132790, now seen corresponding path program 1 times [2018-11-18 17:10:12,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:10:12,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:10:12,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:10:12,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:10:12,220 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:10:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:14,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5188 backedges. 2619 proven. 61 refuted. 0 times theorem prover too weak. 2508 trivial. 0 not checked. [2018-11-18 17:10:14,022 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:10:14,022 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:10:14,022 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1591 with the following transitions: [2018-11-18 17:10:14,023 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], [515], [523], [531], [539], [547], [555], [559], [561], [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], [836], [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], [1076], [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], [1396], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:10:14,027 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:10:14,027 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:10:14,655 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:10:14,655 INFO L272 AbstractInterpreter]: Visited 267 different actions 1076 times. Merged at 12 different actions 43 times. Widened at 1 different actions 1 times. Performed 12749 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12749 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 17:10:14,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:14,657 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:10:14,657 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:10:14,657 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:10:14,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:10:14,663 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:10:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:14,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:10:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5188 backedges. 2627 proven. 2 refuted. 0 times theorem prover too weak. 2559 trivial. 0 not checked. [2018-11-18 17:10:15,757 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:10:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5188 backedges. 1604 proven. 170 refuted. 0 times theorem prover too weak. 3414 trivial. 0 not checked. [2018-11-18 17:10:17,655 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:10:17,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-11-18 17:10:17,655 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:10:17,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 17:10:17,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 17:10:17,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-11-18 17:10:17,656 INFO L87 Difference]: Start difference. First operand 19734 states and 20360 transitions. Second operand 16 states. [2018-11-18 17:10:24,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:10:24,534 INFO L93 Difference]: Finished difference Result 37025 states and 38253 transitions. [2018-11-18 17:10:24,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-18 17:10:24,534 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1590 [2018-11-18 17:10:24,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:10:24,554 INFO L225 Difference]: With dead ends: 37025 [2018-11-18 17:10:24,554 INFO L226 Difference]: Without dead ends: 18378 [2018-11-18 17:10:24,570 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3256 GetRequests, 3203 SyntacticMatches, 6 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=438, Invalid=1914, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 17:10:24,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18378 states. [2018-11-18 17:10:24,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18378 to 16891. [2018-11-18 17:10:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16891 states. [2018-11-18 17:10:24,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16891 states to 16891 states and 17370 transitions. [2018-11-18 17:10:24,709 INFO L78 Accepts]: Start accepts. Automaton has 16891 states and 17370 transitions. Word has length 1590 [2018-11-18 17:10:24,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:10:24,710 INFO L480 AbstractCegarLoop]: Abstraction has 16891 states and 17370 transitions. [2018-11-18 17:10:24,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 17:10:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 16891 states and 17370 transitions. [2018-11-18 17:10:24,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2014 [2018-11-18 17:10:24,731 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:10:24,731 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:10:24,731 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:10:24,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:24,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1659639734, now seen corresponding path program 1 times [2018-11-18 17:10:24,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:10:24,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:10:24,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:10:24,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:10:24,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:10:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 7048 backedges. 4616 proven. 851 refuted. 0 times theorem prover too weak. 1581 trivial. 0 not checked. [2018-11-18 17:10:28,747 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:10:28,747 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:10:28,748 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2014 with the following transitions: [2018-11-18 17:10:28,748 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [117], [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], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [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], [1056], [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], [1412], [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], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:10:28,752 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:10:28,752 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:10:29,710 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:10:29,710 INFO L272 AbstractInterpreter]: Visited 340 different actions 1350 times. Merged at 11 different actions 34 times. Never widened. Performed 16568 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16568 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 10 different actions. Largest state had 24 variables. [2018-11-18 17:10:29,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:29,713 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:10:29,713 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:10:29,713 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:10:29,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:10:29,720 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:10:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:29,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:10:31,369 INFO L134 CoverageAnalysis]: Checked inductivity of 7048 backedges. 4685 proven. 2 refuted. 0 times theorem prover too weak. 2361 trivial. 0 not checked. [2018-11-18 17:10:31,370 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:10:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 7048 backedges. 1427 proven. 827 refuted. 0 times theorem prover too weak. 4794 trivial. 0 not checked. [2018-11-18 17:10:34,329 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:10:34,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5] total 23 [2018-11-18 17:10:34,330 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:10:34,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-18 17:10:34,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-18 17:10:34,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2018-11-18 17:10:34,331 INFO L87 Difference]: Start difference. First operand 16891 states and 17370 transitions. Second operand 21 states. [2018-11-18 17:10:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:10:41,706 INFO L93 Difference]: Finished difference Result 30861 states and 31808 transitions. [2018-11-18 17:10:41,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-18 17:10:41,707 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 2013 [2018-11-18 17:10:41,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:10:41,732 INFO L225 Difference]: With dead ends: 30861 [2018-11-18 17:10:41,732 INFO L226 Difference]: Without dead ends: 17035 [2018-11-18 17:10:41,744 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4129 GetRequests, 4060 SyntacticMatches, 4 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1237 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=838, Invalid=3584, Unknown=0, NotChecked=0, Total=4422 [2018-11-18 17:10:41,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17035 states. [2018-11-18 17:10:41,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17035 to 16219. [2018-11-18 17:10:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16219 states. [2018-11-18 17:10:41,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16219 states to 16219 states and 16641 transitions. [2018-11-18 17:10:41,869 INFO L78 Accepts]: Start accepts. Automaton has 16219 states and 16641 transitions. Word has length 2013 [2018-11-18 17:10:41,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:10:41,870 INFO L480 AbstractCegarLoop]: Abstraction has 16219 states and 16641 transitions. [2018-11-18 17:10:41,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-18 17:10:41,870 INFO L276 IsEmpty]: Start isEmpty. Operand 16219 states and 16641 transitions. [2018-11-18 17:10:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2256 [2018-11-18 17:10:41,893 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:10:41,893 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:10:41,893 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:10:41,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:41,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1405624170, now seen corresponding path program 1 times [2018-11-18 17:10:41,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:10:41,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:10:41,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:10:41,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:10:41,894 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:10:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:48,935 INFO L134 CoverageAnalysis]: Checked inductivity of 9245 backedges. 1426 proven. 5686 refuted. 0 times theorem prover too weak. 2133 trivial. 0 not checked. [2018-11-18 17:10:48,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:10:48,936 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:10:48,936 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2256 with the following transitions: [2018-11-18 17:10:48,936 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [117], [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], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [684], [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], [1056], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1412], [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], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:10:48,939 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:10:48,939 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:10:49,846 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:10:49,847 INFO L272 AbstractInterpreter]: Visited 342 different actions 1363 times. Merged at 13 different actions 39 times. Never widened. Performed 16751 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16751 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 10 different actions. Largest state had 24 variables. [2018-11-18 17:10:49,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:49,848 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:10:49,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:10:49,848 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:10:49,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:10:49,855 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:10:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:50,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:10:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 9245 backedges. 5179 proven. 2 refuted. 0 times theorem prover too weak. 4064 trivial. 0 not checked. [2018-11-18 17:10:51,558 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:10:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 9245 backedges. 1202 proven. 706 refuted. 0 times theorem prover too weak. 7337 trivial. 0 not checked. [2018-11-18 17:10:53,358 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:10:53,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-18 17:10:53,358 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:10:53,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 17:10:53,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 17:10:53,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-11-18 17:10:53,360 INFO L87 Difference]: Start difference. First operand 16219 states and 16641 transitions. Second operand 28 states. [2018-11-18 17:11:06,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:06,875 INFO L93 Difference]: Finished difference Result 33391 states and 34346 transitions. [2018-11-18 17:11:06,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-11-18 17:11:06,876 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2255 [2018-11-18 17:11:06,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:06,897 INFO L225 Difference]: With dead ends: 33391 [2018-11-18 17:11:06,897 INFO L226 Difference]: Without dead ends: 20249 [2018-11-18 17:11:06,909 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4670 GetRequests, 4563 SyntacticMatches, 9 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3362 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1591, Invalid=8309, Unknown=0, NotChecked=0, Total=9900 [2018-11-18 17:11:06,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20249 states. [2018-11-18 17:11:07,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20249 to 18570. [2018-11-18 17:11:07,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18570 states. [2018-11-18 17:11:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18570 states to 18570 states and 19001 transitions. [2018-11-18 17:11:07,059 INFO L78 Accepts]: Start accepts. Automaton has 18570 states and 19001 transitions. Word has length 2255 [2018-11-18 17:11:07,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:07,060 INFO L480 AbstractCegarLoop]: Abstraction has 18570 states and 19001 transitions. [2018-11-18 17:11:07,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 17:11:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 18570 states and 19001 transitions. [2018-11-18 17:11:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2289 [2018-11-18 17:11:07,084 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:11:07,084 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:11:07,085 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:11:07,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:07,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1935569685, now seen corresponding path program 1 times [2018-11-18 17:11:07,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:11:07,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:07,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:07,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:11:07,086 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:11:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 9638 backedges. 1530 proven. 6084 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2018-11-18 17:11:14,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:14,101 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:11:14,102 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2289 with the following transitions: [2018-11-18 17:11:14,102 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [117], [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], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [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], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [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], [1289], [1293], [1296], [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], [1412], [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], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 17:11:14,104 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:11:14,104 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:11:15,007 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:11:15,007 INFO L272 AbstractInterpreter]: Visited 342 different actions 1363 times. Merged at 12 different actions 39 times. Widened at 1 different actions 1 times. Performed 16694 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16694 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 11 different actions. Largest state had 24 variables. [2018-11-18 17:11:15,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:11:15,013 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:11:15,013 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:11:15,013 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:11:15,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:11:15,020 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:11:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:15,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:11:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 9638 backedges. 1412 proven. 56 refuted. 0 times theorem prover too weak. 8170 trivial. 0 not checked. [2018-11-18 17:11:17,006 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:11:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 9638 backedges. 1466 proven. 2 refuted. 0 times theorem prover too weak. 8170 trivial. 0 not checked. [2018-11-18 17:11:18,625 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:11:18,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 6, 6] total 32 [2018-11-18 17:11:18,626 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:11:18,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 17:11:18,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 17:11:18,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=853, Unknown=0, NotChecked=0, Total=992 [2018-11-18 17:11:18,628 INFO L87 Difference]: Start difference. First operand 18570 states and 19001 transitions. Second operand 28 states. [2018-11-18 17:11:32,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:11:32,733 INFO L93 Difference]: Finished difference Result 36222 states and 37148 transitions. [2018-11-18 17:11:32,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-11-18 17:11:32,734 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2288 [2018-11-18 17:11:32,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:11:32,734 INFO L225 Difference]: With dead ends: 36222 [2018-11-18 17:11:32,735 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:11:32,757 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4714 GetRequests, 4618 SyntacticMatches, 7 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2515 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1302, Invalid=6888, Unknown=0, NotChecked=0, Total=8190 [2018-11-18 17:11:32,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:11:32,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:11:32,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:11:32,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:11:32,758 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2288 [2018-11-18 17:11:32,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:11:32,759 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:11:32,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 17:11:32,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:11:32,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:11:32,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:11:32,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:32,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:32,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:32,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,473 WARN L180 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 386 [2018-11-18 17:11:33,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:33,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:34,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:34,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:34,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:34,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:34,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:34,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:35,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:35,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:35,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:35,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:35,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:35,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:35,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:35,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:35,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:11:35,416 WARN L180 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 419 [2018-11-18 17:11:37,237 WARN L180 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 386 DAG size of output: 105 [2018-11-18 17:11:39,281 WARN L180 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 428 DAG size of output: 134 [2018-11-18 17:11:41,952 WARN L180 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 561 DAG size of output: 137 [2018-11-18 17:11:45,087 WARN L180 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 507 DAG size of output: 176 [2018-11-18 17:11:46,869 WARN L180 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 416 DAG size of output: 103 [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L421 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)) [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,879 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse20 (= |old(~a16~0)| ~a16~0)) (.cse17 (= 6 |old(~a12~0)|)) (.cse30 (= |old(~a15~0)| ~a15~0)) (.cse25 (= ~a16~0 |old(~a16~0)|)) (.cse19 (= ~a18~0 |old(~a18~0)|)) (.cse21 (= |old(~a12~0)| ~a12~0)) (.cse0 (= 12 |old(~a16~0)|)) (.cse4 (= 11 |old(~a16~0)|)) (.cse18 (= 8 |old(~a12~0)|)) (.cse13 (< 0 (+ |old(~a18~0)| 79))) (.cse8 (= 4 |old(~a15~0)|))) (let ((.cse6 (< 7 |old(~a12~0)|)) (.cse10 (not .cse8)) (.cse23 (and (<= |old(~a18~0)| 134) .cse13)) (.cse26 (= 3 ~a15~0)) (.cse22 (not (= 3 |old(~a15~0)|))) (.cse11 (not (= 5 |old(~a12~0)|))) (.cse28 (not (= 9 |old(~a12~0)|))) (.cse7 (< |old(~a15~0)| 4)) (.cse15 (not .cse18)) (.cse24 (or .cse0 .cse8 .cse4)) (.cse9 (< |old(~a12~0)| 6)) (.cse2 (= 10 |old(~a16~0)|)) (.cse29 (not (= 9 |old(~a16~0)|))) (.cse5 (and .cse30 .cse25 .cse19 .cse21)) (.cse3 (not .cse17)) (.cse14 (<= (+ ~a18~0 79) 0)) (.cse16 (not (= 7 |old(~a12~0)|))) (.cse27 (not .cse4)) (.cse12 (not (= 8 |old(~a16~0)|))) (.cse1 (and .cse20 .cse30 .cse21))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse5 .cse6 .cse4 .cse7) (or .cse8 (not .cse0) .cse9 .cse5) (or .cse5 (or .cse10 .cse11 .cse12)) (or .cse5 .cse0 .cse13 .cse6 .cse4 .cse7) (or .cse14 .cse8 .cse15 .cse13) (or .cse8 .cse16 .cse14 .cse13) (or (or .cse17 .cse8 .cse9 .cse18 .cse2 .cse4) (and (and .cse19 .cse20 .cse21) (= ~a15~0 |old(~a15~0)|))) (or .cse22 (or .cse14 (< 134 ~a18~0)) .cse23 .cse24 .cse3) (or .cse10 .cse12 .cse15 .cse5) (or (and .cse25 .cse26 .cse21) .cse22 .cse23 .cse24 .cse3) (or (or .cse8 .cse15 .cse27) .cse5) (or .cse8 .cse16 .cse1) (or .cse22 .cse27 .cse13 (and .cse25 .cse26 .cse19 .cse21) .cse3) (or (or .cse8 .cse27) .cse28 .cse5) (or .cse0 .cse5 .cse3 .cse4 .cse7) (or .cse22 .cse11 (= 0 |old(~a16~0)|) .cse5) (or .cse12 .cse28 .cse5) (or (or .cse15 .cse29 .cse7) .cse5) (or .cse24 .cse15 .cse1) (or .cse24 .cse19 .cse3 (forall ((v_~a18~0_1172 Int)) (or (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0) (< (div (+ (* 27 v_~a18~0_1172) 5392575) 10) (+ |old(~a18~0)| 557770))))) (or .cse17 .cse0 .cse9 .cse18 .cse2 .cse13 .cse5 .cse4) (or .cse14 .cse12 .cse13) (or .cse5 (or .cse16 .cse29)) (or .cse12 .cse16 .cse5) (or .cse8 .cse3 .cse13 (and .cse14 .cse20 .cse30 .cse21) .cse4) (or .cse8 .cse16 .cse27 .cse19) (or .cse12 .cse8 .cse1)))) [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,880 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,881 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 17:11:46,882 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 17:11:46,883 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse4 (= 11 |old(~a16~0)|)) (.cse13 (= 8 |old(~a12~0)|))) (let ((.cse5 (= 4 |old(~a15~0)|)) (.cse6 (not .cse13)) (.cse35 (not .cse4)) (.cse18 (= ~a16~0 |old(~a16~0)|)) (.cse22 (= ~a18~0 |old(~a18~0)|)) (.cse0 (= 12 |old(~a16~0)|)) (.cse11 (= 6 |old(~a12~0)|)) (.cse16 (= 8 ~a16~0)) (.cse17 (= |old(~a12~0)| 9)) (.cse26 (<= (+ ~a18~0 79) 0)) (.cse23 (<= |old(~a16~0)| 11)) (.cse39 (not (= ~a16~0 11))) (.cse8 (not (= ~a15~0 4))) (.cse38 (= |old(~a16~0)| ~a16~0)) (.cse40 (= 7 ~a12~0)) (.cse9 (= |old(~a15~0)| ~a15~0)) (.cse34 (= |old(~a12~0)| ~a12~0))) (let ((.cse14 (and .cse26 .cse23 .cse39 .cse8 .cse38 .cse40 .cse9 .cse34)) (.cse30 (not (= 9 |old(~a12~0)|))) (.cse24 (< 7 |old(~a12~0)|)) (.cse20 (not (= 5 |old(~a12~0)|))) (.cse32 (= |calculate_output_#in~input| 0)) (.cse37 (not (= calculate_output_~input 0))) (.cse2 (= 10 |old(~a16~0)|)) (.cse29 (and .cse16 .cse17 .cse8 .cse38 .cse9 .cse34)) (.cse36 (and .cse23 .cse39 .cse8 .cse40 .cse9 .cse34)) (.cse12 (< |old(~a12~0)| 6)) (.cse28 (not (= 9 |old(~a16~0)|))) (.cse25 (< |old(~a15~0)| 4)) (.cse27 (not (= 7 |old(~a12~0)|))) (.cse21 (= 3 ~a15~0)) (.cse3 (not .cse11)) (.cse15 (< 0 (+ |old(~a18~0)| 79))) (.cse1 (and .cse38 .cse9 .cse34)) (.cse7 (not (= 8 |old(~a16~0)|))) (.cse19 (not .cse0)) (.cse10 (and .cse9 .cse18 .cse22 .cse34)) (.cse31 (not (= 3 |old(~a15~0)|))) (.cse33 (or .cse5 .cse6 .cse35))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1) (or .cse7 .cse6 (and .cse8 .cse9) .cse10) (or .cse11 .cse0 .cse12 .cse13 .cse10 .cse14 .cse2 .cse15 (and .cse16 .cse17 .cse18) .cse4) (or (or .cse5 .cse19 .cse3) .cse10) (or .cse10 (or (not .cse5) .cse20 .cse7)) (or .cse21 .cse22 (forall ((v_~a18~0_1172 Int)) (or (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0) (< (div (+ (* 27 v_~a18~0_1172) 5392575) 10) (+ |old(~a18~0)| 557770)))) .cse5 .cse23 .cse3) (or .cse11 .cse0 .cse14 .cse15 .cse10 .cse24 .cse4 .cse25) (or .cse7 .cse26 .cse15) (or .cse14 .cse10 (or .cse27 .cse28 .cse25)) (or .cse7 .cse10 .cse29 .cse30) (or .cse5 .cse27 .cse1) (or .cse31 .cse20 .cse26 .cse15 .cse32 .cse28) (or .cse22 .cse33) (or .cse31 (and .cse18 .cse21 (or .cse26 (< 134 ~a18~0)) .cse34) (and (not (= 10 ~a16~0)) .cse23 .cse18) .cse4 (<= |old(~a18~0)| 134) .cse3) (or (or .cse5 .cse35) .cse30 .cse10) (or .cse11 .cse0 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse36 .cse10 .cse24 .cse4 .cse25) (or .cse31 .cse20 (and .cse9 .cse37 .cse18 .cse22 .cse34) .cse32 (= 0 |old(~a16~0)|) (and (= 9 ~a16~0) .cse37 .cse18 .cse21 .cse34) (and .cse37 .cse18 (= ~a16~0 8))) (or .cse5 .cse6 .cse15 .cse26) (or .cse5 .cse27 .cse15 .cse26) (or .cse32 (or .cse31 .cse35) (not (= (+ |old(~a18~0)| 87) 0)) .cse37 .cse3) (or (and .cse22 .cse38 (= ~a15~0 |old(~a15~0)|) .cse34) .cse36 .cse4 .cse11 .cse5 .cse12 .cse13 .cse2 .cse29) (or .cse7 .cse36 .cse10 .cse11 .cse12 .cse13 (< 8 |old(~a12~0)|)) (or .cse10 .cse0 .cse3 (and .cse16 .cse8 .cse38) .cse4 .cse25) (or .cse10 (or .cse6 .cse28 .cse25)) (or .cse5 .cse27 .cse10 .cse35) (or .cse31 .cse35 .cse15 .cse3 (and .cse18 .cse21 .cse22 .cse34)) (or .cse5 .cse3 .cse15 (and .cse26 .cse38 .cse9 .cse34) .cse4) (or .cse1 .cse7 .cse5) (or .cse5 .cse19 .cse10 .cse6) (or .cse31 (or (not (= calculate_output_~input 3)) (< 0 (+ ~a18~0 156))) .cse33))))) [2018-11-18 17:11:46,883 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,883 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 17:11:46,883 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,883 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,883 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,883 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,883 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,883 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,884 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,885 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,886 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 17:11:46,887 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,888 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse28 (= |old(~a16~0)| ~a16~0)) (.cse27 (= 8 |old(~a12~0)|)) (.cse29 (= |old(~a15~0)| ~a15~0)) (.cse18 (= ~a16~0 |old(~a16~0)|)) (.cse22 (= ~a18~0 |old(~a18~0)|)) (.cse21 (= |old(~a12~0)| ~a12~0)) (.cse0 (= 12 |old(~a16~0)|)) (.cse25 (= 6 |old(~a12~0)|)) (.cse4 (= 11 |old(~a16~0)|)) (.cse5 (= 4 |old(~a15~0)|))) (let ((.cse12 (not (= 5 |old(~a12~0)|))) (.cse8 (< 7 |old(~a12~0)|)) (.cse11 (not .cse5)) (.cse14 (not (= 3 |old(~a15~0)|))) (.cse19 (= 3 ~a15~0)) (.cse17 (not .cse4)) (.cse23 (not (= 9 |old(~a12~0)|))) (.cse9 (< |old(~a15~0)| 4)) (.cse24 (not (= 9 |old(~a16~0)|))) (.cse16 (not (= 7 |old(~a12~0)|))) (.cse26 (< |old(~a12~0)| 6)) (.cse2 (= 10 |old(~a16~0)|)) (.cse3 (not .cse25)) (.cse15 (< 0 (+ |old(~a18~0)| 79))) (.cse20 (<= (+ ~a18~0 79) 0)) (.cse10 (not .cse0)) (.cse7 (and .cse29 .cse18 .cse22 .cse21)) (.cse6 (not .cse27)) (.cse13 (not (= 8 |old(~a16~0)|))) (.cse1 (and .cse28 .cse29 .cse21))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1) (or .cse0 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse7 .cse8 .cse4 .cse9) (or (or .cse5 .cse10 .cse3) .cse7) (or .cse7 (or .cse11 .cse12 .cse13)) (or .cse7 .cse14 .cse12 (= 0 |old(~a16~0)|) (= |calculate_output_#in~input| 0)) (or .cse7 .cse0 .cse15 .cse8 .cse4 .cse9) (or .cse5 .cse16 .cse17 .cse7) (or .cse14 (<= |old(~a18~0)| 134) (and .cse18 .cse19 (or .cse20 (< 134 ~a18~0)) .cse21) .cse3 .cse4) (or .cse11 .cse13 .cse6 .cse7) (or (or .cse5 .cse6 .cse17) .cse22) (or .cse5 .cse3 (forall ((v_~a18~0_1172 Int)) (or (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0) (< (div (+ (* 27 v_~a18~0_1172) 5392575) 10) (+ |old(~a18~0)| 557770)))) .cse22 .cse4) (or .cse5 .cse16 .cse1) (or .cse14 .cse17 .cse15 (and .cse18 .cse19 .cse22 .cse21) .cse3) (or (or .cse5 .cse17) .cse23 .cse7) (or .cse0 .cse7 .cse3 .cse4 .cse9) (or .cse13 .cse23 .cse7) (or .cse5 .cse6 .cse15 .cse20) (or .cse5 .cse16 .cse15 .cse20) (or (or .cse6 .cse24 .cse9) .cse7) (or .cse25 .cse0 .cse26 .cse27 .cse2 .cse15 .cse7 .cse4) (or .cse20 .cse13 .cse15) (or .cse7 (or .cse16 .cse24)) (or .cse13 .cse16 .cse7) (or .cse7 .cse25 .cse5 .cse26 .cse27 .cse2 .cse4) (or .cse5 .cse3 .cse15 (and .cse20 .cse28 .cse29 .cse21) .cse4) (or .cse5 .cse10 .cse7 .cse6) (or .cse13 .cse5 .cse1)))) [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,889 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,890 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,891 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 17:11:46,892 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 17:11:46,893 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 17:11:46,894 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,895 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 17:11:46,896 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,897 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,898 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,899 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,900 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 17:11:46,901 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-11-18 17:11:46,902 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)))) [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse9 (<= (+ ~a18~0 79) 0)) (.cse2 (not (= ~a15~0 4))) (.cse11 (not (= ~a16~0 12))) (.cse20 (not (= ~a12~0 8)))) (let ((.cse8 (= 9 ~a16~0)) (.cse12 (<= ~a12~0 7)) (.cse13 (not (= main_~input~0 0))) (.cse15 (= ~a12~0 5)) (.cse16 (+ |old(~a18~0)| 87)) (.cse4 (= 8 ~a12~0)) (.cse10 (<= 4 ~a15~0)) (.cse17 (<= |old(~a18~0)| ~a18~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse19 (and (and .cse9 .cse2 .cse11) .cse20)) (.cse18 (= 6 ~a12~0)) (.cse14 (= ~a15~0 3)) (.cse6 (= 8 ~a16~0)) (.cse7 (= 7 ~a12~0)) (.cse0 (not (= 10 ~a16~0))) (.cse1 (not (= ~a16~0 11))) (.cse3 (<= 6 ~a12~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 3 |old(~a15~0)|)) (and .cse4 .cse5) (and (= 5 ~a12~0) .cse6) (and .cse7 .cse8) (and .cse6 (= 9 ~a12~0)) (and .cse9 .cse1 .cse10 .cse11 .cse12) (and (not (= ~a16~0 0)) .cse13 .cse14 .cse15 .cse1) (not (= 5 |old(~a12~0)|)) (and .cse8 .cse4) (and .cse4 .cse1 .cse2) (< 0 .cse16) (and .cse0 (= ~a12~0 9) .cse5) (and (exists ((v_~a18~0_1172 Int)) (and (< 0 (+ v_~a18~0_1172 156)) (<= (+ v_~a18~0_1172 79) 0) (= ~a18~0 (+ (* 3 v_~a18~0_1172) 599175)))) .cse1 .cse10 .cse11 .cse12) (and .cse17 (= ~a16~0 |old(~a16~0)|) .cse13 .cse15 (= ~a15~0 |old(~a15~0)|)) (< .cse16 0) (and .cse4 .cse6) (and .cse18 .cse1 .cse10 .cse11) (and .cse18 .cse19 .cse17 .cse5) (and .cse6 .cse2) (and .cse1 .cse2 .cse7) (and .cse7 .cse5) (and .cse18 .cse1 .cse19) (and .cse18 .cse1 .cse14 (< 134 ~a18~0)) (and .cse6 .cse7) (and .cse0 .cse20 .cse9 .cse1 .cse11 .cse3)))) [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 17:11:46,902 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 17:11:46,903 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse18 (= ~a15~0 3)) (.cse19 (= ~a12~0 5)) (.cse9 (<= (+ ~a18~0 79) 0)) (.cse2 (not (= ~a15~0 4))) (.cse11 (not (= ~a16~0 12))) (.cse20 (not (= ~a12~0 8)))) (let ((.cse8 (= 9 ~a16~0)) (.cse12 (<= ~a12~0 7)) (.cse15 (+ |old(~a18~0)| 87)) (.cse4 (= 8 ~a12~0)) (.cse10 (<= 4 ~a15~0)) (.cse13 (<= |old(~a18~0)| ~a18~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse17 (and (and .cse9 .cse2 .cse11) .cse20)) (.cse16 (= 6 ~a12~0)) (.cse14 (and (not (= ~a16~0 0)) .cse18 .cse11 .cse19)) (.cse6 (= 8 ~a16~0)) (.cse7 (= 7 ~a12~0)) (.cse0 (not (= 10 ~a16~0))) (.cse1 (not (= ~a16~0 11))) (.cse3 (<= 6 ~a12~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 3 |old(~a15~0)|)) (and .cse4 .cse5) (and (= 5 ~a12~0) .cse6) (and .cse7 .cse8) (and .cse6 (= 9 ~a12~0)) (and .cse9 .cse1 .cse10 .cse11 .cse12) (and .cse13 .cse14) (not (= 5 |old(~a12~0)|)) (and .cse8 .cse4) (and .cse4 .cse1 .cse2) (< 0 .cse15) (and .cse0 (= ~a12~0 9) .cse5) (and (exists ((v_~a18~0_1172 Int)) (and (< 0 (+ v_~a18~0_1172 156)) (<= (+ v_~a18~0_1172 79) 0) (= ~a18~0 (+ (* 3 v_~a18~0_1172) 599175)))) .cse1 .cse10 .cse11 .cse12) (< .cse15 0) (and .cse4 .cse6) (and .cse16 .cse1 .cse10 .cse11) (and .cse16 .cse17 .cse13 .cse5) (and .cse6 .cse2) (and .cse18 .cse19 (= 12 ~a16~0)) (and .cse1 .cse2 .cse7) (and .cse7 .cse5) (and .cse16 .cse1 .cse17) (and .cse16 .cse1 .cse18 (< 134 ~a18~0)) (and .cse1 .cse14) (and .cse6 .cse7) (and .cse0 .cse20 .cse9 .cse1 .cse11 .cse3)))) [2018-11-18 17:11:46,903 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 17:11:46,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:46,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:46,907 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:46,912 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:46,912 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:46,912 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:46,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:11:46 BoogieIcfgContainer [2018-11-18 17:11:46,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:11:46,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:11:46,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:11:46,916 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:11:46,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:12" (3/4) ... [2018-11-18 17:11:46,919 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:11:46,926 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:11:46,926 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 17:11:46,926 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:11:46,927 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:11:46,945 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 17:11:46,947 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:11:46,989 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((!(11 == \old(a16)) || (((!(10 == a16) && !(a16 == 11)) && !(a15 == 4)) && 6 <= a12)) || !(3 == \old(a15))) || (8 == a12 && \old(a15) == a15)) || (5 == a12 && 8 == a16)) || (7 == a12 && 9 == a16)) || (8 == a16 && 9 == a12)) || ((((a18 + 79 <= 0 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || (\old(a18) <= a18 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || !(5 == \old(a12))) || (9 == a16 && 8 == a12)) || ((8 == a12 && !(a16 == 11)) && !(a15 == 4))) || 0 < \old(a18) + 87) || ((!(10 == a16) && a12 == 9) && \old(a15) == a15)) || (((((\exists v_~a18~0_1172 : int :: (0 < v_~a18~0_1172 + 156 && v_~a18~0_1172 + 79 <= 0) && a18 == 3 * v_~a18~0_1172 + 599175) && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || \old(a18) + 87 < 0) || (8 == a12 && 8 == a16)) || (((6 == a12 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12))) || (((6 == a12 && ((a18 + 79 <= 0 && !(a15 == 4)) && !(a16 == 12)) && !(a12 == 8)) && \old(a18) <= a18) && \old(a15) == a15)) || (8 == a16 && !(a15 == 4))) || ((a15 == 3 && a12 == 5) && 12 == a16)) || ((!(a16 == 11) && !(a15 == 4)) && 7 == a12)) || (7 == a12 && \old(a15) == a15)) || ((6 == a12 && !(a16 == 11)) && ((a18 + 79 <= 0 && !(a15 == 4)) && !(a16 == 12)) && !(a12 == 8))) || (((6 == a12 && !(a16 == 11)) && a15 == 3) && 134 < a18)) || (!(a16 == 11) && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || (8 == a16 && 7 == a12)) || (((((!(10 == a16) && !(a12 == 8)) && a18 + 79 <= 0) && !(a16 == 11)) && !(a16 == 12)) && 6 <= a12) [2018-11-18 17:11:47,133 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2c4254cc-c81e-423e-a9e8-07c88be4e0d9/bin-2019/utaipan/witness.graphml [2018-11-18 17:11:47,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:11:47,134 INFO L168 Benchmark]: Toolchain (without parser) took 337196.60 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 954.9 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. [2018-11-18 17:11:47,135 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:11:47,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 116.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:47,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.03 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:47,135 INFO L168 Benchmark]: Boogie Preprocessor took 80.31 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:47,135 INFO L168 Benchmark]: RCFGBuilder took 1369.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 864.9 MB in the end (delta: 243.4 MB). Peak memory consumption was 243.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:47,136 INFO L168 Benchmark]: TraceAbstraction took 334707.99 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 861.8 MB in the beginning and 2.6 GB in the end (delta: -1.8 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-11-18 17:11:47,136 INFO L168 Benchmark]: Witness Printer took 218.03 ms. Allocated memory is still 5.4 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:11:47,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 783.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 116.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.03 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.31 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: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1369.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 864.9 MB in the end (delta: 243.4 MB). Peak memory consumption was 243.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 334707.99 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 861.8 MB in the beginning and 2.6 GB in the end (delta: -1.8 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 218.03 ms. Allocated memory is still 5.4 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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 [2018-11-18 17:11:47,141 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:47,141 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:47,141 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:47,142 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:47,142 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-11-18 17:11:47,142 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((!(11 == \old(a16)) || (((!(10 == a16) && !(a16 == 11)) && !(a15 == 4)) && 6 <= a12)) || !(3 == \old(a15))) || (8 == a12 && \old(a15) == a15)) || (5 == a12 && 8 == a16)) || (7 == a12 && 9 == a16)) || (8 == a16 && 9 == a12)) || ((((a18 + 79 <= 0 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || (\old(a18) <= a18 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || !(5 == \old(a12))) || (9 == a16 && 8 == a12)) || ((8 == a12 && !(a16 == 11)) && !(a15 == 4))) || 0 < \old(a18) + 87) || ((!(10 == a16) && a12 == 9) && \old(a15) == a15)) || (((((\exists v_~a18~0_1172 : int :: (0 < v_~a18~0_1172 + 156 && v_~a18~0_1172 + 79 <= 0) && a18 == 3 * v_~a18~0_1172 + 599175) && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || \old(a18) + 87 < 0) || (8 == a12 && 8 == a16)) || (((6 == a12 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12))) || (((6 == a12 && ((a18 + 79 <= 0 && !(a15 == 4)) && !(a16 == 12)) && !(a12 == 8)) && \old(a18) <= a18) && \old(a15) == a15)) || (8 == a16 && !(a15 == 4))) || ((a15 == 3 && a12 == 5) && 12 == a16)) || ((!(a16 == 11) && !(a15 == 4)) && 7 == a12)) || (7 == a12 && \old(a15) == a15)) || ((6 == a12 && !(a16 == 11)) && ((a18 + 79 <= 0 && !(a15 == 4)) && !(a16 == 12)) && !(a12 == 8))) || (((6 == a12 && !(a16 == 11)) && a15 == 3) && 134 < a18)) || (!(a16 == 11) && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || (8 == a16 && 7 == a12)) || (((((!(10 == a16) && !(a12 == 8)) && a18 + 79 <= 0) && !(a16 == 11)) && !(a16 == 12)) && 6 <= a12) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 334.6s OverallTime, 19 OverallIterations, 13 TraceHistogramMax, 256.0s AutomataDifference, 0.0s DeadEndRemovalTime, 14.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3267 SDtfs, 57362 SDslu, 6369 SDs, 0 SdLazy, 129910 SolverSat, 9695 SolverUnsat, 117 SolverUnknown, 0 SolverNotchecked, 223.6s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 31405 GetRequests, 30904 SyntacticMatches, 47 SemanticMatches, 454 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8080 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27666occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.3s AbstIntTime, 13 AbstIntIterations, 4 AbstIntStrong, 0.9983637484850003 AbsIntWeakeningRatio, 0.04962455109369899 AbsIntAvgWeakeningVarsNumRemoved, 16.11100228534117 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 19 MinimizatonAttempts, 6625 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2606 PreInvPairs, 5297 NumberOfFragments, 3403 HoareAnnotationTreeSize, 2606 FomulaSimplifications, 105768 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 98108 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 24.1s InterpolantComputationTime, 32435 NumberOfCodeBlocks, 32435 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 46241 ConstructedInterpolants, 71 QuantifiedInterpolants, 287970853 SizeOfPredicates, 8 NumberOfNonLiveVariables, 17758 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 37 InterpolantComputations, 8 PerfectInterpolantSequences, 123290/140978 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...