./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/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 e002fb6463a65ebb6b75b40986db95c31112380a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:08:54,746 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:08:54,747 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:08:54,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:08:54,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:08:54,754 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:08:54,754 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:08:54,755 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:08:54,756 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:08:54,756 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:08:54,757 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:08:54,757 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:08:54,757 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:08:54,758 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:08:54,758 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:08:54,759 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:08:54,759 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:08:54,760 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:08:54,761 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:08:54,761 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:08:54,762 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:08:54,762 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:08:54,764 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:08:54,764 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:08:54,764 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:08:54,764 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:08:54,765 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:08:54,765 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:08:54,765 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:08:54,766 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:08:54,766 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:08:54,766 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:08:54,766 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:08:54,766 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:08:54,767 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:08:54,767 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:08:54,767 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:08:54,774 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:08:54,774 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:08:54,775 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:08:54,775 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:08:54,775 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:08:54,775 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:08:54,775 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:08:54,775 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:08:54,775 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:08:54,775 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:08:54,776 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:08:54,776 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:08:54,776 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:08:54,776 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:08:54,776 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:08:54,776 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:08:54,776 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:08:54,776 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:08:54,777 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:08:54,777 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:08:54,777 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:08:54,777 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:08:54,777 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:08:54,777 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:08:54,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:08:54,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:08:54,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:08:54,777 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:08:54,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:08:54,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:08:54,778 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:08:54,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:08:54,778 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:08:54,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:08:54,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:08:54,778 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:08:54,778 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_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/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 -> e002fb6463a65ebb6b75b40986db95c31112380a [2018-12-09 11:08:54,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:08:54,801 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:08:54,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:08:54,804 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:08:54,804 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:08:54,804 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c [2018-12-09 11:08:54,837 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/data/bbab703c7/0f3ae7ae785a431ab7d49776f00c78e9/FLAG7958ce8d4 [2018-12-09 11:08:55,297 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:08:55,297 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/sv-benchmarks/c/eca-rers2012/Problem01_label26_true-unreach-call_false-termination.c [2018-12-09 11:08:55,304 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/data/bbab703c7/0f3ae7ae785a431ab7d49776f00c78e9/FLAG7958ce8d4 [2018-12-09 11:08:55,312 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/data/bbab703c7/0f3ae7ae785a431ab7d49776f00c78e9 [2018-12-09 11:08:55,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:08:55,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:08:55,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:08:55,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:08:55,317 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:08:55,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55, skipping insertion in model container [2018-12-09 11:08:55,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:08:55,347 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:08:55,517 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:08:55,520 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:08:55,600 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:08:55,609 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:08:55,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55 WrapperNode [2018-12-09 11:08:55,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:08:55,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:08:55,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:08:55,610 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:08:55,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:08:55,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:08:55,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:08:55,629 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:08:55,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (1/1) ... [2018-12-09 11:08:55,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:08:55,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:08:55,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:08:55,666 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:08:55,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:08:55,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:08:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:08:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 11:08:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 11:08:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:08:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:08:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:08:55,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:08:56,282 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:08:56,282 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 11:08:56,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:08:56 BoogieIcfgContainer [2018-12-09 11:08:56,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:08:56,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:08:56,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:08:56,286 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:08:56,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:08:55" (1/3) ... [2018-12-09 11:08:56,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:08:56, skipping insertion in model container [2018-12-09 11:08:56,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:08:55" (2/3) ... [2018-12-09 11:08:56,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:08:56, skipping insertion in model container [2018-12-09 11:08:56,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:08:56" (3/3) ... [2018-12-09 11:08:56,289 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label26_true-unreach-call_false-termination.c [2018-12-09 11:08:56,297 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:08:56,303 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:08:56,316 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:08:56,337 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:08:56,338 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:08:56,338 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:08:56,338 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:08:56,338 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:08:56,338 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:08:56,338 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:08:56,338 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:08:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 11:08:56,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 11:08:56,357 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:08:56,358 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:08:56,359 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:08:56,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:08:56,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times [2018-12-09 11:08:56,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:08:56,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:08:56,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:08:56,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:08:56,394 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:08:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:08:56,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:08:56,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:08:56,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:08:56,613 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:08:56,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:08:56,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:08:56,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:08:56,631 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 11:08:57,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:08:57,070 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 11:08:57,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:08:57,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-12-09 11:08:57,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:08:57,080 INFO L225 Difference]: With dead ends: 547 [2018-12-09 11:08:57,080 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 11:08:57,083 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:08:57,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 11:08:57,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 11:08:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 11:08:57,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2018-12-09 11:08:57,121 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 109 [2018-12-09 11:08:57,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:08:57,121 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2018-12-09 11:08:57,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:08:57,122 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2018-12-09 11:08:57,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 11:08:57,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:08:57,124 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:08:57,125 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:08:57,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:08:57,125 INFO L82 PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times [2018-12-09 11:08:57,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:08:57,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:08:57,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:08:57,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:08:57,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:08:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:08:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:08:57,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:08:57,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:08:57,194 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:08:57,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:08:57,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:08:57,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:08:57,196 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 6 states. [2018-12-09 11:08:57,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:08:57,582 INFO L93 Difference]: Finished difference Result 840 states and 1222 transitions. [2018-12-09 11:08:57,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:08:57,583 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-12-09 11:08:57,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:08:57,587 INFO L225 Difference]: With dead ends: 840 [2018-12-09 11:08:57,587 INFO L226 Difference]: Without dead ends: 568 [2018-12-09 11:08:57,589 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:08:57,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-09 11:08:57,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2018-12-09 11:08:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-12-09 11:08:57,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2018-12-09 11:08:57,614 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 119 [2018-12-09 11:08:57,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:08:57,614 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2018-12-09 11:08:57,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:08:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2018-12-09 11:08:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 11:08:57,616 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:08:57,617 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 11:08:57,617 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:08:57,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:08:57,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times [2018-12-09 11:08:57,617 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:08:57,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:08:57,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:08:57,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:08:57,618 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:08:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:08:57,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:08:57,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:08:57,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:08:57,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:08:57,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:08:57,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:08:57,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:08:57,773 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 5 states. [2018-12-09 11:08:58,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:08:58,111 INFO L93 Difference]: Finished difference Result 1205 states and 1730 transitions. [2018-12-09 11:08:58,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:08:58,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-12-09 11:08:58,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:08:58,114 INFO L225 Difference]: With dead ends: 1205 [2018-12-09 11:08:58,114 INFO L226 Difference]: Without dead ends: 554 [2018-12-09 11:08:58,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:08:58,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-09 11:08:58,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-12-09 11:08:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-09 11:08:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 712 transitions. [2018-12-09 11:08:58,128 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 712 transitions. Word has length 120 [2018-12-09 11:08:58,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:08:58,129 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 712 transitions. [2018-12-09 11:08:58,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:08:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 712 transitions. [2018-12-09 11:08:58,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 11:08:58,131 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:08:58,131 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 11:08:58,131 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:08:58,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:08:58,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1557577546, now seen corresponding path program 1 times [2018-12-09 11:08:58,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:08:58,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:08:58,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:08:58,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:08:58,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:08:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:08:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:08:58,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:08:58,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:08:58,208 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:08:58,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:08:58,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:08:58,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:08:58,208 INFO L87 Difference]: Start difference. First operand 554 states and 712 transitions. Second operand 4 states. [2018-12-09 11:08:58,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:08:58,582 INFO L93 Difference]: Finished difference Result 1372 states and 1784 transitions. [2018-12-09 11:08:58,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:08:58,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2018-12-09 11:08:58,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:08:58,584 INFO L225 Difference]: With dead ends: 1372 [2018-12-09 11:08:58,585 INFO L226 Difference]: Without dead ends: 824 [2018-12-09 11:08:58,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:08:58,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-12-09 11:08:58,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2018-12-09 11:08:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2018-12-09 11:08:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1027 transitions. [2018-12-09 11:08:58,597 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1027 transitions. Word has length 124 [2018-12-09 11:08:58,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:08:58,597 INFO L480 AbstractCegarLoop]: Abstraction has 824 states and 1027 transitions. [2018-12-09 11:08:58,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:08:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1027 transitions. [2018-12-09 11:08:58,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 11:08:58,599 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:08:58,599 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:08:58,599 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:08:58,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:08:58,599 INFO L82 PathProgramCache]: Analyzing trace with hash -323555598, now seen corresponding path program 1 times [2018-12-09 11:08:58,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:08:58,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:08:58,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:08:58,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:08:58,600 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:08:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:08:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 11:08:58,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:08:58,671 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:08:58,671 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-12-09 11:08:58,673 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 11:08:58,699 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:08:58,699 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:08:58,966 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 11:08:58,967 INFO L272 AbstractInterpreter]: Visited 111 different actions 111 times. Never merged. Never widened. Performed 1511 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1511 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-12-09 11:08:58,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:08:58,973 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 11:08:59,312 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 80.29% of their original sizes. [2018-12-09 11:08:59,312 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 11:08:59,345 INFO L418 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-12-09 11:08:59,345 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 11:08:59,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:08:59,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 11:08:59,346 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:08:59,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:08:59,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:08:59,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:08:59,347 INFO L87 Difference]: Start difference. First operand 824 states and 1027 transitions. Second operand 6 states. [2018-12-09 11:09:01,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:09:01,143 INFO L93 Difference]: Finished difference Result 1778 states and 2206 transitions. [2018-12-09 11:09:01,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:09:01,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-12-09 11:09:01,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:09:01,147 INFO L225 Difference]: With dead ends: 1778 [2018-12-09 11:09:01,147 INFO L226 Difference]: Without dead ends: 960 [2018-12-09 11:09:01,148 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:09:01,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2018-12-09 11:09:01,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 959. [2018-12-09 11:09:01,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2018-12-09 11:09:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1168 transitions. [2018-12-09 11:09:01,167 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1168 transitions. Word has length 168 [2018-12-09 11:09:01,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:09:01,168 INFO L480 AbstractCegarLoop]: Abstraction has 959 states and 1168 transitions. [2018-12-09 11:09:01,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:09:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1168 transitions. [2018-12-09 11:09:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 11:09:01,171 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:09:01,171 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:09:01,171 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:09:01,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:01,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1525224755, now seen corresponding path program 1 times [2018-12-09 11:09:01,172 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:09:01,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:01,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:09:01,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:01,173 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:09:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:09:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 81 proven. 41 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 11:09:01,274 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:09:01,274 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:09:01,274 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-12-09 11:09:01,275 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 11:09:01,277 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:09:01,278 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:09:01,429 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 11:09:01,429 INFO L272 AbstractInterpreter]: Visited 115 different actions 224 times. Merged at 4 different actions 4 times. Never widened. Performed 3015 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3015 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 11:09:01,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:01,431 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 11:09:01,587 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 81.69% of their original sizes. [2018-12-09 11:09:01,587 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 11:09:01,632 INFO L418 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-12-09 11:09:01,632 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 11:09:01,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:09:01,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-12-09 11:09:01,633 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:09:01,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 11:09:01,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 11:09:01,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:09:01,633 INFO L87 Difference]: Start difference. First operand 959 states and 1168 transitions. Second operand 10 states. [2018-12-09 11:09:03,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:09:03,791 INFO L93 Difference]: Finished difference Result 1916 states and 2350 transitions. [2018-12-09 11:09:03,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 11:09:03,791 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2018-12-09 11:09:03,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:09:03,794 INFO L225 Difference]: With dead ends: 1916 [2018-12-09 11:09:03,794 INFO L226 Difference]: Without dead ends: 1098 [2018-12-09 11:09:03,795 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 11:09:03,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2018-12-09 11:09:03,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1096. [2018-12-09 11:09:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2018-12-09 11:09:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1315 transitions. [2018-12-09 11:09:03,818 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1315 transitions. Word has length 176 [2018-12-09 11:09:03,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:09:03,818 INFO L480 AbstractCegarLoop]: Abstraction has 1096 states and 1315 transitions. [2018-12-09 11:09:03,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 11:09:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1315 transitions. [2018-12-09 11:09:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 11:09:03,822 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:09:03,822 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:09:03,822 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:09:03,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:03,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1202908254, now seen corresponding path program 1 times [2018-12-09 11:09:03,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:09:03,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:03,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:09:03,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:03,824 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:09:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:09:03,902 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 11:09:03,902 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:09:03,903 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:09:03,903 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-12-09 11:09:03,903 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 11:09:03,906 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:09:03,906 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:09:04,051 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 11:09:04,051 INFO L272 AbstractInterpreter]: Visited 114 different actions 222 times. Merged at 4 different actions 4 times. Never widened. Performed 3036 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3036 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 11:09:04,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:04,053 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 11:09:04,196 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 81.69% of their original sizes. [2018-12-09 11:09:04,196 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 11:09:04,229 INFO L418 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2018-12-09 11:09:04,229 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 11:09:04,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:09:04,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 11:09:04,229 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:09:04,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 11:09:04,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 11:09:04,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:09:04,230 INFO L87 Difference]: Start difference. First operand 1096 states and 1315 transitions. Second operand 10 states. [2018-12-09 11:09:06,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:09:06,862 INFO L93 Difference]: Finished difference Result 2325 states and 2838 transitions. [2018-12-09 11:09:06,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 11:09:06,862 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2018-12-09 11:09:06,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:09:06,866 INFO L225 Difference]: With dead ends: 2325 [2018-12-09 11:09:06,866 INFO L226 Difference]: Without dead ends: 1507 [2018-12-09 11:09:06,867 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 198 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 11:09:06,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2018-12-09 11:09:06,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1505. [2018-12-09 11:09:06,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1505 states. [2018-12-09 11:09:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1761 transitions. [2018-12-09 11:09:06,898 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1761 transitions. Word has length 190 [2018-12-09 11:09:06,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:09:06,898 INFO L480 AbstractCegarLoop]: Abstraction has 1505 states and 1761 transitions. [2018-12-09 11:09:06,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 11:09:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1761 transitions. [2018-12-09 11:09:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 11:09:06,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:09:06,903 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:09:06,903 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:09:06,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:06,903 INFO L82 PathProgramCache]: Analyzing trace with hash -125648391, now seen corresponding path program 1 times [2018-12-09 11:09:06,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:09:06,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:06,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:09:06,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:06,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:09:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:09:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 11:09:07,009 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:09:07,009 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:09:07,009 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-12-09 11:09:07,009 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 11:09:07,012 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:09:07,012 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:09:07,245 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:09:07,245 INFO L272 AbstractInterpreter]: Visited 116 different actions 463 times. Merged at 8 different actions 32 times. Widened at 1 different actions 1 times. Performed 6658 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6658 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 11:09:07,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:07,249 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:09:07,249 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:09:07,249 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:09:07,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:09:07,255 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:09:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:09:07,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:09:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 11:09:07,454 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:09:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 91 proven. 38 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 11:09:07,554 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:09:07,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 11:09:07,555 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:09:07,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 11:09:07,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 11:09:07,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 11:09:07,556 INFO L87 Difference]: Start difference. First operand 1505 states and 1761 transitions. Second operand 11 states. [2018-12-09 11:09:08,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:09:08,521 INFO L93 Difference]: Finished difference Result 4404 states and 5443 transitions. [2018-12-09 11:09:08,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 11:09:08,521 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 198 [2018-12-09 11:09:08,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:09:08,529 INFO L225 Difference]: With dead ends: 4404 [2018-12-09 11:09:08,529 INFO L226 Difference]: Without dead ends: 3449 [2018-12-09 11:09:08,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 399 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-09 11:09:08,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3449 states. [2018-12-09 11:09:08,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3449 to 3441. [2018-12-09 11:09:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3441 states. [2018-12-09 11:09:08,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 3441 states and 4097 transitions. [2018-12-09 11:09:08,594 INFO L78 Accepts]: Start accepts. Automaton has 3441 states and 4097 transitions. Word has length 198 [2018-12-09 11:09:08,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:09:08,594 INFO L480 AbstractCegarLoop]: Abstraction has 3441 states and 4097 transitions. [2018-12-09 11:09:08,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 11:09:08,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3441 states and 4097 transitions. [2018-12-09 11:09:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-09 11:09:08,599 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:09:08,600 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:09:08,600 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:09:08,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:08,600 INFO L82 PathProgramCache]: Analyzing trace with hash -244561614, now seen corresponding path program 1 times [2018-12-09 11:09:08,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:09:08,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:08,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:09:08,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:08,601 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:09:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:09:08,681 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 110 proven. 70 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 11:09:08,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:09:08,681 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:09:08,681 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-12-09 11:09:08,681 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 11:09:08,683 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:09:08,683 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:09:08,934 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:09:08,934 INFO L272 AbstractInterpreter]: Visited 117 different actions 471 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 6760 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6760 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-09 11:09:08,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:08,935 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:09:08,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:09:08,936 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:09:08,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:09:08,941 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:09:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:09:08,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:09:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 11:09:09,039 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:09:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 115 proven. 20 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 11:09:09,103 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:09:09,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-09 11:09:09,104 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:09:09,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 11:09:09,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 11:09:09,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-09 11:09:09,105 INFO L87 Difference]: Start difference. First operand 3441 states and 4097 transitions. Second operand 12 states. [2018-12-09 11:09:11,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:09:11,506 INFO L93 Difference]: Finished difference Result 12011 states and 15585 transitions. [2018-12-09 11:09:11,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-09 11:09:11,507 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 221 [2018-12-09 11:09:11,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:09:11,527 INFO L225 Difference]: With dead ends: 12011 [2018-12-09 11:09:11,527 INFO L226 Difference]: Without dead ends: 8848 [2018-12-09 11:09:11,533 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 475 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=532, Invalid=2018, Unknown=0, NotChecked=0, Total=2550 [2018-12-09 11:09:11,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8848 states. [2018-12-09 11:09:11,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8848 to 8385. [2018-12-09 11:09:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8385 states. [2018-12-09 11:09:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8385 states to 8385 states and 10478 transitions. [2018-12-09 11:09:11,701 INFO L78 Accepts]: Start accepts. Automaton has 8385 states and 10478 transitions. Word has length 221 [2018-12-09 11:09:11,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:09:11,702 INFO L480 AbstractCegarLoop]: Abstraction has 8385 states and 10478 transitions. [2018-12-09 11:09:11,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 11:09:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand 8385 states and 10478 transitions. [2018-12-09 11:09:11,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 11:09:11,715 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:09:11,715 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-09 11:09:11,715 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:09:11,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:11,715 INFO L82 PathProgramCache]: Analyzing trace with hash 2025089395, now seen corresponding path program 1 times [2018-12-09 11:09:11,715 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:09:11,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:11,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:09:11,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:11,716 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:09:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:09:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 51 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 11:09:11,809 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:09:11,809 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:09:11,809 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-12-09 11:09:11,809 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 11:09:11,811 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:09:11,811 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:09:12,030 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:09:12,030 INFO L272 AbstractInterpreter]: Visited 116 different actions 460 times. Merged at 8 different actions 29 times. Widened at 1 different actions 1 times. Performed 6713 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6713 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-09 11:09:12,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:12,031 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:09:12,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:09:12,032 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:09:12,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:09:12,038 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:09:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:09:12,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:09:12,124 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 156 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 11:09:12,124 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:09:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 11:09:12,219 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:09:12,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-12-09 11:09:12,219 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:09:12,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 11:09:12,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 11:09:12,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-12-09 11:09:12,220 INFO L87 Difference]: Start difference. First operand 8385 states and 10478 transitions. Second operand 11 states. [2018-12-09 11:09:13,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:09:13,636 INFO L93 Difference]: Finished difference Result 18390 states and 24917 transitions. [2018-12-09 11:09:13,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-09 11:09:13,637 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 227 [2018-12-09 11:09:13,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:09:13,673 INFO L225 Difference]: With dead ends: 18390 [2018-12-09 11:09:13,673 INFO L226 Difference]: Without dead ends: 10559 [2018-12-09 11:09:13,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 472 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=316, Invalid=1324, Unknown=0, NotChecked=0, Total=1640 [2018-12-09 11:09:13,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10559 states. [2018-12-09 11:09:13,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10559 to 9492. [2018-12-09 11:09:13,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9492 states. [2018-12-09 11:09:13,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9492 states to 9492 states and 11313 transitions. [2018-12-09 11:09:13,837 INFO L78 Accepts]: Start accepts. Automaton has 9492 states and 11313 transitions. Word has length 227 [2018-12-09 11:09:13,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:09:13,838 INFO L480 AbstractCegarLoop]: Abstraction has 9492 states and 11313 transitions. [2018-12-09 11:09:13,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 11:09:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 9492 states and 11313 transitions. [2018-12-09 11:09:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-12-09 11:09:13,852 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:09:13,852 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:09:13,852 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:09:13,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:13,853 INFO L82 PathProgramCache]: Analyzing trace with hash 32412591, now seen corresponding path program 1 times [2018-12-09 11:09:13,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:09:13,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:13,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:09:13,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:09:13,853 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:09:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:09:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 236 proven. 2 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-09 11:09:13,944 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:09:13,944 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:09:13,944 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 267 with the following transitions: [2018-12-09 11:09:13,944 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [517], [519], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 11:09:13,946 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:09:13,946 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:09:14,175 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:09:14,175 INFO L272 AbstractInterpreter]: Visited 118 different actions 473 times. Merged at 10 different actions 34 times. Widened at 1 different actions 1 times. Performed 7006 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7006 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 5 different actions. Largest state had 42 variables. [2018-12-09 11:09:14,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:09:14,177 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:09:14,177 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:09:14,177 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:09:14,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:09:14,183 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:09:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:09:14,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:09:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 236 proven. 2 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-09 11:09:14,305 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:09:14,375 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 236 proven. 2 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-09 11:09:14,399 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:09:14,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-12-09 11:09:14,400 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:09:14,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 11:09:14,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 11:09:14,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-09 11:09:14,401 INFO L87 Difference]: Start difference. First operand 9492 states and 11313 transitions. Second operand 9 states. [2018-12-09 11:09:15,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:09:15,023 INFO L93 Difference]: Finished difference Result 18053 states and 22001 transitions. [2018-12-09 11:09:15,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 11:09:15,024 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 266 [2018-12-09 11:09:15,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:09:15,024 INFO L225 Difference]: With dead ends: 18053 [2018-12-09 11:09:15,024 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:09:15,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2018-12-09 11:09:15,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:09:15,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:09:15,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:09:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:09:15,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2018-12-09 11:09:15,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:09:15,054 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:09:15,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 11:09:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:09:15,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:09:15,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:09:15,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,725 WARN L180 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 185 [2018-12-09 11:09:15,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:15,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:09:16,100 WARN L180 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 188 [2018-12-09 11:09:17,062 WARN L180 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 101 [2018-12-09 11:09:17,425 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2018-12-09 11:09:17,803 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 67 [2018-12-09 11:09:17,804 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 11:09:17,805 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,806 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 11:09:17,807 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,808 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,809 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 11:09:17,810 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 11:09:17,811 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,812 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 11:09:17,813 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,814 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= 1 |old(~a17~0)|)) (.cse7 (= |old(~a20~0)| ~a20~0)) (.cse6 (= ~a7~0 |old(~a7~0)|)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse26 (= ~a16~0 |old(~a16~0)|)) (.cse9 (<= |old(~a8~0)| ~a8~0)) (.cse27 (= 1 ~a21~0))) (let ((.cse5 (< 0 |old(~a20~0)|)) (.cse3 (and .cse7 .cse6 .cse8 .cse26 .cse9 .cse27)) (.cse15 (< |old(~a8~0)| 15)) (.cse25 (and .cse7 .cse6 .cse8 .cse9 .cse27 (= 5 ~a16~0))) (.cse0 (= 6 |old(~a16~0)|)) (.cse21 (not (= 5 |old(~a16~0)|))) (.cse19 (not (= 0 |old(~a7~0)|))) (.cse18 (= |calculate_output_#in~input| 0)) (.cse22 (= ~a8~0 15)) (.cse20 (not (= 15 |old(~a8~0)|))) (.cse11 (= ~a21~0 |old(~a21~0)|)) (.cse24 (< |old(~a20~0)| 1)) (.cse4 (< 0 |old(~a17~0)|)) (.cse12 (< 0 |old(~a21~0)|)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse16 (not (= 1 |old(~a20~0)|))) (.cse23 (not (= 4 |old(~a16~0)|))) (.cse10 (= |old(~a16~0)| ~a16~0)) (.cse2 (not (= 8 ~a12~0))) (.cse13 (= 1 |old(~a7~0)|)) (.cse17 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse1 .cse13 .cse2 .cse14 .cse3 .cse15) (or .cse1 .cse13 .cse16 .cse3 .cse2 .cse17) (or .cse18 (or .cse19 .cse1 .cse20 (not (= 0 |old(~a20~0)|)) .cse21 .cse2 .cse17) .cse22) (or .cse1 .cse13 .cse3 .cse2 .cse15 .cse5) (or .cse1 .cse13 .cse23 .cse2 .cse24 .cse3) (or .cse1 .cse13 .cse23 .cse2 .cse14 .cse3) (or .cse19 .cse1 .cse2 .cse18 .cse17 .cse22 .cse16 .cse20 .cse21) (or .cse1 .cse13 .cse25 .cse21 .cse2 .cse15) (or .cse1 .cse21 .cse2 .cse4 .cse25) (or (and (or .cse18 (or (not .cse0) .cse19 .cse1 .cse16 .cse20 (not (= 0 |old(~a17~0)|)) .cse2)) (or .cse19 .cse1 .cse20 .cse21 (not (= |old(~a20~0)| 1)) .cse2 .cse4 .cse18)) .cse22) (or .cse19 .cse1 .cse23 .cse2 .cse4 .cse18 .cse22 .cse16 .cse20) (or (and .cse7 .cse11 .cse6 .cse8 .cse26 .cse9) .cse2 .cse24 .cse4 .cse12) (or .cse1 .cse16 .cse23 (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse10 .cse27 (= 1 ~a17~0)) .cse2 (not .cse13) (not (= 13 |old(~a8~0)|)) .cse17)))) [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 11:09:17,815 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,816 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,817 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-09 11:09:17,818 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:09:17,818 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a8~0 15) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-09 11:09:17,818 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 11:09:17,819 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (= ~a16~0 4)) (.cse0 (not (= ~a16~0 6))) (.cse6 (not (= ~a17~0 1))) (.cse3 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse7 (<= 1 ~a20~0)) (.cse4 (not (= ~a7~0 1))) (.cse10 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse8 (= 5 ~a16~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (and .cse4 .cse5 .cse1 .cse6) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse4 .cse5 .cse1 .cse7) (and .cse2 .cse1 .cse8) (and .cse9 .cse0) (and .cse4 (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) .cse1) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0) .cse1 (= 1 ~a17~0)) (and .cse4 .cse10 .cse1 .cse6) (not (= 0 |old(~a7~0)|)) (and .cse4 .cse10 .cse1 .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse9 .cse2 .cse7) (and .cse4 .cse10 .cse1 .cse8))) [2018-12-09 11:09:17,819 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 11:09:17,819 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 11:09:17,819 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse5 (= ~a16~0 4)) (.cse0 (not (= ~a16~0 6))) (.cse6 (not (= ~a17~0 1))) (.cse3 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse7 (<= 1 ~a20~0)) (.cse4 (not (= ~a7~0 1))) (.cse10 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse8 (= 5 ~a16~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (and .cse4 .cse5 .cse1 .cse6) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse4 .cse5 .cse1 .cse7) (and .cse2 .cse1 .cse8) (and .cse9 .cse0) (and .cse4 (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) .cse1) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0) .cse1 (= 1 ~a17~0)) (and .cse4 .cse10 .cse1 .cse6) (not (= 0 |old(~a7~0)|)) (and .cse4 .cse10 .cse1 .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse9 .cse2 .cse7) (and .cse4 .cse10 .cse1 .cse8))) [2018-12-09 11:09:17,819 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 11:09:17,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:09:17 BoogieIcfgContainer [2018-12-09 11:09:17,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:09:17,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:09:17,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:09:17,829 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:09:17,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:08:56" (3/4) ... [2018-12-09 11:09:17,832 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:09:17,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:09:17,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 11:09:17,836 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:09:17,844 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 11:09:17,845 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 11:09:17,863 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0)) || !(8 == a12)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && !(a17 == 1))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && 1 <= a20)) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || (a21 <= 0 && !(a16 == 6))) || (((!(a7 == 1) && \old(a20) == a20) && a17 == \old(a17)) && 1 == a21)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && !(a17 == 1))) || !(0 == \old(a7))) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && a20 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((a21 <= 0 && a17 <= 0) && 1 <= a20)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && 5 == a16) [2018-12-09 11:09:17,918 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3bae2dc9-7f5a-42d7-a039-4fa8c23e63d1/bin-2019/utaipan/witness.graphml [2018-12-09 11:09:17,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:09:17,918 INFO L168 Benchmark]: Toolchain (without parser) took 22604.38 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 951.7 MB in the beginning and 1.8 GB in the end (delta: -838.6 MB). Peak memory consumption was 340.0 MB. Max. memory is 11.5 GB. [2018-12-09 11:09:17,919 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:09:17,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:09:17,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.97 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:09:17,919 INFO L168 Benchmark]: Boogie Preprocessor took 36.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:09:17,920 INFO L168 Benchmark]: RCFGBuilder took 617.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. [2018-12-09 11:09:17,920 INFO L168 Benchmark]: TraceAbstraction took 21544.49 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -811.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 11:09:17,920 INFO L168 Benchmark]: Witness Printer took 89.51 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:09:17,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.97 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.52 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 617.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21544.49 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -811.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 89.51 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 485]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == \old(a21)) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0)) || !(8 == a12)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && !(a17 == 1))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && 1 <= a20)) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || (a21 <= 0 && !(a16 == 6))) || (((!(a7 == 1) && \old(a20) == a20) && a17 == \old(a17)) && 1 == a21)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && !(a17 == 1))) || !(0 == \old(a7))) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && a20 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((a21 <= 0 && a17 <= 0) && 1 <= a20)) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && 5 == a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 21.4s OverallTime, 11 OverallIterations, 7 TraceHistogramMax, 13.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 517 SDtfs, 9205 SDslu, 882 SDs, 0 SdLazy, 12977 SolverSat, 2095 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2591 GetRequests, 2402 SyntacticMatches, 12 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9492occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.9968210352519882 AbsIntWeakeningRatio, 0.24293785310734464 AbsIntAvgWeakeningVarsNumRemoved, 29.263653483992467 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 1555 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 463 PreInvPairs, 831 NumberOfFragments, 1035 HoareAnnotationTreeSize, 463 FomulaSimplifications, 67943 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11589 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2830 NumberOfCodeBlocks, 2830 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3723 ConstructedInterpolants, 0 QuantifiedInterpolants, 1655530 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2620 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 3262/3594 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...