./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/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 ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:57:47,626 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:57:47,627 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:57:47,636 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:57:47,637 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:57:47,638 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:57:47,639 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:57:47,640 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:57:47,641 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:57:47,642 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:57:47,643 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:57:47,643 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:57:47,643 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:57:47,644 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:57:47,645 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:57:47,645 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:57:47,646 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:57:47,647 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:57:47,648 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:57:47,649 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:57:47,650 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:57:47,651 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:57:47,653 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:57:47,653 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:57:47,653 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:57:47,654 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:57:47,654 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:57:47,655 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:57:47,655 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:57:47,656 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:57:47,657 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:57:47,657 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:57:47,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:57:47,658 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:57:47,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:57:47,659 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:57:47,659 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:57:47,667 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:57:47,667 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:57:47,668 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:57:47,668 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:57:47,668 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:57:47,668 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:57:47,669 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:57:47,669 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:57:47,669 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:57:47,669 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:57:47,669 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:57:47,669 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:57:47,669 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:57:47,670 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:57:47,670 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:57:47,670 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:57:47,670 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:57:47,670 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:57:47,671 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:57:47,671 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:57:47,671 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:57:47,671 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:57:47,671 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:57:47,671 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:57:47,671 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:57:47,671 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:57:47,672 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:57:47,672 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:57:47,672 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:57:47,672 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:57:47,672 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:57:47,672 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:57:47,672 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:57:47,672 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:57:47,673 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:57:47,673 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:57:47,673 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:57:47,673 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_621c9460-a9d5-46d7-b34b-b770cae0a92e/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 -> ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 [2018-11-18 17:57:47,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:57:47,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:57:47,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:57:47,739 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:57:47,740 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:57:47,740 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-18 17:57:47,814 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/data/d841a40b5/d2a47b566d2c4b12bd1472c144346322/FLAGe1603710e [2018-11-18 17:57:48,224 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:57:48,224 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-18 17:57:48,236 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/data/d841a40b5/d2a47b566d2c4b12bd1472c144346322/FLAGe1603710e [2018-11-18 17:57:48,247 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/data/d841a40b5/d2a47b566d2c4b12bd1472c144346322 [2018-11-18 17:57:48,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:57:48,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:57:48,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:57:48,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:57:48,256 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:57:48,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abf726c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48, skipping insertion in model container [2018-11-18 17:57:48,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:57:48,315 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:57:48,576 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:57:48,579 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:57:48,658 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:57:48,671 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:57:48,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48 WrapperNode [2018-11-18 17:57:48,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:57:48,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:57:48,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:57:48,673 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:57:48,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:57:48,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:57:48,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:57:48,771 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:57:48,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (1/1) ... [2018-11-18 17:57:48,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:57:48,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:57:48,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:57:48,858 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:57:48,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:57:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:57:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:57:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:57:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:57:48,914 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:57:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:57:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:57:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:57:48,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:57:51,049 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:57:51,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:51 BoogieIcfgContainer [2018-11-18 17:57:51,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:57:51,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:57:51,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:57:51,054 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:57:51,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:57:48" (1/3) ... [2018-11-18 17:57:51,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf0074b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:57:51, skipping insertion in model container [2018-11-18 17:57:51,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:57:48" (2/3) ... [2018-11-18 17:57:51,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf0074b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:57:51, skipping insertion in model container [2018-11-18 17:57:51,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:51" (3/3) ... [2018-11-18 17:57:51,056 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label25_true-unreach-call_false-termination.c [2018-11-18 17:57:51,067 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:57:51,076 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:57:51,091 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:57:51,131 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:57:51,131 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:57:51,131 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:57:51,131 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:57:51,131 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:57:51,132 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:57:51,132 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:57:51,132 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:57:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 17:57:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 17:57:51,176 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:57:51,177 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:57:51,180 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:57:51,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:57:51,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1914702647, now seen corresponding path program 1 times [2018-11-18 17:57:51,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:57:51,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:51,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:57:51,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:51,232 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:57:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:51,699 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 17:57:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:57:51,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:57:51,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:57:51,768 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:57:51,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:57:51,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:57:51,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:57:51,784 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 17:57:52,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:57:52,593 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-18 17:57:52,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:57:52,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2018-11-18 17:57:52,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:57:52,605 INFO L225 Difference]: With dead ends: 618 [2018-11-18 17:57:52,605 INFO L226 Difference]: Without dead ends: 379 [2018-11-18 17:57:52,610 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:57:52,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-18 17:57:52,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-18 17:57:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-18 17:57:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-18 17:57:52,661 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 141 [2018-11-18 17:57:52,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:57:52,662 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-18 17:57:52,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:57:52,662 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-18 17:57:52,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 17:57:52,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:57:52,667 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:57:52,667 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:57:52,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:57:52,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1933191934, now seen corresponding path program 1 times [2018-11-18 17:57:52,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:57:52,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:52,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:57:52,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:52,669 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:57:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:52,892 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:57:52,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:57:52,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:57:52,893 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:57:52,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:57:52,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:57:52,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:57:52,895 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-18 17:57:54,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:57:54,137 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-18 17:57:54,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 17:57:54,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-11-18 17:57:54,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:57:54,144 INFO L225 Difference]: With dead ends: 1229 [2018-11-18 17:57:54,144 INFO L226 Difference]: Without dead ends: 856 [2018-11-18 17:57:54,146 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:57:54,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-18 17:57:54,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-18 17:57:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-18 17:57:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-18 17:57:54,180 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 157 [2018-11-18 17:57:54,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:57:54,181 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-18 17:57:54,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:57:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-18 17:57:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 17:57:54,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:57:54,187 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:57:54,187 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:57:54,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:57:54,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1310013485, now seen corresponding path program 1 times [2018-11-18 17:57:54,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:57:54,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:54,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:57:54,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:54,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:57:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:57:54,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:57:54,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:57:54,337 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:57:54,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:57:54,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:57:54,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:57:54,338 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-11-18 17:57:56,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:57:56,563 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-11-18 17:57:56,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:57:56,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-18 17:57:56,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:57:56,579 INFO L225 Difference]: With dead ends: 2557 [2018-11-18 17:57:56,579 INFO L226 Difference]: Without dead ends: 1740 [2018-11-18 17:57:56,584 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:57:56,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-18 17:57:56,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-11-18 17:57:56,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-11-18 17:57:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-11-18 17:57:56,631 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 164 [2018-11-18 17:57:56,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:57:56,631 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-11-18 17:57:56,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:57:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-11-18 17:57:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 17:57:56,638 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:57:56,638 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:57:56,638 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:57:56,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:57:56,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1460724459, now seen corresponding path program 1 times [2018-11-18 17:57:56,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:57:56,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:56,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:57:56,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:57:56,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:57:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:57:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 17:57:56,787 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:57:56,787 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:57:56,788 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-18 17:57:56,790 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:57:56,823 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:57:56,823 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:57:57,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:57:57,321 INFO L272 AbstractInterpreter]: Visited 142 different actions 142 times. Never merged. Never widened. Performed 1534 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1534 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 17:57:57,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:57:57,366 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:57:57,727 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 81.34% of their original sizes. [2018-11-18 17:57:57,727 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:57:57,833 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-18 17:57:57,834 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:57:57,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:57:57,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 17:57:57,835 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:57:57,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:57:57,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:57:57,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:57:57,835 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 6 states. [2018-11-18 17:58:02,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:58:02,107 INFO L93 Difference]: Finished difference Result 3506 states and 5281 transitions. [2018-11-18 17:58:02,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:58:02,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-11-18 17:58:02,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:58:02,114 INFO L225 Difference]: With dead ends: 3506 [2018-11-18 17:58:02,114 INFO L226 Difference]: Without dead ends: 1830 [2018-11-18 17:58:02,118 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:58:02,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-11-18 17:58:02,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1827. [2018-11-18 17:58:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-18 17:58:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-11-18 17:58:02,160 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 166 [2018-11-18 17:58:02,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:58:02,160 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-11-18 17:58:02,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:58:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-11-18 17:58:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 17:58:02,166 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:58:02,166 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:58:02,167 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:58:02,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:02,167 INFO L82 PathProgramCache]: Analyzing trace with hash -2035656138, now seen corresponding path program 1 times [2018-11-18 17:58:02,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:58:02,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:02,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:02,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:02,168 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:58:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:02,343 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:58:02,343 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:02,343 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:58:02,343 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-11-18 17:58:02,344 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:58:02,348 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:58:02,348 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:58:02,815 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:58:02,815 INFO L272 AbstractInterpreter]: Visited 146 different actions 431 times. Merged at 7 different actions 15 times. Never widened. Performed 4761 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4761 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 17:58:02,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:02,854 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:58:03,092 INFO L227 lantSequenceWeakener]: Weakened 173 states. On average, predicates are now at 84.83% of their original sizes. [2018-11-18 17:58:03,092 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:58:03,322 INFO L415 sIntCurrentIteration]: We unified 175 AI predicates to 175 [2018-11-18 17:58:03,322 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:58:03,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:58:03,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 17:58:03,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:58:03,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:58:03,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:58:03,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:58:03,324 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 9 states. [2018-11-18 17:58:08,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:58:08,162 INFO L93 Difference]: Finished difference Result 4531 states and 6711 transitions. [2018-11-18 17:58:08,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:58:08,163 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2018-11-18 17:58:08,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:58:08,168 INFO L225 Difference]: With dead ends: 4531 [2018-11-18 17:58:08,169 INFO L226 Difference]: Without dead ends: 2710 [2018-11-18 17:58:08,173 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:58:08,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2018-11-18 17:58:08,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2633. [2018-11-18 17:58:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2018-11-18 17:58:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3700 transitions. [2018-11-18 17:58:08,232 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3700 transitions. Word has length 176 [2018-11-18 17:58:08,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:58:08,233 INFO L480 AbstractCegarLoop]: Abstraction has 2633 states and 3700 transitions. [2018-11-18 17:58:08,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:58:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3700 transitions. [2018-11-18 17:58:08,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 17:58:08,242 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:58:08,242 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:58:08,243 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:58:08,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:08,243 INFO L82 PathProgramCache]: Analyzing trace with hash -223071856, now seen corresponding path program 1 times [2018-11-18 17:58:08,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:58:08,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:08,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:08,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:08,244 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:58:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:08,395 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:08,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:08,396 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:58:08,396 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-11-18 17:58:08,396 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:58:08,401 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:58:08,401 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:58:08,667 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:58:08,667 INFO L272 AbstractInterpreter]: Visited 146 different actions 432 times. Merged at 7 different actions 18 times. Never widened. Performed 4850 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4850 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:58:08,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:08,678 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:58:08,678 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:08,678 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:58:08,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:08,698 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:58:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:08,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:58:08,989 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:08,990 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:58:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:09,496 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:58:09,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 17:58:09,496 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:58:09,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:58:09,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:58:09,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:58:09,497 INFO L87 Difference]: Start difference. First operand 2633 states and 3700 transitions. Second operand 9 states. [2018-11-18 17:58:10,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:58:10,261 INFO L93 Difference]: Finished difference Result 6842 states and 10017 transitions. [2018-11-18 17:58:10,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:58:10,262 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 187 [2018-11-18 17:58:10,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:58:10,276 INFO L225 Difference]: With dead ends: 6842 [2018-11-18 17:58:10,276 INFO L226 Difference]: Without dead ends: 4215 [2018-11-18 17:58:10,283 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 370 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 17:58:10,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4215 states. [2018-11-18 17:58:10,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4215 to 4120. [2018-11-18 17:58:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4120 states. [2018-11-18 17:58:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4120 states to 4120 states and 5799 transitions. [2018-11-18 17:58:10,378 INFO L78 Accepts]: Start accepts. Automaton has 4120 states and 5799 transitions. Word has length 187 [2018-11-18 17:58:10,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:58:10,378 INFO L480 AbstractCegarLoop]: Abstraction has 4120 states and 5799 transitions. [2018-11-18 17:58:10,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:58:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 4120 states and 5799 transitions. [2018-11-18 17:58:10,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 17:58:10,387 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:58:10,387 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:58:10,387 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:58:10,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:10,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1020466792, now seen corresponding path program 1 times [2018-11-18 17:58:10,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:58:10,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:10,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:10,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:10,388 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:58:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:10,626 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:10,626 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:58:10,626 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-11-18 17:58:10,627 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:58:10,636 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:58:10,636 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:58:10,909 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:58:10,909 INFO L272 AbstractInterpreter]: Visited 146 different actions 429 times. Merged at 7 different actions 15 times. Never widened. Performed 4925 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4925 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 17:58:10,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:10,954 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:58:10,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:10,954 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-11-18 17:58:10,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:10,964 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:58:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:11,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:58:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:58:11,229 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:58:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:58:11,290 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:58:11,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-11-18 17:58:11,290 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:58:11,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:58:11,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:58:11,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:58:11,291 INFO L87 Difference]: Start difference. First operand 4120 states and 5799 transitions. Second operand 3 states. [2018-11-18 17:58:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:58:11,766 INFO L93 Difference]: Finished difference Result 10098 states and 14613 transitions. [2018-11-18 17:58:11,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:58:11,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2018-11-18 17:58:11,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:58:11,788 INFO L225 Difference]: With dead ends: 10098 [2018-11-18 17:58:11,788 INFO L226 Difference]: Without dead ends: 5984 [2018-11-18 17:58:11,800 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:58:11,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5984 states. [2018-11-18 17:58:11,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5984 to 5953. [2018-11-18 17:58:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5953 states. [2018-11-18 17:58:11,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5953 states to 5953 states and 8005 transitions. [2018-11-18 17:58:11,917 INFO L78 Accepts]: Start accepts. Automaton has 5953 states and 8005 transitions. Word has length 191 [2018-11-18 17:58:11,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:58:11,919 INFO L480 AbstractCegarLoop]: Abstraction has 5953 states and 8005 transitions. [2018-11-18 17:58:11,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:58:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5953 states and 8005 transitions. [2018-11-18 17:58:11,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 17:58:11,930 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:58:11,931 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:58:11,932 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:58:11,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:11,932 INFO L82 PathProgramCache]: Analyzing trace with hash 615764323, now seen corresponding path program 1 times [2018-11-18 17:58:11,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:58:11,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:11,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:11,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:11,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:58:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:58:12,308 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:12,308 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:58:12,309 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 208 with the following transitions: [2018-11-18 17:58:12,309 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:58:12,311 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:58:12,311 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:58:12,508 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:58:12,509 INFO L272 AbstractInterpreter]: Visited 147 different actions 437 times. Merged at 8 different actions 20 times. Never widened. Performed 4994 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4994 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:58:12,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:12,517 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:58:12,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:12,518 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:58:12,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:12,526 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:58:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:12,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:58:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:58:12,650 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:58:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:58:12,739 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:58:12,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 17:58:12,739 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:58:12,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:58:12,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:58:12,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:58:12,740 INFO L87 Difference]: Start difference. First operand 5953 states and 8005 transitions. Second operand 9 states. [2018-11-18 17:58:14,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:58:14,792 INFO L93 Difference]: Finished difference Result 12806 states and 17472 transitions. [2018-11-18 17:58:14,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-11-18 17:58:14,792 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 207 [2018-11-18 17:58:14,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:58:14,804 INFO L225 Difference]: With dead ends: 12806 [2018-11-18 17:58:14,804 INFO L226 Difference]: Without dead ends: 4723 [2018-11-18 17:58:14,825 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2018-11-18 17:58:14,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4723 states. [2018-11-18 17:58:14,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4723 to 4528. [2018-11-18 17:58:14,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4528 states. [2018-11-18 17:58:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4528 states to 4528 states and 5335 transitions. [2018-11-18 17:58:14,910 INFO L78 Accepts]: Start accepts. Automaton has 4528 states and 5335 transitions. Word has length 207 [2018-11-18 17:58:14,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:58:14,911 INFO L480 AbstractCegarLoop]: Abstraction has 4528 states and 5335 transitions. [2018-11-18 17:58:14,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:58:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 4528 states and 5335 transitions. [2018-11-18 17:58:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 17:58:14,919 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:58:14,919 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:58:14,920 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:58:14,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:14,920 INFO L82 PathProgramCache]: Analyzing trace with hash -2104340435, now seen corresponding path program 1 times [2018-11-18 17:58:14,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:58:14,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:14,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:14,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:14,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:58:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 64 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:58:15,178 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:15,178 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:58:15,178 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-18 17:58:15,179 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:58:15,181 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:58:15,181 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:58:15,425 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:58:15,425 INFO L272 AbstractInterpreter]: Visited 146 different actions 430 times. Merged at 7 different actions 14 times. Never widened. Performed 4826 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 17:58:15,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:15,442 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:58:15,667 INFO L227 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 84.66% of their original sizes. [2018-11-18 17:58:15,667 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:58:15,733 INFO L415 sIntCurrentIteration]: We unified 207 AI predicates to 207 [2018-11-18 17:58:15,733 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:58:15,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:58:15,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-11-18 17:58:15,733 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:58:15,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:58:15,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:58:15,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:58:15,734 INFO L87 Difference]: Start difference. First operand 4528 states and 5335 transitions. Second operand 10 states. [2018-11-18 17:58:18,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:58:18,438 INFO L93 Difference]: Finished difference Result 9620 states and 11371 transitions. [2018-11-18 17:58:18,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 17:58:18,438 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2018-11-18 17:58:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:58:18,448 INFO L225 Difference]: With dead ends: 9620 [2018-11-18 17:58:18,449 INFO L226 Difference]: Without dead ends: 5103 [2018-11-18 17:58:18,455 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 17:58:18,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5103 states. [2018-11-18 17:58:18,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5103 to 5022. [2018-11-18 17:58:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5022 states. [2018-11-18 17:58:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5022 states to 5022 states and 5804 transitions. [2018-11-18 17:58:18,508 INFO L78 Accepts]: Start accepts. Automaton has 5022 states and 5804 transitions. Word has length 208 [2018-11-18 17:58:18,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:58:18,508 INFO L480 AbstractCegarLoop]: Abstraction has 5022 states and 5804 transitions. [2018-11-18 17:58:18,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:58:18,508 INFO L276 IsEmpty]: Start isEmpty. Operand 5022 states and 5804 transitions. [2018-11-18 17:58:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 17:58:18,513 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:58:18,513 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:58:18,513 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:58:18,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:18,513 INFO L82 PathProgramCache]: Analyzing trace with hash -2051198752, now seen corresponding path program 1 times [2018-11-18 17:58:18,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:58:18,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:18,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:18,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:18,514 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:58:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 71 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:58:18,609 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:18,609 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:58:18,609 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 214 with the following transitions: [2018-11-18 17:58:18,609 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:58:18,611 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:58:18,612 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:58:18,845 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:58:18,846 INFO L272 AbstractInterpreter]: Visited 147 different actions 588 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6649 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6649 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:58:18,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:18,854 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:58:18,988 INFO L227 lantSequenceWeakener]: Weakened 210 states. On average, predicates are now at 87.26% of their original sizes. [2018-11-18 17:58:18,989 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:58:19,034 INFO L415 sIntCurrentIteration]: We unified 212 AI predicates to 212 [2018-11-18 17:58:19,034 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:58:19,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:58:19,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 17:58:19,035 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:58:19,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:58:19,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:58:19,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:58:19,035 INFO L87 Difference]: Start difference. First operand 5022 states and 5804 transitions. Second operand 9 states. [2018-11-18 17:58:20,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:58:20,685 INFO L93 Difference]: Finished difference Result 9058 states and 10486 transitions. [2018-11-18 17:58:20,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 17:58:20,685 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2018-11-18 17:58:20,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:58:20,694 INFO L225 Difference]: With dead ends: 9058 [2018-11-18 17:58:20,694 INFO L226 Difference]: Without dead ends: 4351 [2018-11-18 17:58:20,698 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 220 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:58:20,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4351 states. [2018-11-18 17:58:20,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4351 to 4249. [2018-11-18 17:58:20,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4249 states. [2018-11-18 17:58:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 4249 states and 4856 transitions. [2018-11-18 17:58:20,763 INFO L78 Accepts]: Start accepts. Automaton has 4249 states and 4856 transitions. Word has length 213 [2018-11-18 17:58:20,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:58:20,764 INFO L480 AbstractCegarLoop]: Abstraction has 4249 states and 4856 transitions. [2018-11-18 17:58:20,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:58:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4249 states and 4856 transitions. [2018-11-18 17:58:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 17:58:20,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:58:20,770 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:58:20,771 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:58:20,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:20,771 INFO L82 PathProgramCache]: Analyzing trace with hash -886973938, now seen corresponding path program 1 times [2018-11-18 17:58:20,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:58:20,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:20,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:20,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:58:20,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:58:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:58:21,029 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:21,029 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:58:21,029 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-18 17:58:21,030 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [799], [801], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:58:21,032 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:58:21,032 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:58:21,316 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:58:21,316 INFO L272 AbstractInterpreter]: Visited 146 different actions 429 times. Merged at 7 different actions 15 times. Never widened. Performed 4922 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4922 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 17:58:21,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:58:21,330 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:58:21,330 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:58:21,330 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:58:21,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:58:21,336 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:58:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:58:21,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:58:21,443 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:58:21,443 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:58:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:58:21,588 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:58:21,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-11-18 17:58:21,588 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:58:21,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:58:21,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:58:21,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:58:21,589 INFO L87 Difference]: Start difference. First operand 4249 states and 4856 transitions. Second operand 3 states. [2018-11-18 17:58:21,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:58:21,871 INFO L93 Difference]: Finished difference Result 9296 states and 10840 transitions. [2018-11-18 17:58:21,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:58:21,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2018-11-18 17:58:21,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:58:21,871 INFO L225 Difference]: With dead ends: 9296 [2018-11-18 17:58:21,871 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:58:21,880 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 447 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:58:21,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:58:21,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:58:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:58:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:58:21,880 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2018-11-18 17:58:21,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:58:21,881 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:58:21,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:58:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:58:21,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:58:21,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:58:21,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:21,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:21,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:21,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:21,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:58:22,588 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 55 [2018-11-18 17:58:22,749 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 54 [2018-11-18 17:58:23,019 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2018-11-18 17:58:23,021 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:58:23,021 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 17:58:23,021 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 17:58:23,022 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 17:58:23,023 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 574) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,024 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,025 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,026 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 17:58:23,027 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:58:23,028 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,029 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,030 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 17:58:23,031 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse15 (= |old(~a19~0)| ~a19~0)) (.cse13 (= 1 |old(~a25~0)|)) (.cse16 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= |old(~a28~0)| ~a28~0)) (.cse18 (= ~a17~0 8)) (.cse17 (= ~a25~0 |old(~a25~0)|))) (let ((.cse6 (not (= 1 |old(~a19~0)|))) (.cse10 (and .cse16 .cse14 .cse18 (= ~a19~0 1) .cse17)) (.cse2 (= |old(~a11~0)| |old(~a19~0)|)) (.cse11 (< 10 |old(~a28~0)|)) (.cse5 (not .cse13)) (.cse4 (not (= 1 ~a21~0))) (.cse1 (< 9 |old(~a28~0)|)) (.cse7 (= 0 |old(~a28~0)|)) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse12 (and .cse16 .cse14 .cse15 .cse18 .cse17)) (.cse0 (and (<= ~a17~0 |old(~a17~0)|) .cse14 .cse15 .cse16 .cse17)) (.cse3 (< 7 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse2 .cse8 .cse9 .cse10) (or .cse11 .cse4 .cse6 .cse7 .cse10 .cse2 .cse8 .cse9) (or (< 7 |old(~a28~0)|) .cse0 .cse3) (or .cse11 .cse4 .cse5 .cse7 .cse12 .cse8 .cse9) (or .cse4 .cse1 .cse7 .cse8 .cse9 .cse12) (or .cse0 .cse3 .cse13)))) [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 17:58:23,032 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,033 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:58:23,034 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 17:58:23,035 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:58:23,036 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 17:58:23,037 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:58:23,037 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:58:23,037 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 17:58:23,037 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 17:58:23,037 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= ~a28~0 7)) (.cse0 (<= ~a17~0 7)) (.cse7 (<= ~a28~0 9)) (.cse3 (= 1 ~a25~0)) (.cse6 (not (= main_~input~0 0))) (.cse2 (not (= ~a28~0 0))) (.cse8 (<= ~a28~0 10)) (.cse5 (= ~a19~0 1)) (.cse4 (= ~a17~0 8)) (.cse9 (not (= ~a19~0 ~a11~0)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse4 .cse7) (not (= 0 |old(~a25~0)|)) (and .cse6 .cse2 .cse3 .cse8 .cse4) (and .cse0 (not (= ~a25~0 1)) .cse8) (and (= ~a11~0 0) .cse5 (= ~a28~0 7) (and (<= ~a17~0 |old(~a17~0)|) (= ~a25~0 |old(~a25~0)|))) (and (and .cse0 .cse9) .cse7) (and .cse6 .cse2 .cse3 .cse4 .cse5 .cse9) (and .cse6 .cse2 .cse8 .cse5 .cse4 .cse9) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-11-18 17:58:23,037 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:58:23,037 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:58:23,037 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse4 (<= ~a28~0 9)) (.cse5 (= 1 ~a25~0)) (.cse1 (not (= main_~input~0 0))) (.cse2 (not (= ~a28~0 0))) (.cse6 (<= ~a28~0 10)) (.cse8 (= ~a19~0 1)) (.cse3 (= ~a17~0 8)) (.cse7 (not (= ~a19~0 ~a11~0)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (<= ~a28~0 7)) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse2 .cse5 .cse6 .cse3) (and .cse0 (not (= ~a25~0 1)) .cse6) (and (and .cse0 .cse7) .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse8 .cse7) (not (= 1 |old(~a19~0)|)) (and .cse1 .cse2 .cse6 .cse8 .cse3 .cse7) (not (= 8 |old(~a17~0)|)))) [2018-11-18 17:58:23,037 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 17:58:23,037 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 17:58:23,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:58:23 BoogieIcfgContainer [2018-11-18 17:58:23,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:58:23,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:58:23,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:58:23,051 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:58:23,051 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:57:51" (3/4) ... [2018-11-18 17:58:23,062 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:58:23,067 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:58:23,067 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:58:23,067 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:58:23,082 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:58:23,082 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:58:23,102 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(1 == a21) || !(7 == \old(a28))) || (a17 <= 7 && a28 <= 7)) || !(0 == \old(a11))) || ((((a28 <= 7 && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1)) || (((!(input == 0) && !(a28 == 0)) && a17 == 8) && a28 <= 9)) || !(0 == \old(a25))) || ((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a28 <= 10) && a17 == 8)) || ((a17 <= 7 && !(a25 == 1)) && a28 <= 10)) || (((a11 == 0 && a19 == 1) && a28 == 7) && a17 <= \old(a17) && a25 == \old(a25))) || ((a17 <= 7 && !(a19 == a11)) && a28 <= 9)) || (((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1) && !(a19 == a11))) || (((((!(input == 0) && !(a28 == 0)) && a28 <= 10) && a19 == 1) && a17 == 8) && !(a19 == a11))) || !(1 == \old(a19))) || !(8 == \old(a17)) [2018-11-18 17:58:23,161 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_621c9460-a9d5-46d7-b34b-b770cae0a92e/bin-2019/utaipan/witness.graphml [2018-11-18 17:58:23,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:58:23,162 INFO L168 Benchmark]: Toolchain (without parser) took 34911.19 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 958.0 MB in the beginning and 1.6 GB in the end (delta: -597.0 MB). Peak memory consumption was 628.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:23,162 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:58:23,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.03 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 920.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:23,162 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -228.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:23,163 INFO L168 Benchmark]: Boogie Preprocessor took 86.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:23,163 INFO L168 Benchmark]: RCFGBuilder took 2192.08 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: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:23,163 INFO L168 Benchmark]: TraceAbstraction took 31999.44 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -536.8 MB). Peak memory consumption was 534.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:23,163 INFO L168 Benchmark]: Witness Printer took 110.40 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:58:23,165 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 420.03 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 920.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -228.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2192.08 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: 99.0 MB). Peak memory consumption was 99.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31999.44 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -536.8 MB). Peak memory consumption was 534.8 MB. Max. memory is 11.5 GB. * Witness Printer took 110.40 ms. Allocated memory is still 2.3 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 574]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == a21) || !(7 == \old(a28))) || (a17 <= 7 && a28 <= 7)) || !(0 == \old(a11))) || ((((a28 <= 7 && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1)) || (((!(input == 0) && !(a28 == 0)) && a17 == 8) && a28 <= 9)) || !(0 == \old(a25))) || ((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a28 <= 10) && a17 == 8)) || ((a17 <= 7 && !(a25 == 1)) && a28 <= 10)) || (((a11 == 0 && a19 == 1) && a28 == 7) && a17 <= \old(a17) && a25 == \old(a25))) || ((a17 <= 7 && !(a19 == a11)) && a28 <= 9)) || (((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1) && !(a19 == a11))) || (((((!(input == 0) && !(a28 == 0)) && a28 <= 10) && a19 == 1) && a17 == 8) && !(a19 == a11))) || !(1 == \old(a19))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 31.9s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 21.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1612 SDtfs, 7006 SDslu, 2441 SDs, 0 SdLazy, 11854 SolverSat, 2250 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2510 GetRequests, 2369 SyntacticMatches, 9 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5953occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 8 AbstIntIterations, 4 AbstIntStrong, 0.9966970928107822 AbsIntWeakeningRatio, 0.20553359683794467 AbsIntAvgWeakeningVarsNumRemoved, 24.99736495388669 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 675 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 226 PreInvPairs, 332 NumberOfFragments, 611 HoareAnnotationTreeSize, 226 FomulaSimplifications, 13542 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5450 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2843 NumberOfCodeBlocks, 2843 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3633 ConstructedInterpolants, 0 QuantifiedInterpolants, 1617187 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1874 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 19 InterpolantComputations, 7 PerfectInterpolantSequences, 1114/1228 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...