./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label32_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label32_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/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 70570f9230a936eeca9efadc2f62d40ff3c801f1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:17:45,676 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:17:45,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:17:45,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:17:45,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:17:45,684 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:17:45,685 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:17:45,686 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:17:45,687 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:17:45,688 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:17:45,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:17:45,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:17:45,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:17:45,690 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:17:45,691 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:17:45,692 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:17:45,692 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:17:45,694 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:17:45,695 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:17:45,697 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:17:45,698 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:17:45,698 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:17:45,700 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:17:45,700 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:17:45,700 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:17:45,701 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:17:45,702 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:17:45,703 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:17:45,703 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:17:45,704 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:17:45,704 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:17:45,705 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:17:45,705 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:17:45,706 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:17:45,706 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:17:45,707 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:17:45,707 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:17:45,718 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:17:45,718 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:17:45,719 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:17:45,719 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:17:45,719 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:17:45,719 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:17:45,719 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:17:45,719 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:17:45,719 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:17:45,720 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:17:45,720 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:17:45,720 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:17:45,720 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:17:45,721 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:17:45,722 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:17:45,722 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:17:45,722 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:17:45,722 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:17:45,722 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:17:45,723 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:17:45,723 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:17:45,723 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:17:45,723 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:17:45,724 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:17:45,724 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:17:45,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:17:45,724 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:17:45,724 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:17:45,724 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:17:45,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:17:45,725 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:17:45,725 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:17:45,725 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:17:45,725 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:17:45,725 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:17:45,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:17:45,725 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:17:45,725 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_1dd9685e-5b2d-4568-81b5-e046733d3061/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 -> 70570f9230a936eeca9efadc2f62d40ff3c801f1 [2018-11-18 10:17:45,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:17:45,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:17:45,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:17:45,759 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:17:45,760 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:17:45,760 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-11-18 10:17:45,795 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/data/e461aba27/332bb234f4a54fe6a3e8e1c3b8c49ac4/FLAGd29c33758 [2018-11-18 10:17:46,258 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:17:46,259 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/sv-benchmarks/c/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-11-18 10:17:46,270 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/data/e461aba27/332bb234f4a54fe6a3e8e1c3b8c49ac4/FLAGd29c33758 [2018-11-18 10:17:46,776 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/data/e461aba27/332bb234f4a54fe6a3e8e1c3b8c49ac4 [2018-11-18 10:17:46,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:17:46,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:17:46,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:17:46,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:17:46,781 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:17:46,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:17:46" (1/1) ... [2018-11-18 10:17:46,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88e9939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:46, skipping insertion in model container [2018-11-18 10:17:46,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:17:46" (1/1) ... [2018-11-18 10:17:46,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:17:46,833 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:17:47,155 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:17:47,159 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:17:47,257 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:17:47,266 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:17:47,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47 WrapperNode [2018-11-18 10:17:47,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:17:47,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:17:47,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:17:47,267 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:17:47,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (1/1) ... [2018-11-18 10:17:47,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (1/1) ... [2018-11-18 10:17:47,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:17:47,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:17:47,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:17:47,367 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:17:47,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (1/1) ... [2018-11-18 10:17:47,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (1/1) ... [2018-11-18 10:17:47,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (1/1) ... [2018-11-18 10:17:47,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (1/1) ... [2018-11-18 10:17:47,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (1/1) ... [2018-11-18 10:17:47,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (1/1) ... [2018-11-18 10:17:47,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (1/1) ... [2018-11-18 10:17:47,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:17:47,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:17:47,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:17:47,425 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:17:47,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/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 10:17:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:17:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:17:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:17:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 10:17:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 10:17:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:17:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:17:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:17:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:17:48,607 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:17:48,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:17:48 BoogieIcfgContainer [2018-11-18 10:17:48,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:17:48,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:17:48,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:17:48,610 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:17:48,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:17:46" (1/3) ... [2018-11-18 10:17:48,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a48c2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:17:48, skipping insertion in model container [2018-11-18 10:17:48,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:47" (2/3) ... [2018-11-18 10:17:48,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a48c2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:17:48, skipping insertion in model container [2018-11-18 10:17:48,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:17:48" (3/3) ... [2018-11-18 10:17:48,613 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label32_true-unreach-call.c [2018-11-18 10:17:48,619 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:17:48,625 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:17:48,635 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:17:48,660 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:17:48,660 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:17:48,660 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:17:48,660 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:17:48,660 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:17:48,661 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:17:48,661 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:17:48,661 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:17:48,681 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-11-18 10:17:48,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 10:17:48,687 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:17:48,688 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] [2018-11-18 10:17:48,689 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:17:48,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:17:48,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1081840209, now seen corresponding path program 1 times [2018-11-18 10:17:48,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:17:48,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:17:48,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:17:48,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:17:48,725 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:17:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:48,908 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 10:17:48,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:17:48,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:17:48,910 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:17:48,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:17:48,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:17:48,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:17:48,924 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 4 states. [2018-11-18 10:17:50,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:17:50,150 INFO L93 Difference]: Finished difference Result 982 states and 1758 transitions. [2018-11-18 10:17:50,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:17:50,151 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-11-18 10:17:50,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:17:50,165 INFO L225 Difference]: With dead ends: 982 [2018-11-18 10:17:50,165 INFO L226 Difference]: Without dead ends: 683 [2018-11-18 10:17:50,171 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:17:50,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-11-18 10:17:50,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2018-11-18 10:17:50,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 683 states. [2018-11-18 10:17:50,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1005 transitions. [2018-11-18 10:17:50,230 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 1005 transitions. Word has length 47 [2018-11-18 10:17:50,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:17:50,230 INFO L480 AbstractCegarLoop]: Abstraction has 683 states and 1005 transitions. [2018-11-18 10:17:50,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:17:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1005 transitions. [2018-11-18 10:17:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 10:17:50,235 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:17:50,235 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:50,235 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:17:50,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:17:50,235 INFO L82 PathProgramCache]: Analyzing trace with hash -498802676, now seen corresponding path program 1 times [2018-11-18 10:17:50,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:17:50,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:17:50,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:17:50,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:17:50,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:17:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:50,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:17:50,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:17:50,354 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:17:50,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:17:50,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:17:50,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:17:50,356 INFO L87 Difference]: Start difference. First operand 683 states and 1005 transitions. Second operand 4 states. [2018-11-18 10:17:51,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:17:51,372 INFO L93 Difference]: Finished difference Result 2515 states and 3862 transitions. [2018-11-18 10:17:51,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:17:51,377 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2018-11-18 10:17:51,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:17:51,384 INFO L225 Difference]: With dead ends: 2515 [2018-11-18 10:17:51,384 INFO L226 Difference]: Without dead ends: 1838 [2018-11-18 10:17:51,387 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:17:51,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2018-11-18 10:17:51,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1820. [2018-11-18 10:17:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1820 states. [2018-11-18 10:17:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1820 states and 2601 transitions. [2018-11-18 10:17:51,430 INFO L78 Accepts]: Start accepts. Automaton has 1820 states and 2601 transitions. Word has length 121 [2018-11-18 10:17:51,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:17:51,431 INFO L480 AbstractCegarLoop]: Abstraction has 1820 states and 2601 transitions. [2018-11-18 10:17:51,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:17:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2601 transitions. [2018-11-18 10:17:51,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 10:17:51,435 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:17:51,437 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:51,437 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:17:51,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:17:51,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1179143583, now seen corresponding path program 1 times [2018-11-18 10:17:51,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:17:51,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:17:51,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:17:51,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:17:51,439 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:17:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:51,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:17:51,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:17:51,540 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:17:51,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:17:51,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:17:51,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:17:51,541 INFO L87 Difference]: Start difference. First operand 1820 states and 2601 transitions. Second operand 5 states. [2018-11-18 10:17:53,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:17:53,182 INFO L93 Difference]: Finished difference Result 6437 states and 9598 transitions. [2018-11-18 10:17:53,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:17:53,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-18 10:17:53,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:17:53,200 INFO L225 Difference]: With dead ends: 6437 [2018-11-18 10:17:53,200 INFO L226 Difference]: Without dead ends: 4623 [2018-11-18 10:17:53,210 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:17:53,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2018-11-18 10:17:53,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 4403. [2018-11-18 10:17:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4403 states. [2018-11-18 10:17:53,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 4403 states and 5852 transitions. [2018-11-18 10:17:53,305 INFO L78 Accepts]: Start accepts. Automaton has 4403 states and 5852 transitions. Word has length 134 [2018-11-18 10:17:53,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:17:53,306 INFO L480 AbstractCegarLoop]: Abstraction has 4403 states and 5852 transitions. [2018-11-18 10:17:53,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:17:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 4403 states and 5852 transitions. [2018-11-18 10:17:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 10:17:53,311 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:17:53,311 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:17:53,311 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:17:53,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:17:53,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1374787125, now seen corresponding path program 1 times [2018-11-18 10:17:53,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:17:53,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:17:53,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:17:53,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:17:53,313 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:17:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:53,501 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:53,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:17:53,501 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:17:53,502 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 180 with the following transitions: [2018-11-18 10:17:53,503 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:17:53,535 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:17:53,535 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:17:54,151 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:17:54,151 INFO L272 AbstractInterpreter]: Visited 140 different actions 406 times. Merged at 5 different actions 9 times. Never widened. Performed 5621 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5621 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-11-18 10:17:54,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:17:54,166 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:17:54,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:17:54,166 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/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 10:17:54,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:17:54,187 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:17:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:54,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:17:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:54,294 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:17:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:54,374 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:17:54,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 10:17:54,375 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:17:54,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:17:54,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:17:54,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:17:54,376 INFO L87 Difference]: Start difference. First operand 4403 states and 5852 transitions. Second operand 3 states. [2018-11-18 10:17:55,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:17:55,140 INFO L93 Difference]: Finished difference Result 9982 states and 13708 transitions. [2018-11-18 10:17:55,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:17:55,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2018-11-18 10:17:55,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:17:55,158 INFO L225 Difference]: With dead ends: 9982 [2018-11-18 10:17:55,158 INFO L226 Difference]: Without dead ends: 5585 [2018-11-18 10:17:55,170 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:17:55,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5585 states. [2018-11-18 10:17:55,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5585 to 5576. [2018-11-18 10:17:55,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5576 states. [2018-11-18 10:17:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5576 states to 5576 states and 7430 transitions. [2018-11-18 10:17:55,255 INFO L78 Accepts]: Start accepts. Automaton has 5576 states and 7430 transitions. Word has length 179 [2018-11-18 10:17:55,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:17:55,256 INFO L480 AbstractCegarLoop]: Abstraction has 5576 states and 7430 transitions. [2018-11-18 10:17:55,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:17:55,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5576 states and 7430 transitions. [2018-11-18 10:17:55,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 10:17:55,261 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:17:55,261 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:17:55,261 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:17:55,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:17:55,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1915795574, now seen corresponding path program 1 times [2018-11-18 10:17:55,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:17:55,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:17:55,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:17:55,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:17:55,262 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:17:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:55,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:17:55,378 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:17:55,378 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-11-18 10:17:55,379 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:17:55,382 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:17:55,382 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:17:55,439 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:17:55,439 INFO L272 AbstractInterpreter]: Visited 89 different actions 89 times. Never merged. Never widened. Performed 970 root evaluator evaluations with a maximum evaluation depth of 3. Performed 970 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 28 variables. [2018-11-18 10:17:55,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:17:55,445 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:17:55,666 INFO L227 lantSequenceWeakener]: Weakened 197 states. On average, predicates are now at 73.54% of their original sizes. [2018-11-18 10:17:55,666 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:17:55,697 INFO L415 sIntCurrentIteration]: We unified 205 AI predicates to 205 [2018-11-18 10:17:55,697 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:17:55,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:17:55,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 10:17:55,698 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:17:55,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:17:55,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:17:55,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:17:55,699 INFO L87 Difference]: Start difference. First operand 5576 states and 7430 transitions. Second operand 6 states. [2018-11-18 10:18:15,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:18:15,040 INFO L93 Difference]: Finished difference Result 11338 states and 15079 transitions. [2018-11-18 10:18:15,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:18:15,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 206 [2018-11-18 10:18:15,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:18:15,056 INFO L225 Difference]: With dead ends: 11338 [2018-11-18 10:18:15,056 INFO L226 Difference]: Without dead ends: 5768 [2018-11-18 10:18:15,067 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 206 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:18:15,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5768 states. [2018-11-18 10:18:15,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5768 to 5766. [2018-11-18 10:18:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5766 states. [2018-11-18 10:18:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5766 states to 5766 states and 7631 transitions. [2018-11-18 10:18:15,178 INFO L78 Accepts]: Start accepts. Automaton has 5766 states and 7631 transitions. Word has length 206 [2018-11-18 10:18:15,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:18:15,179 INFO L480 AbstractCegarLoop]: Abstraction has 5766 states and 7631 transitions. [2018-11-18 10:18:15,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:18:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 5766 states and 7631 transitions. [2018-11-18 10:18:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 10:18:15,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:18:15,186 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:18:15,187 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:18:15,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:18:15,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1559831110, now seen corresponding path program 1 times [2018-11-18 10:18:15,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:18:15,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:18:15,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:18:15,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:18:15,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:18:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:15,814 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 144 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:18:15,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:18:15,815 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:18:15,815 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-11-18 10:18:15,815 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [641], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:18:15,819 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:18:15,819 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:18:16,013 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:18:16,013 INFO L272 AbstractInterpreter]: Visited 141 different actions 421 times. Merged at 7 different actions 21 times. Never widened. Performed 5790 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5790 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 10:18:16,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:18:16,017 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:18:16,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:18:16,018 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:18:16,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:18:16,026 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:18:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:16,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:18:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 10:18:16,251 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:18:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 85 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:18:16,436 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:18:16,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7, 8] total 26 [2018-11-18 10:18:16,436 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:18:16,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-18 10:18:16,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-18 10:18:16,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2018-11-18 10:18:16,437 INFO L87 Difference]: Start difference. First operand 5766 states and 7631 transitions. Second operand 21 states. [2018-11-18 10:18:32,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:18:32,700 INFO L93 Difference]: Finished difference Result 27684 states and 45811 transitions. [2018-11-18 10:18:32,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-11-18 10:18:32,700 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 284 [2018-11-18 10:18:32,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:18:32,785 INFO L225 Difference]: With dead ends: 27684 [2018-11-18 10:18:32,785 INFO L226 Difference]: Without dead ends: 20670 [2018-11-18 10:18:32,844 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 585 SyntacticMatches, 3 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9355 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=3623, Invalid=20869, Unknown=0, NotChecked=0, Total=24492 [2018-11-18 10:18:32,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20670 states. [2018-11-18 10:18:33,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20670 to 18878. [2018-11-18 10:18:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18878 states. [2018-11-18 10:18:33,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18878 states to 18878 states and 24718 transitions. [2018-11-18 10:18:33,325 INFO L78 Accepts]: Start accepts. Automaton has 18878 states and 24718 transitions. Word has length 284 [2018-11-18 10:18:33,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:18:33,325 INFO L480 AbstractCegarLoop]: Abstraction has 18878 states and 24718 transitions. [2018-11-18 10:18:33,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-18 10:18:33,325 INFO L276 IsEmpty]: Start isEmpty. Operand 18878 states and 24718 transitions. [2018-11-18 10:18:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 10:18:33,343 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:18:33,344 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:18:33,344 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:18:33,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:18:33,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1259223746, now seen corresponding path program 1 times [2018-11-18 10:18:33,344 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:18:33,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:18:33,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:18:33,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:18:33,345 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:18:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 280 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 10:18:33,556 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:18:33,557 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:18:33,557 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 324 with the following transitions: [2018-11-18 10:18:33,557 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [550], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:18:33,560 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:18:33,560 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:18:33,910 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:18:33,910 INFO L272 AbstractInterpreter]: Visited 127 different actions 372 times. Merged at 7 different actions 15 times. Never widened. Performed 4894 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4894 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 10:18:33,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:18:33,913 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:18:33,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:18:33,913 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/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 10:18:33,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:18:33,921 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:18:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:33,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:18:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-11-18 10:18:34,021 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:18:34,066 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-11-18 10:18:34,082 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:18:34,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 10:18:34,082 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:18:34,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:18:34,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:18:34,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:18:34,083 INFO L87 Difference]: Start difference. First operand 18878 states and 24718 transitions. Second operand 3 states. [2018-11-18 10:18:34,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:18:34,705 INFO L93 Difference]: Finished difference Result 37503 states and 50545 transitions. [2018-11-18 10:18:34,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:18:34,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2018-11-18 10:18:34,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:18:34,749 INFO L225 Difference]: With dead ends: 37503 [2018-11-18 10:18:34,749 INFO L226 Difference]: Without dead ends: 20434 [2018-11-18 10:18:34,792 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 645 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:18:34,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20434 states. [2018-11-18 10:18:35,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20434 to 20144. [2018-11-18 10:18:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20144 states. [2018-11-18 10:18:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20144 states to 20144 states and 26113 transitions. [2018-11-18 10:18:35,143 INFO L78 Accepts]: Start accepts. Automaton has 20144 states and 26113 transitions. Word has length 323 [2018-11-18 10:18:35,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:18:35,143 INFO L480 AbstractCegarLoop]: Abstraction has 20144 states and 26113 transitions. [2018-11-18 10:18:35,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:18:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 20144 states and 26113 transitions. [2018-11-18 10:18:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-18 10:18:35,179 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:18:35,179 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:18:35,179 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:18:35,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:18:35,180 INFO L82 PathProgramCache]: Analyzing trace with hash 773020956, now seen corresponding path program 1 times [2018-11-18 10:18:35,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:18:35,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:18:35,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:18:35,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:18:35,181 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:18:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 313 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 10:18:35,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:18:35,437 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:18:35,437 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 364 with the following transitions: [2018-11-18 10:18:35,437 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [738], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:18:35,440 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:18:35,440 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:18:35,890 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:18:35,891 INFO L272 AbstractInterpreter]: Visited 134 different actions 399 times. Merged at 7 different actions 21 times. Never widened. Performed 5342 root evaluator evaluations with a maximum evaluation depth of 16. Performed 5342 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 10:18:35,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:18:35,893 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:18:35,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:18:35,893 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/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 10:18:35,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:18:35,902 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:18:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:35,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:18:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 313 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 10:18:36,045 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:18:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 313 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 10:18:36,221 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:18:36,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-18 10:18:36,221 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:18:36,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:18:36,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:18:36,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:18:36,222 INFO L87 Difference]: Start difference. First operand 20144 states and 26113 transitions. Second operand 7 states. [2018-11-18 10:18:37,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:18:37,017 INFO L93 Difference]: Finished difference Result 37811 states and 50182 transitions. [2018-11-18 10:18:37,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:18:37,017 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 363 [2018-11-18 10:18:37,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:18:37,056 INFO L225 Difference]: With dead ends: 37811 [2018-11-18 10:18:37,057 INFO L226 Difference]: Without dead ends: 18372 [2018-11-18 10:18:37,083 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 726 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:18:37,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18372 states. [2018-11-18 10:18:37,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18372 to 18203. [2018-11-18 10:18:37,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18203 states. [2018-11-18 10:18:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18203 states to 18203 states and 22975 transitions. [2018-11-18 10:18:37,389 INFO L78 Accepts]: Start accepts. Automaton has 18203 states and 22975 transitions. Word has length 363 [2018-11-18 10:18:37,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:18:37,389 INFO L480 AbstractCegarLoop]: Abstraction has 18203 states and 22975 transitions. [2018-11-18 10:18:37,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:18:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 18203 states and 22975 transitions. [2018-11-18 10:18:37,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-11-18 10:18:37,432 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:18:37,432 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:18:37,432 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:18:37,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:18:37,432 INFO L82 PathProgramCache]: Analyzing trace with hash 128458278, now seen corresponding path program 1 times [2018-11-18 10:18:37,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:18:37,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:18:37,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:18:37,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:18:37,433 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:18:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 359 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 10:18:37,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:18:37,853 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:18:37,853 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 436 with the following transitions: [2018-11-18 10:18:37,854 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [277], [279], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [854], [857], [861], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-11-18 10:18:37,856 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:18:37,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:18:38,782 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:18:38,782 INFO L272 AbstractInterpreter]: Visited 159 different actions 622 times. Merged at 7 different actions 22 times. Never widened. Performed 8923 root evaluator evaluations with a maximum evaluation depth of 22. Performed 8923 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-11-18 10:18:38,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:18:38,785 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:18:38,785 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:18:38,785 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:18:38,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:18:38,791 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:18:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:38,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:18:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-11-18 10:18:38,909 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:18:38,973 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-11-18 10:18:38,989 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:18:38,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-11-18 10:18:38,989 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:18:38,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:18:38,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:18:38,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:18:38,990 INFO L87 Difference]: Start difference. First operand 18203 states and 22975 transitions. Second operand 3 states. [2018-11-18 10:18:39,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:18:39,595 INFO L93 Difference]: Finished difference Result 37917 states and 49380 transitions. [2018-11-18 10:18:39,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:18:39,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 435 [2018-11-18 10:18:39,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:18:39,596 INFO L225 Difference]: With dead ends: 37917 [2018-11-18 10:18:39,596 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:18:39,636 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 875 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:18:39,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:18:39,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:18:39,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:18:39,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:18:39,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 435 [2018-11-18 10:18:39,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:18:39,637 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:18:39,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:18:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:18:39,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:18:39,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:18:39,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:39,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:39,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:39,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:39,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:39,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:39,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:39,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,159 WARN L180 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 161 [2018-11-18 10:18:40,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:18:40,525 WARN L180 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 159 [2018-11-18 10:18:41,266 WARN L180 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 58 [2018-11-18 10:18:41,562 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 49 [2018-11-18 10:18:41,844 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 49 [2018-11-18 10:18:41,845 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= |old(~a25~0)| ~a25~0) (= ~a4~0 |old(~a4~0)|)) [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,846 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,847 INFO L425 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,848 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 126) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,849 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-11-18 10:18:41,850 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse3 (<= ~a23~0 |old(~a23~0)|)) (.cse4 (= ~a29~0 |old(~a29~0)|)) (.cse5 (= |old(~a25~0)| ~a25~0)) (.cse10 (= ~a4~0 |old(~a4~0)|))) (let ((.cse8 (= 12 |old(~a25~0)|)) (.cse7 (< 0 |old(~a4~0)|)) (.cse6 (and .cse3 .cse4 .cse5 .cse10)) (.cse0 (not (= 15 ~a8~0))) (.cse1 (not (= 1 ~a3~0))) (.cse2 (not (= 1 |old(~a4~0)|))) (.cse9 (< 130 |old(~a29~0)|))) (and (or .cse0 .cse1 (< 0 (+ |old(~a23~0)| 43)) .cse2 (and .cse3 .cse4 (= ~a4~0 1) .cse5)) (or (< 312 |old(~a23~0)|) .cse0 .cse1 .cse6 .cse7) (or .cse0 .cse1 .cse6 .cse8 .cse2) (or .cse0 .cse1 (< |old(~a23~0)| 312) (<= 312 ~a23~0) .cse2) (or .cse6 .cse0 .cse1 .cse7 (not .cse8)) (or .cse0 .cse1 .cse6 .cse7 .cse9) (or (and .cse3 .cse4 .cse5 .cse10 (< 138 ~a23~0)) .cse0 .cse1 (<= |old(~a23~0)| 138) .cse2) (or .cse6 .cse0 .cse1 .cse2 .cse9)))) [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,851 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,852 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-11-18 10:18:41,853 INFO L425 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-11-18 10:18:41,854 INFO L425 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,855 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-11-18 10:18:41,856 INFO L425 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-18 10:18:41,857 INFO L425 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,858 INFO L425 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (= ~a29~0 130) (= 1 ~a4~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-11-18 10:18:41,859 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:18:41,859 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (= ~a29~0 |old(~a29~0)|) (= ~a25~0 10) (= ~a23~0 312) (= ~a4~0 |old(~a4~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-11-18 10:18:41,859 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 10:18:41,860 INFO L421 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (= 12 ~a25~0)) (.cse2 (<= ~a29~0 130)) (.cse3 (= 1 ~a4~0)) (.cse1 (<= ~a4~0 0))) (or (not (= 10 |old(~a25~0)|)) (and .cse0 .cse1) (not (= 130 |old(~a29~0)|)) (and (= ~a4~0 1) (<= (+ ~a23~0 43) 0)) (not (= 1 ~a3~0)) (and .cse1 .cse2) (not (= 312 |old(~a23~0)|)) (and (< 138 ~a23~0) .cse3) (and (not .cse0) .cse3) (and .cse2 .cse3) (and (<= ~a23~0 312) .cse1) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)))) [2018-11-18 10:18:41,860 INFO L425 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-11-18 10:18:41,860 INFO L425 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-11-18 10:18:41,860 INFO L425 ceAbstractionStarter]: For program point L1034-1(lines 1034 1043) no Hoare annotation was computed. [2018-11-18 10:18:41,860 INFO L421 ceAbstractionStarter]: At program point L1034-3(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (= 12 ~a25~0)) (.cse2 (<= ~a29~0 130)) (.cse3 (= 1 ~a4~0)) (.cse1 (<= ~a4~0 0))) (or (not (= 10 |old(~a25~0)|)) (and .cse0 .cse1) (not (= 130 |old(~a29~0)|)) (and (= ~a4~0 1) (<= (+ ~a23~0 43) 0)) (not (= 1 ~a3~0)) (and .cse1 .cse2) (not (= 312 |old(~a23~0)|)) (and (< 138 ~a23~0) .cse3) (and (not .cse0) .cse3) (and .cse2 .cse3) (and (<= ~a23~0 312) .cse1) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)))) [2018-11-18 10:18:41,860 INFO L425 ceAbstractionStarter]: For program point L1034-4(lines 1028 1044) no Hoare annotation was computed. [2018-11-18 10:18:41,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:18:41 BoogieIcfgContainer [2018-11-18 10:18:41,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:18:41,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:18:41,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:18:41,869 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:18:41,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:17:48" (3/4) ... [2018-11-18 10:18:41,872 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:18:41,876 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:18:41,877 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 10:18:41,877 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:18:41,893 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:18:41,894 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:18:41,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(10 == \old(a25)) || (12 == a25 && a4 <= 0)) || !(130 == \old(a29))) || (a4 == 1 && a23 + 43 <= 0)) || !(1 == a3)) || (a4 <= 0 && a29 <= 130)) || !(312 == \old(a23))) || (138 < a23 && 1 == a4)) || (!(12 == a25) && 1 == a4)) || (a29 <= 130 && 1 == a4)) || (a23 <= 312 && a4 <= 0)) || !(15 == a8)) || !(1 == \old(a4)) [2018-11-18 10:18:42,023 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1dd9685e-5b2d-4568-81b5-e046733d3061/bin-2019/utaipan/witness.graphml [2018-11-18 10:18:42,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:18:42,023 INFO L168 Benchmark]: Toolchain (without parser) took 55245.15 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -294.1 MB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. [2018-11-18 10:18:42,024 INFO L168 Benchmark]: CDTParser took 0.13 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 10:18:42,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 892.0 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:18:42,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 892.0 MB in the beginning and 1.1 GB in the end (delta: -256.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:18:42,025 INFO L168 Benchmark]: Boogie Preprocessor took 57.35 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:18:42,025 INFO L168 Benchmark]: RCFGBuilder took 1182.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.1 MB in the end (delta: 170.0 MB). Peak memory consumption was 170.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:18:42,025 INFO L168 Benchmark]: TraceAbstraction took 53260.34 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 972.1 MB in the beginning and 1.3 GB in the end (delta: -350.8 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-11-18 10:18:42,025 INFO L168 Benchmark]: Witness Printer took 154.49 ms. Allocated memory is still 5.0 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 77.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:18:42,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 487.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 892.0 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 892.0 MB in the beginning and 1.1 GB in the end (delta: -256.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.35 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1182.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.1 MB in the end (delta: 170.0 MB). Peak memory consumption was 170.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53260.34 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 972.1 MB in the beginning and 1.3 GB in the end (delta: -350.8 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. * Witness Printer took 154.49 ms. Allocated memory is still 5.0 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 77.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 126]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((((((((((!(10 == \old(a25)) || (12 == a25 && a4 <= 0)) || !(130 == \old(a29))) || (a4 == 1 && a23 + 43 <= 0)) || !(1 == a3)) || (a4 <= 0 && a29 <= 130)) || !(312 == \old(a23))) || (138 < a23 && 1 == a4)) || (!(12 == a25) && 1 == a4)) || (a29 <= 130 && 1 == a4)) || (a23 <= 312 && a4 <= 0)) || !(15 == a8)) || !(1 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. SAFE Result, 53.2s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 42.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2576 SDtfs, 17568 SDslu, 2191 SDs, 0 SdLazy, 26630 SolverSat, 9422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 3597 GetRequests, 3394 SyntacticMatches, 7 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9385 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20144occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.6s AbstIntTime, 6 AbstIntIterations, 1 AbstIntStrong, 0.9976879299562227 AbsIntWeakeningRatio, 0.13658536585365855 AbsIntAvgWeakeningVarsNumRemoved, 18.21951219512195 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2500 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 385 PreInvPairs, 559 NumberOfFragments, 460 HoareAnnotationTreeSize, 385 FomulaSimplifications, 22710 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16864 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 3676 NumberOfCodeBlocks, 3676 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 5241 ConstructedInterpolants, 0 QuantifiedInterpolants, 5282785 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2706 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 4370/4531 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...