./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/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 e1af67db67a88433de1a31e57b46e50dcbb6e7d8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:05:08,775 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:05:08,776 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:05:08,783 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:05:08,783 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:05:08,784 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:05:08,785 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:05:08,787 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:05:08,788 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:05:08,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:05:08,789 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:05:08,789 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:05:08,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:05:08,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:05:08,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:05:08,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:05:08,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:05:08,794 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:05:08,795 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:05:08,796 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:05:08,797 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:05:08,798 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:05:08,799 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:05:08,799 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:05:08,799 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:05:08,800 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:05:08,800 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:05:08,801 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:05:08,801 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:05:08,802 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:05:08,802 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:05:08,803 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:05:08,803 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:05:08,803 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:05:08,804 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:05:08,804 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:05:08,805 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:05:08,812 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:05:08,813 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:05:08,813 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:05:08,813 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:05:08,814 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:05:08,814 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:05:08,814 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:05:08,814 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:05:08,814 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:05:08,814 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:05:08,814 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:05:08,815 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:05:08,815 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:05:08,815 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:05:08,815 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:05:08,816 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:05:08,816 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:05:08,816 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:05:08,816 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:05:08,816 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:05:08,816 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:05:08,816 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:05:08,817 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:05:08,817 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:05:08,817 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:05:08,817 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:05:08,817 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:05:08,817 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:05:08,818 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:05:08,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:05:08,818 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:05:08,818 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:05:08,818 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:05:08,818 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:05:08,818 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:05:08,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:05:08,819 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:05:08,819 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_004f1c48-7bb9-4485-b149-09e3ca1a3b85/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 -> e1af67db67a88433de1a31e57b46e50dcbb6e7d8 [2018-11-18 15:05:08,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:05:08,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:05:08,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:05:08,858 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:05:08,858 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:05:08,859 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c [2018-11-18 15:05:08,901 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/data/c8982f47c/243c7700505a4e19b51c6d018619f15d/FLAGfae0b33ce [2018-11-18 15:05:09,313 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:05:09,314 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c [2018-11-18 15:05:09,324 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/data/c8982f47c/243c7700505a4e19b51c6d018619f15d/FLAGfae0b33ce [2018-11-18 15:05:09,677 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/data/c8982f47c/243c7700505a4e19b51c6d018619f15d [2018-11-18 15:05:09,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:05:09,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:05:09,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:05:09,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:05:09,685 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:05:09,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:05:09" (1/1) ... [2018-11-18 15:05:09,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53518e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:09, skipping insertion in model container [2018-11-18 15:05:09,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:05:09" (1/1) ... [2018-11-18 15:05:09,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:05:09,739 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:05:09,978 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:05:09,981 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:05:10,049 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:05:10,062 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:05:10,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10 WrapperNode [2018-11-18 15:05:10,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:05:10,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:05:10,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:05:10,063 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:05:10,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:05:10,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:05:10,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:05:10,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:05:10,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... [2018-11-18 15:05:10,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:05:10,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:05:10,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:05:10,201 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:05:10,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/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 15:05:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:05:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:05:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:05:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 15:05:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 15:05:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:05:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:05:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:05:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:05:11,172 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:05:11,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:05:11 BoogieIcfgContainer [2018-11-18 15:05:11,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:05:11,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:05:11,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:05:11,176 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:05:11,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:05:09" (1/3) ... [2018-11-18 15:05:11,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f1b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:05:11, skipping insertion in model container [2018-11-18 15:05:11,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:05:10" (2/3) ... [2018-11-18 15:05:11,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f1b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:05:11, skipping insertion in model container [2018-11-18 15:05:11,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:05:11" (3/3) ... [2018-11-18 15:05:11,179 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label27_true-unreach-call_false-termination.c [2018-11-18 15:05:11,187 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:05:11,197 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:05:11,207 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:05:11,234 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:05:11,234 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:05:11,234 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:05:11,234 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:05:11,234 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:05:11,235 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:05:11,235 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:05:11,235 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:05:11,254 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 15:05:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 15:05:11,262 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:11,263 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:05:11,265 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:11,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:11,270 INFO L82 PathProgramCache]: Analyzing trace with hash 933673069, now seen corresponding path program 1 times [2018-11-18 15:05:11,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:11,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:11,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:11,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:11,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:11,625 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 15:05:11,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:05:11,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:05:11,628 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:11,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:05:11,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:05:11,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:05:11,648 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 4 states. [2018-11-18 15:05:12,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:12,641 INFO L93 Difference]: Finished difference Result 702 states and 1227 transitions. [2018-11-18 15:05:12,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:05:12,643 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2018-11-18 15:05:12,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:12,656 INFO L225 Difference]: With dead ends: 702 [2018-11-18 15:05:12,657 INFO L226 Difference]: Without dead ends: 488 [2018-11-18 15:05:12,661 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 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 15:05:12,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-11-18 15:05:12,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 340. [2018-11-18 15:05:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 15:05:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 565 transitions. [2018-11-18 15:05:12,707 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 565 transitions. Word has length 95 [2018-11-18 15:05:12,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:12,708 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 565 transitions. [2018-11-18 15:05:12,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:05:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 565 transitions. [2018-11-18 15:05:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 15:05:12,712 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:12,713 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:05:12,713 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:12,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:12,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2037295790, now seen corresponding path program 1 times [2018-11-18 15:05:12,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:12,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:12,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:12,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:12,715 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:05:12,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:05:12,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:05:12,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:12,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:05:12,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:05:12,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:05:12,803 INFO L87 Difference]: Start difference. First operand 340 states and 565 transitions. Second operand 6 states. [2018-11-18 15:05:13,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:13,405 INFO L93 Difference]: Finished difference Result 1070 states and 1865 transitions. [2018-11-18 15:05:13,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:05:13,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-11-18 15:05:13,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:13,424 INFO L225 Difference]: With dead ends: 1070 [2018-11-18 15:05:13,424 INFO L226 Difference]: Without dead ends: 736 [2018-11-18 15:05:13,427 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:05:13,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2018-11-18 15:05:13,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 719. [2018-11-18 15:05:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-11-18 15:05:13,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1163 transitions. [2018-11-18 15:05:13,465 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1163 transitions. Word has length 106 [2018-11-18 15:05:13,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:13,465 INFO L480 AbstractCegarLoop]: Abstraction has 719 states and 1163 transitions. [2018-11-18 15:05:13,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:05:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1163 transitions. [2018-11-18 15:05:13,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 15:05:13,469 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:13,469 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 15:05:13,470 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:13,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:13,470 INFO L82 PathProgramCache]: Analyzing trace with hash 420402650, now seen corresponding path program 1 times [2018-11-18 15:05:13,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:13,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:13,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:13,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:13,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:05:13,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:05:13,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:05:13,573 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:13,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:05:13,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:05:13,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:05:13,574 INFO L87 Difference]: Start difference. First operand 719 states and 1163 transitions. Second operand 3 states. [2018-11-18 15:05:14,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:14,138 INFO L93 Difference]: Finished difference Result 2065 states and 3447 transitions. [2018-11-18 15:05:14,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:05:14,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-11-18 15:05:14,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:14,149 INFO L225 Difference]: With dead ends: 2065 [2018-11-18 15:05:14,149 INFO L226 Difference]: Without dead ends: 1352 [2018-11-18 15:05:14,153 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:05:14,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2018-11-18 15:05:14,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1345. [2018-11-18 15:05:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1345 states. [2018-11-18 15:05:14,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 2085 transitions. [2018-11-18 15:05:14,195 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 2085 transitions. Word has length 107 [2018-11-18 15:05:14,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:14,196 INFO L480 AbstractCegarLoop]: Abstraction has 1345 states and 2085 transitions. [2018-11-18 15:05:14,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:05:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 2085 transitions. [2018-11-18 15:05:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 15:05:14,199 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:14,199 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:14,200 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:14,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:14,200 INFO L82 PathProgramCache]: Analyzing trace with hash -820743182, now seen corresponding path program 1 times [2018-11-18 15:05:14,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:14,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:14,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:14,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:14,201 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:05:14,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:05:14,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:05:14,285 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:14,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:05:14,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:05:14,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:05:14,286 INFO L87 Difference]: Start difference. First operand 1345 states and 2085 transitions. Second operand 6 states. [2018-11-18 15:05:15,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:15,162 INFO L93 Difference]: Finished difference Result 4143 states and 6680 transitions. [2018-11-18 15:05:15,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:05:15,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-11-18 15:05:15,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:15,172 INFO L225 Difference]: With dead ends: 4143 [2018-11-18 15:05:15,172 INFO L226 Difference]: Without dead ends: 2804 [2018-11-18 15:05:15,177 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:05:15,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2018-11-18 15:05:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2778. [2018-11-18 15:05:15,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2778 states. [2018-11-18 15:05:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 4132 transitions. [2018-11-18 15:05:15,231 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 4132 transitions. Word has length 119 [2018-11-18 15:05:15,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:15,231 INFO L480 AbstractCegarLoop]: Abstraction has 2778 states and 4132 transitions. [2018-11-18 15:05:15,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:05:15,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 4132 transitions. [2018-11-18 15:05:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 15:05:15,234 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:15,234 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 15:05:15,234 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:15,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:15,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1178183073, now seen corresponding path program 1 times [2018-11-18 15:05:15,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:15,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:15,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:15,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:15,236 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:05:15,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:15,317 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:15,318 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 132 with the following transitions: [2018-11-18 15:05:15,319 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 15:05:15,355 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:15,356 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:15,854 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:05:15,855 INFO L272 AbstractInterpreter]: Visited 99 different actions 191 times. Merged at 4 different actions 4 times. Never widened. Performed 2779 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2779 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 15:05:15,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:15,872 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:05:16,123 INFO L227 lantSequenceWeakener]: Weakened 128 states. On average, predicates are now at 81.48% of their original sizes. [2018-11-18 15:05:16,123 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:05:16,180 INFO L415 sIntCurrentIteration]: We unified 130 AI predicates to 130 [2018-11-18 15:05:16,180 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:05:16,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:05:16,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 15:05:16,181 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:16,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:05:16,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:05:16,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:05:16,182 INFO L87 Difference]: Start difference. First operand 2778 states and 4132 transitions. Second operand 10 states. [2018-11-18 15:05:21,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:21,633 INFO L93 Difference]: Finished difference Result 7159 states and 10531 transitions. [2018-11-18 15:05:21,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 15:05:21,633 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 131 [2018-11-18 15:05:21,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:21,649 INFO L225 Difference]: With dead ends: 7159 [2018-11-18 15:05:21,650 INFO L226 Difference]: Without dead ends: 4387 [2018-11-18 15:05:21,661 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 15:05:21,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4387 states. [2018-11-18 15:05:21,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4387 to 4340. [2018-11-18 15:05:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4340 states. [2018-11-18 15:05:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4340 states to 4340 states and 5722 transitions. [2018-11-18 15:05:21,762 INFO L78 Accepts]: Start accepts. Automaton has 4340 states and 5722 transitions. Word has length 131 [2018-11-18 15:05:21,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:21,763 INFO L480 AbstractCegarLoop]: Abstraction has 4340 states and 5722 transitions. [2018-11-18 15:05:21,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:05:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 4340 states and 5722 transitions. [2018-11-18 15:05:21,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 15:05:21,769 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:21,769 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:05:21,770 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:21,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:21,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1279739647, now seen corresponding path program 1 times [2018-11-18 15:05:21,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:21,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:21,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:21,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:21,771 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:21,908 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:05:21,908 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:21,908 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:21,908 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-18 15:05:21,909 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 15:05:21,912 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:21,913 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:22,089 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:05:22,090 INFO L272 AbstractInterpreter]: Visited 99 different actions 192 times. Merged at 5 different actions 5 times. Never widened. Performed 2661 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2661 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 15:05:22,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:22,092 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:05:22,270 INFO L227 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 81.49% of their original sizes. [2018-11-18 15:05:22,271 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:05:22,317 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-18 15:05:22,318 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:05:22,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:05:22,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 15:05:22,318 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:22,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:05:22,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:05:22,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:05:22,319 INFO L87 Difference]: Start difference. First operand 4340 states and 5722 transitions. Second operand 10 states. [2018-11-18 15:05:25,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:25,383 INFO L93 Difference]: Finished difference Result 8679 states and 11478 transitions. [2018-11-18 15:05:25,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 15:05:25,383 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2018-11-18 15:05:25,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:25,392 INFO L225 Difference]: With dead ends: 8679 [2018-11-18 15:05:25,392 INFO L226 Difference]: Without dead ends: 4481 [2018-11-18 15:05:25,399 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 146 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 15:05:25,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2018-11-18 15:05:25,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 4478. [2018-11-18 15:05:25,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4478 states. [2018-11-18 15:05:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4478 states and 5875 transitions. [2018-11-18 15:05:25,461 INFO L78 Accepts]: Start accepts. Automaton has 4478 states and 5875 transitions. Word has length 139 [2018-11-18 15:05:25,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:25,461 INFO L480 AbstractCegarLoop]: Abstraction has 4478 states and 5875 transitions. [2018-11-18 15:05:25,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:05:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 4478 states and 5875 transitions. [2018-11-18 15:05:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 15:05:25,465 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:25,466 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:05:25,466 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:25,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:25,466 INFO L82 PathProgramCache]: Analyzing trace with hash 630990574, now seen corresponding path program 1 times [2018-11-18 15:05:25,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:25,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:25,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:25,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:25,467 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 59 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 15:05:25,531 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:25,532 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:25,532 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-18 15:05:25,532 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 15:05:25,535 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:25,535 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:25,703 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:05:25,703 INFO L272 AbstractInterpreter]: Visited 100 different actions 299 times. Merged at 7 different actions 21 times. Never widened. Performed 4286 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4286 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 15:05:25,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:25,711 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:05:25,869 INFO L227 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 83.27% of their original sizes. [2018-11-18 15:05:25,869 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:05:25,914 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-11-18 15:05:25,914 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:05:25,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:05:25,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-11-18 15:05:25,915 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:25,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:05:25,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:05:25,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:05:25,916 INFO L87 Difference]: Start difference. First operand 4478 states and 5875 transitions. Second operand 9 states. [2018-11-18 15:05:28,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:28,944 INFO L93 Difference]: Finished difference Result 9264 states and 12132 transitions. [2018-11-18 15:05:28,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:05:28,944 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2018-11-18 15:05:28,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:28,954 INFO L225 Difference]: With dead ends: 9264 [2018-11-18 15:05:28,954 INFO L226 Difference]: Without dead ends: 5066 [2018-11-18 15:05:28,960 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 15:05:28,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5066 states. [2018-11-18 15:05:29,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5066 to 5004. [2018-11-18 15:05:29,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5004 states. [2018-11-18 15:05:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5004 states to 5004 states and 6415 transitions. [2018-11-18 15:05:29,021 INFO L78 Accepts]: Start accepts. Automaton has 5004 states and 6415 transitions. Word has length 151 [2018-11-18 15:05:29,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:29,022 INFO L480 AbstractCegarLoop]: Abstraction has 5004 states and 6415 transitions. [2018-11-18 15:05:29,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:05:29,022 INFO L276 IsEmpty]: Start isEmpty. Operand 5004 states and 6415 transitions. [2018-11-18 15:05:29,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 15:05:29,026 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:29,026 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:29,026 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:29,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:29,026 INFO L82 PathProgramCache]: Analyzing trace with hash 798717009, now seen corresponding path program 1 times [2018-11-18 15:05:29,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:29,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:29,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:29,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:29,027 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 81 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 15:05:29,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:29,087 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:29,087 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-11-18 15:05:29,087 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 15:05:29,089 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:29,090 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:29,401 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:05:29,401 INFO L272 AbstractInterpreter]: Visited 102 different actions 407 times. Merged at 9 different actions 35 times. Never widened. Performed 6023 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6023 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 15:05:29,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:29,405 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:05:29,405 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:29,405 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/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 15:05:29,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:29,412 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:05:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:29,482 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:05:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:05:29,559 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:05:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 81 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 15:05:29,673 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:05:29,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-18 15:05:29,673 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:05:29,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:05:29,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:05:29,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:05:29,675 INFO L87 Difference]: Start difference. First operand 5004 states and 6415 transitions. Second operand 8 states. [2018-11-18 15:05:31,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:31,554 INFO L93 Difference]: Finished difference Result 13381 states and 18017 transitions. [2018-11-18 15:05:31,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 15:05:31,556 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 171 [2018-11-18 15:05:31,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:31,574 INFO L225 Difference]: With dead ends: 13381 [2018-11-18 15:05:31,574 INFO L226 Difference]: Without dead ends: 4938 [2018-11-18 15:05:31,601 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-18 15:05:31,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4938 states. [2018-11-18 15:05:31,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4938 to 4840. [2018-11-18 15:05:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4840 states. [2018-11-18 15:05:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4840 states to 4840 states and 5601 transitions. [2018-11-18 15:05:31,701 INFO L78 Accepts]: Start accepts. Automaton has 4840 states and 5601 transitions. Word has length 171 [2018-11-18 15:05:31,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:31,702 INFO L480 AbstractCegarLoop]: Abstraction has 4840 states and 5601 transitions. [2018-11-18 15:05:31,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:05:31,702 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 5601 transitions. [2018-11-18 15:05:31,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 15:05:31,709 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:31,709 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, 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] [2018-11-18 15:05:31,709 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:31,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:31,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1834458005, now seen corresponding path program 1 times [2018-11-18 15:05:31,710 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:31,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:31,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:31,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:31,711 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:05:32,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:32,084 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:32,084 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-18 15:05:32,085 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 15:05:32,087 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:32,087 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:32,178 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:05:32,178 INFO L272 AbstractInterpreter]: Visited 99 different actions 192 times. Merged at 5 different actions 5 times. Never widened. Performed 2716 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2716 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 15:05:32,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:32,179 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:05:32,314 INFO L227 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 81.51% of their original sizes. [2018-11-18 15:05:32,315 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:05:32,352 INFO L415 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2018-11-18 15:05:32,352 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:05:32,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:05:32,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-11-18 15:05:32,352 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:32,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:05:32,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:05:32,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:05:32,353 INFO L87 Difference]: Start difference. First operand 4840 states and 5601 transitions. Second operand 10 states. [2018-11-18 15:05:35,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:35,043 INFO L93 Difference]: Finished difference Result 9863 states and 11459 transitions. [2018-11-18 15:05:35,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 15:05:35,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2018-11-18 15:05:35,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:35,061 INFO L225 Difference]: With dead ends: 9863 [2018-11-18 15:05:35,061 INFO L226 Difference]: Without dead ends: 5303 [2018-11-18 15:05:35,069 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 180 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:05:35,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5303 states. [2018-11-18 15:05:35,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5303 to 5300. [2018-11-18 15:05:35,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5300 states. [2018-11-18 15:05:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 6092 transitions. [2018-11-18 15:05:35,184 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 6092 transitions. Word has length 172 [2018-11-18 15:05:35,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:35,184 INFO L480 AbstractCegarLoop]: Abstraction has 5300 states and 6092 transitions. [2018-11-18 15:05:35,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:05:35,184 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 6092 transitions. [2018-11-18 15:05:35,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 15:05:35,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:35,193 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-18 15:05:35,193 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:35,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:35,194 INFO L82 PathProgramCache]: Analyzing trace with hash -78425096, now seen corresponding path program 1 times [2018-11-18 15:05:35,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:35,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:35,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:35,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:35,195 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 83 proven. 40 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:05:35,332 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:35,332 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:35,332 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-11-18 15:05:35,333 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 15:05:35,335 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:35,335 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:35,717 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:05:35,718 INFO L272 AbstractInterpreter]: Visited 101 different actions 399 times. Merged at 8 different actions 31 times. Never widened. Performed 5790 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5790 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 15:05:35,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:35,719 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:05:35,719 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:35,719 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/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 15:05:35,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:35,727 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:05:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:35,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:05:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 15:05:35,833 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:05:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 89 proven. 34 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:05:35,903 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:05:35,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 15:05:35,903 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:05:35,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 15:05:35,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 15:05:35,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:05:35,904 INFO L87 Difference]: Start difference. First operand 5300 states and 6092 transitions. Second operand 11 states. [2018-11-18 15:05:37,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:37,038 INFO L93 Difference]: Finished difference Result 14617 states and 17605 transitions. [2018-11-18 15:05:37,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 15:05:37,039 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 181 [2018-11-18 15:05:37,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:37,065 INFO L225 Difference]: With dead ends: 14617 [2018-11-18 15:05:37,065 INFO L226 Difference]: Without dead ends: 9919 [2018-11-18 15:05:37,077 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-18 15:05:37,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9919 states. [2018-11-18 15:05:37,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9919 to 9742. [2018-11-18 15:05:37,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9742 states. [2018-11-18 15:05:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9742 states to 9742 states and 11442 transitions. [2018-11-18 15:05:37,247 INFO L78 Accepts]: Start accepts. Automaton has 9742 states and 11442 transitions. Word has length 181 [2018-11-18 15:05:37,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:37,247 INFO L480 AbstractCegarLoop]: Abstraction has 9742 states and 11442 transitions. [2018-11-18 15:05:37,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 15:05:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 9742 states and 11442 transitions. [2018-11-18 15:05:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 15:05:37,260 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:37,260 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-11-18 15:05:37,260 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:37,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:37,260 INFO L82 PathProgramCache]: Analyzing trace with hash -623201878, now seen corresponding path program 1 times [2018-11-18 15:05:37,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:37,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:37,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:37,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:37,261 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 100 proven. 32 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:05:37,392 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:37,392 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:37,392 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 191 with the following transitions: [2018-11-18 15:05:37,392 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 15:05:37,394 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:37,394 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:37,619 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:05:37,619 INFO L272 AbstractInterpreter]: Visited 100 different actions 292 times. Merged at 7 different actions 14 times. Never widened. Performed 4056 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4056 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 15:05:37,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:37,621 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:05:37,819 INFO L227 lantSequenceWeakener]: Weakened 187 states. On average, predicates are now at 83.03% of their original sizes. [2018-11-18 15:05:37,820 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:05:37,852 INFO L415 sIntCurrentIteration]: We unified 189 AI predicates to 189 [2018-11-18 15:05:37,853 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:05:37,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:05:37,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 15:05:37,853 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:37,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:05:37,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:05:37,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:05:37,853 INFO L87 Difference]: Start difference. First operand 9742 states and 11442 transitions. Second operand 9 states. [2018-11-18 15:05:40,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:40,207 INFO L93 Difference]: Finished difference Result 19444 states and 22940 transitions. [2018-11-18 15:05:40,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 15:05:40,207 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 190 [2018-11-18 15:05:40,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:40,227 INFO L225 Difference]: With dead ends: 19444 [2018-11-18 15:05:40,227 INFO L226 Difference]: Without dead ends: 10442 [2018-11-18 15:05:40,241 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-18 15:05:40,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10442 states. [2018-11-18 15:05:40,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10442 to 10436. [2018-11-18 15:05:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10436 states. [2018-11-18 15:05:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10436 states to 10436 states and 12221 transitions. [2018-11-18 15:05:40,418 INFO L78 Accepts]: Start accepts. Automaton has 10436 states and 12221 transitions. Word has length 190 [2018-11-18 15:05:40,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:40,419 INFO L480 AbstractCegarLoop]: Abstraction has 10436 states and 12221 transitions. [2018-11-18 15:05:40,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:05:40,419 INFO L276 IsEmpty]: Start isEmpty. Operand 10436 states and 12221 transitions. [2018-11-18 15:05:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 15:05:40,432 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:40,432 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:40,433 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:40,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:40,433 INFO L82 PathProgramCache]: Analyzing trace with hash -685885555, now seen corresponding path program 1 times [2018-11-18 15:05:40,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:40,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:40,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:40,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:40,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 61 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 15:05:40,563 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:40,563 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:40,564 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-18 15:05:40,564 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 15:05:40,566 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:40,566 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:40,796 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:05:40,796 INFO L272 AbstractInterpreter]: Visited 102 different actions 412 times. Merged at 9 different actions 40 times. Widened at 1 different actions 1 times. Performed 5979 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5979 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 15:05:40,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:40,797 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:05:40,797 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:40,798 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/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 15:05:40,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:40,804 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:05:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:40,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:05:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:05:40,895 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:05:40,950 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 111 proven. 14 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:05:40,967 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:05:40,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-18 15:05:40,967 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:05:40,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 15:05:40,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 15:05:40,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-18 15:05:40,968 INFO L87 Difference]: Start difference. First operand 10436 states and 12221 transitions. Second operand 12 states. [2018-11-18 15:05:42,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:42,887 INFO L93 Difference]: Finished difference Result 23663 states and 28881 transitions. [2018-11-18 15:05:42,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-18 15:05:42,888 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 201 [2018-11-18 15:05:42,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:42,920 INFO L225 Difference]: With dead ends: 23663 [2018-11-18 15:05:42,920 INFO L226 Difference]: Without dead ends: 13507 [2018-11-18 15:05:42,935 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 427 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-11-18 15:05:42,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13507 states. [2018-11-18 15:05:43,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13507 to 12841. [2018-11-18 15:05:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12841 states. [2018-11-18 15:05:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12841 states to 12841 states and 15277 transitions. [2018-11-18 15:05:43,140 INFO L78 Accepts]: Start accepts. Automaton has 12841 states and 15277 transitions. Word has length 201 [2018-11-18 15:05:43,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:43,141 INFO L480 AbstractCegarLoop]: Abstraction has 12841 states and 15277 transitions. [2018-11-18 15:05:43,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 15:05:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 12841 states and 15277 transitions. [2018-11-18 15:05:43,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 15:05:43,152 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:05:43,152 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, 3, 3, 3, 3, 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] [2018-11-18 15:05:43,153 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:05:43,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:43,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1662569828, now seen corresponding path program 1 times [2018-11-18 15:05:43,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:05:43,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:43,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:43,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:05:43,154 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:05:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 174 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:05:43,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:43,269 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:05:43,269 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2018-11-18 15:05:43,269 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 15:05:43,271 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:05:43,271 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:05:43,478 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:05:43,478 INFO L272 AbstractInterpreter]: Visited 101 different actions 396 times. Merged at 8 different actions 28 times. Never widened. Performed 5895 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5895 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 15:05:43,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:05:43,479 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:05:43,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:05:43,479 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/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 15:05:43,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:05:43,486 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:05:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:05:43,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:05:43,593 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 15:05:43,593 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:05:43,642 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 15:05:43,659 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:05:43,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-18 15:05:43,659 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:05:43,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:05:43,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:05:43,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:05:43,660 INFO L87 Difference]: Start difference. First operand 12841 states and 15277 transitions. Second operand 3 states. [2018-11-18 15:05:44,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:05:44,012 INFO L93 Difference]: Finished difference Result 22171 states and 26714 transitions. [2018-11-18 15:05:44,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:05:44,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2018-11-18 15:05:44,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:05:44,014 INFO L225 Difference]: With dead ends: 22171 [2018-11-18 15:05:44,014 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:05:44,045 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 410 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:05:44,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:05:44,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:05:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:05:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:05:44,046 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2018-11-18 15:05:44,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:05:44,046 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:05:44,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:05:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:05:44,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:05:44,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:05:44,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:44,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,073 WARN L180 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 191 [2018-11-18 15:05:45,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:05:45,440 WARN L180 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 123 [2018-11-18 15:05:47,055 WARN L180 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 336 DAG size of output: 108 [2018-11-18 15:05:47,767 WARN L180 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 82 [2018-11-18 15:05:48,197 WARN L180 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2018-11-18 15:05:48,198 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 15:05:48,199 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 15:05:48,200 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 15:05:48,201 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,202 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,203 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 15:05:48,204 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 15:05:48,205 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 15:05:48,206 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 15:05:48,207 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 15:05:48,207 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 15:05:48,207 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse32 (= 1 |old(~a20~0)|)) (.cse12 (= ~a21~0 1)) (.cse13 (= 1 ~a17~0)) (.cse27 (= ~a20~0 1)) (.cse29 (= |old(~a20~0)| ~a20~0)) (.cse14 (= |old(~a16~0)| ~a16~0)) (.cse15 (= ~a7~0 |old(~a7~0)|)) (.cse16 (= |old(~a8~0)| ~a8~0)) (.cse26 (= ~a17~0 |old(~a17~0)|))) (let ((.cse19 (and .cse29 .cse14 .cse15 .cse16 .cse26)) (.cse7 (and .cse14 .cse12 .cse13 .cse15 .cse16 .cse27)) (.cse23 (not (= 5 |old(~a16~0)|))) (.cse10 (< 13 |old(~a8~0)|)) (.cse20 (not (= 0 |old(~a7~0)|))) (.cse22 (not (= 15 |old(~a8~0)|))) (.cse25 (and .cse15 .cse16 .cse14)) (.cse21 (< 0 |old(~a17~0)|)) (.cse28 (= 1 ~a7~0)) (.cse17 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) (.cse5 (not (= 1 |old(~a7~0)|))) (.cse18 (and (= |old(~a7~0)| |old(~a20~0)|) .cse32)) (.cse8 (< |old(~a8~0)| 15)) (.cse30 (= 13 |old(~a8~0)|)) (.cse31 (and .cse29 .cse14 .cse12 .cse15 .cse16 .cse26)) (.cse0 (= 6 |old(~a16~0)|)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse4 (not (= 8 ~a12~0))) (.cse24 (< 14 |old(~a8~0)|)) (.cse6 (= |calculate_output_#in~input| 0)) (.cse9 (not (= 1 |old(~a17~0)|))) (.cse2 (not .cse32)) (.cse3 (= 0 |old(~a16~0)|)) (.cse11 (= 0 |old(~a8~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse10 .cse3 .cse4 .cse6 .cse11 (and .cse12 .cse13) .cse9) (or .cse1 (and .cse14 .cse12 .cse13 .cse15 .cse16 .cse17) .cse3 .cse4 .cse5 .cse6 .cse11 .cse18 .cse9) (or .cse19 .cse0 .cse10 .cse5 .cse9) (or .cse12 (or .cse20 .cse1 .cse4 .cse21 .cse6 .cse22 .cse23)) (or .cse0 .cse19 .cse24 .cse21) (or .cse0 .cse20 .cse1 .cse12 .cse4 .cse21 .cse6 .cse2 .cse22 .cse3) (or .cse0 (= |old(~a7~0)| 1) .cse10 .cse25) (or .cse1 .cse10 .cse2 .cse7 .cse3 .cse4 .cse6 .cse11 .cse9) (or .cse20 .cse1 (and .cse12 .cse15 .cse16 .cse26 .cse27 (= ~a16~0 5)) .cse4 .cse6 .cse9 .cse2 .cse22 .cse23) (or .cse10 (and .cse28 .cse16 .cse29 .cse26 .cse14) (< |old(~a20~0)| 1) .cse5 .cse21) (or .cse30 .cse21 (and .cse29 .cse26) .cse18) (or .cse6 .cse12 (or (not .cse0) .cse20 .cse1 .cse2 .cse22 (not (= 0 |old(~a17~0)|)) .cse4)) (or .cse1 .cse30 .cse3 .cse4 .cse6 .cse11 .cse31 (< 0 |old(~a20~0)|) .cse9) (or .cse30 .cse25 .cse21 .cse18) (or (and .cse28 .cse16 .cse14 .cse17) .cse5 .cse18 .cse8) (or .cse0 .cse1 .cse30 .cse3 .cse4 .cse31 .cse6 .cse11 .cse32 .cse9) (or .cse0 .cse1 .cse4 .cse24 .cse6 (and .cse14 .cse12 .cse15 .cse16 .cse26 .cse27) .cse9 .cse2 .cse3 .cse11)))) [2018-11-18 15:05:48,207 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 15:05:48,207 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,207 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,207 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,207 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,207 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 15:05:48,208 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 15:05:48,209 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 15:05:48,210 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 15:05:48,211 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 15:05:48,211 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 15:05:48,211 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 15:05:48,211 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 15:05:48,211 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 15:05:48,211 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 15:05:48,211 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:05:48,211 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5) (= 1 ~a17~0)) [2018-11-18 15:05:48,211 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:05:48,211 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:05:48,211 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-18 15:05:48,211 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 15:05:48,212 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse12 (= ~a20~0 1)) (.cse11 (<= ~a8~0 13)) (.cse3 (not (= ~a16~0 0))) (.cse9 (not (= ~a8~0 0))) (.cse2 (not (= ~a8~0 13))) (.cse8 (= 1 ~a17~0)) (.cse5 (not (= main_~input~0 0))) (.cse7 (= ~a21~0 1)) (.cse13 (= ~a7~0 |old(~a7~0)|)) (.cse14 (<= ~a8~0 |old(~a8~0)|)) (.cse4 (= 1 ~a7~0)) (.cse0 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) (.cse6 (not (= ~a16~0 6))) (.cse1 (<= ~a17~0 0)) (.cse10 (<= ~a8~0 14))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (and .cse3 .cse5 .cse9 .cse7 .cse8 .cse6) .cse10) (and .cse3 .cse4 .cse5 .cse9 .cse0 .cse7 .cse8) (and .cse11 .cse3 .cse5 .cse9 .cse7 .cse12 .cse8) (and .cse3 (not .cse12) .cse5 .cse9 .cse7 .cse8 .cse6) (and .cse11 .cse4 .cse6 .cse8) (and .cse11 .cse13 .cse6) (and .cse11 .cse4 .cse1 (<= 1 ~a20~0)) (and .cse3 .cse5 .cse9 .cse7 .cse2 .cse8 (<= ~a20~0 0)) (and .cse5 .cse7 .cse14 .cse13 (= ~a17~0 |old(~a17~0)|) (= ~a16~0 5)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse14 .cse4 (<= 15 ~a8~0) .cse0) (and .cse6 .cse1 .cse10))) [2018-11-18 15:05:48,212 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 15:05:48,212 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 15:05:48,212 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 15:05:48,212 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse9 (= ~a20~0 1)) (.cse10 (<= ~a8~0 13)) (.cse8 (not (= ~a8~0 13))) (.cse0 (not (= ~a16~0 0))) (.cse11 (= 1 ~a7~0)) (.cse1 (not (= ~a8~0 0))) (.cse6 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) (.cse3 (= ~a21~0 1)) (.cse4 (= 1 ~a17~0)) (.cse2 (not (= ~a16~0 6))) (.cse7 (<= ~a17~0 0)) (.cse5 (<= ~a8~0 14))) (or (not (= 1 |old(~a21~0)|)) (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and .cse6 .cse7 .cse8) (not (= 8 ~a12~0)) (and .cse0 (not .cse9) .cse1 .cse3 .cse4 .cse2) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse10 .cse0 .cse1 .cse9 .cse3 .cse4) (and .cse10 .cse11 .cse2 .cse4) (and .cse10 (= ~a7~0 |old(~a7~0)|) .cse2) (and .cse10 .cse11 .cse7 (<= 1 ~a20~0)) (and .cse0 .cse11 .cse2 .cse3 .cse4) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and (and (= ~a8~0 15) .cse3 (and (= ~a7~0 0) .cse4)) (= ~a16~0 5)) (not (= 15 |old(~a8~0)|)) (and (<= ~a8~0 |old(~a8~0)|) .cse11 (<= 15 ~a8~0) .cse6) (and (and .cse0 .cse1 .cse3 .cse8 .cse4) (<= ~a20~0 0)) (and .cse0 .cse11 .cse1 .cse6 .cse3 .cse4) (and .cse2 .cse7 .cse5))) [2018-11-18 15:05:48,212 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 15:05:48,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:05:48 BoogieIcfgContainer [2018-11-18 15:05:48,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:05:48,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:05:48,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:05:48,224 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:05:48,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:05:11" (3/4) ... [2018-11-18 15:05:48,228 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:05:48,232 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:05:48,233 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 15:05:48,233 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:05:48,242 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:05:48,243 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:05:48,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(1 == \old(a21)) || (((((!(a16 == 0) && !(a8 == 0)) && !(a16 == 6)) && a21 == 1) && 1 == a17) && a8 <= 14)) || (((!(1 == a20) || !(a20 == a7)) && a17 <= 0) && !(a8 == 13))) || !(8 == a12)) || (((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a21 == 1) && 1 == a17) && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a20 == 1) && a21 == 1) && 1 == a17)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && 1 == a17)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || ((((!(a16 == 0) && 1 == a7) && !(a16 == 6)) && a21 == 1) && 1 == a17)) || !(0 == \old(a7))) || !(1 == \old(a17))) || (((a8 == 15 && a21 == 1) && a7 == 0 && 1 == a17) && a16 == 5)) || !(15 == \old(a8))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && (!(1 == a20) || !(a20 == a7)))) || (((((!(a16 == 0) && !(a8 == 0)) && a21 == 1) && !(a8 == 13)) && 1 == a17) && a20 <= 0)) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && (!(1 == a20) || !(a20 == a7))) && a21 == 1) && 1 == a17)) || ((!(a16 == 6) && a17 <= 0) && a8 <= 14) [2018-11-18 15:05:48,337 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_004f1c48-7bb9-4485-b149-09e3ca1a3b85/bin-2019/utaipan/witness.graphml [2018-11-18 15:05:48,337 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:05:48,338 INFO L168 Benchmark]: Toolchain (without parser) took 38657.75 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 955.5 MB in the beginning and 1.5 GB in the end (delta: -569.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 15:05:48,339 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:05:48,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.99 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 917.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:05:48,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -219.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:05:48,339 INFO L168 Benchmark]: Boogie Preprocessor took 55.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:05:48,339 INFO L168 Benchmark]: RCFGBuilder took 971.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:05:48,340 INFO L168 Benchmark]: TraceAbstraction took 37050.27 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -531.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-18 15:05:48,340 INFO L168 Benchmark]: Witness Printer took 113.27 ms. Allocated memory is still 2.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:05:48,341 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 380.99 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 917.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -219.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 971.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37050.27 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -531.0 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 113.27 ms. Allocated memory is still 2.8 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 440]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(1 == \old(a21)) || (((((!(a16 == 0) && !(a8 == 0)) && !(a16 == 6)) && a21 == 1) && 1 == a17) && a8 <= 14)) || (((!(1 == a20) || !(a20 == a7)) && a17 <= 0) && !(a8 == 13))) || !(8 == a12)) || (((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a21 == 1) && 1 == a17) && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a20 == 1) && a21 == 1) && 1 == a17)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && 1 == a17)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || ((((!(a16 == 0) && 1 == a7) && !(a16 == 6)) && a21 == 1) && 1 == a17)) || !(0 == \old(a7))) || !(1 == \old(a17))) || (((a8 == 15 && a21 == 1) && a7 == 0 && 1 == a17) && a16 == 5)) || !(15 == \old(a8))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && (!(1 == a20) || !(a20 == a7)))) || (((((!(a16 == 0) && !(a8 == 0)) && a21 == 1) && !(a8 == 13)) && 1 == a17) && a20 <= 0)) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && (!(1 == a20) || !(a20 == a7))) && a21 == 1) && 1 == a17)) || ((!(a16 == 6) && a17 <= 0) && a8 <= 14) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 36.9s OverallTime, 13 OverallIterations, 5 TraceHistogramMax, 25.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1788 SDtfs, 13499 SDslu, 3143 SDs, 0 SdLazy, 16908 SolverSat, 3099 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2510 GetRequests, 2309 SyntacticMatches, 9 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12841occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 9 AbstIntIterations, 5 AbstIntStrong, 0.9969188996173449 AbsIntWeakeningRatio, 0.2403598971722365 AbsIntAvgWeakeningVarsNumRemoved, 27.561696658097688 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1260 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 619 PreInvPairs, 973 NumberOfFragments, 1345 HoareAnnotationTreeSize, 619 FomulaSimplifications, 45586 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15711 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2728 NumberOfCodeBlocks, 2728 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3466 ConstructedInterpolants, 0 QuantifiedInterpolants, 1773441 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2203 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 21 InterpolantComputations, 6 PerfectInterpolantSequences, 2161/2447 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...