./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/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 cc0170d70ef5480c46fda2216609fae1210cf1eb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:55:23,801 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:55:23,802 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:55:23,808 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:55:23,808 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:55:23,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:55:23,809 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:55:23,810 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:55:23,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:55:23,811 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:55:23,812 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:55:23,812 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:55:23,812 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:55:23,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:55:23,813 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:55:23,814 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:55:23,814 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:55:23,815 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:55:23,816 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:55:23,817 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:55:23,817 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:55:23,818 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:55:23,819 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:55:23,819 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:55:23,819 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:55:23,820 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:55:23,820 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:55:23,821 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:55:23,821 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:55:23,822 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:55:23,822 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:55:23,822 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:55:23,822 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:55:23,822 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:55:23,823 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:55:23,823 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:55:23,823 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:55:23,830 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:55:23,830 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:55:23,831 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:55:23,831 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:55:23,831 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:55:23,831 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:55:23,831 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:55:23,831 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:55:23,832 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:55:23,832 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:55:23,832 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:55:23,832 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:55:23,832 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:55:23,832 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:55:23,832 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:55:23,833 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:55:23,833 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:55:23,833 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:55:23,833 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:55:23,833 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:55:23,833 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:55:23,833 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:55:23,833 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:55:23,834 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:55:23,834 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:55:23,834 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:55:23,834 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:55:23,834 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:55:23,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:55:23,834 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:55:23,835 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:55:23,835 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:55:23,835 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:55:23,835 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:55:23,835 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:55:23,835 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:55:23,835 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_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/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 -> cc0170d70ef5480c46fda2216609fae1210cf1eb [2018-12-02 08:55:23,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:55:23,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:55:23,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:55:23,865 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:55:23,865 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:55:23,865 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c [2018-12-02 08:55:23,904 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/data/0ddbfd32b/60ea8a42cd994a7da611200bf69965e8/FLAGde45d07dc [2018-12-02 08:55:24,296 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:55:24,296 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c [2018-12-02 08:55:24,305 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/data/0ddbfd32b/60ea8a42cd994a7da611200bf69965e8/FLAGde45d07dc [2018-12-02 08:55:24,673 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/data/0ddbfd32b/60ea8a42cd994a7da611200bf69965e8 [2018-12-02 08:55:24,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:55:24,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:55:24,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:55:24,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:55:24,682 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:55:24,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:55:24" (1/1) ... [2018-12-02 08:55:24,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f56f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:24, skipping insertion in model container [2018-12-02 08:55:24,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:55:24" (1/1) ... [2018-12-02 08:55:24,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:55:24,767 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:55:25,071 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:55:25,074 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:55:25,242 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:55:25,252 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:55:25,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25 WrapperNode [2018-12-02 08:55:25,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:55:25,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:55:25,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:55:25,253 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:55:25,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (1/1) ... [2018-12-02 08:55:25,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (1/1) ... [2018-12-02 08:55:25,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:55:25,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:55:25,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:55:25,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:55:25,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (1/1) ... [2018-12-02 08:55:25,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (1/1) ... [2018-12-02 08:55:25,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (1/1) ... [2018-12-02 08:55:25,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (1/1) ... [2018-12-02 08:55:25,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (1/1) ... [2018-12-02 08:55:25,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (1/1) ... [2018-12-02 08:55:25,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (1/1) ... [2018-12-02 08:55:25,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:55:25,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:55:25,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:55:25,339 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:55:25,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:55:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:55:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:55:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 08:55:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 08:55:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 08:55:25,373 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 08:55:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:55:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:55:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:55:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:55:26,685 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:55:26,686 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 08:55:26,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:26 BoogieIcfgContainer [2018-12-02 08:55:26,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:55:26,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:55:26,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:55:26,688 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:55:26,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:55:24" (1/3) ... [2018-12-02 08:55:26,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196240de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:55:26, skipping insertion in model container [2018-12-02 08:55:26,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:25" (2/3) ... [2018-12-02 08:55:26,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196240de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:55:26, skipping insertion in model container [2018-12-02 08:55:26,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:26" (3/3) ... [2018-12-02 08:55:26,690 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label13_true-unreach-call.c [2018-12-02 08:55:26,696 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:55:26,701 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:55:26,710 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:55:26,731 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:55:26,731 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:55:26,731 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:55:26,731 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:55:26,732 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:55:26,732 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:55:26,732 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:55:26,732 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:55:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 08:55:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 08:55:26,752 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:26,753 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:26,754 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:26,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:26,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1029807235, now seen corresponding path program 1 times [2018-12-02 08:55:26,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:26,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:26,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:26,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:26,788 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:55:26,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:55:26,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:55:26,927 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:26,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:55:26,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:55:26,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:55:26,940 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-02 08:55:28,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:28,001 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-02 08:55:28,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:55:28,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-12-02 08:55:28,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:28,015 INFO L225 Difference]: With dead ends: 1153 [2018-12-02 08:55:28,015 INFO L226 Difference]: Without dead ends: 682 [2018-12-02 08:55:28,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:55:28,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-02 08:55:28,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-02 08:55:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-02 08:55:28,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-02 08:55:28,077 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 62 [2018-12-02 08:55:28,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:28,077 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-02 08:55:28,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:55:28,078 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-02 08:55:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 08:55:28,080 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:28,080 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:55:28,081 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:28,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:28,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1750057103, now seen corresponding path program 1 times [2018-12-02 08:55:28,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:28,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:28,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:28,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:28,082 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:55:28,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:55:28,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 08:55:28,166 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:28,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 08:55:28,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 08:55:28,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 08:55:28,167 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-02 08:55:29,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:29,465 INFO L93 Difference]: Finished difference Result 2066 states and 3624 transitions. [2018-12-02 08:55:29,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:55:29,466 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-12-02 08:55:29,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:29,470 INFO L225 Difference]: With dead ends: 2066 [2018-12-02 08:55:29,471 INFO L226 Difference]: Without dead ends: 1390 [2018-12-02 08:55:29,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:55:29,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2018-12-02 08:55:29,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1372. [2018-12-02 08:55:29,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-02 08:55:29,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2268 transitions. [2018-12-02 08:55:29,500 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2268 transitions. Word has length 131 [2018-12-02 08:55:29,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:29,500 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2268 transitions. [2018-12-02 08:55:29,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 08:55:29,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2268 transitions. [2018-12-02 08:55:29,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 08:55:29,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:29,502 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:55:29,502 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:29,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:29,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1781549380, now seen corresponding path program 1 times [2018-12-02 08:55:29,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:29,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:29,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:29,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:29,503 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:55:29,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:55:29,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:55:29,606 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:29,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:55:29,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:55:29,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:55:29,606 INFO L87 Difference]: Start difference. First operand 1372 states and 2268 transitions. Second operand 6 states. [2018-12-02 08:55:30,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:30,892 INFO L93 Difference]: Finished difference Result 3472 states and 5791 transitions. [2018-12-02 08:55:30,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:55:30,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-12-02 08:55:30,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:30,902 INFO L225 Difference]: With dead ends: 3472 [2018-12-02 08:55:30,902 INFO L226 Difference]: Without dead ends: 2106 [2018-12-02 08:55:30,905 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:55:30,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2018-12-02 08:55:30,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2081. [2018-12-02 08:55:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-02 08:55:30,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3263 transitions. [2018-12-02 08:55:30,954 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3263 transitions. Word has length 160 [2018-12-02 08:55:30,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:30,954 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3263 transitions. [2018-12-02 08:55:30,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:55:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3263 transitions. [2018-12-02 08:55:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 08:55:30,957 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:30,957 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:55:30,958 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:30,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:30,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1787873856, now seen corresponding path program 1 times [2018-12-02 08:55:30,958 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:30,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:30,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:30,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:30,959 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:55:31,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:55:31,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:55:31,052 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:31,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:55:31,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:55:31,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:55:31,053 INFO L87 Difference]: Start difference. First operand 2081 states and 3263 transitions. Second operand 6 states. [2018-12-02 08:55:32,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:32,381 INFO L93 Difference]: Finished difference Result 5241 states and 8253 transitions. [2018-12-02 08:55:32,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:55:32,382 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 178 [2018-12-02 08:55:32,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:32,391 INFO L225 Difference]: With dead ends: 5241 [2018-12-02 08:55:32,391 INFO L226 Difference]: Without dead ends: 3166 [2018-12-02 08:55:32,394 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:55:32,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-12-02 08:55:32,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3140. [2018-12-02 08:55:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-12-02 08:55:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4128 transitions. [2018-12-02 08:55:32,433 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4128 transitions. Word has length 178 [2018-12-02 08:55:32,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:32,434 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4128 transitions. [2018-12-02 08:55:32,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:55:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4128 transitions. [2018-12-02 08:55:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-02 08:55:32,436 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:32,436 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:32,436 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:32,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:32,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1569357003, now seen corresponding path program 1 times [2018-12-02 08:55:32,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:32,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:32,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:32,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:32,437 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 121 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 08:55:32,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:32,548 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:55:32,549 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-12-02 08:55:32,551 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:55:32,579 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:55:32,579 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:55:32,804 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:55:32,805 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1261 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1261 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 08:55:32,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:32,810 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:55:33,062 INFO L227 lantSequenceWeakener]: Weakened 251 states. On average, predicates are now at 78.08% of their original sizes. [2018-12-02 08:55:33,063 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:55:33,077 INFO L418 sIntCurrentIteration]: We unified 259 AI predicates to 259 [2018-12-02 08:55:33,077 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:55:33,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:55:33,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-02 08:55:33,078 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:33,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:55:33,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:55:33,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:55:33,079 INFO L87 Difference]: Start difference. First operand 3140 states and 4128 transitions. Second operand 6 states. [2018-12-02 08:56:04,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:56:04,365 INFO L93 Difference]: Finished difference Result 6612 states and 8630 transitions. [2018-12-02 08:56:04,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 08:56:04,365 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 260 [2018-12-02 08:56:04,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:56:04,370 INFO L225 Difference]: With dead ends: 6612 [2018-12-02 08:56:04,370 INFO L226 Difference]: Without dead ends: 3478 [2018-12-02 08:56:04,373 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 260 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:56:04,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2018-12-02 08:56:04,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3477. [2018-12-02 08:56:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-12-02 08:56:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4473 transitions. [2018-12-02 08:56:04,410 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4473 transitions. Word has length 260 [2018-12-02 08:56:04,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:56:04,411 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4473 transitions. [2018-12-02 08:56:04,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:56:04,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4473 transitions. [2018-12-02 08:56:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-12-02 08:56:04,414 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:56:04,414 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:56:04,414 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:56:04,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:56:04,414 INFO L82 PathProgramCache]: Analyzing trace with hash -314338147, now seen corresponding path program 1 times [2018-12-02 08:56:04,415 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:56:04,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:04,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:56:04,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:56:04,415 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:56:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:56:04,598 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 235 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-02 08:56:04,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:56:04,599 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:56:04,599 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 352 with the following transitions: [2018-12-02 08:56:04,599 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:56:04,603 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:56:04,603 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:56:04,777 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:56:04,778 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4094 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 08:56:04,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:56:04,780 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:56:05,018 INFO L227 lantSequenceWeakener]: Weakened 348 states. On average, predicates are now at 80.62% of their original sizes. [2018-12-02 08:56:05,018 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:56:05,086 INFO L418 sIntCurrentIteration]: We unified 350 AI predicates to 350 [2018-12-02 08:56:05,086 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:56:05,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:56:05,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-02 08:56:05,086 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:56:05,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:56:05,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:56:05,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:56:05,087 INFO L87 Difference]: Start difference. First operand 3477 states and 4473 transitions. Second operand 10 states. [2018-12-02 08:57:01,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:57:01,008 INFO L93 Difference]: Finished difference Result 7683 states and 9934 transitions. [2018-12-02 08:57:01,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 08:57:01,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 351 [2018-12-02 08:57:01,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:57:01,016 INFO L225 Difference]: With dead ends: 7683 [2018-12-02 08:57:01,016 INFO L226 Difference]: Without dead ends: 4549 [2018-12-02 08:57:01,019 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 360 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 08:57:01,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-12-02 08:57:01,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4518. [2018-12-02 08:57:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-02 08:57:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5629 transitions. [2018-12-02 08:57:01,074 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5629 transitions. Word has length 351 [2018-12-02 08:57:01,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:57:01,074 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5629 transitions. [2018-12-02 08:57:01,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:57:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5629 transitions. [2018-12-02 08:57:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-12-02 08:57:01,080 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:57:01,080 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:57:01,080 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:57:01,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:01,080 INFO L82 PathProgramCache]: Analyzing trace with hash 518481461, now seen corresponding path program 1 times [2018-12-02 08:57:01,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:57:01,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:01,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:01,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:01,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:57:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:01,236 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 248 proven. 54 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-02 08:57:01,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:57:01,236 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:57:01,237 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 500 with the following transitions: [2018-12-02 08:57:01,237 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:57:01,240 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:57:01,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:57:01,525 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:57:01,525 INFO L272 AbstractInterpreter]: Visited 249 different actions 742 times. Merged at 7 different actions 17 times. Never widened. Performed 8383 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8383 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 08:57:01,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:01,527 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:57:01,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:57:01,527 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:57:01,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:01,534 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:57:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:01,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:57:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-02 08:57:01,730 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:57:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-02 08:57:01,833 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:57:01,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-02 08:57:01,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:57:01,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:57:01,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:57:01,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:57:01,834 INFO L87 Difference]: Start difference. First operand 4518 states and 5629 transitions. Second operand 3 states. [2018-12-02 08:57:02,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:57:02,644 INFO L93 Difference]: Finished difference Result 8693 states and 10913 transitions. [2018-12-02 08:57:02,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:57:02,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 499 [2018-12-02 08:57:02,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:57:02,651 INFO L225 Difference]: With dead ends: 8693 [2018-12-02 08:57:02,651 INFO L226 Difference]: Without dead ends: 4518 [2018-12-02 08:57:02,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1004 GetRequests, 999 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:57:02,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2018-12-02 08:57:02,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518. [2018-12-02 08:57:02,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-02 08:57:02,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5478 transitions. [2018-12-02 08:57:02,702 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5478 transitions. Word has length 499 [2018-12-02 08:57:02,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:57:02,703 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5478 transitions. [2018-12-02 08:57:02,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:57:02,703 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5478 transitions. [2018-12-02 08:57:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-12-02 08:57:02,709 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:57:02,709 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:57:02,709 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:57:02,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:02,709 INFO L82 PathProgramCache]: Analyzing trace with hash 747170973, now seen corresponding path program 1 times [2018-12-02 08:57:02,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:57:02,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:02,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:02,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:02,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:57:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 75 proven. 254 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 08:57:03,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:57:03,213 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:57:03,213 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 525 with the following transitions: [2018-12-02 08:57:03,213 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:57:03,216 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:57:03,216 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:57:03,432 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:57:03,433 INFO L272 AbstractInterpreter]: Visited 247 different actions 734 times. Merged at 6 different actions 13 times. Never widened. Performed 8255 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8255 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 08:57:03,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:03,435 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:57:03,741 INFO L227 lantSequenceWeakener]: Weakened 521 states. On average, predicates are now at 80.36% of their original sizes. [2018-12-02 08:57:03,741 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:57:03,781 INFO L418 sIntCurrentIteration]: We unified 523 AI predicates to 523 [2018-12-02 08:57:03,781 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:57:03,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:57:03,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-12-02 08:57:03,782 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:57:03,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:57:03,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:57:03,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:57:03,782 INFO L87 Difference]: Start difference. First operand 4518 states and 5478 transitions. Second operand 10 states. [2018-12-02 08:57:23,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:57:23,942 INFO L93 Difference]: Finished difference Result 10065 states and 12169 transitions. [2018-12-02 08:57:23,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 08:57:23,942 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 524 [2018-12-02 08:57:23,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:57:23,949 INFO L225 Difference]: With dead ends: 10065 [2018-12-02 08:57:23,949 INFO L226 Difference]: Without dead ends: 5890 [2018-12-02 08:57:23,952 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 533 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 08:57:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5890 states. [2018-12-02 08:57:24,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5890 to 5879. [2018-12-02 08:57:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2018-12-02 08:57:24,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 6985 transitions. [2018-12-02 08:57:24,007 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 6985 transitions. Word has length 524 [2018-12-02 08:57:24,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:57:24,007 INFO L480 AbstractCegarLoop]: Abstraction has 5879 states and 6985 transitions. [2018-12-02 08:57:24,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:57:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 6985 transitions. [2018-12-02 08:57:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2018-12-02 08:57:24,018 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:57:24,018 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:57:24,018 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:57:24,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:24,018 INFO L82 PathProgramCache]: Analyzing trace with hash -484220612, now seen corresponding path program 1 times [2018-12-02 08:57:24,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:57:24,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:24,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:24,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:24,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:57:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 459 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-02 08:57:24,256 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:57:24,256 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:57:24,256 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 662 with the following transitions: [2018-12-02 08:57:24,256 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:57:24,258 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:57:24,258 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:57:24,641 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:57:24,641 INFO L272 AbstractInterpreter]: Visited 250 different actions 998 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 11706 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11706 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 08:57:24,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:24,643 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:57:24,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:57:24,643 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:57:24,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:24,649 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:57:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:24,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:57:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 742 proven. 2 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-02 08:57:24,882 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:57:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 459 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-02 08:57:25,086 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:57:25,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 08:57:25,086 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:57:25,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:57:25,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:57:25,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:57:25,087 INFO L87 Difference]: Start difference. First operand 5879 states and 6985 transitions. Second operand 9 states. [2018-12-02 08:57:29,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:57:29,210 INFO L93 Difference]: Finished difference Result 13972 states and 17329 transitions. [2018-12-02 08:57:29,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 08:57:29,211 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 661 [2018-12-02 08:57:29,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:57:29,231 INFO L225 Difference]: With dead ends: 13972 [2018-12-02 08:57:29,231 INFO L226 Difference]: Without dead ends: 8436 [2018-12-02 08:57:29,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1343 GetRequests, 1325 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-02 08:57:29,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2018-12-02 08:57:29,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8412. [2018-12-02 08:57:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8412 states. [2018-12-02 08:57:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 10124 transitions. [2018-12-02 08:57:29,324 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 10124 transitions. Word has length 661 [2018-12-02 08:57:29,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:57:29,324 INFO L480 AbstractCegarLoop]: Abstraction has 8412 states and 10124 transitions. [2018-12-02 08:57:29,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:57:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 10124 transitions. [2018-12-02 08:57:29,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2018-12-02 08:57:29,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:57:29,334 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:57:29,334 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:57:29,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:29,334 INFO L82 PathProgramCache]: Analyzing trace with hash -364421937, now seen corresponding path program 1 times [2018-12-02 08:57:29,334 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:57:29,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:29,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:57:29,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:57:29,335 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:57:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 707 proven. 521 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-12-02 08:57:29,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:57:29,926 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:57:29,927 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 914 with the following transitions: [2018-12-02 08:57:29,927 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:57:29,930 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:57:29,930 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:57:30,163 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:57:30,164 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 4 different actions 7 times. Never widened. Performed 8951 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8951 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 08:57:30,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:30,166 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:57:30,573 INFO L227 lantSequenceWeakener]: Weakened 910 states. On average, predicates are now at 80.25% of their original sizes. [2018-12-02 08:57:30,573 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:57:30,626 INFO L418 sIntCurrentIteration]: We unified 912 AI predicates to 912 [2018-12-02 08:57:30,627 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:57:30,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:57:30,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-12-02 08:57:30,627 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:57:30,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:57:30,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:57:30,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:57:30,628 INFO L87 Difference]: Start difference. First operand 8412 states and 10124 transitions. Second operand 9 states. [2018-12-02 08:59:05,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:59:05,358 INFO L93 Difference]: Finished difference Result 16490 states and 19908 transitions. [2018-12-02 08:59:05,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 08:59:05,359 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 913 [2018-12-02 08:59:05,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:59:05,372 INFO L225 Difference]: With dead ends: 16490 [2018-12-02 08:59:05,372 INFO L226 Difference]: Without dead ends: 8421 [2018-12-02 08:59:05,381 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 919 GetRequests, 905 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 08:59:05,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8421 states. [2018-12-02 08:59:05,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8421 to 8414. [2018-12-02 08:59:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8414 states. [2018-12-02 08:59:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8414 states to 8414 states and 10119 transitions. [2018-12-02 08:59:05,461 INFO L78 Accepts]: Start accepts. Automaton has 8414 states and 10119 transitions. Word has length 913 [2018-12-02 08:59:05,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:59:05,462 INFO L480 AbstractCegarLoop]: Abstraction has 8414 states and 10119 transitions. [2018-12-02 08:59:05,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:59:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 8414 states and 10119 transitions. [2018-12-02 08:59:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2018-12-02 08:59:05,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:59:05,472 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:59:05,472 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:59:05,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:05,472 INFO L82 PathProgramCache]: Analyzing trace with hash -2059990858, now seen corresponding path program 1 times [2018-12-02 08:59:05,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:59:05,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:05,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:05,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:05,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:59:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:06,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 894 proven. 564 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2018-12-02 08:59:06,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:06,048 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:59:06,048 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 948 with the following transitions: [2018-12-02 08:59:06,048 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:59:06,050 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:59:06,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:59:06,436 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:59:06,436 INFO L272 AbstractInterpreter]: Visited 252 different actions 1011 times. Merged at 10 different actions 35 times. Never widened. Performed 11810 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11810 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 08:59:06,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:06,438 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:59:06,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:06,438 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:59:06,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:06,444 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:59:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:06,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:59:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 908 proven. 54 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2018-12-02 08:59:06,800 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:59:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 960 proven. 2 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2018-12-02 08:59:07,281 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:59:07,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2018-12-02 08:59:07,281 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:59:07,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:59:07,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:59:07,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-12-02 08:59:07,283 INFO L87 Difference]: Start difference. First operand 8414 states and 10119 transitions. Second operand 10 states. [2018-12-02 08:59:12,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:59:12,611 INFO L93 Difference]: Finished difference Result 21038 states and 25885 transitions. [2018-12-02 08:59:12,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-02 08:59:12,611 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 947 [2018-12-02 08:59:12,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:59:12,638 INFO L225 Difference]: With dead ends: 21038 [2018-12-02 08:59:12,638 INFO L226 Difference]: Without dead ends: 12233 [2018-12-02 08:59:12,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1940 GetRequests, 1907 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=215, Invalid=715, Unknown=0, NotChecked=0, Total=930 [2018-12-02 08:59:12,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12233 states. [2018-12-02 08:59:12,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12233 to 11183. [2018-12-02 08:59:12,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11183 states. [2018-12-02 08:59:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11183 states to 11183 states and 13003 transitions. [2018-12-02 08:59:12,773 INFO L78 Accepts]: Start accepts. Automaton has 11183 states and 13003 transitions. Word has length 947 [2018-12-02 08:59:12,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:59:12,774 INFO L480 AbstractCegarLoop]: Abstraction has 11183 states and 13003 transitions. [2018-12-02 08:59:12,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:59:12,774 INFO L276 IsEmpty]: Start isEmpty. Operand 11183 states and 13003 transitions. [2018-12-02 08:59:12,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2018-12-02 08:59:12,784 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:59:12,784 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 08:59:12,785 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:59:12,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:12,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1726779679, now seen corresponding path program 1 times [2018-12-02 08:59:12,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:59:12,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:12,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:12,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:12,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:59:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 966 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-12-02 08:59:13,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:13,281 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:59:13,281 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 986 with the following transitions: [2018-12-02 08:59:13,282 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:59:13,284 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:59:13,284 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:59:13,831 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:59:13,831 INFO L272 AbstractInterpreter]: Visited 251 different actions 1003 times. Merged at 9 different actions 31 times. Widened at 1 different actions 1 times. Performed 11790 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11790 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 08:59:13,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:13,834 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:59:13,834 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:13,835 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:59:13,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:13,841 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:59:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:13,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:59:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 966 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-12-02 08:59:14,207 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:59:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 966 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-12-02 08:59:14,584 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:59:14,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 08:59:14,584 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:59:14,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:59:14,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:59:14,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:59:14,586 INFO L87 Difference]: Start difference. First operand 11183 states and 13003 transitions. Second operand 9 states. [2018-12-02 08:59:18,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:59:18,016 INFO L93 Difference]: Finished difference Result 30973 states and 39966 transitions. [2018-12-02 08:59:18,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 08:59:18,017 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 985 [2018-12-02 08:59:18,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:59:18,066 INFO L225 Difference]: With dead ends: 30973 [2018-12-02 08:59:18,067 INFO L226 Difference]: Without dead ends: 15541 [2018-12-02 08:59:18,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1994 GetRequests, 1974 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2018-12-02 08:59:18,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15541 states. [2018-12-02 08:59:18,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15541 to 15259. [2018-12-02 08:59:18,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15259 states. [2018-12-02 08:59:18,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15259 states to 15259 states and 18058 transitions. [2018-12-02 08:59:18,335 INFO L78 Accepts]: Start accepts. Automaton has 15259 states and 18058 transitions. Word has length 985 [2018-12-02 08:59:18,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:59:18,336 INFO L480 AbstractCegarLoop]: Abstraction has 15259 states and 18058 transitions. [2018-12-02 08:59:18,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:59:18,336 INFO L276 IsEmpty]: Start isEmpty. Operand 15259 states and 18058 transitions. [2018-12-02 08:59:18,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2018-12-02 08:59:18,353 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:59:18,353 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:59:18,353 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:59:18,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:18,354 INFO L82 PathProgramCache]: Analyzing trace with hash 327969956, now seen corresponding path program 1 times [2018-12-02 08:59:18,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:59:18,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:18,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:18,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:18,354 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:59:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:19,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3750 backedges. 1410 proven. 2 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-12-02 08:59:19,049 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:19,049 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:59:19,049 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1256 with the following transitions: [2018-12-02 08:59:19,049 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:59:19,051 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:59:19,051 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:59:19,477 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:59:19,477 INFO L272 AbstractInterpreter]: Visited 254 different actions 1018 times. Merged at 11 different actions 34 times. Never widened. Performed 11922 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11922 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 08:59:19,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:19,478 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:59:19,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:19,478 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:59:19,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:19,489 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:59:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:19,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:59:20,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3750 backedges. 1410 proven. 2 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-12-02 08:59:20,081 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:59:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3750 backedges. 1410 proven. 2 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-12-02 08:59:20,619 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:59:20,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 08:59:20,620 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:59:20,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:59:20,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:59:20,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:59:20,621 INFO L87 Difference]: Start difference. First operand 15259 states and 18058 transitions. Second operand 9 states. [2018-12-02 08:59:23,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:59:23,170 INFO L93 Difference]: Finished difference Result 28944 states and 33851 transitions. [2018-12-02 08:59:23,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 08:59:23,170 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1255 [2018-12-02 08:59:23,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:59:23,196 INFO L225 Difference]: With dead ends: 28944 [2018-12-02 08:59:23,196 INFO L226 Difference]: Without dead ends: 13978 [2018-12-02 08:59:23,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2537 GetRequests, 2515 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-02 08:59:23,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13978 states. [2018-12-02 08:59:23,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13978 to 13471. [2018-12-02 08:59:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13471 states. [2018-12-02 08:59:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13471 states to 13471 states and 14492 transitions. [2018-12-02 08:59:23,358 INFO L78 Accepts]: Start accepts. Automaton has 13471 states and 14492 transitions. Word has length 1255 [2018-12-02 08:59:23,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:59:23,359 INFO L480 AbstractCegarLoop]: Abstraction has 13471 states and 14492 transitions. [2018-12-02 08:59:23,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:59:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 13471 states and 14492 transitions. [2018-12-02 08:59:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1353 [2018-12-02 08:59:23,375 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:59:23,375 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:59:23,375 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:59:23,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:23,376 INFO L82 PathProgramCache]: Analyzing trace with hash 656434981, now seen corresponding path program 1 times [2018-12-02 08:59:23,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:59:23,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:23,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:23,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:23,376 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:59:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 3330 trivial. 0 not checked. [2018-12-02 08:59:23,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:59:23,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 08:59:23,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:59:23,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 08:59:23,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 08:59:23,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:59:23,964 INFO L87 Difference]: Start difference. First operand 13471 states and 14492 transitions. Second operand 4 states. [2018-12-02 08:59:25,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:59:25,053 INFO L93 Difference]: Finished difference Result 23192 states and 25075 transitions. [2018-12-02 08:59:25,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 08:59:25,054 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1352 [2018-12-02 08:59:25,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:59:25,070 INFO L225 Difference]: With dead ends: 23192 [2018-12-02 08:59:25,070 INFO L226 Difference]: Without dead ends: 10363 [2018-12-02 08:59:25,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:59:25,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10363 states. [2018-12-02 08:59:25,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10363 to 10363. [2018-12-02 08:59:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10363 states. [2018-12-02 08:59:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10363 states to 10363 states and 11050 transitions. [2018-12-02 08:59:25,182 INFO L78 Accepts]: Start accepts. Automaton has 10363 states and 11050 transitions. Word has length 1352 [2018-12-02 08:59:25,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:59:25,183 INFO L480 AbstractCegarLoop]: Abstraction has 10363 states and 11050 transitions. [2018-12-02 08:59:25,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 08:59:25,183 INFO L276 IsEmpty]: Start isEmpty. Operand 10363 states and 11050 transitions. [2018-12-02 08:59:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1471 [2018-12-02 08:59:25,201 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:59:25,201 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 08:59:25,201 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:59:25,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:25,201 INFO L82 PathProgramCache]: Analyzing trace with hash 362022532, now seen corresponding path program 1 times [2018-12-02 08:59:25,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:59:25,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:25,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:25,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:25,202 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:59:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4974 backedges. 1666 proven. 2 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2018-12-02 08:59:26,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:26,104 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:59:26,104 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1471 with the following transitions: [2018-12-02 08:59:26,104 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:59:26,106 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:59:26,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:59:26,616 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:59:26,616 INFO L272 AbstractInterpreter]: Visited 255 different actions 1022 times. Merged at 11 different actions 34 times. Never widened. Performed 11967 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11967 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 08:59:26,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:26,618 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:59:26,618 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:26,618 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:59:26,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:26,624 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:59:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:26,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:59:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4974 backedges. 1666 proven. 2 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2018-12-02 08:59:27,362 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:59:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4974 backedges. 1666 proven. 2 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2018-12-02 08:59:28,073 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:59:28,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-02 08:59:28,073 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:59:28,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:59:28,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:59:28,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:59:28,074 INFO L87 Difference]: Start difference. First operand 10363 states and 11050 transitions. Second operand 10 states. [2018-12-02 08:59:30,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:59:30,041 INFO L93 Difference]: Finished difference Result 21759 states and 23234 transitions. [2018-12-02 08:59:30,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 08:59:30,042 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1470 [2018-12-02 08:59:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:59:30,057 INFO L225 Difference]: With dead ends: 21759 [2018-12-02 08:59:30,057 INFO L226 Difference]: Without dead ends: 11739 [2018-12-02 08:59:30,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2961 GetRequests, 2942 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-02 08:59:30,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11739 states. [2018-12-02 08:59:30,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11739 to 11733. [2018-12-02 08:59:30,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11733 states. [2018-12-02 08:59:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11733 states to 11733 states and 12269 transitions. [2018-12-02 08:59:30,170 INFO L78 Accepts]: Start accepts. Automaton has 11733 states and 12269 transitions. Word has length 1470 [2018-12-02 08:59:30,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:59:30,171 INFO L480 AbstractCegarLoop]: Abstraction has 11733 states and 12269 transitions. [2018-12-02 08:59:30,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:59:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 11733 states and 12269 transitions. [2018-12-02 08:59:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1668 [2018-12-02 08:59:30,190 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:59:30,190 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:59:30,190 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:59:30,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:30,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1357844290, now seen corresponding path program 1 times [2018-12-02 08:59:30,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:59:30,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:30,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:30,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:30,191 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:59:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 1669 proven. 158 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2018-12-02 08:59:31,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:31,189 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:59:31,189 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1668 with the following transitions: [2018-12-02 08:59:31,190 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:59:31,192 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:59:31,192 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:59:31,632 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:59:31,632 INFO L272 AbstractInterpreter]: Visited 271 different actions 1088 times. Merged at 12 different actions 36 times. Never widened. Performed 12913 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12913 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 08:59:31,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:31,633 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:59:31,633 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:31,633 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:59:31,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:31,640 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:59:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:31,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:59:32,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 2891 proven. 2 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2018-12-02 08:59:32,473 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:59:33,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 1669 proven. 158 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2018-12-02 08:59:33,294 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:59:33,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 08:59:33,295 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:59:33,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:59:33,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:59:33,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:59:33,296 INFO L87 Difference]: Start difference. First operand 11733 states and 12269 transitions. Second operand 9 states. [2018-12-02 08:59:34,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:59:34,461 INFO L93 Difference]: Finished difference Result 20991 states and 21850 transitions. [2018-12-02 08:59:34,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 08:59:34,461 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1667 [2018-12-02 08:59:34,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:59:34,472 INFO L225 Difference]: With dead ends: 20991 [2018-12-02 08:59:34,472 INFO L226 Difference]: Without dead ends: 11298 [2018-12-02 08:59:34,481 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3351 GetRequests, 3335 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-02 08:59:34,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11298 states. [2018-12-02 08:59:34,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11298 to 10941. [2018-12-02 08:59:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10941 states. [2018-12-02 08:59:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10941 states to 10941 states and 11188 transitions. [2018-12-02 08:59:34,558 INFO L78 Accepts]: Start accepts. Automaton has 10941 states and 11188 transitions. Word has length 1667 [2018-12-02 08:59:34,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:59:34,559 INFO L480 AbstractCegarLoop]: Abstraction has 10941 states and 11188 transitions. [2018-12-02 08:59:34,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:59:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 10941 states and 11188 transitions. [2018-12-02 08:59:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1807 [2018-12-02 08:59:34,575 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:59:34,575 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:59:34,575 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:59:34,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:34,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1469099084, now seen corresponding path program 1 times [2018-12-02 08:59:34,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:59:34,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:34,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:34,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:34,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:59:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:37,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 2478 proven. 1143 refuted. 0 times theorem prover too weak. 2816 trivial. 0 not checked. [2018-12-02 08:59:37,494 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:37,494 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:59:37,494 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1807 with the following transitions: [2018-12-02 08:59:37,494 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:59:37,498 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:59:37,498 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:59:38,159 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:59:38,159 INFO L272 AbstractInterpreter]: Visited 353 different actions 1410 times. Merged at 11 different actions 39 times. Never widened. Performed 17383 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17383 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 08:59:38,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:38,161 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:59:38,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:38,161 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:59:38,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:38,167 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:59:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:38,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:59:39,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 2588 proven. 2 refuted. 0 times theorem prover too weak. 3847 trivial. 0 not checked. [2018-12-02 08:59:39,388 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:59:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 583 proven. 2423 refuted. 0 times theorem prover too weak. 3431 trivial. 0 not checked. [2018-12-02 08:59:41,548 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:59:41,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-12-02 08:59:41,549 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:59:41,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-02 08:59:41,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-02 08:59:41,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2018-12-02 08:59:41,550 INFO L87 Difference]: Start difference. First operand 10941 states and 11188 transitions. Second operand 20 states. [2018-12-02 08:59:48,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:59:48,427 INFO L93 Difference]: Finished difference Result 20247 states and 20768 transitions. [2018-12-02 08:59:48,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-02 08:59:48,428 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1806 [2018-12-02 08:59:48,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:59:48,445 INFO L225 Difference]: With dead ends: 20247 [2018-12-02 08:59:48,445 INFO L226 Difference]: Without dead ends: 11346 [2018-12-02 08:59:48,455 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3701 GetRequests, 3635 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1049 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=770, Invalid=3390, Unknown=0, NotChecked=0, Total=4160 [2018-12-02 08:59:48,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11346 states. [2018-12-02 08:59:48,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11346 to 11290. [2018-12-02 08:59:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11290 states. [2018-12-02 08:59:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11290 states to 11290 states and 11525 transitions. [2018-12-02 08:59:48,543 INFO L78 Accepts]: Start accepts. Automaton has 11290 states and 11525 transitions. Word has length 1806 [2018-12-02 08:59:48,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:59:48,544 INFO L480 AbstractCegarLoop]: Abstraction has 11290 states and 11525 transitions. [2018-12-02 08:59:48,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-02 08:59:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 11290 states and 11525 transitions. [2018-12-02 08:59:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1968 [2018-12-02 08:59:48,562 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:59:48,563 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:59:48,563 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:59:48,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:48,563 INFO L82 PathProgramCache]: Analyzing trace with hash -621095520, now seen corresponding path program 1 times [2018-12-02 08:59:48,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:59:48,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:48,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:48,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:48,564 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:59:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 2082 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-02 08:59:49,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:49,994 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:59:49,994 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1968 with the following transitions: [2018-12-02 08:59:49,995 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:59:49,997 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:59:49,997 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:59:50,834 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:59:50,835 INFO L272 AbstractInterpreter]: Visited 290 different actions 1161 times. Merged at 11 different actions 33 times. Never widened. Performed 13974 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13974 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 08:59:50,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:50,836 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:59:50,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:50,836 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:59:50,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:50,843 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:59:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:51,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:59:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 2082 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-02 08:59:51,931 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:59:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 2082 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-12-02 08:59:53,176 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:59:53,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-02 08:59:53,176 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:59:53,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:59:53,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:59:53,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:59:53,178 INFO L87 Difference]: Start difference. First operand 11290 states and 11525 transitions. Second operand 7 states. [2018-12-02 08:59:55,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:59:55,064 INFO L93 Difference]: Finished difference Result 23942 states and 24528 transitions. [2018-12-02 08:59:55,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 08:59:55,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1967 [2018-12-02 08:59:55,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:59:55,079 INFO L225 Difference]: With dead ends: 23942 [2018-12-02 08:59:55,079 INFO L226 Difference]: Without dead ends: 15039 [2018-12-02 08:59:55,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3947 GetRequests, 3935 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-12-02 08:59:55,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15039 states. [2018-12-02 08:59:55,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15039 to 14351. [2018-12-02 08:59:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14351 states. [2018-12-02 08:59:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14351 states to 14351 states and 14681 transitions. [2018-12-02 08:59:55,200 INFO L78 Accepts]: Start accepts. Automaton has 14351 states and 14681 transitions. Word has length 1967 [2018-12-02 08:59:55,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:59:55,201 INFO L480 AbstractCegarLoop]: Abstraction has 14351 states and 14681 transitions. [2018-12-02 08:59:55,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:59:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 14351 states and 14681 transitions. [2018-12-02 08:59:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2015 [2018-12-02 08:59:55,224 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:59:55,225 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:59:55,225 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:59:55,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:55,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1039658133, now seen corresponding path program 1 times [2018-12-02 08:59:55,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:59:55,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:55,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:55,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:59:55,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:59:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 1381 proven. 961 refuted. 0 times theorem prover too weak. 5415 trivial. 0 not checked. [2018-12-02 08:59:57,623 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:57,623 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:59:57,623 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2015 with the following transitions: [2018-12-02 08:59:57,623 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 08:59:57,625 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:59:57,625 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:59:58,447 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:59:58,447 INFO L272 AbstractInterpreter]: Visited 290 different actions 1162 times. Merged at 11 different actions 34 times. Never widened. Performed 13989 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13989 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-12-02 08:59:58,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:59:58,450 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:59:58,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:59:58,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:59:58,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:59:58,456 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:59:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:59:58,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:59:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 5104 proven. 2 refuted. 0 times theorem prover too weak. 2651 trivial. 0 not checked. [2018-12-02 08:59:59,935 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 09:00:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 1423 proven. 885 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2018-12-02 09:00:02,780 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 09:00:02,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-12-02 09:00:02,781 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 09:00:02,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 09:00:02,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 09:00:02,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-12-02 09:00:02,782 INFO L87 Difference]: Start difference. First operand 14351 states and 14681 transitions. Second operand 16 states. [2018-12-02 09:00:10,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 09:00:10,393 INFO L93 Difference]: Finished difference Result 28732 states and 29501 transitions. [2018-12-02 09:00:10,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-02 09:00:10,394 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 2014 [2018-12-02 09:00:10,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 09:00:10,395 INFO L225 Difference]: With dead ends: 28732 [2018-12-02 09:00:10,395 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 09:00:10,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4123 GetRequests, 4062 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=603, Invalid=2819, Unknown=0, NotChecked=0, Total=3422 [2018-12-02 09:00:10,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 09:00:10,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 09:00:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 09:00:10,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 09:00:10,416 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2014 [2018-12-02 09:00:10,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 09:00:10,417 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 09:00:10,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 09:00:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 09:00:10,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 09:00:10,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 09:00:10,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:10,867 WARN L180 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 332 [2018-12-02 09:00:11,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 09:00:11,675 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 393 [2018-12-02 09:00:12,704 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 321 DAG size of output: 98 [2018-12-02 09:00:14,232 WARN L180 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 357 DAG size of output: 95 [2018-12-02 09:00:15,794 WARN L180 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 371 DAG size of output: 110 [2018-12-02 09:00:17,412 WARN L180 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 379 DAG size of output: 119 [2018-12-02 09:00:19,525 WARN L180 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 382 DAG size of output: 97 [2018-12-02 09:00:19,526 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,527 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse2 (= 8 |old(~a12~0)|))) (let ((.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= 6 |old(~a12~0)|)) (.cse1 (= 4 |old(~a15~0)|)) (.cse4 (not (= 3 |old(~a15~0)|))) (.cse8 (<= |old(~a18~0)| 134)) (.cse10 (not .cse2)) (.cse9 (< 0 (+ |old(~a18~0)| 79))) (.cse22 (= |old(~a15~0)| ~a15~0)) (.cse7 (= |old(~a12~0)| ~a12~0))) (let ((.cse0 (not (= 8 |old(~a16~0)|))) (.cse3 (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) .cse22 .cse7)) (.cse21 (not (= 11 |old(~a16~0)|))) (.cse13 (and (or .cse4 .cse8 .cse10) .cse9)) (.cse16 (not (= |old(~a15~0)| 3))) (.cse12 (not (= 5 |old(~a12~0)|))) (.cse11 (not .cse1)) (.cse17 (not .cse19)) (.cse15 (not (= 9 |old(~a16~0)|))) (.cse20 (< |old(~a12~0)| 6)) (.cse18 (< |old(~a16~0)| 12)) (.cse14 (and .cse22 .cse5 .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (and .cse5 (= 3 ~a15~0) .cse6 .cse7) (and .cse8 .cse9) .cse10) (or .cse11 .cse12 .cse13 .cse14 .cse15) (or .cse16 .cse14 .cse17 .cse18) (or .cse19 .cse20 .cse16 .cse21 .cse14) (or .cse1 .cse3 (not (= |old(~a16~0)| 10))) (or .cse11 .cse14 .cse10 .cse15) (or .cse11 .cse0 .cse12 .cse14) (or (or .cse11 (not (= 7 |old(~a12~0)|)) .cse15) .cse14) (or .cse11 .cse0 .cse20 .cse14) (or .cse11 (and .cse22 .cse6 (= ~a16~0 10) .cse7) (not (= 10 |old(~a16~0)|)) (< 7 |old(~a12~0)|)) (or .cse11 .cse20 .cse13 .cse14 .cse15) (or .cse12 .cse21 .cse16 (and .cse5 .cse6 (= ~a12~0 5) .cse22)) (or .cse19 .cse1 .cse3 .cse15) (or .cse21 .cse13 .cse16 .cse14 .cse17) (or .cse14 (or .cse4 .cse12 .cse18)) (or .cse11 .cse14 .cse17 .cse15) (or .cse20 (or .cse19 .cse1 .cse18) .cse14))))) [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 09:00:19,528 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 09:00:19,529 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse13 (= 8 |old(~a12~0)|))) (let ((.cse15 (not (= 3 |old(~a15~0)|))) (.cse17 (<= |old(~a18~0)| 134)) (.cse19 (not .cse13)) (.cse18 (< 0 (+ |old(~a18~0)| 79))) (.cse12 (= 4 |old(~a15~0)|)) (.cse4 (= |old(~a15~0)| ~a15~0)) (.cse1 (not (= calculate_output_~input 0))) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= ~a18~0 |old(~a18~0)|)) (.cse16 (= |old(~a12~0)| ~a12~0)) (.cse24 (= 6 |old(~a12~0)|))) (let ((.cse10 (not .cse24)) (.cse5 (not (= 11 |old(~a16~0)|))) (.cse7 (not (= |old(~a15~0)| 3))) (.cse8 (and .cse4 .cse1 .cse2 .cse3 .cse16)) (.cse11 (not (= 8 |old(~a16~0)|))) (.cse26 (= calculate_output_~input 4)) (.cse23 (not .cse12)) (.cse9 (and (or .cse15 .cse17 .cse19) .cse18)) (.cse14 (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) .cse4 .cse16)) (.cse22 (not (= 9 |old(~a16~0)|))) (.cse25 (< |old(~a12~0)| 6)) (.cse21 (< |old(~a16~0)| 12)) (.cse20 (and .cse4 .cse2 .cse3 .cse16)) (.cse0 (not (= 5 |old(~a12~0)|))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse27 (not (= 10 |old(~a16~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~a12~0 5) .cse4) .cse5 .cse6 .cse7) (or .cse6 .cse5 .cse8 .cse9 .cse7 .cse10) (or .cse11 .cse12 .cse13 .cse14) (or .cse11 .cse15 (and .cse2 (= 3 ~a15~0) .cse3 .cse16) (and .cse17 .cse18) .cse19) (or .cse7 .cse20 .cse10 .cse21) (or .cse15 .cse0 .cse1 .cse6 .cse22) (or (or .cse0 .cse7 .cse21 .cse6) (and .cse4 .cse2 .cse1 .cse3 .cse16)) (or .cse23 .cse10 .cse20 .cse22) (or .cse12 .cse14 (not (= |old(~a16~0)| 10))) (or .cse23 .cse11 .cse0 .cse20) (or .cse5 .cse6 .cse24 .cse25 .cse7 .cse8) (or .cse1 .cse6 (or .cse11 .cse15 .cse0)) (or (or .cse23 (not (= 7 |old(~a12~0)|)) .cse22) .cse20) (or .cse23 .cse11 .cse25 .cse20) (or .cse0 (not .cse26) (or .cse23 (< 0 (+ |old(~a18~0)| 388559))) .cse22) (or .cse23 .cse0 .cse9 (and (<= (+ |old(~a18~0)| 156) 0) .cse26) .cse20 .cse22) (or .cse23 .cse19 .cse20 .cse22) (or .cse23 (and .cse4 .cse3 (= ~a16~0 10) .cse16) .cse27 (< 7 |old(~a12~0)|)) (or .cse23 .cse25 .cse9 .cse20 .cse22) (or .cse24 .cse12 .cse14 .cse22) (or .cse25 (or .cse24 .cse12 .cse21) .cse20) (or .cse15 .cse0 .cse1 .cse6 .cse27))))) [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,530 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 09:00:19,531 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,532 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 09:00:19,533 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,534 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse6 (= 8 |old(~a12~0)|))) (let ((.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a18~0 |old(~a18~0)|)) (.cse10 (= 6 |old(~a12~0)|)) (.cse5 (= 4 |old(~a15~0)|)) (.cse13 (not (= 3 |old(~a15~0)|))) (.cse17 (<= |old(~a18~0)| 134)) (.cse19 (not .cse6)) (.cse18 (< 0 (+ |old(~a18~0)| 79))) (.cse22 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0))) (let ((.cse4 (not (= 8 |old(~a16~0)|))) (.cse0 (not (= 5 |old(~a12~0)|))) (.cse7 (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) .cse22 .cse16)) (.cse9 (= |calculate_output_#in~input| 0)) (.cse8 (not (= 11 |old(~a16~0)|))) (.cse23 (and (or .cse13 .cse17 .cse19) .cse18)) (.cse12 (not (= |old(~a15~0)| 3))) (.cse1 (not .cse5)) (.cse20 (not .cse10)) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse11 (< |old(~a12~0)| 6)) (.cse21 (< |old(~a16~0)| 12)) (.cse2 (and .cse22 .cse14 .cse15 .cse16))) (and (or .cse0 (or .cse1 (< 0 (+ |old(~a18~0)| 388559))) .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse2 .cse11 .cse12) (or .cse4 .cse13 (and .cse14 (= 3 ~a15~0) .cse15 .cse16) (and .cse17 .cse18) .cse19) (or .cse12 .cse2 .cse20 .cse21) (or .cse5 .cse7 (not (= |old(~a16~0)| 10))) (or .cse1 .cse2 .cse19 .cse3) (or .cse2 (or .cse0 .cse12 .cse21 .cse9)) (or .cse1 .cse4 .cse0 .cse2) (or (or .cse1 (not (= 7 |old(~a12~0)|)) .cse3) .cse2) (or .cse1 .cse4 .cse11 .cse2) (or .cse0 .cse8 .cse9 .cse12 (and .cse14 .cse15 (= ~a12~0 5) .cse22)) (or .cse1 .cse0 .cse23 (and (<= (+ |old(~a18~0)| 156) 0) (= calculate_output_~input 4)) .cse2 .cse3) (or .cse1 (and .cse22 .cse15 (= ~a16~0 10) .cse16) (not (= 10 |old(~a16~0)|)) (< 7 |old(~a12~0)|)) (or .cse1 .cse11 .cse23 .cse2 .cse3) (or .cse10 .cse5 .cse7 .cse3) (or .cse9 .cse2 .cse8 .cse23 .cse12 .cse20) (or .cse1 .cse2 .cse20 .cse3) (or .cse11 (or .cse10 .cse5 .cse21) .cse2))))) [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,535 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,536 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 09:00:19,537 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,538 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,539 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,540 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,541 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,542 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-02 09:00:19,543 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse18 (<= (+ ~a18~0 79) 0)) (.cse16 (= 8 ~a12~0)) (.cse17 (= ~a15~0 3)) (.cse19 (< 134 ~a18~0)) (.cse10 (not (= ~a12~0 6))) (.cse15 (not (= ~a15~0 4)))) (let ((.cse11 (= |old(~a15~0)| ~a15~0)) (.cse6 (= 5 ~a12~0)) (.cse3 (and (= |old(~a15~0)| 3) (and .cse10 .cse15 (not (= ~a16~0 12))))) (.cse4 (= ~a16~0 10)) (.cse1 (= 6 ~a12~0)) (.cse8 (< 0 (+ ~a18~0 156))) (.cse12 (= ~a16~0 11)) (.cse0 (= 9 ~a16~0)) (.cse7 (or .cse18 (and .cse16 .cse17 .cse19))) (.cse2 (= 4 ~a15~0)) (.cse13 (<= 6 ~a12~0)) (.cse14 (<= 12 ~a16~0)) (.cse9 (not (= main_~input~0 0))) (.cse5 (= 8 ~a16~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse3) (and .cse4 (<= ~a12~0 7)) (and .cse5 .cse6) (and .cse6 .cse7 .cse0 .cse8) (and .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse9 .cse11 (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0)) (and (and .cse14 .cse10 .cse15) .cse13) (not (= 5 |old(~a12~0)|)) (and .cse16 .cse0) (and .cse1 .cse14 .cse11) (and (and .cse0 (<= (+ ~a18~0 388559) 0)) .cse6) (and .cse3 .cse4) (and .cse5 .cse15 (not (= ~a12~0 8))) (and (= 7 ~a12~0) .cse0) (and .cse1 .cse9 .cse7 .cse8 (and .cse12 .cse17)) (and .cse0 .cse2 .cse7 .cse13) (and .cse5 .cse2 .cse13) (and .cse14 .cse9 .cse17 (= ~a12~0 5)) (and (= 3 ~a15~0) .cse5 (or .cse18 .cse19))))) [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-02 09:00:19,543 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-02 09:00:19,544 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse17 (<= (+ ~a18~0 79) 0)) (.cse16 (= 8 ~a12~0)) (.cse4 (= ~a15~0 3)) (.cse18 (< 134 ~a18~0)) (.cse9 (not (= ~a12~0 6))) (.cse15 (not (= ~a15~0 4)))) (let ((.cse3 (= ~a16~0 11)) (.cse2 (< 0 (+ ~a18~0 156))) (.cse0 (= 6 ~a12~0)) (.cse5 (= |old(~a15~0)| ~a15~0)) (.cse13 (= 5 ~a12~0)) (.cse8 (and (= |old(~a15~0)| 3) (and .cse9 .cse15 (not (= ~a16~0 12))))) (.cse11 (= ~a16~0 10)) (.cse6 (= 9 ~a16~0)) (.cse1 (or .cse17 (and .cse16 .cse4 .cse18))) (.cse7 (= 4 ~a15~0)) (.cse10 (<= 6 ~a12~0)) (.cse14 (<= 12 ~a16~0)) (.cse12 (= 8 ~a16~0))) (or (and .cse0 .cse1 .cse2 (and .cse3 .cse4)) (not (= 11 |old(~a16~0)|)) (and .cse5 (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0)) (and .cse6 .cse0 .cse7) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse6 .cse8) (and (and .cse3 .cse9 .cse4) .cse10) (and .cse11 (<= ~a12~0 7)) (and .cse12 .cse13) (and .cse13 .cse1 .cse6 .cse2) (and (and .cse14 .cse9 .cse15) .cse10) (not (= 5 |old(~a12~0)|)) (and .cse16 .cse6) (and .cse0 .cse14 .cse5) (and (and .cse6 (<= (+ ~a18~0 388559) 0)) .cse13) (and .cse8 .cse11) (and .cse12 .cse15 (not (= ~a12~0 8))) (and (= 7 ~a12~0) .cse6) (and .cse6 .cse7 .cse1 .cse10) (and .cse12 .cse7 .cse10) (and .cse14 (and .cse4 (= ~a12~0 5))) (and (= 3 ~a15~0) .cse12 (or .cse17 .cse18))))) [2018-12-02 09:00:19,544 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 09:00:19,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:00:19 BoogieIcfgContainer [2018-12-02 09:00:19,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 09:00:19,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 09:00:19,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 09:00:19,553 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 09:00:19,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:26" (3/4) ... [2018-12-02 09:00:19,555 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 09:00:19,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 09:00:19,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 09:00:19,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 09:00:19,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 09:00:19,571 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 09:00:19,572 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 09:00:19,591 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((6 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 0 < a18 + 156) && a16 == 11 && a15 == 3) || !(11 == \old(a16))) || ((\old(a15) == a15 && a16 == \old(a16)) && \old(a12) == a12)) || ((9 == a16 && 6 == a12) && 4 == a15)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (9 == a16 && \old(a15) == 3 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (((a16 == 11 && !(a12 == 6)) && a15 == 3) && 6 <= a12)) || (a16 == 10 && a12 <= 7)) || (8 == a16 && 5 == a12)) || (((5 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 9 == a16) && 0 < a18 + 156)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || !(5 == \old(a12))) || (8 == a12 && 9 == a16)) || ((6 == a12 && 12 <= a16) && \old(a15) == a15)) || ((9 == a16 && a18 + 388559 <= 0) && 5 == a12)) || ((\old(a15) == 3 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || (7 == a12 && 9 == a16)) || (((9 == a16 && 4 == a15) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 6 <= a12)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || (12 <= a16 && a15 == 3 && a12 == 5)) || ((3 == a15 && 8 == a16) && (a18 + 79 <= 0 || 134 < a18)) [2018-12-02 09:00:19,687 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ea51aa24-c214-4e46-9063-bf12eb1b9dc8/bin-2019/utaipan/witness.graphml [2018-12-02 09:00:19,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 09:00:19,688 INFO L168 Benchmark]: Toolchain (without parser) took 295011.57 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 939.0 MB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-12-02 09:00:19,688 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 09:00:19,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 939.0 MB in the beginning and 1.0 GB in the end (delta: -98.2 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:00:19,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-02 09:00:19,689 INFO L168 Benchmark]: Boogie Preprocessor took 61.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-12-02 09:00:19,689 INFO L168 Benchmark]: RCFGBuilder took 1346.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 779.3 MB in the end (delta: 241.9 MB). Peak memory consumption was 241.9 MB. Max. memory is 11.5 GB. [2018-12-02 09:00:19,689 INFO L168 Benchmark]: TraceAbstraction took 292865.74 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 779.3 MB in the beginning and 2.8 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. [2018-12-02 09:00:19,689 INFO L168 Benchmark]: Witness Printer took 134.84 ms. Allocated memory is still 5.3 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2018-12-02 09:00:19,690 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 573.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 939.0 MB in the beginning and 1.0 GB in the end (delta: -98.2 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1346.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 779.3 MB in the end (delta: 241.9 MB). Peak memory consumption was 241.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 292865.74 ms. Allocated memory was 1.1 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 779.3 MB in the beginning and 2.8 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. * Witness Printer took 134.84 ms. Allocated memory is still 5.3 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((6 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 0 < a18 + 156) && a16 == 11 && a15 == 3) || !(11 == \old(a16))) || ((\old(a15) == a15 && a16 == \old(a16)) && \old(a12) == a12)) || ((9 == a16 && 6 == a12) && 4 == a15)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (9 == a16 && \old(a15) == 3 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12))) || (((a16 == 11 && !(a12 == 6)) && a15 == 3) && 6 <= a12)) || (a16 == 10 && a12 <= 7)) || (8 == a16 && 5 == a12)) || (((5 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 9 == a16) && 0 < a18 + 156)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || !(5 == \old(a12))) || (8 == a12 && 9 == a16)) || ((6 == a12 && 12 <= a16) && \old(a15) == a15)) || ((9 == a16 && a18 + 388559 <= 0) && 5 == a12)) || ((\old(a15) == 3 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && a16 == 10)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || (7 == a12 && 9 == a16)) || (((9 == a16 && 4 == a15) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 6 <= a12)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || (12 <= a16 && a15 == 3 && a12 == 5)) || ((3 == a15 && 8 == a16) && (a18 + 79 <= 0 || 134 < a18)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 292.8s OverallTime, 19 OverallIterations, 11 TraceHistogramMax, 244.3s AutomataDifference, 0.0s DeadEndRemovalTime, 9.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2443 SDtfs, 37542 SDslu, 2411 SDs, 0 SdLazy, 72990 SolverSat, 8690 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 218.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 29012 GetRequests, 28657 SyntacticMatches, 28 SemanticMatches, 327 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2572 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15259occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.2s AbstIntTime, 14 AbstIntIterations, 4 AbstIntStrong, 0.9980285672179576 AbsIntWeakeningRatio, 0.06262230919765166 AbsIntAvgWeakeningVarsNumRemoved, 15.816046966731898 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 3089 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1989 PreInvPairs, 2346 NumberOfFragments, 2466 HoareAnnotationTreeSize, 1989 FomulaSimplifications, 81316 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 61998 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 30473 NumberOfCodeBlocks, 30473 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 43705 ConstructedInterpolants, 0 QuantifiedInterpolants, 165655700 SizeOfPredicates, 8 NumberOfNonLiveVariables, 17301 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 39 InterpolantComputations, 7 PerfectInterpolantSequences, 124682/132290 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...