./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/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 4facd755ec6bf0af5c404932d2a8a73ce9edcfbd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:54:40,745 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:54:40,747 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:54:40,753 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:54:40,753 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:54:40,754 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:54:40,755 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:54:40,756 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:54:40,757 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:54:40,758 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:54:40,758 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:54:40,759 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:54:40,759 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:54:40,760 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:54:40,761 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:54:40,761 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:54:40,762 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:54:40,763 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:54:40,764 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:54:40,765 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:54:40,766 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:54:40,767 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:54:40,769 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:54:40,769 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:54:40,769 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:54:40,770 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:54:40,770 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:54:40,771 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:54:40,771 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:54:40,772 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:54:40,772 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:54:40,773 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:54:40,773 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:54:40,773 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:54:40,773 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:54:40,774 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:54:40,774 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:54:40,784 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:54:40,785 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:54:40,785 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:54:40,785 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:54:40,785 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:54:40,786 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:54:40,786 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:54:40,786 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:54:40,786 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:54:40,786 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:54:40,786 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:54:40,787 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:54:40,787 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:54:40,787 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:54:40,787 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:54:40,788 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:54:40,788 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:54:40,788 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:54:40,788 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:54:40,788 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:54:40,788 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:54:40,788 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:54:40,789 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:54:40,789 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:54:40,789 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:54:40,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:54:40,789 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:54:40,789 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:54:40,790 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:54:40,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:54:40,790 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:54:40,790 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:54:40,790 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:54:40,790 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:54:40,790 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:54:40,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:54:40,791 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:54:40,791 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_974d07a7-2a9e-4db0-805d-28891ad7c8d3/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 -> 4facd755ec6bf0af5c404932d2a8a73ce9edcfbd [2018-11-18 10:54:40,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:54:40,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:54:40,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:54:40,827 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:54:40,827 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:54:40,828 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c [2018-11-18 10:54:40,872 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/data/e6c00cd84/568fea9c0ec342cc87c8f44bc8be3147/FLAGcdf48c1b3 [2018-11-18 10:54:41,249 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:54:41,249 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/sv-benchmarks/c/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c [2018-11-18 10:54:41,258 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/data/e6c00cd84/568fea9c0ec342cc87c8f44bc8be3147/FLAGcdf48c1b3 [2018-11-18 10:54:41,629 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/data/e6c00cd84/568fea9c0ec342cc87c8f44bc8be3147 [2018-11-18 10:54:41,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:54:41,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:54:41,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:54:41,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:54:41,636 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:54:41,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:54:41" (1/1) ... [2018-11-18 10:54:41,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac16c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:41, skipping insertion in model container [2018-11-18 10:54:41,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:54:41" (1/1) ... [2018-11-18 10:54:41,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:54:41,681 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:54:41,920 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:54:41,923 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:54:41,987 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:54:41,999 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:54:42,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42 WrapperNode [2018-11-18 10:54:42,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:54:42,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:54:42,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:54:42,001 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:54:42,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (1/1) ... [2018-11-18 10:54:42,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (1/1) ... [2018-11-18 10:54:42,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:54:42,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:54:42,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:54:42,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:54:42,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (1/1) ... [2018-11-18 10:54:42,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (1/1) ... [2018-11-18 10:54:42,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (1/1) ... [2018-11-18 10:54:42,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (1/1) ... [2018-11-18 10:54:42,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (1/1) ... [2018-11-18 10:54:42,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (1/1) ... [2018-11-18 10:54:42,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (1/1) ... [2018-11-18 10:54:42,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:54:42,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:54:42,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:54:42,136 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:54:42,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:54:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:54:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:54:42,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:54:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 10:54:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 10:54:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:54:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:54:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:54:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:54:42,967 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:54:42,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:54:42 BoogieIcfgContainer [2018-11-18 10:54:42,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:54:42,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:54:42,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:54:42,971 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:54:42,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:54:41" (1/3) ... [2018-11-18 10:54:42,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ff14c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:54:42, skipping insertion in model container [2018-11-18 10:54:42,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:54:42" (2/3) ... [2018-11-18 10:54:42,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ff14c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:54:42, skipping insertion in model container [2018-11-18 10:54:42,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:54:42" (3/3) ... [2018-11-18 10:54:42,974 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label01_true-unreach-call_false-termination.c [2018-11-18 10:54:42,981 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:54:42,988 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:54:43,000 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:54:43,027 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:54:43,027 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:54:43,028 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:54:43,028 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:54:43,028 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:54:43,028 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:54:43,028 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:54:43,028 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:54:43,046 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 10:54:43,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 10:54:43,055 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:54:43,056 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:43,058 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:54:43,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:43,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1161887336, now seen corresponding path program 1 times [2018-11-18 10:54:43,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:54:43,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:43,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:43,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:43,106 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:54:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:54:43,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:54:43,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:54:43,385 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:54:43,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:54:43,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:54:43,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:54:43,398 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 10:54:43,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:54:43,992 INFO L93 Difference]: Finished difference Result 626 states and 1068 transitions. [2018-11-18 10:54:43,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:54:43,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-11-18 10:54:43,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:54:44,003 INFO L225 Difference]: With dead ends: 626 [2018-11-18 10:54:44,003 INFO L226 Difference]: Without dead ends: 387 [2018-11-18 10:54:44,006 INFO L604 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 [2018-11-18 10:54:44,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-18 10:54:44,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-18 10:54:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 10:54:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 644 transitions. [2018-11-18 10:54:44,049 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 644 transitions. Word has length 120 [2018-11-18 10:54:44,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:54:44,050 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 644 transitions. [2018-11-18 10:54:44,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:54:44,050 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 644 transitions. [2018-11-18 10:54:44,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 10:54:44,053 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:54:44,054 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:44,054 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:54:44,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:44,055 INFO L82 PathProgramCache]: Analyzing trace with hash -875382257, now seen corresponding path program 1 times [2018-11-18 10:54:44,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:54:44,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:44,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:44,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:44,056 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:54:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:44,182 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:54:44,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:54:44,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:54:44,183 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:54:44,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:54:44,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:54:44,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:54:44,185 INFO L87 Difference]: Start difference. First operand 383 states and 644 transitions. Second operand 6 states. [2018-11-18 10:54:44,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:54:44,761 INFO L93 Difference]: Finished difference Result 1195 states and 2114 transitions. [2018-11-18 10:54:44,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:54:44,763 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-11-18 10:54:44,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:54:44,768 INFO L225 Difference]: With dead ends: 1195 [2018-11-18 10:54:44,768 INFO L226 Difference]: Without dead ends: 818 [2018-11-18 10:54:44,771 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:54:44,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2018-11-18 10:54:44,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 799. [2018-11-18 10:54:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-11-18 10:54:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1290 transitions. [2018-11-18 10:54:44,802 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1290 transitions. Word has length 141 [2018-11-18 10:54:44,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:54:44,803 INFO L480 AbstractCegarLoop]: Abstraction has 799 states and 1290 transitions. [2018-11-18 10:54:44,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:54:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1290 transitions. [2018-11-18 10:54:44,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:54:44,806 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:54:44,806 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-11-18 10:54:44,806 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:54:44,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:44,807 INFO L82 PathProgramCache]: Analyzing trace with hash 750553122, now seen corresponding path program 1 times [2018-11-18 10:54:44,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:54:44,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:44,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:44,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:44,808 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:54:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:54:44,895 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:54:44,895 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:54:44,896 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-11-18 10:54:44,897 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:54:44,927 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:54:44,927 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:54:45,241 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:54:45,243 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Performed 1331 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1331 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 10:54:45,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:45,256 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:54:45,467 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 81.02% of their original sizes. [2018-11-18 10:54:45,467 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:54:45,498 INFO L415 sIntCurrentIteration]: We unified 149 AI predicates to 149 [2018-11-18 10:54:45,498 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:54:45,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:54:45,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 10:54:45,499 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:54:45,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:54:45,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:54:45,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:54:45,500 INFO L87 Difference]: Start difference. First operand 799 states and 1290 transitions. Second operand 6 states. [2018-11-18 10:54:47,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:54:47,637 INFO L93 Difference]: Finished difference Result 1742 states and 2813 transitions. [2018-11-18 10:54:47,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:54:47,637 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-11-18 10:54:47,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:54:47,640 INFO L225 Difference]: With dead ends: 1742 [2018-11-18 10:54:47,640 INFO L226 Difference]: Without dead ends: 949 [2018-11-18 10:54:47,642 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:54:47,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2018-11-18 10:54:47,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 946. [2018-11-18 10:54:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2018-11-18 10:54:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1448 transitions. [2018-11-18 10:54:47,664 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1448 transitions. Word has length 150 [2018-11-18 10:54:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:54:47,664 INFO L480 AbstractCegarLoop]: Abstraction has 946 states and 1448 transitions. [2018-11-18 10:54:47,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:54:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1448 transitions. [2018-11-18 10:54:47,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 10:54:47,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:54:47,668 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:47,668 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:54:47,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:47,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1374584278, now seen corresponding path program 1 times [2018-11-18 10:54:47,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:54:47,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:47,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:47,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:47,670 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:54:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:54:47,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:54:47,738 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:54:47,738 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-18 10:54:47,739 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:54:47,743 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:54:47,744 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:54:47,987 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:54:47,987 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 5 different actions 5 times. Never widened. Performed 2705 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2705 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 10:54:48,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:48,004 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:54:48,200 INFO L227 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 82.63% of their original sizes. [2018-11-18 10:54:48,200 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:54:48,291 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-11-18 10:54:48,291 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:54:48,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:54:48,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 10:54:48,292 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:54:48,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:54:48,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:54:48,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:54:48,293 INFO L87 Difference]: Start difference. First operand 946 states and 1448 transitions. Second operand 10 states. [2018-11-18 10:54:51,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:54:51,919 INFO L93 Difference]: Finished difference Result 2553 states and 4086 transitions. [2018-11-18 10:54:51,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 10:54:51,919 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2018-11-18 10:54:51,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:54:51,923 INFO L225 Difference]: With dead ends: 2553 [2018-11-18 10:54:51,924 INFO L226 Difference]: Without dead ends: 1613 [2018-11-18 10:54:51,926 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 10:54:51,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2018-11-18 10:54:51,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1604. [2018-11-18 10:54:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2018-11-18 10:54:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2240 transitions. [2018-11-18 10:54:51,952 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 2240 transitions. Word has length 155 [2018-11-18 10:54:51,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:54:51,952 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 2240 transitions. [2018-11-18 10:54:51,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:54:51,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2240 transitions. [2018-11-18 10:54:51,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 10:54:51,955 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:54:51,955 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:51,955 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:54:51,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:51,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1773152067, now seen corresponding path program 1 times [2018-11-18 10:54:51,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:54:51,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:51,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:51,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:51,957 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:54:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:52,091 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:54:52,091 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:54:52,091 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:54:52,092 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 10:54:52,092 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:54:52,096 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:54:52,096 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:54:52,256 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:54:52,256 INFO L272 AbstractInterpreter]: Visited 125 different actions 368 times. Merged at 7 different actions 15 times. Never widened. Performed 4139 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4139 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 10:54:52,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:52,267 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:54:52,385 INFO L227 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 84.46% of their original sizes. [2018-11-18 10:54:52,385 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:54:52,432 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-18 10:54:52,432 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:54:52,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:54:52,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 10:54:52,433 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:54:52,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:54:52,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:54:52,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:54:52,433 INFO L87 Difference]: Start difference. First operand 1604 states and 2240 transitions. Second operand 9 states. [2018-11-18 10:54:54,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:54:54,980 INFO L93 Difference]: Finished difference Result 4175 states and 6110 transitions. [2018-11-18 10:54:54,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 10:54:54,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2018-11-18 10:54:54,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:54:54,987 INFO L225 Difference]: With dead ends: 4175 [2018-11-18 10:54:54,987 INFO L226 Difference]: Without dead ends: 2577 [2018-11-18 10:54:54,991 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 10:54:54,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2018-11-18 10:54:55,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2530. [2018-11-18 10:54:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2530 states. [2018-11-18 10:54:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 3369 transitions. [2018-11-18 10:54:55,029 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 3369 transitions. Word has length 160 [2018-11-18 10:54:55,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:54:55,030 INFO L480 AbstractCegarLoop]: Abstraction has 2530 states and 3369 transitions. [2018-11-18 10:54:55,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:54:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 3369 transitions. [2018-11-18 10:54:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:54:55,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:54:55,034 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:55,034 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:54:55,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:55,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1281810536, now seen corresponding path program 1 times [2018-11-18 10:54:55,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:54:55,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:55,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:55,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:55,037 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:54:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:55,116 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:54:55,116 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:54:55,116 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:54:55,117 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-11-18 10:54:55,117 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:54:55,120 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:54:55,120 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:54:55,269 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:54:55,269 INFO L272 AbstractInterpreter]: Visited 126 different actions 372 times. Merged at 7 different actions 18 times. Never widened. Performed 4233 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4233 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 10:54:55,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:55,271 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:54:55,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:54:55,271 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:54:55,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:55,278 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:54:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:55,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:54:55,395 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:54:55,395 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:54:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:54:55,483 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:54:55,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 10:54:55,483 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:54:55,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:54:55,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:54:55,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:54:55,484 INFO L87 Difference]: Start difference. First operand 2530 states and 3369 transitions. Second operand 9 states. [2018-11-18 10:54:56,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:54:56,309 INFO L93 Difference]: Finished difference Result 5895 states and 8092 transitions. [2018-11-18 10:54:56,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:54:56,310 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 187 [2018-11-18 10:54:56,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:54:56,321 INFO L225 Difference]: With dead ends: 5895 [2018-11-18 10:54:56,322 INFO L226 Difference]: Without dead ends: 3371 [2018-11-18 10:54:56,328 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 373 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-18 10:54:56,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3371 states. [2018-11-18 10:54:56,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3371 to 3304. [2018-11-18 10:54:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3304 states. [2018-11-18 10:54:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4354 transitions. [2018-11-18 10:54:56,394 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4354 transitions. Word has length 187 [2018-11-18 10:54:56,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:54:56,395 INFO L480 AbstractCegarLoop]: Abstraction has 3304 states and 4354 transitions. [2018-11-18 10:54:56,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:54:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4354 transitions. [2018-11-18 10:54:56,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 10:54:56,403 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:54:56,403 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:56,404 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:54:56,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:56,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1019910135, now seen corresponding path program 1 times [2018-11-18 10:54:56,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:54:56,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:56,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:56,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:56,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:54:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 76 proven. 36 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:54:56,498 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:54:56,498 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:54:56,499 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-11-18 10:54:56,499 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:54:56,502 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:54:56,502 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:54:56,691 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:54:56,691 INFO L272 AbstractInterpreter]: Visited 129 different actions 378 times. Merged at 9 different actions 19 times. Never widened. Performed 4403 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4403 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 10:54:56,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:56,696 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:54:56,696 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:54:56,696 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:54:56,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:56,706 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:54:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:56,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:54:56,830 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:54:56,830 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:54:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 10 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 10:54:56,894 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:54:56,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-11-18 10:54:56,895 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:54:56,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 10:54:56,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 10:54:56,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-18 10:54:56,895 INFO L87 Difference]: Start difference. First operand 3304 states and 4354 transitions. Second operand 11 states. [2018-11-18 10:54:59,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:54:59,502 INFO L93 Difference]: Finished difference Result 10834 states and 15822 transitions. [2018-11-18 10:54:59,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 10:54:59,502 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2018-11-18 10:54:59,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:54:59,515 INFO L225 Difference]: With dead ends: 10834 [2018-11-18 10:54:59,515 INFO L226 Difference]: Without dead ends: 4975 [2018-11-18 10:54:59,533 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=284, Invalid=976, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 10:54:59,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4975 states. [2018-11-18 10:54:59,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4975 to 4426. [2018-11-18 10:54:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4426 states. [2018-11-18 10:54:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4426 states to 4426 states and 5316 transitions. [2018-11-18 10:54:59,614 INFO L78 Accepts]: Start accepts. Automaton has 4426 states and 5316 transitions. Word has length 189 [2018-11-18 10:54:59,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:54:59,614 INFO L480 AbstractCegarLoop]: Abstraction has 4426 states and 5316 transitions. [2018-11-18 10:54:59,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 10:54:59,614 INFO L276 IsEmpty]: Start isEmpty. Operand 4426 states and 5316 transitions. [2018-11-18 10:54:59,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 10:54:59,622 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:54:59,622 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:54:59,623 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:54:59,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:54:59,623 INFO L82 PathProgramCache]: Analyzing trace with hash 762730189, now seen corresponding path program 1 times [2018-11-18 10:54:59,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:54:59,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:59,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:54:59,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:54:59,624 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:54:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:54:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 104 proven. 44 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 10:54:59,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:54:59,734 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:54:59,734 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-11-18 10:54:59,735 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [56], [59], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:54:59,737 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:54:59,737 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:55:00,068 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:55:00,068 INFO L272 AbstractInterpreter]: Visited 131 different actions 648 times. Merged at 9 different actions 49 times. Widened at 1 different actions 1 times. Performed 7331 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7331 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 15 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 10:55:00,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:55:00,073 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:55:00,304 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 87.72% of their original sizes. [2018-11-18 10:55:00,304 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:55:00,456 INFO L415 sIntCurrentIteration]: We unified 224 AI predicates to 224 [2018-11-18 10:55:00,456 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:55:00,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:55:00,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [9] total 26 [2018-11-18 10:55:00,456 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:55:00,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 10:55:00,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 10:55:00,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-11-18 10:55:00,457 INFO L87 Difference]: Start difference. First operand 4426 states and 5316 transitions. Second operand 19 states. [2018-11-18 10:55:10,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:55:10,639 INFO L93 Difference]: Finished difference Result 8260 states and 9999 transitions. [2018-11-18 10:55:10,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-18 10:55:10,640 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 225 [2018-11-18 10:55:10,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:55:10,640 INFO L225 Difference]: With dead ends: 8260 [2018-11-18 10:55:10,640 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:55:10,652 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 254 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=427, Invalid=1925, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 10:55:10,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:55:10,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:55:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:55:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:55:10,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2018-11-18 10:55:10,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:55:10,653 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:55:10,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 10:55:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:55:10,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:55:10,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:55:10,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:10,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:10,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:10,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:10,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:11,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:11,033 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 130 [2018-11-18 10:55:11,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:11,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:11,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:11,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:11,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:11,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:11,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:11,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:55:11,192 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 148 [2018-11-18 10:55:11,463 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2018-11-18 10:55:12,888 WARN L180 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 251 DAG size of output: 123 [2018-11-18 10:55:13,336 WARN L180 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 104 [2018-11-18 10:55:13,883 WARN L180 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 108 [2018-11-18 10:55:13,885 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:55:13,885 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= |old(~a25~0)| ~a25~0)) [2018-11-18 10:55:13,885 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:55:13,885 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,885 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 511) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 10:55:13,886 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 10:55:13,887 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 10:55:13,888 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 10:55:13,889 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 10:55:13,890 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,891 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 10:55:13,892 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 10:55:13,893 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 10:55:13,894 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,895 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse30 (not (= 1 ~a21~0))) (.cse12 (= 8 |old(~a28~0)|)) (.cse26 (= ~a17~0 8)) (.cse23 (= |old(~a28~0)| ~a28~0)) (.cse31 (= |old(~a19~0)| ~a19~0)) (.cse24 (= |old(~a25~0)| ~a25~0)) (.cse33 (= 1 |old(~a19~0)|)) (.cse29 (= 1 |old(~a25~0)|))) (let ((.cse25 (= ~a19~0 1)) (.cse14 (< 0 |old(~a19~0)|)) (.cse20 (not .cse29)) (.cse19 (not (= 0 |old(~a11~0)|))) (.cse22 (= ~a11~0 0)) (.cse3 (not (= ~a21~0 1))) (.cse5 (= |old(~a28~0)| 0)) (.cse21 (not .cse33)) (.cse8 (< 10 |old(~a28~0)|)) (.cse27 (and (<= ~a17~0 |old(~a17~0)|) .cse23 .cse31 .cse24)) (.cse28 (< 7 |old(~a17~0)|)) (.cse1 (not (= ~v~0 22))) (.cse2 (not (= ~u~0 21))) (.cse0 (and .cse24 .cse31 .cse23 .cse26)) (.cse4 (not (= ~y~0 25))) (.cse6 (not (= 3 ~c~0))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse32 (and (or .cse30 (not (= 7 |old(~a28~0)|))) (or .cse30 (not .cse12)))) (.cse9 (not (= ~a~0 1))) (.cse10 (not (= 26 ~z~0))) (.cse11 (not (= ~x~0 24))) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse15 (not (= ~e~0 5))) (.cse16 (not (= ~d~0 4))) (.cse17 (not (= 6 ~f~0))) (.cse18 (not (= ~w~0 23)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (or .cse19 .cse1 .cse2 .cse3 .cse4 .cse20 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse21 .cse22 .cse11 .cse13 .cse15 .cse16 .cse17 .cse18) (or .cse1 .cse21 (and (and .cse23 .cse24 .cse25) .cse26) .cse2 .cse3 .cse4 .cse20 .cse5 .cse6 .cse7 .cse9 .cse10 .cse11 .cse13 .cse15 .cse16 .cse17 .cse18) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (and .cse24 .cse25 .cse23 .cse26) .cse10 .cse21 .cse11 .cse12 .cse13 .cse15 .cse16 .cse17 .cse18) (or .cse27 .cse14 .cse28 .cse29) (or .cse22 .cse1 .cse2 (or .cse30 (not (= 11 |old(~a28~0)|)) .cse19) .cse4 .cse20 .cse6 .cse7 .cse9 .cse10 .cse21 .cse11 .cse13 .cse15 .cse16 .cse17 .cse18) (or .cse8 .cse27 .cse12 .cse28) (or (not (= |old(~a19~0)| 1)) .cse12 .cse27 .cse28) (or .cse1 .cse2 .cse4 .cse20 .cse6 (and (= ~a25~0 1) .cse31 .cse23 .cse26) .cse7 .cse32 .cse9 .cse10 .cse11 .cse12 .cse13 .cse15 .cse16 .cse17 .cse18) (or .cse8 .cse33 .cse27 (< |old(~a19~0)| 1) .cse28) (or .cse19 .cse1 .cse2 .cse22 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse21 .cse11 .cse12 .cse13 .cse15 .cse16 .cse17 .cse18) (or .cse8 .cse27 .cse28 .cse29) (or .cse29 .cse1 .cse2 .cse33 .cse0 .cse4 .cse6 .cse7 .cse32 .cse9 .cse10 .cse11 .cse13 .cse15 .cse16 .cse17 .cse18)))) [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 10:55:13,896 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 10:55:13,897 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 10:55:13,898 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 10:55:13,899 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:55:13,900 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-11-18 10:55:13,900 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:55:13,900 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:55:13,900 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a19~0 1) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-11-18 10:55:13,900 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 10:55:13,900 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse12 (= ~a25~0 1)) (.cse10 (= ~a19~0 1)) (.cse11 (= ~a28~0 7)) (.cse14 (= ~a28~0 8))) (let ((.cse0 (<= ~a17~0 7)) (.cse6 (or .cse11 .cse14)) (.cse4 (not .cse10)) (.cse1 (not .cse12)) (.cse5 (<= ~a19~0 0)) (.cse3 (not .cse14)) (.cse2 (<= ~a28~0 10)) (.cse7 (not (= main_~input~0 0))) (.cse8 (not (= main_~output~0 0))) (.cse13 (not (= ~a28~0 0))) (.cse9 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse4 .cse0 .cse2 (<= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and (= |old(~a19~0)| ~a19~0) .cse0 .cse3) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse0 .cse5 .cse1) (not (= 21 ~u~0)) (and .cse6 .cse3 .cse7 .cse8 .cse9) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and (and (= ~a11~0 0) (= ~a25~0 0) .cse10 .cse11) .cse8 .cse9) (not (= ~z~0 26)) (and .cse12 .cse10 .cse7 .cse8 .cse13 .cse9) (not (= 0 |old(~a25~0)|)) (and .cse6 .cse4 .cse7 .cse1 .cse8 .cse9) (not (= 3 ~c~0)) (and .cse5 .cse2 .cse3 .cse7 .cse8 .cse13 .cse9) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and .cse3 .cse2 .cse10 .cse7 .cse8 .cse13 .cse9) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-11-18 10:55:13,900 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 10:55:13,900 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 10:55:13,900 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse8 (= ~a19~0 1)) (.cse13 (= ~a28~0 8))) (let ((.cse0 (<= ~a17~0 7)) (.cse12 (or (= ~a28~0 7) .cse13)) (.cse10 (not .cse8)) (.cse1 (not .cse3)) (.cse11 (<= ~a19~0 0)) (.cse2 (<= ~a28~0 10)) (.cse9 (not .cse13)) (.cse5 (not (= main_~input~0 0))) (.cse4 (not (= main_~output~0 0))) (.cse6 (not (= ~a28~0 0))) (.cse7 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8)) (and .cse0 .cse2 .cse9) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse10 .cse0 .cse2 (<= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and (= |old(~a19~0)| ~a19~0) .cse0 .cse9) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse0 .cse11 .cse1) (not (= 21 ~u~0)) (and .cse12 .cse9 .cse5 .cse4 .cse7) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse12 .cse10 .cse5 .cse1 .cse4 .cse7) (not (= 3 ~c~0)) (and .cse11 .cse2 .cse9 .cse5 .cse4 .cse6 .cse7) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and .cse2 .cse9 .cse8 .cse5 .cse4 .cse6 .cse7) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-11-18 10:55:13,901 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 10:55:13,901 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 10:55:13,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:55:13 BoogieIcfgContainer [2018-11-18 10:55:13,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:55:13,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:55:13,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:55:13,913 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:55:13,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:54:42" (3/4) ... [2018-11-18 10:55:13,917 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:55:13,921 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:55:13,921 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 10:55:13,921 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:55:13,931 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:55:13,931 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:55:13,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((a17 <= 7 && !(a25 == 1)) && a28 <= 10) || ((a17 <= 7 && a28 <= 10) && !(a28 == 8))) || !(a21 == 1)) || !(y == 25)) || (((!(a19 == 1) && a17 <= 7) && a28 <= 10) && 1 <= a19)) || !(1 == \old(a19))) || !(x == 24)) || ((\old(a19) == a19 && a17 <= 7) && !(a28 == 8))) || !(e == 5)) || !(d == 4)) || ((a17 <= 7 && a19 <= 0) && !(a25 == 1))) || !(21 == u)) || (((((a28 == 7 || a28 == 8) && !(a28 == 8)) && !(input == 0)) && !(output == 0)) && a17 == 8)) || !(22 == v)) || !(\old(a11) == 0)) || (((((a11 == 0 && a25 == 0) && a19 == 1) && a28 == 7) && !(output == 0)) && a17 == 8)) || !(z == 26)) || (((((a25 == 1 && a19 == 1) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(0 == \old(a25))) || ((((((a28 == 7 || a28 == 8) && !(a19 == 1)) && !(input == 0)) && !(a25 == 1)) && !(output == 0)) && a17 == 8)) || !(3 == c)) || ((((((a19 <= 0 && a28 <= 10) && !(a28 == 8)) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || ((((((!(a28 == 8) && a28 <= 10) && a19 == 1) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(\old(a17) == 8)) || !(6 == f) [2018-11-18 10:55:14,027 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_974d07a7-2a9e-4db0-805d-28891ad7c8d3/bin-2019/utaipan/witness.graphml [2018-11-18 10:55:14,027 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:55:14,028 INFO L168 Benchmark]: Toolchain (without parser) took 32396.05 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -269.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 10:55:14,028 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:55:14,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 915.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:14,029 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 915.0 MB in the beginning and 1.1 GB in the end (delta: -228.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:14,029 INFO L168 Benchmark]: Boogie Preprocessor took 51.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:14,029 INFO L168 Benchmark]: RCFGBuilder took 832.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:14,029 INFO L168 Benchmark]: TraceAbstraction took 30944.02 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -220.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-18 10:55:14,030 INFO L168 Benchmark]: Witness Printer took 114.29 ms. Allocated memory is still 2.7 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:55:14,031 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 915.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 915.0 MB in the beginning and 1.1 GB in the end (delta: -228.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 832.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30944.02 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -220.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 114.29 ms. Allocated memory is still 2.7 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 511]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a17 <= 7 && !(a25 == 1)) && a28 <= 10) || ((a17 <= 7 && a28 <= 10) && !(a28 == 8))) || !(a21 == 1)) || !(y == 25)) || (((!(a19 == 1) && a17 <= 7) && a28 <= 10) && 1 <= a19)) || !(1 == \old(a19))) || !(x == 24)) || ((\old(a19) == a19 && a17 <= 7) && !(a28 == 8))) || !(e == 5)) || !(d == 4)) || ((a17 <= 7 && a19 <= 0) && !(a25 == 1))) || !(21 == u)) || (((((a28 == 7 || a28 == 8) && !(a28 == 8)) && !(input == 0)) && !(output == 0)) && a17 == 8)) || !(22 == v)) || !(\old(a11) == 0)) || (((((a11 == 0 && a25 == 0) && a19 == 1) && a28 == 7) && !(output == 0)) && a17 == 8)) || !(z == 26)) || (((((a25 == 1 && a19 == 1) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(0 == \old(a25))) || ((((((a28 == 7 || a28 == 8) && !(a19 == 1)) && !(input == 0)) && !(a25 == 1)) && !(output == 0)) && a17 == 8)) || !(3 == c)) || ((((((a19 <= 0 && a28 <= 10) && !(a28 == 8)) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || ((((((!(a28 == 8) && a28 <= 10) && a19 == 1) && !(input == 0)) && !(output == 0)) && !(a28 == 0)) && a17 == 8)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 30.8s OverallTime, 8 OverallIterations, 7 TraceHistogramMax, 23.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1282 SDtfs, 9393 SDslu, 2052 SDs, 0 SdLazy, 14495 SolverSat, 2682 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1563 GetRequests, 1416 SyntacticMatches, 8 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4426occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.9961259189787279 AbsIntWeakeningRatio, 0.2434402332361516 AbsIntAvgWeakeningVarsNumRemoved, 25.50145772594752 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 698 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 123 PreInvPairs, 204 NumberOfFragments, 1464 HoareAnnotationTreeSize, 123 FomulaSimplifications, 8704 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10362 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1703 NumberOfCodeBlocks, 1703 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2067 ConstructedInterpolants, 0 QuantifiedInterpolants, 603671 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1025 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 952/1103 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...