./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/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_879a6e70-8b38-47c4-b045-79fb6a01b338/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/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-aa41828 [2018-11-23 13:35:52,757 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:35:52,758 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:35:52,765 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:35:52,765 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:35:52,766 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:35:52,767 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:35:52,768 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:35:52,769 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:35:52,770 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:35:52,771 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:35:52,771 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:35:52,772 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:35:52,772 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:35:52,773 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:35:52,774 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:35:52,775 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:35:52,776 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:35:52,778 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:35:52,779 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:35:52,780 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:35:52,781 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:35:52,782 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:35:52,783 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:35:52,783 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:35:52,784 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:35:52,784 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:35:52,785 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:35:52,786 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:35:52,786 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:35:52,787 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:35:52,787 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:35:52,787 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:35:52,788 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:35:52,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:35:52,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:35:52,789 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:35:52,800 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:35:52,800 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:35:52,801 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:35:52,801 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:35:52,801 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:35:52,801 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:35:52,801 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:35:52,801 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:35:52,802 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:35:52,802 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:35:52,802 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:35:52,802 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:35:52,802 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:35:52,803 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:35:52,803 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:35:52,803 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:35:52,803 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:35:52,803 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:35:52,803 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:35:52,804 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:35:52,804 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:35:52,804 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:35:52,804 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:35:52,804 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:35:52,804 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:35:52,804 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:35:52,805 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:35:52,805 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:35:52,805 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:35:52,805 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:35:52,805 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:35:52,805 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:35:52,805 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:35:52,806 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:35:52,806 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:35:52,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:35:52,806 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:35:52,806 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_879a6e70-8b38-47c4-b045-79fb6a01b338/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 [2018-11-23 13:35:52,829 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:35:52,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:35:52,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:35:52,842 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:35:52,843 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:35:52,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c [2018-11-23 13:35:52,890 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/bin-2019/utaipan/data/8dc4dbf76/f232ed16e7e94bf39bbb8601ac661744/FLAG8fc28cf07 [2018-11-23 13:35:53,271 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:35:53,271 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/sv-benchmarks/c/eca-rers2012/Problem02_label01_true-unreach-call_false-termination.c [2018-11-23 13:35:53,282 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/bin-2019/utaipan/data/8dc4dbf76/f232ed16e7e94bf39bbb8601ac661744/FLAG8fc28cf07 [2018-11-23 13:35:53,649 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/bin-2019/utaipan/data/8dc4dbf76/f232ed16e7e94bf39bbb8601ac661744 [2018-11-23 13:35:53,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:35:53,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:35:53,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:35:53,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:35:53,656 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:35:53,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:53" (1/1) ... [2018-11-23 13:35:53,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e42f8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:53, skipping insertion in model container [2018-11-23 13:35:53,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:35:53" (1/1) ... [2018-11-23 13:35:53,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:35:53,701 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:35:53,961 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:35:53,965 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:35:54,029 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:35:54,042 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:35:54,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54 WrapperNode [2018-11-23 13:35:54,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:35:54,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:35:54,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:35:54,043 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:35:54,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (1/1) ... [2018-11-23 13:35:54,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (1/1) ... [2018-11-23 13:35:54,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:35:54,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:35:54,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:35:54,122 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:35:54,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (1/1) ... [2018-11-23 13:35:54,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (1/1) ... [2018-11-23 13:35:54,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (1/1) ... [2018-11-23 13:35:54,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (1/1) ... [2018-11-23 13:35:54,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (1/1) ... [2018-11-23 13:35:54,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (1/1) ... [2018-11-23 13:35:54,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (1/1) ... [2018-11-23 13:35:54,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:35:54,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:35:54,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:35:54,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:35:54,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/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 [2018-11-23 13:35:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 13:35:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:35:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:35:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 13:35:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 13:35:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:35:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:35:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:35:54,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:35:54,943 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:35:54,943 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 13:35:54,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:54 BoogieIcfgContainer [2018-11-23 13:35:54,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:35:54,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:35:54,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:35:54,947 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:35:54,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:35:53" (1/3) ... [2018-11-23 13:35:54,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eac7734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:35:54, skipping insertion in model container [2018-11-23 13:35:54,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:35:54" (2/3) ... [2018-11-23 13:35:54,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eac7734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:35:54, skipping insertion in model container [2018-11-23 13:35:54,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:54" (3/3) ... [2018-11-23 13:35:54,950 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label01_true-unreach-call_false-termination.c [2018-11-23 13:35:54,957 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:35:54,963 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:35:54,973 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:35:54,997 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:35:54,997 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:35:54,997 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:35:54,997 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:35:54,997 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:35:54,997 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:35:54,998 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:35:54,998 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:35:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 13:35:55,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 13:35:55,024 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:55,025 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:35:55,027 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:55,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:55,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1511676745, now seen corresponding path program 1 times [2018-11-23 13:35:55,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:55,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:55,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:55,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:55,066 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:35:55,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:55,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:35:55,366 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:55,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:35:55,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:35:55,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:35:55,386 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 13:35:55,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:55,949 INFO L93 Difference]: Finished difference Result 623 states and 1065 transitions. [2018-11-23 13:35:55,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:35:55,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-11-23 13:35:55,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:55,964 INFO L225 Difference]: With dead ends: 623 [2018-11-23 13:35:55,964 INFO L226 Difference]: Without dead ends: 385 [2018-11-23 13:35:55,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:35:55,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-11-23 13:35:56,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 381. [2018-11-23 13:35:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-23 13:35:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 642 transitions. [2018-11-23 13:35:56,023 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 642 transitions. Word has length 119 [2018-11-23 13:35:56,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:56,024 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 642 transitions. [2018-11-23 13:35:56,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:35:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 642 transitions. [2018-11-23 13:35:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 13:35:56,028 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:56,028 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 13:35:56,028 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:56,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:56,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1590718300, now seen corresponding path program 1 times [2018-11-23 13:35:56,029 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:56,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:56,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:56,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:56,031 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:35:56,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:35:56,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:35:56,162 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:56,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:35:56,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:35:56,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:35:56,164 INFO L87 Difference]: Start difference. First operand 381 states and 642 transitions. Second operand 6 states. [2018-11-23 13:35:56,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:35:56,808 INFO L93 Difference]: Finished difference Result 1187 states and 2106 transitions. [2018-11-23 13:35:56,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:35:56,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-23 13:35:56,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:35:56,817 INFO L225 Difference]: With dead ends: 1187 [2018-11-23 13:35:56,817 INFO L226 Difference]: Without dead ends: 812 [2018-11-23 13:35:56,819 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:35:56,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-11-23 13:35:56,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 795. [2018-11-23 13:35:56,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-11-23 13:35:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1286 transitions. [2018-11-23 13:35:56,851 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1286 transitions. Word has length 139 [2018-11-23 13:35:56,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:35:56,851 INFO L480 AbstractCegarLoop]: Abstraction has 795 states and 1286 transitions. [2018-11-23 13:35:56,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:35:56,852 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1286 transitions. [2018-11-23 13:35:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 13:35:56,855 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:35:56,855 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 13:35:56,855 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:35:56,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:56,856 INFO L82 PathProgramCache]: Analyzing trace with hash 255104169, now seen corresponding path program 1 times [2018-11-23 13:35:56,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:35:56,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:56,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:35:56,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:35:56,858 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:35:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:35:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:35:56,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:35:56,939 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:35:56,939 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-11-23 13:35:56,941 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], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 13:35:56,973 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:35:56,973 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:35:57,315 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:35:57,316 INFO L272 AbstractInterpreter]: Visited 120 different actions 120 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. [2018-11-23 13:35:57,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:35:57,334 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:35:57,654 INFO L227 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 80.98% of their original sizes. [2018-11-23 13:35:57,655 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:35:57,682 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-11-23 13:35:57,683 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:35:57,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:35:57,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 13:35:57,684 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:35:57,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:35:57,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:35:57,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:35:57,686 INFO L87 Difference]: Start difference. First operand 795 states and 1286 transitions. Second operand 6 states. [2018-11-23 13:36:00,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:36:00,538 INFO L93 Difference]: Finished difference Result 1732 states and 2803 transitions. [2018-11-23 13:36:00,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:36:00,538 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-11-23 13:36:00,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:36:00,541 INFO L225 Difference]: With dead ends: 1732 [2018-11-23 13:36:00,541 INFO L226 Difference]: Without dead ends: 943 [2018-11-23 13:36:00,543 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:36:00,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2018-11-23 13:36:00,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 941. [2018-11-23 13:36:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2018-11-23 13:36:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1443 transitions. [2018-11-23 13:36:00,565 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1443 transitions. Word has length 147 [2018-11-23 13:36:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:36:00,565 INFO L480 AbstractCegarLoop]: Abstraction has 941 states and 1443 transitions. [2018-11-23 13:36:00,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:36:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1443 transitions. [2018-11-23 13:36:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 13:36:00,568 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:36:00,568 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 13:36:00,569 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:36:00,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:36:00,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1833832037, now seen corresponding path program 1 times [2018-11-23 13:36:00,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:36:00,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:36:00,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:36:00,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:36:00,571 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:36:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:36:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:36:00,650 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:36:00,650 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:36:00,651 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-11-23 13:36:00,651 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], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 13:36:00,655 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:36:00,655 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:36:00,810 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:36:00,810 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 4 different actions 4 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. [2018-11-23 13:36:00,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:36:00,818 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:36:01,017 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 82.62% of their original sizes. [2018-11-23 13:36:01,018 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:36:01,064 INFO L415 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-11-23 13:36:01,064 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:36:01,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:36:01,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 13:36:01,065 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:36:01,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:36:01,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:36:01,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:36:01,066 INFO L87 Difference]: Start difference. First operand 941 states and 1443 transitions. Second operand 10 states. [2018-11-23 13:36:04,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:36:04,374 INFO L93 Difference]: Finished difference Result 2537 states and 4070 transitions. [2018-11-23 13:36:04,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 13:36:04,374 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2018-11-23 13:36:04,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:36:04,380 INFO L225 Difference]: With dead ends: 2537 [2018-11-23 13:36:04,380 INFO L226 Difference]: Without dead ends: 1602 [2018-11-23 13:36:04,383 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 13:36:04,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1602 states. [2018-11-23 13:36:04,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1602 to 1595. [2018-11-23 13:36:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1595 states. [2018-11-23 13:36:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2231 transitions. [2018-11-23 13:36:04,420 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2231 transitions. Word has length 152 [2018-11-23 13:36:04,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:36:04,420 INFO L480 AbstractCegarLoop]: Abstraction has 1595 states and 2231 transitions. [2018-11-23 13:36:04,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:36:04,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2231 transitions. [2018-11-23 13:36:04,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 13:36:04,424 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:36:04,424 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 13:36:04,425 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:36:04,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:36:04,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1355208680, now seen corresponding path program 1 times [2018-11-23 13:36:04,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:36:04,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:36:04,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:36:04,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:36:04,426 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:36:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:36:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:36:04,543 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:36:04,543 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:36:04,543 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-23 13:36:04,543 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], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 13:36:04,547 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:36:04,547 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:36:04,709 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:36:04,709 INFO L272 AbstractInterpreter]: Visited 124 different actions 367 times. Merged at 6 different actions 15 times. Never widened. Performed 4171 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4171 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 13:36:04,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:36:04,714 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:36:04,878 INFO L227 lantSequenceWeakener]: Weakened 151 states. On average, predicates are now at 84.61% of their original sizes. [2018-11-23 13:36:04,878 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:36:04,941 INFO L415 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-11-23 13:36:04,941 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:36:04,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:36:04,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 13:36:04,942 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:36:04,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:36:04,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:36:04,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:36:04,943 INFO L87 Difference]: Start difference. First operand 1595 states and 2231 transitions. Second operand 9 states. [2018-11-23 13:36:07,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:36:07,181 INFO L93 Difference]: Finished difference Result 4147 states and 6082 transitions. [2018-11-23 13:36:07,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 13:36:07,182 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 156 [2018-11-23 13:36:07,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:36:07,191 INFO L225 Difference]: With dead ends: 4147 [2018-11-23 13:36:07,191 INFO L226 Difference]: Without dead ends: 2558 [2018-11-23 13:36:07,196 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 13:36:07,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2018-11-23 13:36:07,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2517. [2018-11-23 13:36:07,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2517 states. [2018-11-23 13:36:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3356 transitions. [2018-11-23 13:36:07,254 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3356 transitions. Word has length 156 [2018-11-23 13:36:07,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:36:07,254 INFO L480 AbstractCegarLoop]: Abstraction has 2517 states and 3356 transitions. [2018-11-23 13:36:07,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:36:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3356 transitions. [2018-11-23 13:36:07,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 13:36:07,260 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:36:07,260 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 13:36:07,260 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:36:07,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:36:07,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1318581601, now seen corresponding path program 1 times [2018-11-23 13:36:07,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:36:07,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:36:07,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:36:07,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:36:07,262 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:36:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:36:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 13:36:07,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:36:07,374 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:36:07,374 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 184 with the following transitions: [2018-11-23 13:36:07,374 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], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 13:36:07,377 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:36:07,377 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:36:07,566 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:36:07,566 INFO L272 AbstractInterpreter]: Visited 125 different actions 368 times. Merged at 6 different actions 15 times. Never widened. Performed 4243 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4243 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 13:36:07,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:36:07,569 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:36:07,569 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:36:07,569 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/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 [2018-11-23 13:36:07,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:36:07,652 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:36:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:36:07,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:36:07,826 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 13:36:07,826 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:36:07,898 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 13:36:07,915 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:36:07,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 13:36:07,915 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:36:07,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:36:07,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:36:07,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:36:07,916 INFO L87 Difference]: Start difference. First operand 2517 states and 3356 transitions. Second operand 9 states. [2018-11-23 13:36:08,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:36:08,589 INFO L93 Difference]: Finished difference Result 5864 states and 8061 transitions. [2018-11-23 13:36:08,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:36:08,589 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 183 [2018-11-23 13:36:08,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:36:08,599 INFO L225 Difference]: With dead ends: 5864 [2018-11-23 13:36:08,599 INFO L226 Difference]: Without dead ends: 3353 [2018-11-23 13:36:08,606 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-23 13:36:08,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3353 states. [2018-11-23 13:36:08,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3353 to 3287. [2018-11-23 13:36:08,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3287 states. [2018-11-23 13:36:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 3287 states and 4337 transitions. [2018-11-23 13:36:08,673 INFO L78 Accepts]: Start accepts. Automaton has 3287 states and 4337 transitions. Word has length 183 [2018-11-23 13:36:08,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:36:08,674 INFO L480 AbstractCegarLoop]: Abstraction has 3287 states and 4337 transitions. [2018-11-23 13:36:08,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:36:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 4337 transitions. [2018-11-23 13:36:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 13:36:08,682 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:36:08,682 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 13:36:08,682 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:36:08,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:36:08,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1648752332, now seen corresponding path program 1 times [2018-11-23 13:36:08,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:36:08,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:36:08,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:36:08,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:36:08,684 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:36:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:36:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 69 proven. 34 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 13:36:08,783 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:36:08,783 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:36:08,784 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 185 with the following transitions: [2018-11-23 13:36:08,784 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], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 13:36:08,787 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:36:08,787 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:36:08,949 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:36:08,949 INFO L272 AbstractInterpreter]: Visited 128 different actions 377 times. Merged at 8 different actions 19 times. Never widened. Performed 4438 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4438 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 13:36:08,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:36:08,954 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:36:08,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:36:08,954 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/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 [2018-11-23 13:36:08,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:36:08,960 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:36:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:36:09,012 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:36:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 13:36:09,061 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:36:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 13:36:09,135 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 13:36:09,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-11-23 13:36:09,135 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 13:36:09,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 13:36:09,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 13:36:09,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 13:36:09,136 INFO L87 Difference]: Start difference. First operand 3287 states and 4337 transitions. Second operand 11 states. [2018-11-23 13:36:11,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:36:11,879 INFO L93 Difference]: Finished difference Result 10771 states and 15759 transitions. [2018-11-23 13:36:11,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 13:36:11,879 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2018-11-23 13:36:11,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:36:11,888 INFO L225 Difference]: With dead ends: 10771 [2018-11-23 13:36:11,888 INFO L226 Difference]: Without dead ends: 4946 [2018-11-23 13:36:11,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 379 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=284, Invalid=976, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 13:36:11,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4946 states. [2018-11-23 13:36:11,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4946 to 4400. [2018-11-23 13:36:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4400 states. [2018-11-23 13:36:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4400 states to 4400 states and 5290 transitions. [2018-11-23 13:36:11,953 INFO L78 Accepts]: Start accepts. Automaton has 4400 states and 5290 transitions. Word has length 184 [2018-11-23 13:36:11,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:36:11,953 INFO L480 AbstractCegarLoop]: Abstraction has 4400 states and 5290 transitions. [2018-11-23 13:36:11,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 13:36:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 4400 states and 5290 transitions. [2018-11-23 13:36:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 13:36:11,959 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:36:11,959 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 13:36:11,959 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:36:11,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:36:11,959 INFO L82 PathProgramCache]: Analyzing trace with hash -229108844, now seen corresponding path program 1 times [2018-11-23 13:36:11,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:36:11,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:36:11,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:36:11,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:36:11,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:36:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:36:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 94 proven. 43 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-23 13:36:12,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:36:12,052 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:36:12,052 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-11-23 13:36:12,052 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], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 13:36:12,055 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:36:12,055 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:36:12,381 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:36:12,381 INFO L272 AbstractInterpreter]: Visited 130 different actions 639 times. Merged at 8 different actions 41 times. Never widened. Performed 7303 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7303 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 15 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 13:36:12,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:36:12,382 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:36:12,535 INFO L227 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 87.6% of their original sizes. [2018-11-23 13:36:12,535 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:36:12,716 INFO L415 sIntCurrentIteration]: We unified 217 AI predicates to 217 [2018-11-23 13:36:12,716 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:36:12,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:36:12,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [9] total 27 [2018-11-23 13:36:12,717 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:36:12,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 13:36:12,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 13:36:12,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2018-11-23 13:36:12,718 INFO L87 Difference]: Start difference. First operand 4400 states and 5290 transitions. Second operand 20 states. [2018-11-23 13:36:24,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:36:24,242 INFO L93 Difference]: Finished difference Result 8210 states and 9949 transitions. [2018-11-23 13:36:24,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-23 13:36:24,243 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 218 [2018-11-23 13:36:24,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:36:24,243 INFO L225 Difference]: With dead ends: 8210 [2018-11-23 13:36:24,243 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:36:24,251 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=444, Invalid=2006, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 13:36:24,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:36:24,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:36:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:36:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:36:24,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2018-11-23 13:36:24,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:36:24,252 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:36:24,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 13:36:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:36:24,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:36:24,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:36:24,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,525 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 149 [2018-11-23 13:36:24,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:36:24,791 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 77 [2018-11-23 13:36:26,557 WARN L180 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 251 DAG size of output: 123 [2018-11-23 13:36:27,321 WARN L180 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 108 [2018-11-23 13:36:27,805 WARN L180 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 104 [2018-11-23 13:36:27,807 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:36:27,807 INFO L444 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)) [2018-11-23 13:36:27,807 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:36:27,807 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,807 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 511) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 13:36:27,808 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 13:36:27,809 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,810 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,811 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 13:36:27,812 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 13:36:27,813 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,814 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 13:36:27,815 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 13:36:27,816 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 13:36:27,817 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,818 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L444 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)))) [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 13:36:27,819 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 13:36:27,820 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,821 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 13:36:27,822 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 13:36:27,823 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 13:36:27,823 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 13:36:27,823 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 13:36:27,823 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:36:27,823 INFO L444 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)) [2018-11-23 13:36:27,823 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:36:27,823 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:36:27,823 INFO L444 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))) [2018-11-23 13:36:27,823 INFO L444 ceAbstractionStarter]: At program point L606-2(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))))) [2018-11-23 13:36:27,824 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 13:36:27,824 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 13:36:27,824 INFO L444 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))))) [2018-11-23 13:36:27,824 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 13:36:27,824 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 13:36:27,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:36:27 BoogieIcfgContainer [2018-11-23 13:36:27,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:36:27,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:36:27,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:36:27,837 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:36:27,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:35:54" (3/4) ... [2018-11-23 13:36:27,841 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:36:27,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:36:27,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 13:36:27,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:36:27,859 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 13:36:27,859 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 13:36:27,884 WARN L221 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) [2018-11-23 13:36:27,942 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_879a6e70-8b38-47c4-b045-79fb6a01b338/bin-2019/utaipan/witness.graphml [2018-11-23 13:36:27,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:36:27,942 INFO L168 Benchmark]: Toolchain (without parser) took 34291.06 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 956.4 MB in the beginning and 1.6 GB in the end (delta: -620.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 13:36:27,943 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-23 13:36:27,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.13 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:36:27,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 921.5 MB in the beginning and 1.2 GB in the end (delta: -234.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:36:27,943 INFO L168 Benchmark]: Boogie Preprocessor took 46.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:36:27,944 INFO L168 Benchmark]: RCFGBuilder took 775.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 102.3 MB). Peak memory consumption was 102.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:36:27,944 INFO L168 Benchmark]: TraceAbstraction took 32891.25 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -564.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-23 13:36:27,944 INFO L168 Benchmark]: Witness Printer took 105.93 ms. Allocated memory is still 2.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:36:27,945 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 390.13 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 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 78.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 921.5 MB in the beginning and 1.2 GB in the end (delta: -234.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 775.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 102.3 MB). Peak memory consumption was 102.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32891.25 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -564.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 105.93 ms. Allocated memory is still 2.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 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, 236 locations, 1 error locations. SAFE Result, 32.8s OverallTime, 8 OverallIterations, 7 TraceHistogramMax, 24.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1257 SDtfs, 9799 SDslu, 1874 SDs, 0 SdLazy, 14509 SolverSat, 2834 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1528 GetRequests, 1380 SyntacticMatches, 8 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4400occurred 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, 0.9960404027044933 AbsIntWeakeningRatio, 0.24962630792227206 AbsIntAvgWeakeningVarsNumRemoved, 25.585949177877428 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 683 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 123 PreInvPairs, 204 NumberOfFragments, 1464 HoareAnnotationTreeSize, 123 FomulaSimplifications, 8904 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10362 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1665 NumberOfCodeBlocks, 1665 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2020 ConstructedInterpolants, 0 QuantifiedInterpolants, 573843 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1016 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 874/1021 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...