./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_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_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/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 5360c3d4aebe9582cd01259f723ea710f280bf1f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:20:34,846 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:20:34,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:20:34,854 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:20:34,854 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:20:34,855 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:20:34,856 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:20:34,857 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:20:34,859 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:20:34,859 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:20:34,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:20:34,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:20:34,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:20:34,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:20:34,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:20:34,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:20:34,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:20:34,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:20:34,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:20:34,869 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:20:34,870 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:20:34,871 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:20:34,873 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:20:34,873 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:20:34,873 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:20:34,874 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:20:34,875 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:20:34,876 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:20:34,876 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:20:34,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:20:34,878 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:20:34,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:20:34,878 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:20:34,878 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:20:34,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:20:34,880 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:20:34,880 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:20:34,892 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:20:34,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:20:34,893 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:20:34,893 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:20:34,894 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:20:34,894 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:20:34,894 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:20:34,894 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:20:34,894 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:20:34,894 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:20:34,895 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:20:34,895 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:20:34,895 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:20:34,895 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:20:34,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:20:34,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:20:34,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:20:34,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:20:34,896 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:20:34,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:20:34,897 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:20:34,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:20:34,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:20:34,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:20:34,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:20:34,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:20:34,898 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:20:34,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:20:34,898 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:20:34,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:20:34,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:20:34,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:20:34,898 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:20:34,898 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:20:34,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:20:34,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:20:34,899 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:20:34,899 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_4b23ab3f-a732-49dd-81f5-fb20aa62042a/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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2018-11-23 04:20:34,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:20:34,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:20:34,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:20:34,937 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:20:34,938 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:20:34,938 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-11-23 04:20:34,982 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/data/abbc85a66/ebd72885f7514b8c97f7381467ab8712/FLAGb91c37f0d [2018-11-23 04:20:35,413 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:20:35,414 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/sv-benchmarks/c/eca-rers2012/Problem02_label20_true-unreach-call_false-termination.c [2018-11-23 04:20:35,425 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/data/abbc85a66/ebd72885f7514b8c97f7381467ab8712/FLAGb91c37f0d [2018-11-23 04:20:35,758 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/data/abbc85a66/ebd72885f7514b8c97f7381467ab8712 [2018-11-23 04:20:35,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:20:35,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:20:35,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:20:35,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:20:35,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:20:35,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:20:35" (1/1) ... [2018-11-23 04:20:35,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ddd63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:35, skipping insertion in model container [2018-11-23 04:20:35,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:20:35" (1/1) ... [2018-11-23 04:20:35,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:20:35,818 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:20:36,075 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:20:36,080 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:20:36,155 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:20:36,169 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:20:36,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36 WrapperNode [2018-11-23 04:20:36,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:20:36,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:20:36,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:20:36,171 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:20:36,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (1/1) ... [2018-11-23 04:20:36,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (1/1) ... [2018-11-23 04:20:36,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:20:36,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:20:36,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:20:36,259 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:20:36,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (1/1) ... [2018-11-23 04:20:36,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (1/1) ... [2018-11-23 04:20:36,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (1/1) ... [2018-11-23 04:20:36,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (1/1) ... [2018-11-23 04:20:36,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (1/1) ... [2018-11-23 04:20:36,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (1/1) ... [2018-11-23 04:20:36,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (1/1) ... [2018-11-23 04:20:36,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:20:36,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:20:36,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:20:36,316 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:20:36,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/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 04:20:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 04:20:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:20:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:20:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 04:20:36,362 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 04:20:36,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:20:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:20:36,363 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:20:36,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:20:37,276 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:20:37,276 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 04:20:37,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:37 BoogieIcfgContainer [2018-11-23 04:20:37,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:20:37,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:20:37,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:20:37,281 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:20:37,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:20:35" (1/3) ... [2018-11-23 04:20:37,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0641a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:20:37, skipping insertion in model container [2018-11-23 04:20:37,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:20:36" (2/3) ... [2018-11-23 04:20:37,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0641a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:20:37, skipping insertion in model container [2018-11-23 04:20:37,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:37" (3/3) ... [2018-11-23 04:20:37,285 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label20_true-unreach-call_false-termination.c [2018-11-23 04:20:37,295 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:20:37,303 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:20:37,321 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:20:37,354 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:20:37,354 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:20:37,354 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:20:37,354 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:20:37,354 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:20:37,355 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:20:37,355 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:20:37,355 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:20:37,377 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 04:20:37,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 04:20:37,386 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:37,387 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] [2018-11-23 04:20:37,389 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:37,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:37,395 INFO L82 PathProgramCache]: Analyzing trace with hash 927745969, now seen corresponding path program 1 times [2018-11-23 04:20:37,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:37,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:37,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:37,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:37,450 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:37,754 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 04:20:37,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:20:37,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:20:37,756 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:20:37,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:20:37,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:20:37,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:20:37,778 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 04:20:38,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:38,548 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-11-23 04:20:38,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:20:38,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2018-11-23 04:20:38,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:38,564 INFO L225 Difference]: With dead ends: 615 [2018-11-23 04:20:38,564 INFO L226 Difference]: Without dead ends: 377 [2018-11-23 04:20:38,569 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 04:20:38,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-23 04:20:38,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-11-23 04:20:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-23 04:20:38,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 619 transitions. [2018-11-23 04:20:38,628 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 619 transitions. Word has length 105 [2018-11-23 04:20:38,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:38,629 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 619 transitions. [2018-11-23 04:20:38,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:20:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 619 transitions. [2018-11-23 04:20:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 04:20:38,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:38,634 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 04:20:38,634 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:38,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:38,634 INFO L82 PathProgramCache]: Analyzing trace with hash -643989844, now seen corresponding path program 1 times [2018-11-23 04:20:38,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:38,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:38,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:38,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:38,637 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:38,761 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:20:38,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:20:38,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:20:38,761 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:20:38,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:20:38,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:20:38,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:20:38,763 INFO L87 Difference]: Start difference. First operand 377 states and 619 transitions. Second operand 6 states. [2018-11-23 04:20:39,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:39,515 INFO L93 Difference]: Finished difference Result 1220 states and 2085 transitions. [2018-11-23 04:20:39,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 04:20:39,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 120 [2018-11-23 04:20:39,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:39,525 INFO L225 Difference]: With dead ends: 1220 [2018-11-23 04:20:39,525 INFO L226 Difference]: Without dead ends: 849 [2018-11-23 04:20:39,528 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 04:20:39,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2018-11-23 04:20:39,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 819. [2018-11-23 04:20:39,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2018-11-23 04:20:39,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1288 transitions. [2018-11-23 04:20:39,569 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1288 transitions. Word has length 120 [2018-11-23 04:20:39,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:39,569 INFO L480 AbstractCegarLoop]: Abstraction has 819 states and 1288 transitions. [2018-11-23 04:20:39,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:20:39,570 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1288 transitions. [2018-11-23 04:20:39,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 04:20:39,575 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:39,575 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:39,575 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:39,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:39,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1294788921, now seen corresponding path program 1 times [2018-11-23 04:20:39,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:39,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:39,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:39,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:39,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 04:20:39,717 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:39,717 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:20:39,718 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 129 with the following transitions: [2018-11-23 04:20:39,720 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [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], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:20:39,755 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:20:39,755 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:20:40,120 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:20:40,121 INFO L272 AbstractInterpreter]: Visited 106 different actions 106 times. Never merged. Never widened. Performed 1215 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1215 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 04:20:40,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:40,142 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:20:40,385 INFO L227 lantSequenceWeakener]: Weakened 119 states. On average, predicates are now at 80.72% of their original sizes. [2018-11-23 04:20:40,386 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:20:40,426 INFO L415 sIntCurrentIteration]: We unified 127 AI predicates to 127 [2018-11-23 04:20:40,426 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:20:40,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:20:40,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 04:20:40,427 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:20:40,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:20:40,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:20:40,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:20:40,428 INFO L87 Difference]: Start difference. First operand 819 states and 1288 transitions. Second operand 6 states. [2018-11-23 04:20:43,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:43,554 INFO L93 Difference]: Finished difference Result 1780 states and 2795 transitions. [2018-11-23 04:20:43,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:20:43,554 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2018-11-23 04:20:43,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:43,559 INFO L225 Difference]: With dead ends: 1780 [2018-11-23 04:20:43,560 INFO L226 Difference]: Without dead ends: 967 [2018-11-23 04:20:43,562 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 128 GetRequests, 123 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 04:20:43,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-11-23 04:20:43,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 965. [2018-11-23 04:20:43,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2018-11-23 04:20:43,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1441 transitions. [2018-11-23 04:20:43,588 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1441 transitions. Word has length 128 [2018-11-23 04:20:43,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:43,588 INFO L480 AbstractCegarLoop]: Abstraction has 965 states and 1441 transitions. [2018-11-23 04:20:43,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:20:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1441 transitions. [2018-11-23 04:20:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 04:20:43,592 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:43,592 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-11-23 04:20:43,593 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:43,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:43,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1390947400, now seen corresponding path program 1 times [2018-11-23 04:20:43,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:43,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:43,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:43,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:43,595 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 04:20:43,710 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:43,710 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:20:43,710 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 138 with the following transitions: [2018-11-23 04:20:43,710 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [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], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:20:43,716 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:20:43,717 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:20:44,111 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:20:44,112 INFO L272 AbstractInterpreter]: Visited 110 different actions 325 times. Merged at 6 different actions 15 times. Never widened. Performed 3794 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3794 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 04:20:44,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:44,115 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:20:44,390 INFO L227 lantSequenceWeakener]: Weakened 134 states. On average, predicates are now at 84.31% of their original sizes. [2018-11-23 04:20:44,390 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:20:44,468 INFO L415 sIntCurrentIteration]: We unified 136 AI predicates to 136 [2018-11-23 04:20:44,469 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:20:44,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:20:44,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 04:20:44,470 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:20:44,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:20:44,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:20:44,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:20:44,471 INFO L87 Difference]: Start difference. First operand 965 states and 1441 transitions. Second operand 9 states. [2018-11-23 04:20:47,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:47,849 INFO L93 Difference]: Finished difference Result 2380 states and 3567 transitions. [2018-11-23 04:20:47,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 04:20:47,849 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 137 [2018-11-23 04:20:47,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:47,855 INFO L225 Difference]: With dead ends: 2380 [2018-11-23 04:20:47,856 INFO L226 Difference]: Without dead ends: 1421 [2018-11-23 04:20:47,859 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 04:20:47,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2018-11-23 04:20:47,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1344. [2018-11-23 04:20:47,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2018-11-23 04:20:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1922 transitions. [2018-11-23 04:20:47,899 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1922 transitions. Word has length 137 [2018-11-23 04:20:47,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:47,899 INFO L480 AbstractCegarLoop]: Abstraction has 1344 states and 1922 transitions. [2018-11-23 04:20:47,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:20:47,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1922 transitions. [2018-11-23 04:20:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 04:20:47,902 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:47,903 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:47,903 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:47,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:47,903 INFO L82 PathProgramCache]: Analyzing trace with hash 487274632, now seen corresponding path program 1 times [2018-11-23 04:20:47,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:47,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:47,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:47,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:47,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:20:47,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:47,997 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:20:47,998 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-23 04:20:47,998 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [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], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:20:48,001 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:20:48,002 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:20:48,138 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:20:48,139 INFO L272 AbstractInterpreter]: Visited 109 different actions 212 times. Merged at 4 different actions 4 times. Never widened. Performed 2407 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2407 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 04:20:48,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:48,146 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:20:48,313 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 80.73% of their original sizes. [2018-11-23 04:20:48,313 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:20:48,384 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-11-23 04:20:48,384 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:20:48,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:20:48,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 04:20:48,385 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:20:48,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 04:20:48,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 04:20:48,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:20:48,386 INFO L87 Difference]: Start difference. First operand 1344 states and 1922 transitions. Second operand 10 states. [2018-11-23 04:20:51,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:51,822 INFO L93 Difference]: Finished difference Result 2978 states and 4231 transitions. [2018-11-23 04:20:51,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 04:20:51,823 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-11-23 04:20:51,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:51,829 INFO L225 Difference]: With dead ends: 2978 [2018-11-23 04:20:51,829 INFO L226 Difference]: Without dead ends: 1640 [2018-11-23 04:20:51,833 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 04:20:51,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2018-11-23 04:20:51,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1637. [2018-11-23 04:20:51,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-23 04:20:51,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2262 transitions. [2018-11-23 04:20:51,874 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2262 transitions. Word has length 136 [2018-11-23 04:20:51,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:51,875 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2262 transitions. [2018-11-23 04:20:51,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 04:20:51,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2262 transitions. [2018-11-23 04:20:51,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 04:20:51,880 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:51,880 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 04:20:51,880 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:51,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:51,881 INFO L82 PathProgramCache]: Analyzing trace with hash -43076848, now seen corresponding path program 1 times [2018-11-23 04:20:51,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:51,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:51,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:51,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:51,882 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 04:20:52,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:52,003 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:20:52,003 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-11-23 04:20:52,004 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [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], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:20:52,006 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:20:52,007 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:20:52,186 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:20:52,187 INFO L272 AbstractInterpreter]: Visited 110 different actions 323 times. Merged at 6 different actions 15 times. Never widened. Performed 3988 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3988 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 04:20:52,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:52,189 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:20:52,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:52,189 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/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 04:20:52,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:52,271 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:20:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:52,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:20:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:20:52,383 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:20:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:20:52,451 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:20:52,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-23 04:20:52,452 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:20:52,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:20:52,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:20:52,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:20:52,453 INFO L87 Difference]: Start difference. First operand 1637 states and 2262 transitions. Second operand 3 states. [2018-11-23 04:20:52,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:52,892 INFO L93 Difference]: Finished difference Result 4401 states and 6368 transitions. [2018-11-23 04:20:52,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:20:52,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-11-23 04:20:52,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:52,905 INFO L225 Difference]: With dead ends: 4401 [2018-11-23 04:20:52,905 INFO L226 Difference]: Without dead ends: 2770 [2018-11-23 04:20:52,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 282 SyntacticMatches, 2 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 04:20:52,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2018-11-23 04:20:52,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2769. [2018-11-23 04:20:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2018-11-23 04:20:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3701 transitions. [2018-11-23 04:20:52,958 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3701 transitions. Word has length 140 [2018-11-23 04:20:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:52,959 INFO L480 AbstractCegarLoop]: Abstraction has 2769 states and 3701 transitions. [2018-11-23 04:20:52,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:20:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3701 transitions. [2018-11-23 04:20:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 04:20:52,963 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:52,964 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:52,964 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:52,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:52,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1053781276, now seen corresponding path program 1 times [2018-11-23 04:20:52,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:52,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:52,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:52,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:52,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:20:53,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:53,047 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:20:53,047 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-23 04:20:53,047 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [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], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:20:53,050 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:20:53,050 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:20:53,210 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:20:53,211 INFO L272 AbstractInterpreter]: Visited 110 different actions 323 times. Merged at 6 different actions 15 times. Never widened. Performed 3918 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3918 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 04:20:53,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:53,218 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:20:53,218 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:53,218 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/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 04:20:53,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:53,226 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:20:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:53,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:20:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:20:53,322 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:20:53,368 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:20:53,384 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:20:53,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-11-23 04:20:53,385 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:20:53,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:20:53,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:20:53,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:20:53,386 INFO L87 Difference]: Start difference. First operand 2769 states and 3701 transitions. Second operand 6 states. [2018-11-23 04:20:54,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:54,342 INFO L93 Difference]: Finished difference Result 9593 states and 13572 transitions. [2018-11-23 04:20:54,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 04:20:54,342 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-23 04:20:54,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:54,376 INFO L225 Difference]: With dead ends: 9593 [2018-11-23 04:20:54,376 INFO L226 Difference]: Without dead ends: 6830 [2018-11-23 04:20:54,394 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:20:54,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6830 states. [2018-11-23 04:20:54,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6830 to 6816. [2018-11-23 04:20:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6816 states. [2018-11-23 04:20:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6816 states to 6816 states and 9096 transitions. [2018-11-23 04:20:54,599 INFO L78 Accepts]: Start accepts. Automaton has 6816 states and 9096 transitions. Word has length 153 [2018-11-23 04:20:54,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:54,659 INFO L480 AbstractCegarLoop]: Abstraction has 6816 states and 9096 transitions. [2018-11-23 04:20:54,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:20:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 6816 states and 9096 transitions. [2018-11-23 04:20:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 04:20:54,678 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:20:54,678 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:20:54,679 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:20:54,679 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:54,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1661840599, now seen corresponding path program 1 times [2018-11-23 04:20:54,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:20:54,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:54,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:54,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:20:54,680 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:20:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 123 proven. 51 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 04:20:54,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:54,910 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:20:54,910 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-11-23 04:20:54,911 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [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], [225], [228], [232], [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], [519], [521], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:20:54,913 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:20:54,913 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:20:55,137 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:20:55,137 INFO L272 AbstractInterpreter]: Visited 116 different actions 337 times. Merged at 8 different actions 19 times. Never widened. Performed 4069 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4069 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 04:20:55,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:20:55,141 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:20:55,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:20:55,142 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:20:55,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:20:55,150 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:20:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:20:55,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:20:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 128 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 04:20:55,260 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:20:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 137 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 04:20:55,353 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:20:55,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-23 04:20:55,353 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:20:55,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 04:20:55,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 04:20:55,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-23 04:20:55,354 INFO L87 Difference]: Start difference. First operand 6816 states and 9096 transitions. Second operand 15 states. [2018-11-23 04:20:57,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:20:57,323 INFO L93 Difference]: Finished difference Result 14658 states and 20014 transitions. [2018-11-23 04:20:57,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 04:20:57,324 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 218 [2018-11-23 04:20:57,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:20:57,324 INFO L225 Difference]: With dead ends: 14658 [2018-11-23 04:20:57,324 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:20:57,359 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 446 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=277, Invalid=715, Unknown=0, NotChecked=0, Total=992 [2018-11-23 04:20:57,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:20:57,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:20:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:20:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:20:57,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2018-11-23 04:20:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:20:57,360 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:20:57,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 04:20:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:20:57,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:20:57,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:20:57,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:57,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:57,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:57,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:57,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:57,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:57,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:20:57,921 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 34 [2018-11-23 04:20:58,088 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:20:58,088 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-23 04:20:58,088 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:20:58,088 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,088 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 04:20:58,089 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,090 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 04:20:58,091 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 04:20:58,092 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 04:20:58,093 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 04:20:58,093 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 04:20:58,093 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 04:20:58,093 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 04:20:58,093 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 04:20:58,093 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 04:20:58,093 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 04:20:58,095 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,095 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,095 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,095 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,095 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 04:20:58,096 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 04:20:58,097 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 04:20:58,098 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,099 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 04:20:58,100 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 04:20:58,101 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,101 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,101 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,101 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,101 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,101 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,101 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 04:20:58,101 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 04:20:58,103 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 04:20:58,103 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,104 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 04:20:58,105 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 04:20:58,106 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 04:20:58,106 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 04:20:58,106 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 04:20:58,106 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 04:20:58,106 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 04:20:58,106 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 04:20:58,106 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,106 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,106 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,106 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= |old(~a28~0)| ~a28~0)) (.cse3 (= |old(~a19~0)| ~a19~0)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (and .cse2 .cse3 .cse4 (= 7 ~a17~0) .cse5)) (.cse1 (not (= 7 |old(~a17~0)|)))) (and (or (< |old(~a28~0)| 10) .cse0 .cse1) (or .cse0 (not (= 1 |old(~a25~0)|)) .cse1) (or (not (= |old(~a17~0)| 8)) (and .cse2 .cse3 .cse4 (= ~a17~0 |old(~a17~0)|) .cse5))))) [2018-11-23 04:20:58,106 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 04:20:58,107 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 04:20:58,108 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 04:20:58,109 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 04:20:58,110 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 04:20:58,111 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 04:20:58,112 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 04:20:58,112 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 04:20:58,112 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:20:58,112 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 04:20:58,112 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:20:58,112 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:20:58,112 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|)) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 04:20:58,112 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= 1 ~a25~0)) (and (<= 10 ~a28~0) .cse0) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-23 04:20:58,113 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 04:20:58,113 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 04:20:58,113 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (= 1 ~a25~0)) (and (<= 10 ~a28~0) .cse0) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-23 04:20:58,113 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 04:20:58,113 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 04:20:58,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:20:58 BoogieIcfgContainer [2018-11-23 04:20:58,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:20:58,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:20:58,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:20:58,128 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:20:58,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:20:37" (3/4) ... [2018-11-23 04:20:58,133 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:20:58,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:20:58,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 04:20:58,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:20:58,152 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 04:20:58,153 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 04:20:58,182 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == a21) || !(7 == \old(a28))) || (7 == a17 && 1 == a25)) || (10 <= a28 && 7 == a17)) || !(0 == \old(a11))) || \old(a17) == a17) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-23 04:20:58,264 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4b23ab3f-a732-49dd-81f5-fb20aa62042a/bin-2019/utaipan/witness.graphml [2018-11-23 04:20:58,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:20:58,265 INFO L168 Benchmark]: Toolchain (without parser) took 22503.23 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 956.5 MB in the beginning and 1.6 GB in the end (delta: -663.5 MB). Peak memory consumption was 348.9 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:58,265 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:20:58,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.20 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 924.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:58,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -215.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:58,267 INFO L168 Benchmark]: Boogie Preprocessor took 56.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:58,267 INFO L168 Benchmark]: RCFGBuilder took 961.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:58,267 INFO L168 Benchmark]: TraceAbstraction took 20849.78 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 868.2 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -608.8 MB). Peak memory consumption was 259.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:58,267 INFO L168 Benchmark]: Witness Printer took 136.32 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:20:58,269 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 407.20 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 924.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 924.2 MB in the beginning and 1.1 GB in the end (delta: -215.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 961.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20849.78 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 868.2 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -608.8 MB). Peak memory consumption was 259.4 MB. Max. memory is 11.5 GB. * Witness Printer took 136.32 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: 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: (((((((!(1 == a21) || !(7 == \old(a28))) || (7 == a17 && 1 == a25)) || (10 <= a28 && 7 == a17)) || !(0 == \old(a11))) || \old(a17) == a17) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 20.7s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 15.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1575 SDtfs, 6614 SDslu, 1888 SDs, 0 SdLazy, 9618 SolverSat, 1955 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1516 GetRequests, 1418 SyntacticMatches, 9 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6816occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.9963742859915199 AbsIntWeakeningRatio, 0.2638190954773869 AbsIntAvgWeakeningVarsNumRemoved, 26.2035175879397 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 127 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 139 PreInvPairs, 239 NumberOfFragments, 233 HoareAnnotationTreeSize, 139 FomulaSimplifications, 6179 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3696 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1648 NumberOfCodeBlocks, 1648 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2145 ConstructedInterpolants, 0 QuantifiedInterpolants, 685886 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1375 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 889/992 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...