./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1af67db67a88433de1a31e57b46e50dcbb6e7d8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:06:52,908 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:06:52,909 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:06:52,919 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:06:52,919 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:06:52,920 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:06:52,921 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:06:52,922 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:06:52,923 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:06:52,924 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:06:52,925 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:06:52,925 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:06:52,926 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:06:52,927 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:06:52,928 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:06:52,928 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:06:52,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:06:52,930 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:06:52,932 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:06:52,933 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:06:52,934 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:06:52,935 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:06:52,937 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:06:52,937 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:06:52,937 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:06:52,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:06:52,938 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:06:52,939 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:06:52,940 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:06:52,940 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:06:52,941 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:06:52,941 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:06:52,941 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:06:52,941 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:06:52,942 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:06:52,943 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:06:52,943 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 02:06:52,954 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:06:52,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:06:52,955 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:06:52,955 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:06:52,955 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 02:06:52,956 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 02:06:52,956 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 02:06:52,956 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 02:06:52,956 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 02:06:52,956 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 02:06:52,956 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 02:06:52,956 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 02:06:52,957 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 02:06:52,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:06:52,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:06:52,958 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:06:52,958 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:06:52,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:06:52,958 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:06:52,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:06:52,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:06:52,958 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:06:52,959 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:06:52,959 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:06:52,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:06:52,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:06:52,959 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:06:52,959 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:06:52,959 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:06:52,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:06:52,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:06:52,960 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:06:52,960 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:06:52,960 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 02:06:52,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:06:52,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:06:52,961 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 02:06:52,961 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_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1af67db67a88433de1a31e57b46e50dcbb6e7d8 [2018-11-23 02:06:52,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:06:52,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:06:52,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:06:53,000 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:06:53,000 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:06:53,001 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c [2018-11-23 02:06:53,043 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/data/6f7a30a76/756cb21c446c447a9549f45e08240399/FLAG6badacb4e [2018-11-23 02:06:53,434 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:06:53,435 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/sv-benchmarks/c/eca-rers2012/Problem01_label27_true-unreach-call_false-termination.c [2018-11-23 02:06:53,444 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/data/6f7a30a76/756cb21c446c447a9549f45e08240399/FLAG6badacb4e [2018-11-23 02:06:53,806 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/data/6f7a30a76/756cb21c446c447a9549f45e08240399 [2018-11-23 02:06:53,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:06:53,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:06:53,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:06:53,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:06:53,812 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:06:53,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:53" (1/1) ... [2018-11-23 02:06:53,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e42f8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:53, skipping insertion in model container [2018-11-23 02:06:53,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:53" (1/1) ... [2018-11-23 02:06:53,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:06:53,864 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:06:54,119 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:06:54,123 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:06:54,176 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:06:54,185 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:06:54,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54 WrapperNode [2018-11-23 02:06:54,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:06:54,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:06:54,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:06:54,186 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:06:54,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (1/1) ... [2018-11-23 02:06:54,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (1/1) ... [2018-11-23 02:06:54,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:06:54,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:06:54,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:06:54,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:06:54,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (1/1) ... [2018-11-23 02:06:54,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (1/1) ... [2018-11-23 02:06:54,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (1/1) ... [2018-11-23 02:06:54,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (1/1) ... [2018-11-23 02:06:54,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (1/1) ... [2018-11-23 02:06:54,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (1/1) ... [2018-11-23 02:06:54,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (1/1) ... [2018-11-23 02:06:54,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:06:54,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:06:54,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:06:54,331 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:06:54,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/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 02:06:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 02:06:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:06:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:06:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 02:06:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 02:06:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:06:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:06:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:06:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:06:55,181 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:06:55,181 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 02:06:55,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:55 BoogieIcfgContainer [2018-11-23 02:06:55,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:06:55,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:06:55,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:06:55,185 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:06:55,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:06:53" (1/3) ... [2018-11-23 02:06:55,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7910aa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:55, skipping insertion in model container [2018-11-23 02:06:55,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:54" (2/3) ... [2018-11-23 02:06:55,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7910aa92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:55, skipping insertion in model container [2018-11-23 02:06:55,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:55" (3/3) ... [2018-11-23 02:06:55,188 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label27_true-unreach-call_false-termination.c [2018-11-23 02:06:55,195 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:06:55,201 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:06:55,211 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:06:55,237 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:06:55,237 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:06:55,237 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:06:55,237 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:06:55,238 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:06:55,238 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:06:55,238 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:06:55,238 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:06:55,256 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 02:06:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 02:06:55,263 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:06:55,264 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] [2018-11-23 02:06:55,266 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:06:55,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:06:55,270 INFO L82 PathProgramCache]: Analyzing trace with hash -2139727354, now seen corresponding path program 1 times [2018-11-23 02:06:55,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:06:55,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:55,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:06:55,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:55,305 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:06:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:06:55,598 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 02:06:55,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:06:55,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 02:06:55,600 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:06:55,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 02:06:55,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 02:06:55,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:06:55,614 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2018-11-23 02:06:56,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:06:56,455 INFO L93 Difference]: Finished difference Result 698 states and 1223 transitions. [2018-11-23 02:06:56,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 02:06:56,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-11-23 02:06:56,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:06:56,469 INFO L225 Difference]: With dead ends: 698 [2018-11-23 02:06:56,469 INFO L226 Difference]: Without dead ends: 485 [2018-11-23 02:06:56,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 02:06:56,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-11-23 02:06:56,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 338. [2018-11-23 02:06:56,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 02:06:56,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 563 transitions. [2018-11-23 02:06:56,519 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 563 transitions. Word has length 94 [2018-11-23 02:06:56,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:06:56,519 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 563 transitions. [2018-11-23 02:06:56,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 02:06:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 563 transitions. [2018-11-23 02:06:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 02:06:56,524 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:06:56,524 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:06:56,525 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:06:56,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:06:56,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1455606109, now seen corresponding path program 1 times [2018-11-23 02:06:56,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:06:56,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:56,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:06:56,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:56,528 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:06:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:06:56,609 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:06:56,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:06:56,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:06:56,611 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:06:56,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:06:56,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:06:56,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:06:56,613 INFO L87 Difference]: Start difference. First operand 338 states and 563 transitions. Second operand 6 states. [2018-11-23 02:06:57,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:06:57,213 INFO L93 Difference]: Finished difference Result 1062 states and 1857 transitions. [2018-11-23 02:06:57,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:06:57,213 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-23 02:06:57,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:06:57,218 INFO L225 Difference]: With dead ends: 1062 [2018-11-23 02:06:57,218 INFO L226 Difference]: Without dead ends: 730 [2018-11-23 02:06:57,220 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 02:06:57,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-11-23 02:06:57,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 715. [2018-11-23 02:06:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2018-11-23 02:06:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1159 transitions. [2018-11-23 02:06:57,250 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1159 transitions. Word has length 104 [2018-11-23 02:06:57,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:06:57,250 INFO L480 AbstractCegarLoop]: Abstraction has 715 states and 1159 transitions. [2018-11-23 02:06:57,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:06:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1159 transitions. [2018-11-23 02:06:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 02:06:57,254 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:06:57,254 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:06:57,254 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:06:57,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:06:57,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1089398559, now seen corresponding path program 1 times [2018-11-23 02:06:57,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:06:57,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:57,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:06:57,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:57,257 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:06:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:06:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:06:57,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:06:57,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 02:06:57,353 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:06:57,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:06:57,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:06:57,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:06:57,354 INFO L87 Difference]: Start difference. First operand 715 states and 1159 transitions. Second operand 3 states. [2018-11-23 02:06:57,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:06:57,793 INFO L93 Difference]: Finished difference Result 2053 states and 3435 transitions. [2018-11-23 02:06:57,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:06:57,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2018-11-23 02:06:57,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:06:57,802 INFO L225 Difference]: With dead ends: 2053 [2018-11-23 02:06:57,802 INFO L226 Difference]: Without dead ends: 1344 [2018-11-23 02:06:57,806 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 02:06:57,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2018-11-23 02:06:57,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 1337. [2018-11-23 02:06:57,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1337 states. [2018-11-23 02:06:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 2077 transitions. [2018-11-23 02:06:57,850 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 2077 transitions. Word has length 105 [2018-11-23 02:06:57,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:06:57,850 INFO L480 AbstractCegarLoop]: Abstraction has 1337 states and 2077 transitions. [2018-11-23 02:06:57,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:06:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 2077 transitions. [2018-11-23 02:06:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 02:06:57,855 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:06:57,855 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:06:57,856 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:06:57,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:06:57,856 INFO L82 PathProgramCache]: Analyzing trace with hash -414370937, now seen corresponding path program 1 times [2018-11-23 02:06:57,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:06:57,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:57,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:06:57,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:57,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:06:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:06:57,986 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:06:57,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:06:57,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 02:06:57,987 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:06:57,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 02:06:57,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 02:06:57,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:06:57,988 INFO L87 Difference]: Start difference. First operand 1337 states and 2077 transitions. Second operand 6 states. [2018-11-23 02:06:58,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:06:58,895 INFO L93 Difference]: Finished difference Result 4115 states and 6652 transitions. [2018-11-23 02:06:58,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 02:06:58,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-11-23 02:06:58,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:06:58,912 INFO L225 Difference]: With dead ends: 4115 [2018-11-23 02:06:58,912 INFO L226 Difference]: Without dead ends: 2784 [2018-11-23 02:06:58,920 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 02:06:58,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2018-11-23 02:06:58,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2762. [2018-11-23 02:06:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2762 states. [2018-11-23 02:06:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 4116 transitions. [2018-11-23 02:06:58,994 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 4116 transitions. Word has length 117 [2018-11-23 02:06:58,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:06:58,994 INFO L480 AbstractCegarLoop]: Abstraction has 2762 states and 4116 transitions. [2018-11-23 02:06:58,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 02:06:58,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 4116 transitions. [2018-11-23 02:06:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 02:06:58,998 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:06:58,999 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:06:58,999 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:06:58,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:06:58,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1750271410, now seen corresponding path program 1 times [2018-11-23 02:06:58,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:06:59,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:59,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:06:59,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:06:59,000 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:06:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:06:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:06:59,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:06:59,066 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:06:59,067 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 129 with the following transitions: [2018-11-23 02:06:59,068 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 02:06:59,108 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:06:59,109 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:06:59,666 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:06:59,668 INFO L272 AbstractInterpreter]: Visited 98 different actions 189 times. Merged at 3 different actions 3 times. Never widened. Performed 2779 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2779 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 02:06:59,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:06:59,702 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:07:00,044 INFO L227 lantSequenceWeakener]: Weakened 125 states. On average, predicates are now at 81.46% of their original sizes. [2018-11-23 02:07:00,044 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:07:00,112 INFO L415 sIntCurrentIteration]: We unified 127 AI predicates to 127 [2018-11-23 02:07:00,112 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:07:00,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:07:00,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 02:07:00,113 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:00,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:07:00,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:07:00,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:07:00,114 INFO L87 Difference]: Start difference. First operand 2762 states and 4116 transitions. Second operand 10 states. [2018-11-23 02:07:04,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:04,064 INFO L93 Difference]: Finished difference Result 7109 states and 10481 transitions. [2018-11-23 02:07:04,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 02:07:04,064 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 128 [2018-11-23 02:07:04,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:04,080 INFO L225 Difference]: With dead ends: 7109 [2018-11-23 02:07:04,080 INFO L226 Difference]: Without dead ends: 4353 [2018-11-23 02:07:04,091 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 137 GetRequests, 119 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 02:07:04,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4353 states. [2018-11-23 02:07:04,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4353 to 4316. [2018-11-23 02:07:04,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4316 states. [2018-11-23 02:07:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4316 states to 4316 states and 5698 transitions. [2018-11-23 02:07:04,189 INFO L78 Accepts]: Start accepts. Automaton has 4316 states and 5698 transitions. Word has length 128 [2018-11-23 02:07:04,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:04,189 INFO L480 AbstractCegarLoop]: Abstraction has 4316 states and 5698 transitions. [2018-11-23 02:07:04,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:07:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 4316 states and 5698 transitions. [2018-11-23 02:07:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 02:07:04,196 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:04,196 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:07:04,196 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:04,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:04,197 INFO L82 PathProgramCache]: Analyzing trace with hash 537477384, now seen corresponding path program 1 times [2018-11-23 02:07:04,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:04,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:04,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:04,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:04,198 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:04,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:04,314 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:07:04,315 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-11-23 02:07:04,315 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 02:07:04,319 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:07:04,319 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:07:04,488 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:07:04,488 INFO L272 AbstractInterpreter]: Visited 98 different actions 190 times. Merged at 4 different actions 4 times. Never widened. Performed 2661 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2661 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 02:07:04,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:04,495 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:07:04,673 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 81.47% of their original sizes. [2018-11-23 02:07:04,673 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:07:04,736 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-11-23 02:07:04,736 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:07:04,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:07:04,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 02:07:04,737 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:04,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:07:04,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:07:04,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:07:04,738 INFO L87 Difference]: Start difference. First operand 4316 states and 5698 transitions. Second operand 10 states. [2018-11-23 02:07:07,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:07,761 INFO L93 Difference]: Finished difference Result 8630 states and 11429 transitions. [2018-11-23 02:07:07,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 02:07:07,761 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-11-23 02:07:07,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:07,775 INFO L225 Difference]: With dead ends: 8630 [2018-11-23 02:07:07,775 INFO L226 Difference]: Without dead ends: 4455 [2018-11-23 02:07:07,786 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 143 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 02:07:07,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4455 states. [2018-11-23 02:07:07,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4455 to 4453. [2018-11-23 02:07:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4453 states. [2018-11-23 02:07:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4453 states to 4453 states and 5850 transitions. [2018-11-23 02:07:07,876 INFO L78 Accepts]: Start accepts. Automaton has 4453 states and 5850 transitions. Word has length 136 [2018-11-23 02:07:07,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:07,877 INFO L480 AbstractCegarLoop]: Abstraction has 4453 states and 5850 transitions. [2018-11-23 02:07:07,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:07:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4453 states and 5850 transitions. [2018-11-23 02:07:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 02:07:07,882 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:07,883 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:07:07,883 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:07,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:07,883 INFO L82 PathProgramCache]: Analyzing trace with hash 937778913, now seen corresponding path program 1 times [2018-11-23 02:07:07,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:07,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:07,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:07,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:07,884 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 54 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:07:07,951 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:07,952 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:07:07,952 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-11-23 02:07:07,953 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 02:07:07,956 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:07:07,956 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:07:08,219 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:07:08,219 INFO L272 AbstractInterpreter]: Visited 99 different actions 294 times. Merged at 6 different actions 17 times. Never widened. Performed 4274 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4274 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 02:07:08,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:08,221 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:07:08,411 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 83.23% of their original sizes. [2018-11-23 02:07:08,411 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:07:08,464 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-11-23 02:07:08,464 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:07:08,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:07:08,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-11-23 02:07:08,464 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:08,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:07:08,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:07:08,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:07:08,465 INFO L87 Difference]: Start difference. First operand 4453 states and 5850 transitions. Second operand 9 states. [2018-11-23 02:07:11,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:11,536 INFO L93 Difference]: Finished difference Result 9201 states and 12069 transitions. [2018-11-23 02:07:11,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 02:07:11,536 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2018-11-23 02:07:11,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:11,549 INFO L225 Difference]: With dead ends: 9201 [2018-11-23 02:07:11,549 INFO L226 Difference]: Without dead ends: 5026 [2018-11-23 02:07:11,559 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 02:07:11,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5026 states. [2018-11-23 02:07:11,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5026 to 4978. [2018-11-23 02:07:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4978 states. [2018-11-23 02:07:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4978 states to 4978 states and 6389 transitions. [2018-11-23 02:07:11,654 INFO L78 Accepts]: Start accepts. Automaton has 4978 states and 6389 transitions. Word has length 147 [2018-11-23 02:07:11,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:11,655 INFO L480 AbstractCegarLoop]: Abstraction has 4978 states and 6389 transitions. [2018-11-23 02:07:11,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:07:11,655 INFO L276 IsEmpty]: Start isEmpty. Operand 4978 states and 6389 transitions. [2018-11-23 02:07:11,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 02:07:11,661 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:11,661 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:07:11,661 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:11,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:11,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1020950210, now seen corresponding path program 1 times [2018-11-23 02:07:11,662 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:11,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:11,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:11,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:11,663 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 02:07:11,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:11,732 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:07:11,732 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-23 02:07:11,733 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 02:07:11,738 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:07:11,739 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:07:12,013 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:07:12,014 INFO L272 AbstractInterpreter]: Visited 101 different actions 404 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6035 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6035 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 02:07:12,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:12,020 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:07:12,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:12,020 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/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 02:07:12,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:12,027 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:07:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:12,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:07:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 02:07:12,177 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:07:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 02:07:12,326 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:07:12,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-23 02:07:12,326 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:07:12,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 02:07:12,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 02:07:12,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 02:07:12,327 INFO L87 Difference]: Start difference. First operand 4978 states and 6389 transitions. Second operand 8 states. [2018-11-23 02:07:14,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:14,203 INFO L93 Difference]: Finished difference Result 13285 states and 17921 transitions. [2018-11-23 02:07:14,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 02:07:14,204 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2018-11-23 02:07:14,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:14,220 INFO L225 Difference]: With dead ends: 13285 [2018-11-23 02:07:14,220 INFO L226 Difference]: Without dead ends: 4897 [2018-11-23 02:07:14,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-23 02:07:14,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4897 states. [2018-11-23 02:07:14,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4897 to 4806. [2018-11-23 02:07:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4806 states. [2018-11-23 02:07:14,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 5567 transitions. [2018-11-23 02:07:14,348 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 5567 transitions. Word has length 166 [2018-11-23 02:07:14,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:14,348 INFO L480 AbstractCegarLoop]: Abstraction has 4806 states and 5567 transitions. [2018-11-23 02:07:14,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 02:07:14,348 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 5567 transitions. [2018-11-23 02:07:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 02:07:14,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:14,356 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:07:14,356 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:14,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:14,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1312161014, now seen corresponding path program 1 times [2018-11-23 02:07:14,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:14,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:14,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:14,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:14,358 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:14,746 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:14,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:14,746 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:07:14,746 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-11-23 02:07:14,747 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 02:07:14,749 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:07:14,749 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:07:14,853 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:07:14,853 INFO L272 AbstractInterpreter]: Visited 98 different actions 190 times. Merged at 4 different actions 4 times. Never widened. Performed 2716 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2716 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 02:07:14,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:14,855 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:07:15,015 INFO L227 lantSequenceWeakener]: Weakened 166 states. On average, predicates are now at 81.49% of their original sizes. [2018-11-23 02:07:15,015 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:07:15,068 INFO L415 sIntCurrentIteration]: We unified 168 AI predicates to 168 [2018-11-23 02:07:15,068 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:07:15,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:07:15,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2018-11-23 02:07:15,068 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:15,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 02:07:15,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 02:07:15,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:07:15,069 INFO L87 Difference]: Start difference. First operand 4806 states and 5567 transitions. Second operand 10 states. [2018-11-23 02:07:17,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:17,560 INFO L93 Difference]: Finished difference Result 9793 states and 11389 transitions. [2018-11-23 02:07:17,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 02:07:17,560 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2018-11-23 02:07:17,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:17,573 INFO L225 Difference]: With dead ends: 9793 [2018-11-23 02:07:17,573 INFO L226 Difference]: Without dead ends: 5265 [2018-11-23 02:07:17,579 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 177 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 02:07:17,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5265 states. [2018-11-23 02:07:17,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5265 to 5263. [2018-11-23 02:07:17,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5263 states. [2018-11-23 02:07:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5263 states to 5263 states and 6055 transitions. [2018-11-23 02:07:17,645 INFO L78 Accepts]: Start accepts. Automaton has 5263 states and 6055 transitions. Word has length 169 [2018-11-23 02:07:17,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:17,645 INFO L480 AbstractCegarLoop]: Abstraction has 5263 states and 6055 transitions. [2018-11-23 02:07:17,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 02:07:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 5263 states and 6055 transitions. [2018-11-23 02:07:17,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 02:07:17,650 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:17,650 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:07:17,650 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:17,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:17,651 INFO L82 PathProgramCache]: Analyzing trace with hash 90800783, now seen corresponding path program 1 times [2018-11-23 02:07:17,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:17,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:17,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:17,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:17,652 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 79 proven. 39 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:07:17,743 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:17,743 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:07:17,743 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-11-23 02:07:17,743 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 02:07:17,745 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:07:17,745 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:07:17,953 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:07:17,953 INFO L272 AbstractInterpreter]: Visited 100 different actions 397 times. Merged at 7 different actions 30 times. Never widened. Performed 5838 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5838 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 02:07:17,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:17,963 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:07:17,963 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:17,963 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/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 02:07:17,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:17,973 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:07:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:18,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:07:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 02:07:18,071 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:07:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 84 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:07:18,254 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:07:18,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 02:07:18,254 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:07:18,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 02:07:18,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 02:07:18,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:07:18,255 INFO L87 Difference]: Start difference. First operand 5263 states and 6055 transitions. Second operand 11 states. [2018-11-23 02:07:19,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:19,464 INFO L93 Difference]: Finished difference Result 14512 states and 17500 transitions. [2018-11-23 02:07:19,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 02:07:19,465 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2018-11-23 02:07:19,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:19,490 INFO L225 Difference]: With dead ends: 14512 [2018-11-23 02:07:19,490 INFO L226 Difference]: Without dead ends: 9847 [2018-11-23 02:07:19,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 357 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-23 02:07:19,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9847 states. [2018-11-23 02:07:19,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9847 to 9671. [2018-11-23 02:07:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9671 states. [2018-11-23 02:07:19,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9671 states to 9671 states and 11371 transitions. [2018-11-23 02:07:19,676 INFO L78 Accepts]: Start accepts. Automaton has 9671 states and 11371 transitions. Word has length 177 [2018-11-23 02:07:19,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:19,676 INFO L480 AbstractCegarLoop]: Abstraction has 9671 states and 11371 transitions. [2018-11-23 02:07:19,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 02:07:19,676 INFO L276 IsEmpty]: Start isEmpty. Operand 9671 states and 11371 transitions. [2018-11-23 02:07:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 02:07:19,688 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:19,689 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:07:19,689 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:19,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:19,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1000985743, now seen corresponding path program 1 times [2018-11-23 02:07:19,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:19,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:19,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:19,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:19,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 95 proven. 32 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 02:07:19,846 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:19,846 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:07:19,847 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-11-23 02:07:19,848 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 02:07:19,850 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:07:19,850 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:07:20,058 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 02:07:20,059 INFO L272 AbstractInterpreter]: Visited 99 different actions 289 times. Merged at 6 different actions 12 times. Never widened. Performed 4044 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4044 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 02:07:20,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:20,060 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 02:07:20,208 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 83.22% of their original sizes. [2018-11-23 02:07:20,209 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 02:07:20,249 INFO L415 sIntCurrentIteration]: We unified 185 AI predicates to 185 [2018-11-23 02:07:20,249 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 02:07:20,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:07:20,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 02:07:20,249 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:20,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:07:20,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:07:20,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:07:20,250 INFO L87 Difference]: Start difference. First operand 9671 states and 11371 transitions. Second operand 9 states. [2018-11-23 02:07:22,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:22,629 INFO L93 Difference]: Finished difference Result 19301 states and 22797 transitions. [2018-11-23 02:07:22,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 02:07:22,629 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 186 [2018-11-23 02:07:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:22,648 INFO L225 Difference]: With dead ends: 19301 [2018-11-23 02:07:22,648 INFO L226 Difference]: Without dead ends: 10365 [2018-11-23 02:07:22,659 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-23 02:07:22,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10365 states. [2018-11-23 02:07:22,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10365 to 10360. [2018-11-23 02:07:22,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10360 states. [2018-11-23 02:07:22,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10360 states to 10360 states and 12145 transitions. [2018-11-23 02:07:22,790 INFO L78 Accepts]: Start accepts. Automaton has 10360 states and 12145 transitions. Word has length 186 [2018-11-23 02:07:22,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:22,790 INFO L480 AbstractCegarLoop]: Abstraction has 10360 states and 12145 transitions. [2018-11-23 02:07:22,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:07:22,790 INFO L276 IsEmpty]: Start isEmpty. Operand 10360 states and 12145 transitions. [2018-11-23 02:07:22,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 02:07:22,800 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:22,800 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:07:22,800 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:22,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:22,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1969481278, now seen corresponding path program 1 times [2018-11-23 02:07:22,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:22,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:22,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:22,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:22,801 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 99 proven. 60 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 02:07:22,896 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:22,896 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:07:22,896 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-11-23 02:07:22,896 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 02:07:22,898 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:07:22,898 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:07:23,116 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:07:23,116 INFO L272 AbstractInterpreter]: Visited 101 different actions 401 times. Merged at 8 different actions 30 times. Never widened. Performed 5933 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5933 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 4 different actions. Largest state had 42 variables. [2018-11-23 02:07:23,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:23,119 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:07:23,119 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:23,119 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/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 02:07:23,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:23,126 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:07:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:23,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:07:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 02:07:23,238 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:07:23,286 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 104 proven. 14 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 02:07:23,303 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 02:07:23,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-23 02:07:23,303 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 02:07:23,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 02:07:23,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 02:07:23,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-23 02:07:23,304 INFO L87 Difference]: Start difference. First operand 10360 states and 12145 transitions. Second operand 12 states. [2018-11-23 02:07:25,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:25,356 INFO L93 Difference]: Finished difference Result 23422 states and 28640 transitions. [2018-11-23 02:07:25,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-23 02:07:25,356 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 196 [2018-11-23 02:07:25,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:25,384 INFO L225 Difference]: With dead ends: 23422 [2018-11-23 02:07:25,384 INFO L226 Difference]: Without dead ends: 13340 [2018-11-23 02:07:25,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 417 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-11-23 02:07:25,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13340 states. [2018-11-23 02:07:25,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13340 to 12686. [2018-11-23 02:07:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12686 states. [2018-11-23 02:07:25,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12686 states to 12686 states and 15122 transitions. [2018-11-23 02:07:25,601 INFO L78 Accepts]: Start accepts. Automaton has 12686 states and 15122 transitions. Word has length 196 [2018-11-23 02:07:25,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:25,602 INFO L480 AbstractCegarLoop]: Abstraction has 12686 states and 15122 transitions. [2018-11-23 02:07:25,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 02:07:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 12686 states and 15122 transitions. [2018-11-23 02:07:25,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-23 02:07:25,612 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:07:25,612 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:07:25,613 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:07:25,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:25,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1276746019, now seen corresponding path program 1 times [2018-11-23 02:07:25,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 02:07:25,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:25,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:25,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:07:25,614 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 02:07:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:25,728 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 168 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:25,729 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:25,729 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 02:07:25,729 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-11-23 02:07:25,729 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 02:07:25,731 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 02:07:25,731 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 02:07:25,933 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 02:07:25,933 INFO L272 AbstractInterpreter]: Visited 100 different actions 395 times. Merged at 7 different actions 28 times. Widened at 1 different actions 1 times. Performed 5927 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5927 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 02:07:25,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:25,938 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 02:07:25,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 02:07:25,938 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 02:07:25,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:07:25,944 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 02:07:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:25,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:07:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 02:07:26,067 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 02:07:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 02:07:26,164 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 02:07:26,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 02:07:26,164 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 02:07:26,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 02:07:26,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 02:07:26,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:07:26,165 INFO L87 Difference]: Start difference. First operand 12686 states and 15122 transitions. Second operand 3 states. [2018-11-23 02:07:26,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:07:26,539 INFO L93 Difference]: Finished difference Result 21895 states and 26438 transitions. [2018-11-23 02:07:26,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 02:07:26,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2018-11-23 02:07:26,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:07:26,540 INFO L225 Difference]: With dead ends: 21895 [2018-11-23 02:07:26,541 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:07:26,577 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 402 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 02:07:26,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:07:26,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:07:26,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:07:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:07:26,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2018-11-23 02:07:26,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:07:26,578 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:07:26,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 02:07:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:07:26,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:07:26,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:07:26,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:26,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,329 WARN L180 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 123 [2018-11-23 02:07:27,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 02:07:27,963 WARN L180 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 191 [2018-11-23 02:07:28,128 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2018-11-23 02:07:29,871 WARN L180 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 336 DAG size of output: 108 [2018-11-23 02:07:30,317 WARN L180 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 81 [2018-11-23 02:07:31,034 WARN L180 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 82 [2018-11-23 02:07:31,036 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:07:31,036 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-23 02:07:31,036 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:07:31,036 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 02:07:31,036 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 02:07:31,036 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,036 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,036 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,036 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,036 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 02:07:31,037 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 02:07:31,038 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 02:07:31,039 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 02:07:31,040 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,041 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 02:07:31,042 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 02:07:31,043 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 02:07:31,044 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 02:07:31,045 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 02:07:31,046 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 02:07:31,046 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 02:07:31,046 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 02:07:31,046 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 02:07:31,046 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 02:07:31,046 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 02:07:31,046 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 02:07:31,046 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 02:07:31,046 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse32 (= 1 |old(~a20~0)|)) (.cse12 (= ~a21~0 1)) (.cse13 (= 1 ~a17~0)) (.cse27 (= ~a20~0 1)) (.cse29 (= |old(~a20~0)| ~a20~0)) (.cse14 (= |old(~a16~0)| ~a16~0)) (.cse15 (= ~a7~0 |old(~a7~0)|)) (.cse16 (= |old(~a8~0)| ~a8~0)) (.cse26 (= ~a17~0 |old(~a17~0)|))) (let ((.cse19 (and .cse29 .cse14 .cse15 .cse16 .cse26)) (.cse7 (and .cse14 .cse12 .cse13 .cse15 .cse16 .cse27)) (.cse23 (not (= 5 |old(~a16~0)|))) (.cse10 (< 13 |old(~a8~0)|)) (.cse20 (not (= 0 |old(~a7~0)|))) (.cse22 (not (= 15 |old(~a8~0)|))) (.cse25 (and .cse15 .cse16 .cse14)) (.cse21 (< 0 |old(~a17~0)|)) (.cse28 (= 1 ~a7~0)) (.cse17 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) (.cse5 (not (= 1 |old(~a7~0)|))) (.cse18 (and (= |old(~a7~0)| |old(~a20~0)|) .cse32)) (.cse8 (< |old(~a8~0)| 15)) (.cse30 (= 13 |old(~a8~0)|)) (.cse31 (and .cse29 .cse14 .cse12 .cse15 .cse16 .cse26)) (.cse0 (= 6 |old(~a16~0)|)) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse4 (not (= 8 ~a12~0))) (.cse24 (< 14 |old(~a8~0)|)) (.cse6 (= |calculate_output_#in~input| 0)) (.cse9 (not (= 1 |old(~a17~0)|))) (.cse2 (not .cse32)) (.cse3 (= 0 |old(~a16~0)|)) (.cse11 (= 0 |old(~a8~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse10 .cse3 .cse4 .cse6 .cse11 (and .cse12 .cse13) .cse9) (or .cse1 (and .cse14 .cse12 .cse13 .cse15 .cse16 .cse17) .cse3 .cse4 .cse5 .cse6 .cse11 .cse18 .cse9) (or .cse19 .cse0 .cse10 .cse5 .cse9) (or .cse12 (or .cse20 .cse1 .cse4 .cse21 .cse6 .cse22 .cse23)) (or .cse0 .cse19 .cse24 .cse21) (or .cse0 .cse20 .cse1 .cse12 .cse4 .cse21 .cse6 .cse2 .cse22 .cse3) (or .cse0 (= |old(~a7~0)| 1) .cse10 .cse25) (or .cse1 .cse10 .cse2 .cse7 .cse3 .cse4 .cse6 .cse11 .cse9) (or .cse20 .cse1 (and .cse12 .cse15 .cse16 .cse26 .cse27 (= ~a16~0 5)) .cse4 .cse6 .cse9 .cse2 .cse22 .cse23) (or .cse10 (and .cse28 .cse16 .cse29 .cse26 .cse14) (< |old(~a20~0)| 1) .cse5 .cse21) (or .cse30 .cse21 (and .cse29 .cse26) .cse18) (or .cse6 .cse12 (or (not .cse0) .cse20 .cse1 .cse2 .cse22 (not (= 0 |old(~a17~0)|)) .cse4)) (or .cse1 .cse30 .cse3 .cse4 .cse6 .cse11 .cse31 (< 0 |old(~a20~0)|) .cse9) (or .cse30 .cse25 .cse21 .cse18) (or (and .cse28 .cse16 .cse14 .cse17) .cse5 .cse18 .cse8) (or .cse0 .cse1 .cse30 .cse3 .cse4 .cse31 .cse6 .cse11 .cse32 .cse9) (or .cse0 .cse1 .cse4 .cse24 .cse6 (and .cse14 .cse12 .cse15 .cse16 .cse26 .cse27) .cse9 .cse2 .cse3 .cse11)))) [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 02:07:31,047 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,048 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,049 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5) (= 1 ~a17~0)) [2018-11-23 02:07:31,050 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:07:31,050 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-23 02:07:31,050 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 02:07:31,051 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse12 (= ~a20~0 1)) (.cse11 (<= ~a8~0 13)) (.cse3 (not (= ~a16~0 0))) (.cse9 (not (= ~a8~0 0))) (.cse2 (not (= ~a8~0 13))) (.cse8 (= 1 ~a17~0)) (.cse5 (not (= main_~input~0 0))) (.cse7 (= ~a21~0 1)) (.cse13 (= ~a7~0 |old(~a7~0)|)) (.cse14 (<= ~a8~0 |old(~a8~0)|)) (.cse4 (= 1 ~a7~0)) (.cse0 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) (.cse6 (not (= ~a16~0 6))) (.cse1 (<= ~a17~0 0)) (.cse10 (<= ~a8~0 14))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (and .cse3 .cse5 .cse9 .cse7 .cse8 .cse6) .cse10) (and .cse3 .cse4 .cse5 .cse9 .cse0 .cse7 .cse8) (and .cse11 .cse3 .cse5 .cse9 .cse7 .cse12 .cse8) (and .cse3 (not .cse12) .cse5 .cse9 .cse7 .cse8 .cse6) (and .cse11 .cse4 .cse6 .cse8) (and .cse11 .cse13 .cse6) (and .cse11 .cse4 .cse1 (<= 1 ~a20~0)) (and .cse3 .cse5 .cse9 .cse7 .cse2 .cse8 (<= ~a20~0 0)) (and .cse5 .cse7 .cse14 .cse13 (= ~a17~0 |old(~a17~0)|) (= ~a16~0 5)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse14 .cse4 (<= 15 ~a8~0) .cse0) (and .cse6 .cse1 .cse10))) [2018-11-23 02:07:31,051 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 02:07:31,051 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 02:07:31,051 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse9 (= ~a20~0 1)) (.cse10 (<= ~a8~0 13)) (.cse8 (not (= ~a8~0 13))) (.cse0 (not (= ~a16~0 0))) (.cse11 (= 1 ~a7~0)) (.cse1 (not (= ~a8~0 0))) (.cse6 (or (not (= 1 ~a20~0)) (not (= ~a20~0 ~a7~0)))) (.cse3 (= ~a21~0 1)) (.cse4 (= 1 ~a17~0)) (.cse2 (not (= ~a16~0 6))) (.cse7 (<= ~a17~0 0)) (.cse5 (<= ~a8~0 14))) (or (not (= 1 |old(~a21~0)|)) (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and .cse6 .cse7 .cse8) (not (= 8 ~a12~0)) (and .cse0 (not .cse9) .cse1 .cse3 .cse4 .cse2) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse10 .cse0 .cse1 .cse9 .cse3 .cse4) (and .cse10 .cse11 .cse2 .cse4) (and .cse10 (= ~a7~0 |old(~a7~0)|) .cse2) (and .cse10 .cse11 .cse7 (<= 1 ~a20~0)) (and .cse0 .cse11 .cse2 .cse3 .cse4) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and (and (= ~a8~0 15) .cse3 (and (= ~a7~0 0) .cse4)) (= ~a16~0 5)) (not (= 15 |old(~a8~0)|)) (and (<= ~a8~0 |old(~a8~0)|) .cse11 (<= 15 ~a8~0) .cse6) (and (and .cse0 .cse1 .cse3 .cse8 .cse4) (<= ~a20~0 0)) (and .cse0 .cse11 .cse1 .cse6 .cse3 .cse4) (and .cse2 .cse7 .cse5))) [2018-11-23 02:07:31,051 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 02:07:31,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:07:31 BoogieIcfgContainer [2018-11-23 02:07:31,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:07:31,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:07:31,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:07:31,068 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:07:31,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:55" (3/4) ... [2018-11-23 02:07:31,087 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:07:31,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:07:31,091 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 02:07:31,092 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:07:31,104 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 02:07:31,105 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 02:07:31,133 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(1 == \old(a21)) || (((((!(a16 == 0) && !(a8 == 0)) && !(a16 == 6)) && a21 == 1) && 1 == a17) && a8 <= 14)) || (((!(1 == a20) || !(a20 == a7)) && a17 <= 0) && !(a8 == 13))) || !(8 == a12)) || (((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a21 == 1) && 1 == a17) && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a20 == 1) && a21 == 1) && 1 == a17)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && 1 == a17)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || ((((!(a16 == 0) && 1 == a7) && !(a16 == 6)) && a21 == 1) && 1 == a17)) || !(0 == \old(a7))) || !(1 == \old(a17))) || (((a8 == 15 && a21 == 1) && a7 == 0 && 1 == a17) && a16 == 5)) || !(15 == \old(a8))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && (!(1 == a20) || !(a20 == a7)))) || (((((!(a16 == 0) && !(a8 == 0)) && a21 == 1) && !(a8 == 13)) && 1 == a17) && a20 <= 0)) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && (!(1 == a20) || !(a20 == a7))) && a21 == 1) && 1 == a17)) || ((!(a16 == 6) && a17 <= 0) && a8 <= 14) [2018-11-23 02:07:31,202 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_52613404-3530-4e77-bb9a-5303991a7ee5/bin-2019/utaipan/witness.graphml [2018-11-23 02:07:31,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:07:31,203 INFO L168 Benchmark]: Toolchain (without parser) took 37394.16 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 951.1 MB in the beginning and 1.9 GB in the end (delta: -926.9 MB). Peak memory consumption was 889.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:31,203 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:07:31,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:31,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -232.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:31,204 INFO L168 Benchmark]: Boogie Preprocessor took 56.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:31,204 INFO L168 Benchmark]: RCFGBuilder took 850.73 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: 107.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:07:31,204 INFO L168 Benchmark]: TraceAbstraction took 35884.92 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -843.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-23 02:07:31,205 INFO L168 Benchmark]: Witness Printer took 134.51 ms. Allocated memory is still 2.8 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 11.5 GB. [2018-11-23 02:07:31,206 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 376.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -232.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 850.73 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: 107.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35884.92 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -843.4 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 134.51 ms. Allocated memory is still 2.8 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 440]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(1 == \old(a21)) || (((((!(a16 == 0) && !(a8 == 0)) && !(a16 == 6)) && a21 == 1) && 1 == a17) && a8 <= 14)) || (((!(1 == a20) || !(a20 == a7)) && a17 <= 0) && !(a8 == 13))) || !(8 == a12)) || (((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a21 == 1) && 1 == a17) && !(a16 == 6))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a20 == 1) && a21 == 1) && 1 == a17)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && 1 == a17)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || ((((!(a16 == 0) && 1 == a7) && !(a16 == 6)) && a21 == 1) && 1 == a17)) || !(0 == \old(a7))) || !(1 == \old(a17))) || (((a8 == 15 && a21 == 1) && a7 == 0 && 1 == a17) && a16 == 5)) || !(15 == \old(a8))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && (!(1 == a20) || !(a20 == a7)))) || (((((!(a16 == 0) && !(a8 == 0)) && a21 == 1) && !(a8 == 13)) && 1 == a17) && a20 <= 0)) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && (!(1 == a20) || !(a20 == a7))) && a21 == 1) && 1 == a17)) || ((!(a16 == 6) && a17 <= 0) && a8 <= 14) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 35.8s OverallTime, 13 OverallIterations, 5 TraceHistogramMax, 23.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1755 SDtfs, 12830 SDslu, 2661 SDs, 0 SdLazy, 16969 SolverSat, 3075 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2457 GetRequests, 2256 SyntacticMatches, 9 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12686occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 9 AbstIntIterations, 5 AbstIntStrong, 0.99683941628671 AbsIntWeakeningRatio, 0.2457293035479632 AbsIntAvgWeakeningVarsNumRemoved, 28.513797634691194 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1206 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 619 PreInvPairs, 973 NumberOfFragments, 1345 HoareAnnotationTreeSize, 619 FomulaSimplifications, 45586 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15711 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2668 NumberOfCodeBlocks, 2668 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3388 ConstructedInterpolants, 0 QuantifiedInterpolants, 1706547 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2185 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 21 InterpolantComputations, 6 PerfectInterpolantSequences, 2043/2327 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...