./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 747981090a474d9d2269aea1ffd03eef2ddc8848 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:55:11,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:55:11,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:55:11,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:55:11,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:55:11,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:55:11,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:55:11,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:55:11,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:55:11,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:55:11,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:55:11,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:55:11,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:55:11,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:55:11,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:55:11,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:55:11,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:55:11,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:55:11,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:55:11,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:55:11,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:55:11,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:55:11,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:55:11,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:55:11,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:55:11,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:55:11,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:55:11,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:55:11,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:55:11,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:55:11,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:55:11,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:55:11,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:55:11,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:55:11,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:55:11,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:55:11,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:55:11,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:55:11,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:55:11,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:55:11,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:55:11,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-12-07 20:55:11,340 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:55:11,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:55:11,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:55:11,340 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:55:11,341 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:55:11,341 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:55:11,341 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:55:11,341 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:55:11,341 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:55:11,341 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:55:11,341 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:55:11,341 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:55:11,341 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:55:11,342 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:55:11,342 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:55:11,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:55:11,342 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:55:11,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 20:55:11,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:55:11,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:55:11,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:55:11,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:55:11,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:55:11,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:55:11,343 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 20:55:11,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:55:11,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:55:11,343 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:55:11,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:55:11,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:55:11,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:55:11,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:55:11,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:55:11,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:55:11,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:55:11,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:55:11,345 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:55:11,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:55:11,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:55:11,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:55:11,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:55:11,345 INFO L138 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/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/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 ! overflow) ) 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 -> 747981090a474d9d2269aea1ffd03eef2ddc8848 [2019-12-07 20:55:11,445 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:55:11,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:55:11,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:55:11,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:55:11,460 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:55:11,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/../../sv-benchmarks/c/psyco/psyco_abp_1-1.c [2019-12-07 20:55:11,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/data/7f21c8bdf/fdadc08cffa74a91a591cf9a9e4f765a/FLAGbebfc30f9 [2019-12-07 20:55:11,958 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:55:11,959 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/sv-benchmarks/c/psyco/psyco_abp_1-1.c [2019-12-07 20:55:11,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/data/7f21c8bdf/fdadc08cffa74a91a591cf9a9e4f765a/FLAGbebfc30f9 [2019-12-07 20:55:11,976 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/data/7f21c8bdf/fdadc08cffa74a91a591cf9a9e4f765a [2019-12-07 20:55:11,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:55:11,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:55:11,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:55:11,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:55:11,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:55:11,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:55:11" (1/1) ... [2019-12-07 20:55:11,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d86038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:11, skipping insertion in model container [2019-12-07 20:55:11,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:55:11" (1/1) ... [2019-12-07 20:55:11,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:55:12,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:55:12,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:55:12,217 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:55:12,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:55:12,278 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:55:12,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12 WrapperNode [2019-12-07 20:55:12,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:55:12,279 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:55:12,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:55:12,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:55:12,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (1/1) ... [2019-12-07 20:55:12,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (1/1) ... [2019-12-07 20:55:12,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:55:12,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:55:12,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:55:12,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:55:12,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (1/1) ... [2019-12-07 20:55:12,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (1/1) ... [2019-12-07 20:55:12,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (1/1) ... [2019-12-07 20:55:12,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (1/1) ... [2019-12-07 20:55:12,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (1/1) ... [2019-12-07 20:55:12,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (1/1) ... [2019-12-07 20:55:12,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (1/1) ... [2019-12-07 20:55:12,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:55:12,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:55:12,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:55:12,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:55:12,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/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 [2019-12-07 20:55:12,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:55:12,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:55:12,903 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:55:12,903 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 20:55:12,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:55:12 BoogieIcfgContainer [2019-12-07 20:55:12,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:55:12,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:55:12,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:55:12,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:55:12,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:55:11" (1/3) ... [2019-12-07 20:55:12,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e160b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:55:12, skipping insertion in model container [2019-12-07 20:55:12,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:55:12" (2/3) ... [2019-12-07 20:55:12,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e160b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:55:12, skipping insertion in model container [2019-12-07 20:55:12,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:55:12" (3/3) ... [2019-12-07 20:55:12,909 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-1.c [2019-12-07 20:55:12,915 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:55:12,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 42 error locations. [2019-12-07 20:55:12,927 INFO L249 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2019-12-07 20:55:12,945 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:55:12,945 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:55:12,945 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:55:12,945 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:55:12,945 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:55:12,945 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:55:12,945 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:55:12,945 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:55:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-12-07 20:55:12,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 20:55:12,967 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:12,967 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:55:12,968 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:12,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:12,971 INFO L82 PathProgramCache]: Analyzing trace with hash -732953023, now seen corresponding path program 1 times [2019-12-07 20:55:12,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:12,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426511675] [2019-12-07 20:55:12,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:13,076 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426511675] [2019-12-07 20:55:13,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:13,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:55:13,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969859213] [2019-12-07 20:55:13,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:55:13,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:13,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:55:13,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:13,091 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2019-12-07 20:55:13,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:13,188 INFO L93 Difference]: Finished difference Result 386 states and 593 transitions. [2019-12-07 20:55:13,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:55:13,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-07 20:55:13,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:13,198 INFO L225 Difference]: With dead ends: 386 [2019-12-07 20:55:13,198 INFO L226 Difference]: Without dead ends: 165 [2019-12-07 20:55:13,201 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:13,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2019-12-07 20:55:13,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2019-12-07 20:55:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2019-12-07 20:55:13,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 208 transitions. [2019-12-07 20:55:13,233 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 208 transitions. Word has length 9 [2019-12-07 20:55:13,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:13,234 INFO L462 AbstractCegarLoop]: Abstraction has 165 states and 208 transitions. [2019-12-07 20:55:13,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:55:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 208 transitions. [2019-12-07 20:55:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 20:55:13,234 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:13,234 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:55:13,235 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:13,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:13,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1106630647, now seen corresponding path program 1 times [2019-12-07 20:55:13,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:13,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375075655] [2019-12-07 20:55:13,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:13,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375075655] [2019-12-07 20:55:13,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:13,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:55:13,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603517514] [2019-12-07 20:55:13,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:55:13,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:13,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:55:13,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:13,279 INFO L87 Difference]: Start difference. First operand 165 states and 208 transitions. Second operand 3 states. [2019-12-07 20:55:13,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:13,388 INFO L93 Difference]: Finished difference Result 303 states and 406 transitions. [2019-12-07 20:55:13,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:55:13,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-07 20:55:13,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:13,390 INFO L225 Difference]: With dead ends: 303 [2019-12-07 20:55:13,390 INFO L226 Difference]: Without dead ends: 286 [2019-12-07 20:55:13,391 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:13,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-12-07 20:55:13,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 262. [2019-12-07 20:55:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2019-12-07 20:55:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 366 transitions. [2019-12-07 20:55:13,404 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 366 transitions. Word has length 14 [2019-12-07 20:55:13,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:13,404 INFO L462 AbstractCegarLoop]: Abstraction has 262 states and 366 transitions. [2019-12-07 20:55:13,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:55:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 366 transitions. [2019-12-07 20:55:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 20:55:13,405 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:13,405 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:55:13,405 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:13,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:13,406 INFO L82 PathProgramCache]: Analyzing trace with hash -54188206, now seen corresponding path program 1 times [2019-12-07 20:55:13,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:13,406 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385921704] [2019-12-07 20:55:13,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:13,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385921704] [2019-12-07 20:55:13,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:13,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 20:55:13,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789964129] [2019-12-07 20:55:13,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:55:13,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:13,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:55:13,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:55:13,443 INFO L87 Difference]: Start difference. First operand 262 states and 366 transitions. Second operand 4 states. [2019-12-07 20:55:13,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:13,564 INFO L93 Difference]: Finished difference Result 312 states and 398 transitions. [2019-12-07 20:55:13,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:55:13,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-12-07 20:55:13,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:13,566 INFO L225 Difference]: With dead ends: 312 [2019-12-07 20:55:13,566 INFO L226 Difference]: Without dead ends: 269 [2019-12-07 20:55:13,567 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:55:13,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2019-12-07 20:55:13,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 251. [2019-12-07 20:55:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2019-12-07 20:55:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 340 transitions. [2019-12-07 20:55:13,578 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 340 transitions. Word has length 15 [2019-12-07 20:55:13,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:13,578 INFO L462 AbstractCegarLoop]: Abstraction has 251 states and 340 transitions. [2019-12-07 20:55:13,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:55:13,578 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 340 transitions. [2019-12-07 20:55:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 20:55:13,579 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:13,579 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:55:13,579 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:13,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:13,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1993942009, now seen corresponding path program 1 times [2019-12-07 20:55:13,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:13,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720335030] [2019-12-07 20:55:13,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:13,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720335030] [2019-12-07 20:55:13,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:13,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 20:55:13,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084843780] [2019-12-07 20:55:13,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:55:13,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:13,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:55:13,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:55:13,619 INFO L87 Difference]: Start difference. First operand 251 states and 340 transitions. Second operand 4 states. [2019-12-07 20:55:13,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:13,668 INFO L93 Difference]: Finished difference Result 354 states and 486 transitions. [2019-12-07 20:55:13,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:55:13,669 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-12-07 20:55:13,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:13,670 INFO L225 Difference]: With dead ends: 354 [2019-12-07 20:55:13,671 INFO L226 Difference]: Without dead ends: 346 [2019-12-07 20:55:13,671 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:55:13,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-12-07 20:55:13,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 341. [2019-12-07 20:55:13,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-12-07 20:55:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 472 transitions. [2019-12-07 20:55:13,682 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 472 transitions. Word has length 16 [2019-12-07 20:55:13,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:13,682 INFO L462 AbstractCegarLoop]: Abstraction has 341 states and 472 transitions. [2019-12-07 20:55:13,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:55:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 472 transitions. [2019-12-07 20:55:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:55:13,683 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:13,683 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:55:13,684 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:13,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:13,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1428786505, now seen corresponding path program 1 times [2019-12-07 20:55:13,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:13,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978631475] [2019-12-07 20:55:13,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 20:55:13,719 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978631475] [2019-12-07 20:55:13,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:13,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 20:55:13,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615217697] [2019-12-07 20:55:13,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:55:13,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:13,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:55:13,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:13,721 INFO L87 Difference]: Start difference. First operand 341 states and 472 transitions. Second operand 3 states. [2019-12-07 20:55:13,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:13,751 INFO L93 Difference]: Finished difference Result 704 states and 984 transitions. [2019-12-07 20:55:13,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:55:13,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 20:55:13,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:13,753 INFO L225 Difference]: With dead ends: 704 [2019-12-07 20:55:13,753 INFO L226 Difference]: Without dead ends: 365 [2019-12-07 20:55:13,754 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:13,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-12-07 20:55:13,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2019-12-07 20:55:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2019-12-07 20:55:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 505 transitions. [2019-12-07 20:55:13,763 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 505 transitions. Word has length 24 [2019-12-07 20:55:13,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:13,764 INFO L462 AbstractCegarLoop]: Abstraction has 365 states and 505 transitions. [2019-12-07 20:55:13,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:55:13,764 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 505 transitions. [2019-12-07 20:55:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 20:55:13,765 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:13,765 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:55:13,766 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:13,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:13,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1183212724, now seen corresponding path program 1 times [2019-12-07 20:55:13,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:13,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218523719] [2019-12-07 20:55:13,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-07 20:55:13,801 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218523719] [2019-12-07 20:55:13,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:13,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:55:13,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956811557] [2019-12-07 20:55:13,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:55:13,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:13,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:55:13,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:13,802 INFO L87 Difference]: Start difference. First operand 365 states and 505 transitions. Second operand 3 states. [2019-12-07 20:55:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:13,855 INFO L93 Difference]: Finished difference Result 366 states and 506 transitions. [2019-12-07 20:55:13,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:55:13,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-12-07 20:55:13,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:13,857 INFO L225 Difference]: With dead ends: 366 [2019-12-07 20:55:13,857 INFO L226 Difference]: Without dead ends: 349 [2019-12-07 20:55:13,858 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:13,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-07 20:55:13,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 348. [2019-12-07 20:55:13,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-12-07 20:55:13,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 488 transitions. [2019-12-07 20:55:13,866 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 488 transitions. Word has length 27 [2019-12-07 20:55:13,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:13,866 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 488 transitions. [2019-12-07 20:55:13,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:55:13,867 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 488 transitions. [2019-12-07 20:55:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 20:55:13,868 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:13,868 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:55:13,869 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:13,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:13,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1975112562, now seen corresponding path program 1 times [2019-12-07 20:55:13,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:13,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712173095] [2019-12-07 20:55:13,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 20:55:13,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712173095] [2019-12-07 20:55:13,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:13,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 20:55:13,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748540713] [2019-12-07 20:55:13,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:55:13,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:13,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:55:13,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:13,913 INFO L87 Difference]: Start difference. First operand 348 states and 488 transitions. Second operand 3 states. [2019-12-07 20:55:13,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:13,927 INFO L93 Difference]: Finished difference Result 697 states and 977 transitions. [2019-12-07 20:55:13,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:55:13,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-12-07 20:55:13,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:13,930 INFO L225 Difference]: With dead ends: 697 [2019-12-07 20:55:13,930 INFO L226 Difference]: Without dead ends: 348 [2019-12-07 20:55:13,931 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:13,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-12-07 20:55:13,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-12-07 20:55:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-12-07 20:55:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2019-12-07 20:55:13,940 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 28 [2019-12-07 20:55:13,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:13,940 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2019-12-07 20:55:13,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:55:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2019-12-07 20:55:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 20:55:13,941 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:13,942 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:55:13,942 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:13,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1975110896, now seen corresponding path program 1 times [2019-12-07 20:55:13,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:13,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717274330] [2019-12-07 20:55:13,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:13,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717274330] [2019-12-07 20:55:13,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165575360] [2019-12-07 20:55:13,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:55:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:14,032 INFO L264 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 20:55:14,036 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:14,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:55:14,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:55:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:14,074 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:14,081 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:55:14,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:55:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:14,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-12-07 20:55:14,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2019-12-07 20:55:14,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561365689] [2019-12-07 20:55:14,101 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:55:14,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:14,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:55:14,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:55:14,102 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand 4 states. [2019-12-07 20:55:14,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:14,140 INFO L93 Difference]: Finished difference Result 348 states and 485 transitions. [2019-12-07 20:55:14,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:55:14,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-12-07 20:55:14,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:14,142 INFO L225 Difference]: With dead ends: 348 [2019-12-07 20:55:14,142 INFO L226 Difference]: Without dead ends: 305 [2019-12-07 20:55:14,142 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2019-12-07 20:55:14,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-12-07 20:55:14,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 211. [2019-12-07 20:55:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-12-07 20:55:14,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 300 transitions. [2019-12-07 20:55:14,147 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 300 transitions. Word has length 28 [2019-12-07 20:55:14,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:14,148 INFO L462 AbstractCegarLoop]: Abstraction has 211 states and 300 transitions. [2019-12-07 20:55:14,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:55:14,148 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2019-12-07 20:55:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-07 20:55:14,148 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:14,149 INFO L410 BasicCegarLoop]: trace histogram [3, 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] [2019-12-07 20:55:14,349 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:55:14,350 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:14,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:14,351 INFO L82 PathProgramCache]: Analyzing trace with hash 293984338, now seen corresponding path program 1 times [2019-12-07 20:55:14,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:14,351 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681217453] [2019-12-07 20:55:14,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:14,427 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681217453] [2019-12-07 20:55:14,427 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679891212] [2019-12-07 20:55:14,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:55:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:14,511 INFO L264 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 20:55:14,513 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:14,518 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:14,531 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1328612038] [2019-12-07 20:55:14,547 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2019-12-07 20:55:14,547 INFO L166 IcfgInterpreter]: Building call graph [2019-12-07 20:55:14,550 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-12-07 20:55:14,555 INFO L176 IcfgInterpreter]: Starting interpretation [2019-12-07 20:55:14,555 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-12-07 20:55:15,252 INFO L180 IcfgInterpreter]: Interpretation finished [2019-12-07 20:55:15,487 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-12-07 20:55:15,645 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-12-07 20:55:15,940 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-12-07 20:55:16,172 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2019-12-07 20:55:16,552 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2019-12-07 20:55:16,739 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2019-12-07 20:55:17,028 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 83 [2019-12-07 20:55:17,279 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 85 [2019-12-07 20:55:17,499 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2019-12-07 20:55:17,956 WARN L192 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 82 [2019-12-07 20:55:18,468 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 86 [2019-12-07 20:55:18,886 WARN L192 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 83 [2019-12-07 20:55:19,346 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 91 [2019-12-07 20:55:19,660 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 80 [2019-12-07 20:55:19,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-12-07 20:55:19,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [4, 3, 3] total 26 [2019-12-07 20:55:19,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845103340] [2019-12-07 20:55:19,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-12-07 20:55:19,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:19,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-12-07 20:55:19,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2019-12-07 20:55:19,666 INFO L87 Difference]: Start difference. First operand 211 states and 300 transitions. Second operand 22 states. [2019-12-07 20:55:20,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:20,466 INFO L93 Difference]: Finished difference Result 469 states and 667 transitions. [2019-12-07 20:55:20,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 20:55:20,466 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 30 [2019-12-07 20:55:20,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:20,468 INFO L225 Difference]: With dead ends: 469 [2019-12-07 20:55:20,468 INFO L226 Difference]: Without dead ends: 260 [2019-12-07 20:55:20,469 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 62 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=220, Invalid=536, Unknown=0, NotChecked=0, Total=756 [2019-12-07 20:55:20,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-12-07 20:55:20,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 253. [2019-12-07 20:55:20,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-12-07 20:55:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 357 transitions. [2019-12-07 20:55:20,476 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 357 transitions. Word has length 30 [2019-12-07 20:55:20,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:20,476 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 357 transitions. [2019-12-07 20:55:20,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-12-07 20:55:20,477 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 357 transitions. [2019-12-07 20:55:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-07 20:55:20,477 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:20,477 INFO L410 BasicCegarLoop]: trace histogram [4, 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] [2019-12-07 20:55:20,678 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:55:20,678 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:20,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:20,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1519626359, now seen corresponding path program 1 times [2019-12-07 20:55:20,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:20,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863226514] [2019-12-07 20:55:20,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-07 20:55:20,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863226514] [2019-12-07 20:55:20,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:55:20,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 20:55:20,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719094071] [2019-12-07 20:55:20,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 20:55:20,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:20,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 20:55:20,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:20,710 INFO L87 Difference]: Start difference. First operand 253 states and 357 transitions. Second operand 3 states. [2019-12-07 20:55:20,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:20,736 INFO L93 Difference]: Finished difference Result 478 states and 677 transitions. [2019-12-07 20:55:20,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 20:55:20,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2019-12-07 20:55:20,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:20,738 INFO L225 Difference]: With dead ends: 478 [2019-12-07 20:55:20,738 INFO L226 Difference]: Without dead ends: 269 [2019-12-07 20:55:20,738 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 20:55:20,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2019-12-07 20:55:20,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2019-12-07 20:55:20,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-12-07 20:55:20,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 377 transitions. [2019-12-07 20:55:20,746 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 377 transitions. Word has length 44 [2019-12-07 20:55:20,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:20,746 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 377 transitions. [2019-12-07 20:55:20,747 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 20:55:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 377 transitions. [2019-12-07 20:55:20,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-07 20:55:20,747 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:55:20,747 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 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] [2019-12-07 20:55:20,748 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 20:55:20,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:55:20,748 INFO L82 PathProgramCache]: Analyzing trace with hash 281859011, now seen corresponding path program 1 times [2019-12-07 20:55:20,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:55:20,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879912828] [2019-12-07 20:55:20,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:55:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:20,789 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:55:20,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879912828] [2019-12-07 20:55:20,789 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048482627] [2019-12-07 20:55:20,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:55:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:55:20,841 INFO L264 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:55:20,843 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:55:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 20:55:20,857 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:55:20,870 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 20:55:20,871 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2124694544] [2019-12-07 20:55:20,872 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2019-12-07 20:55:20,873 INFO L166 IcfgInterpreter]: Building call graph [2019-12-07 20:55:20,873 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-12-07 20:55:20,873 INFO L176 IcfgInterpreter]: Starting interpretation [2019-12-07 20:55:20,873 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-12-07 20:55:22,828 INFO L180 IcfgInterpreter]: Interpretation finished [2019-12-07 20:55:23,253 WARN L192 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-12-07 20:55:23,520 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2019-12-07 20:55:23,675 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2019-12-07 20:55:23,994 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 82 [2019-12-07 20:55:24,217 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 82 [2019-12-07 20:55:24,494 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-12-07 20:55:24,701 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2019-12-07 20:55:24,892 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2019-12-07 20:55:25,245 WARN L192 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 80 [2019-12-07 20:55:25,619 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2019-12-07 20:55:25,935 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 77 [2019-12-07 20:55:26,155 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2019-12-07 20:55:26,372 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 79 [2019-12-07 20:55:26,581 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 76 [2019-12-07 20:55:26,884 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 75 [2019-12-07 20:55:27,340 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 82 [2019-12-07 20:55:27,676 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 83 [2019-12-07 20:55:28,009 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 83 [2019-12-07 20:55:28,357 WARN L192 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 83 [2019-12-07 20:55:28,699 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 83 [2019-12-07 20:55:29,051 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2019-12-07 20:55:29,474 WARN L192 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-12-07 20:55:30,320 WARN L192 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 84 [2019-12-07 20:55:31,523 WARN L192 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 87 [2019-12-07 20:55:31,525 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-12-07 20:55:31,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-12-07 20:55:31,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 6 [2019-12-07 20:55:31,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948879081] [2019-12-07 20:55:31,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 20:55:31,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:55:31,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 20:55:31,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1085, Unknown=0, NotChecked=0, Total=1260 [2019-12-07 20:55:31,527 INFO L87 Difference]: Start difference. First operand 269 states and 377 transitions. Second operand 7 states. [2019-12-07 20:55:31,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:55:31,632 INFO L93 Difference]: Finished difference Result 391 states and 555 transitions. [2019-12-07 20:55:31,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:55:31,633 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-12-07 20:55:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:55:31,633 INFO L225 Difference]: With dead ends: 391 [2019-12-07 20:55:31,633 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:55:31,634 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 99 SyntacticMatches, 10 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=194, Invalid=1212, Unknown=0, NotChecked=0, Total=1406 [2019-12-07 20:55:31,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:55:31,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:55:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:55:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:55:31,635 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2019-12-07 20:55:31,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:55:31,635 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:55:31,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 20:55:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:55:31,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:55:31,836 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:55:31,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:55:31,933 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2019-12-07 20:55:31,933 INFO L246 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2019-12-07 20:55:31,933 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 250) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L366(lines 366 377) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L234(line 234) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L234-1(line 234) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L234-2(lines 234 236) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L102(lines 102 104) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 386) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L466(lines 466 477) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L334-1(line 334) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L334-2(lines 334 336) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 534) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L202(lines 202 204) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L70(lines 70 72) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 386) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L434-1(line 434) no Hoare annotation was computed. [2019-12-07 20:55:31,934 INFO L246 CegarLoopResult]: For program point L434-2(lines 434 436) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 486) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L302(lines 302 304) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L170(lines 170 172) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L38-2(lines 24 565) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L534-2(lines 534 536) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L402(lines 402 404) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L270(lines 270 272) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L502(lines 502 504) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L370(lines 370 372) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point L470(lines 470 472) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 234) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 234) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 350) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2019-12-07 20:55:31,935 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 486) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L76-2(line 76) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L76-3(line 76) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L44(lines 44 59) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 134) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 286) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L144(lines 144 159) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 286) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L244(lines 244 259) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L112(lines 112 127) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L46(lines 46 57) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L344(lines 344 359) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L212(lines 212 227) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 424) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L146(lines 146 157) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L246 CegarLoopResult]: For program point L80(lines 80 95) no Hoare annotation was computed. [2019-12-07 20:55:31,936 INFO L249 CegarLoopResult]: At program point L14(lines 14 570) the Hoare annotation is: true [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 550) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point L444(lines 444 459) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point L312(lines 312 327) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point L246(lines 246 257) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 424) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point L180(lines 180 195) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point L114(lines 114 125) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 534) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point L544(lines 544 559) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 86) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point L412(lines 412 427) no Hoare annotation was computed. [2019-12-07 20:55:31,937 INFO L246 CegarLoopResult]: For program point L346(lines 346 357) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L280(lines 280 295) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L214(lines 214 225) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L82(lines 82 93) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L512(lines 512 527) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L446(lines 446 457) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 86) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L380(lines 380 395) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L314(lines 314 325) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L182(lines 182 193) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L50(lines 50 52) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L546(lines 546 557) no Hoare annotation was computed. [2019-12-07 20:55:31,938 INFO L246 CegarLoopResult]: For program point L480(lines 480 495) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point L414(lines 414 425) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point L282(lines 282 293) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point L150-2(lines 150 152) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 250) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point L514(lines 514 525) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point L382(lines 382 393) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point L250-1(line 250) no Hoare annotation was computed. [2019-12-07 20:55:31,939 INFO L246 CegarLoopResult]: For program point L250-2(lines 250 252) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 434) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point L118(lines 118 120) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point L482(lines 482 493) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point L350(line 350) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point L350-2(lines 350 352) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point L218(lines 218 220) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point L86-1(line 86) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point L86-2(lines 86 88) no Hoare annotation was computed. [2019-12-07 20:55:31,940 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 150) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point L450-2(lines 450 452) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point L318(lines 318 320) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point L186-2(lines 186 188) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 150) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point L550-2(line 550) no Hoare annotation was computed. [2019-12-07 20:55:31,941 INFO L246 CegarLoopResult]: For program point L550-3(line 550) no Hoare annotation was computed. [2019-12-07 20:55:31,942 INFO L246 CegarLoopResult]: For program point L418(lines 418 420) no Hoare annotation was computed. [2019-12-07 20:55:31,942 INFO L246 CegarLoopResult]: For program point L550-4(lines 550 552) no Hoare annotation was computed. [2019-12-07 20:55:31,942 INFO L246 CegarLoopResult]: For program point L286(line 286) no Hoare annotation was computed. [2019-12-07 20:55:31,942 INFO L246 CegarLoopResult]: For program point L286-2(line 286) no Hoare annotation was computed. [2019-12-07 20:55:31,942 INFO L246 CegarLoopResult]: For program point L286-3(line 286) no Hoare annotation was computed. [2019-12-07 20:55:31,942 INFO L246 CegarLoopResult]: For program point L286-4(lines 286 288) no Hoare annotation was computed. [2019-12-07 20:55:31,942 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 292) no Hoare annotation was computed. [2019-12-07 20:55:31,942 INFO L249 CegarLoopResult]: At program point L551(lines 14 570) the Hoare annotation is: true [2019-12-07 20:55:31,942 INFO L246 CegarLoopResult]: For program point L518(lines 518 520) no Hoare annotation was computed. [2019-12-07 20:55:31,942 INFO L246 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2019-12-07 20:55:31,942 INFO L246 CegarLoopResult]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-12-07 20:55:31,943 INFO L246 CegarLoopResult]: For program point L386-2(lines 386 388) no Hoare annotation was computed. [2019-12-07 20:55:31,943 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 292) no Hoare annotation was computed. [2019-12-07 20:55:31,943 INFO L246 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2019-12-07 20:55:31,943 INFO L246 CegarLoopResult]: For program point L486-1(line 486) no Hoare annotation was computed. [2019-12-07 20:55:31,943 INFO L246 CegarLoopResult]: For program point L486-2(lines 486 488) no Hoare annotation was computed. [2019-12-07 20:55:31,943 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 424) no Hoare annotation was computed. [2019-12-07 20:55:31,943 INFO L242 CegarLoopResult]: At program point L24-2(lines 24 565) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ULTIMATE.start_main_~this_expect~0 2147483647))) (.cse1 (<= ULTIMATE.start_main_~this_expect~0 16))) (or (and (<= 1 ULTIMATE.start_main_~this_buffer_empty~0) .cse0 (<= ULTIMATE.start_main_~this_buffer_empty~0 2147483647) .cse1) (and .cse0 .cse1 (<= ULTIMATE.start_main_~this_buffer_empty~0 0) (<= 0 (+ ULTIMATE.start_main_~this_buffer_empty~0 2147483646))))) [2019-12-07 20:55:31,943 INFO L246 CegarLoopResult]: For program point L24-3(lines 24 565) no Hoare annotation was computed. [2019-12-07 20:55:31,943 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 556) no Hoare annotation was computed. [2019-12-07 20:55:31,943 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 424) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 550) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 134) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 350) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 450) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point L556-1(line 556) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point L424-2(line 424) no Hoare annotation was computed. [2019-12-07 20:55:31,944 INFO L246 CegarLoopResult]: For program point L424-3(line 424) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point L292-1(line 292) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point L128(lines 128 143) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point L228(lines 228 243) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point L96(lines 96 111) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point L63(lines 63 162) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 186) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point L328(lines 328 343) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point L196(lines 196 211) no Hoare annotation was computed. [2019-12-07 20:55:31,945 INFO L246 CegarLoopResult]: For program point L163(lines 163 262) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L246 CegarLoopResult]: For program point L130(lines 130 141) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L246 CegarLoopResult]: For program point L64(lines 64 79) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L246 CegarLoopResult]: For program point L428(lines 428 443) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 186) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L246 CegarLoopResult]: For program point L296(lines 296 311) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L246 CegarLoopResult]: For program point L263(lines 263 362) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L246 CegarLoopResult]: For program point L230(lines 230 241) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L246 CegarLoopResult]: For program point L164(lines 164 179) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L246 CegarLoopResult]: For program point L98(lines 98 109) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 334) no Hoare annotation was computed. [2019-12-07 20:55:31,946 INFO L242 CegarLoopResult]: At program point L561(lines 24 565) the Hoare annotation is: (let ((.cse3 (<= ULTIMATE.start_main_~this_expect~0 16)) (.cse4 (<= ULTIMATE.start_main_~this_buffer_empty~0 0)) (.cse5 (<= 0 (+ ULTIMATE.start_main_~this_buffer_empty~0 2147483646))) (.cse0 (<= 1 ULTIMATE.start_main_~this_buffer_empty~0)) (.cse1 (<= 0 (+ ULTIMATE.start_main_~this_expect~0 2147483647))) (.cse2 (<= ULTIMATE.start_main_~this_buffer_empty~0 2147483647)) (.cse6 (<= 3 ULTIMATE.start_main_~q~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6))) [2019-12-07 20:55:31,947 INFO L246 CegarLoopResult]: For program point L528(lines 528 543) no Hoare annotation was computed. [2019-12-07 20:55:31,947 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 450) no Hoare annotation was computed. [2019-12-07 20:55:31,947 INFO L246 CegarLoopResult]: For program point L396(lines 396 411) no Hoare annotation was computed. [2019-12-07 20:55:31,947 INFO L246 CegarLoopResult]: For program point L363(lines 363 462) no Hoare annotation was computed. [2019-12-07 20:55:31,947 INFO L246 CegarLoopResult]: For program point L330(lines 330 341) no Hoare annotation was computed. [2019-12-07 20:55:31,947 INFO L246 CegarLoopResult]: For program point L264(lines 264 279) no Hoare annotation was computed. [2019-12-07 20:55:31,947 INFO L246 CegarLoopResult]: For program point L198(lines 198 209) no Hoare annotation was computed. [2019-12-07 20:55:31,947 INFO L246 CegarLoopResult]: For program point L66(lines 66 77) no Hoare annotation was computed. [2019-12-07 20:55:31,947 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 334) no Hoare annotation was computed. [2019-12-07 20:55:31,947 INFO L246 CegarLoopResult]: For program point L496(lines 496 511) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L463(lines 463 562) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L430(lines 430 441) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L364(lines 364 379) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L166(lines 166 177) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 434) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L530(lines 530 541) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L464(lines 464 479) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L398(lines 398 409) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L266(lines 266 277) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2019-12-07 20:55:31,948 INFO L246 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2019-12-07 20:55:31,949 INFO L246 CegarLoopResult]: For program point L134-2(lines 134 136) no Hoare annotation was computed. [2019-12-07 20:55:31,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:55:31 BoogieIcfgContainer [2019-12-07 20:55:31,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:55:31,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:55:31,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:55:31,969 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:55:31,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:55:12" (3/4) ... [2019-12-07 20:55:31,973 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:55:31,985 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 20:55:31,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 20:55:32,012 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3ee83465-2522-4d74-b1b9-893568e5c42a/bin/utaipan/witness.graphml [2019-12-07 20:55:32,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:55:32,013 INFO L168 Benchmark]: Toolchain (without parser) took 20034.15 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 471.9 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -207.5 MB). Peak memory consumption was 264.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:32,014 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:55:32,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:32,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:32,014 INFO L168 Benchmark]: Boogie Preprocessor took 33.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:55:32,015 INFO L168 Benchmark]: RCFGBuilder took 547.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.9 MB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:32,015 INFO L168 Benchmark]: TraceAbstraction took 19063.88 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 378.5 MB). Free memory was 992.9 MB in the beginning and 1.2 GB in the end (delta: -175.4 MB). Peak memory consumption was 203.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:32,016 INFO L168 Benchmark]: Witness Printer took 43.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:55:32,018 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -132.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 547.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.9 MB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19063.88 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 378.5 MB). Free memory was 992.9 MB in the beginning and 1.2 GB in the end (delta: -175.4 MB). Peak memory consumption was 203.1 MB. Max. memory is 11.5 GB. * Witness Printer took 43.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 292]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 386]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 186]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 450]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 486]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 424]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 434]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 150]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 334]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 534]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 134]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 234]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 250]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 350]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 286]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 292]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 424]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 450]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 386]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 234]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 434]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 424]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 150]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 186]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 134]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 424]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 350]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 486]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 250]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 286]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 334]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 550]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 534]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((1 <= this_buffer_empty && 0 <= this_expect + 2147483647) && this_buffer_empty <= 2147483647) && this_expect <= 16) || (((0 <= this_expect + 2147483647 && this_expect <= 16) && this_buffer_empty <= 0) && 0 <= this_buffer_empty + 2147483646) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((1 <= this_buffer_empty && 0 <= this_expect + 2147483647) && this_buffer_empty <= 2147483647) && this_expect <= 16) || (((0 <= this_expect + 2147483647 && this_expect <= 16) && this_buffer_empty <= 0) && 0 <= this_buffer_empty + 2147483646)) || (((0 <= this_expect + 2147483647 && 3 <= q) && this_buffer_empty <= 0) && 0 <= this_buffer_empty + 2147483646)) || (((1 <= this_buffer_empty && 0 <= this_expect + 2147483647) && this_buffer_empty <= 2147483647) && 3 <= q) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 192 locations, 42 error locations. Result: SAFE, OverallTime: 18.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2050 SDtfs, 2197 SDslu, 2389 SDs, 0 SdLazy, 1250 SolverSat, 238 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 319 GetRequests, 221 SyntacticMatches, 19 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 149 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 31 NumberOfFragments, 100 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1331 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 472 ConstructedInterpolants, 0 QuantifiedInterpolants, 42688 SizeOfPredicates, 0 NumberOfNonLiveVariables, 655 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 110/146 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 707, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 32, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 68, TOOLS_POST_TIME[ms]: 99, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 68, TOOLS_QUANTIFIERELIM_TIME[ms]: 83, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 104, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 495, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 32, DOMAIN_ISBOTTOM_TIME[ms]: 47, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 170, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 169, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 2, PATH_EXPR_TIME[ms]: 2, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 1549, DAG_COMPRESSION_RETAINED_NODES: 103, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...