./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005b.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7408fe5ba42f5c474832c90e26f3e7ef2342554c ...................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:56:59,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:56:59,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:56:59,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:56:59,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:56:59,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:56:59,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:56:59,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:56:59,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:56:59,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:56:59,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:56:59,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:56:59,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:56:59,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:56:59,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:56:59,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:56:59,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:56:59,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:56:59,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:56:59,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:56:59,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:56:59,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:56:59,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:56:59,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:56:59,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:56:59,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:56:59,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:56:59,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:56:59,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:56:59,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:56:59,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:56:59,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:56:59,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:56:59,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:56:59,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:56:59,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:56:59,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:56:59,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:56:59,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:56:59,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:56:59,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:56:59,338 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:56:59,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:56:59,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:56:59,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:56:59,357 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:56:59,357 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:56:59,357 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:56:59,358 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:56:59,358 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:56:59,358 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:56:59,358 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:56:59,359 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:56:59,360 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:56:59,360 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:56:59,360 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:56:59,360 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:56:59,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:56:59,361 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:56:59,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:56:59,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:56:59,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:56:59,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:56:59,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:56:59,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:56:59,363 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:56:59,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:56:59,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:56:59,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:56:59,364 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:56:59,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:56:59,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:56:59,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:56:59,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:56:59,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:56:59,365 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:56:59,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:56:59,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:56:59,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:56:59,366 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_dbfdd713-799c-46bb-811c-2c396a11cca4/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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7408fe5ba42f5c474832c90e26f3e7ef2342554c [2019-11-26 02:56:59,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:56:59,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:56:59,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:56:59,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:56:59,511 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:56:59,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/../../sv-benchmarks/c/loop-lit/cggmp2005b.i [2019-11-26 02:56:59,561 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/data/b958fd230/1abaecde3ef14ac0a343bd8258b4bf2b/FLAG7a8149377 [2019-11-26 02:56:59,911 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:56:59,912 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/sv-benchmarks/c/loop-lit/cggmp2005b.i [2019-11-26 02:56:59,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/data/b958fd230/1abaecde3ef14ac0a343bd8258b4bf2b/FLAG7a8149377 [2019-11-26 02:56:59,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/data/b958fd230/1abaecde3ef14ac0a343bd8258b4bf2b [2019-11-26 02:56:59,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:56:59,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:56:59,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:56:59,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:56:59,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:56:59,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:56:59" (1/1) ... [2019-11-26 02:56:59,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748dd91e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:59, skipping insertion in model container [2019-11-26 02:56:59,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:56:59" (1/1) ... [2019-11-26 02:56:59,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:56:59,954 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:57:00,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:57:00,092 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:57:00,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:57:00,189 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:57:00,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00 WrapperNode [2019-11-26 02:57:00,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:57:00,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:57:00,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:57:00,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:57:00,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (1/1) ... [2019-11-26 02:57:00,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (1/1) ... [2019-11-26 02:57:00,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:57:00,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:57:00,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:57:00,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:57:00,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (1/1) ... [2019-11-26 02:57:00,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (1/1) ... [2019-11-26 02:57:00,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (1/1) ... [2019-11-26 02:57:00,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (1/1) ... [2019-11-26 02:57:00,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (1/1) ... [2019-11-26 02:57:00,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (1/1) ... [2019-11-26 02:57:00,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (1/1) ... [2019-11-26 02:57:00,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:57:00,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:57:00,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:57:00,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:57:00,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/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 [2019-11-26 02:57:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:57:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:57:00,479 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:57:00,479 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-26 02:57:00,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:57:00 BoogieIcfgContainer [2019-11-26 02:57:00,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:57:00,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:57:00,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:57:00,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:57:00,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:56:59" (1/3) ... [2019-11-26 02:57:00,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd7f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:57:00, skipping insertion in model container [2019-11-26 02:57:00,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:57:00" (2/3) ... [2019-11-26 02:57:00,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd7f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:57:00, skipping insertion in model container [2019-11-26 02:57:00,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:57:00" (3/3) ... [2019-11-26 02:57:00,487 INFO L109 eAbstractionObserver]: Analyzing ICFG cggmp2005b.i [2019-11-26 02:57:00,512 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:57:00,519 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:57:00,529 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:57:00,564 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:57:00,564 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:57:00,565 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:57:00,565 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:57:00,565 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:57:00,565 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:57:00,565 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:57:00,565 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:57:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-26 02:57:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:57:00,582 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:57:00,583 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 02:57:00,583 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:57:00,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:57:00,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1011357, now seen corresponding path program 1 times [2019-11-26 02:57:00,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:57:00,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028244645] [2019-11-26 02:57:00,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:57:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:57:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:57:00,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028244645] [2019-11-26 02:57:00,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:57:00,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:57:00,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814594086] [2019-11-26 02:57:00,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:57:00,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:57:00,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:57:00,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:57:00,754 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2019-11-26 02:57:00,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:57:00,806 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2019-11-26 02:57:00,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:57:00,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-26 02:57:00,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:57:00,816 INFO L225 Difference]: With dead ends: 15 [2019-11-26 02:57:00,816 INFO L226 Difference]: Without dead ends: 8 [2019-11-26 02:57:00,819 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 [2019-11-26 02:57:00,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-26 02:57:00,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-26 02:57:00,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-26 02:57:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-11-26 02:57:00,856 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 10 transitions. Word has length 4 [2019-11-26 02:57:00,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:57:00,857 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-26 02:57:00,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:57:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2019-11-26 02:57:00,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:57:00,858 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:57:00,858 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:57:00,858 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:57:00,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:57:00,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1323875568, now seen corresponding path program 1 times [2019-11-26 02:57:00,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:57:00,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34437938] [2019-11-26 02:57:00,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:57:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:57:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:57:00,893 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34437938] [2019-11-26 02:57:00,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:57:00,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:57:00,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503977818] [2019-11-26 02:57:00,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:57:00,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:57:00,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:57:00,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:57:00,896 INFO L87 Difference]: Start difference. First operand 8 states and 10 transitions. Second operand 3 states. [2019-11-26 02:57:00,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:57:00,909 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2019-11-26 02:57:00,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:57:00,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-26 02:57:00,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:57:00,913 INFO L225 Difference]: With dead ends: 15 [2019-11-26 02:57:00,913 INFO L226 Difference]: Without dead ends: 9 [2019-11-26 02:57:00,914 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 [2019-11-26 02:57:00,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-26 02:57:00,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-26 02:57:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-26 02:57:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2019-11-26 02:57:00,918 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 7 [2019-11-26 02:57:00,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:57:00,918 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2019-11-26 02:57:00,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:57:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-26 02:57:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:57:00,919 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:57:00,919 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:57:00,920 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:57:00,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:57:00,921 INFO L82 PathProgramCache]: Analyzing trace with hash 818898161, now seen corresponding path program 1 times [2019-11-26 02:57:00,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:57:00,921 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972022858] [2019-11-26 02:57:00,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:57:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:57:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:57:00,952 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972022858] [2019-11-26 02:57:00,953 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450733484] [2019-11-26 02:57:00,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/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 [2019-11-26 02:57:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:57:00,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-26 02:57:00,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:57:01,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:57:01,004 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:57:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:57:01,035 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [308633821] [2019-11-26 02:57:01,053 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2019-11-26 02:57:01,053 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:57:01,058 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:57:01,071 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:57:01,072 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:57:01,435 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:57:01,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:57:01,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3, 3, 3] total 9 [2019-11-26 02:57:01,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986436974] [2019-11-26 02:57:01,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-26 02:57:01,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:57:01,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-26 02:57:01,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-26 02:57:01,626 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand 6 states. [2019-11-26 02:57:01,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:57:01,737 INFO L93 Difference]: Finished difference Result 14 states and 20 transitions. [2019-11-26 02:57:01,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:57:01,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2019-11-26 02:57:01,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:57:01,738 INFO L225 Difference]: With dead ends: 14 [2019-11-26 02:57:01,738 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:57:01,739 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-11-26 02:57:01,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:57:01,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:57:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:57:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:57:01,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-26 02:57:01,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:57:01,740 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:57:01,740 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-26 02:57:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:57:01,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:57:01,941 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:57:01,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:57:02,081 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:57:02,081 INFO L440 ceAbstractionStarter]: At program point L21-2(lines 21 23) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~i~0) (<= 20 ULTIMATE.start_main_~j~0) (<= ULTIMATE.start_main_~i~0 101) (= ULTIMATE.start_main_~k~0 4)) [2019-11-26 02:57:02,081 INFO L440 ceAbstractionStarter]: At program point L21-3(lines 15 24) the Hoare annotation is: (or (and (= 0 (+ ULTIMATE.start_main_~j~0 100)) (= ULTIMATE.start_main_~i~0 0) (= ULTIMATE.start_main_~k~0 9)) (and (<= 1 ULTIMATE.start_main_~i~0) (<= 20 ULTIMATE.start_main_~j~0) (<= ULTIMATE.start_main_~i~0 101) (= ULTIMATE.start_main_~k~0 4))) [2019-11-26 02:57:02,082 INFO L440 ceAbstractionStarter]: At program point L17-2(lines 17 19) the Hoare annotation is: (and (<= 1 ULTIMATE.start_main_~i~0) (<= 0 (+ ULTIMATE.start_main_~j~0 100)) (<= ULTIMATE.start_main_~i~0 101) (<= 4 ULTIMATE.start_main_~k~0) (<= ULTIMATE.start_main_~k~0 9)) [2019-11-26 02:57:02,082 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-26 02:57:02,082 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:57:02,082 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-26 02:57:02,082 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-26 02:57:02,082 INFO L447 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-11-26 02:57:02,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:57:02 BoogieIcfgContainer [2019-11-26 02:57:02,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:57:02,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:57:02,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:57:02,108 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:57:02,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:57:00" (3/4) ... [2019-11-26 02:57:02,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:57:02,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-26 02:57:02,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:57:02,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:57:02,174 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dbfdd713-799c-46bb-811c-2c396a11cca4/bin/utaipan/witness.graphml [2019-11-26 02:57:02,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:57:02,176 INFO L168 Benchmark]: Toolchain (without parser) took 2247.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -105.1 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:57:02,176 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:57:02,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -236.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:57:02,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:57:02,178 INFO L168 Benchmark]: Boogie Preprocessor took 17.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:57:02,178 INFO L168 Benchmark]: RCFGBuilder took 244.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:57:02,178 INFO L168 Benchmark]: TraceAbstraction took 1626.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 107.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:57:02,179 INFO L168 Benchmark]: Witness Printer took 66.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:57:02,181 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -236.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 244.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1626.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 107.2 MB). Peak memory consumption was 107.2 MB. Max. memory is 11.5 GB. * Witness Printer took 66.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((1 <= i && 0 <= j + 100) && i <= 101) && 4 <= k) && k <= 9 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((0 == j + 100 && i == 0) && k == 9) || (((1 <= i && 20 <= j) && i <= 101) && k == 4) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((1 <= i && 20 <= j) && i <= 101) && k == 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 19 SDtfs, 5 SDslu, 13 SDs, 0 SdLazy, 22 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 58 HoareAnnotationTreeSize, 4 FomulaSimplifications, 23 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 456 SizeOfPredicates, 1 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 4/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 383, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 6, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 24, TOOLS_POST_TIME[ms]: 30, 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: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 22, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 58, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 36, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 208, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 41, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 10, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 279, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 279, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, 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]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 9, DAG_COMPRESSION_PROCESSED_NODES: 78, DAG_COMPRESSION_RETAINED_NODES: 29, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...