./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 35a5ccff58935eefedf723cd2243fac7c8b8e61b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:24:10,290 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:24:10,295 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:24:10,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:24:10,305 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:24:10,306 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:24:10,308 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:24:10,309 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:24:10,311 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:24:10,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:24:10,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:24:10,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:24:10,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:24:10,315 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:24:10,316 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:24:10,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:24:10,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:24:10,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:24:10,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:24:10,323 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:24:10,324 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:24:10,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:24:10,327 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:24:10,327 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:24:10,327 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:24:10,328 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:24:10,329 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:24:10,330 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:24:10,331 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:24:10,332 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:24:10,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:24:10,333 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:24:10,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:24:10,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:24:10,335 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:24:10,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:24:10,336 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 23:24:10,348 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:24:10,349 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:24:10,349 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:24:10,349 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 23:24:10,350 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 23:24:10,350 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 23:24:10,351 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 23:24:10,351 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 23:24:10,351 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 23:24:10,351 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 23:24:10,351 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 23:24:10,352 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:24:10,352 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:24:10,352 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:24:10,353 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:24:10,353 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:24:10,353 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:24:10,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:24:10,353 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:24:10,353 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:24:10,354 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:24:10,354 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:24:10,356 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:24:10,356 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 23:24:10,356 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:24:10,356 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 23:24:10,356 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:24:10,357 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:24:10,357 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:24:10,357 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:24:10,357 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 23:24:10,357 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:24:10,357 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:24:10,358 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 23:24:10,358 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35a5ccff58935eefedf723cd2243fac7c8b8e61b [2018-10-26 23:24:10,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:24:10,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:24:10,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:24:10,405 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:24:10,405 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:24:10,406 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i [2018-10-26 23:24:10,465 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/data/44f6f92ba/0a76a789cbba4e3484402a163efb0a7a/FLAGca6967c3d [2018-10-26 23:24:10,893 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:24:10,894 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/sv-benchmarks/c/forester-heap/dll-token_false-unreach-call_false-valid-memcleanup.i [2018-10-26 23:24:10,905 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/data/44f6f92ba/0a76a789cbba4e3484402a163efb0a7a/FLAGca6967c3d [2018-10-26 23:24:10,918 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/data/44f6f92ba/0a76a789cbba4e3484402a163efb0a7a [2018-10-26 23:24:10,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:24:10,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:24:10,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:24:10,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:24:10,926 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:24:10,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:24:10" (1/1) ... [2018-10-26 23:24:10,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17af8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:10, skipping insertion in model container [2018-10-26 23:24:10,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:24:10" (1/1) ... [2018-10-26 23:24:10,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:24:10,977 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:24:11,228 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:24:11,238 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:24:11,304 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:24:11,348 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:24:11,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11 WrapperNode [2018-10-26 23:24:11,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:24:11,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:24:11,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:24:11,350 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:24:11,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (1/1) ... [2018-10-26 23:24:11,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (1/1) ... [2018-10-26 23:24:11,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:24:11,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:24:11,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:24:11,495 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:24:11,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (1/1) ... [2018-10-26 23:24:11,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (1/1) ... [2018-10-26 23:24:11,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (1/1) ... [2018-10-26 23:24:11,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (1/1) ... [2018-10-26 23:24:11,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (1/1) ... [2018-10-26 23:24:11,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (1/1) ... [2018-10-26 23:24:11,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (1/1) ... [2018-10-26 23:24:11,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:24:11,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:24:11,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:24:11,556 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:24:11,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 23:24:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 23:24:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 23:24:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 23:24:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 23:24:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:24:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:24:12,391 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:24:12,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:24:12 BoogieIcfgContainer [2018-10-26 23:24:12,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:24:12,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 23:24:12,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 23:24:12,397 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 23:24:12,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 11:24:10" (1/3) ... [2018-10-26 23:24:12,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72902b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:24:12, skipping insertion in model container [2018-10-26 23:24:12,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:24:11" (2/3) ... [2018-10-26 23:24:12,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72902b45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 11:24:12, skipping insertion in model container [2018-10-26 23:24:12,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:24:12" (3/3) ... [2018-10-26 23:24:12,400 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-token_false-unreach-call_false-valid-memcleanup.i [2018-10-26 23:24:12,409 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 23:24:12,417 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-10-26 23:24:12,428 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-10-26 23:24:12,460 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 23:24:12,460 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 23:24:12,460 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 23:24:12,461 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 23:24:12,461 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 23:24:12,461 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 23:24:12,461 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 23:24:12,461 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 23:24:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-10-26 23:24:12,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 23:24:12,486 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:24:12,486 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:24:12,489 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:24:12,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:24:12,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1504952782, now seen corresponding path program 1 times [2018-10-26 23:24:12,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:24:12,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:12,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:24:12,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:12,551 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:24:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:12,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:24:12,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:24:12,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 23:24:12,660 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:24:12,666 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 23:24:12,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 23:24:12,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:24:12,682 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-10-26 23:24:12,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:24:12,704 INFO L93 Difference]: Finished difference Result 102 states and 148 transitions. [2018-10-26 23:24:12,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 23:24:12,705 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-10-26 23:24:12,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:24:12,713 INFO L225 Difference]: With dead ends: 102 [2018-10-26 23:24:12,713 INFO L226 Difference]: Without dead ends: 48 [2018-10-26 23:24:12,717 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 23:24:12,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-10-26 23:24:12,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-10-26 23:24:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-10-26 23:24:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2018-10-26 23:24:12,748 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 11 [2018-10-26 23:24:12,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:24:12,749 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2018-10-26 23:24:12,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 23:24:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2018-10-26 23:24:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:24:12,749 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:24:12,750 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:24:12,750 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:24:12,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:24:12,751 INFO L82 PathProgramCache]: Analyzing trace with hash -266784320, now seen corresponding path program 1 times [2018-10-26 23:24:12,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:24:12,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:12,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:24:12,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:12,753 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:24:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:24:12,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:24:12,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:24:12,915 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:24:12,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:24:12,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:24:12,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:24:12,917 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 4 states. [2018-10-26 23:24:13,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:24:13,114 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2018-10-26 23:24:13,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 23:24:13,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-10-26 23:24:13,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:24:13,115 INFO L225 Difference]: With dead ends: 48 [2018-10-26 23:24:13,115 INFO L226 Difference]: Without dead ends: 46 [2018-10-26 23:24:13,116 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:24:13,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-26 23:24:13,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-10-26 23:24:13,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-10-26 23:24:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2018-10-26 23:24:13,121 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 12 [2018-10-26 23:24:13,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:24:13,121 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2018-10-26 23:24:13,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:24:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-10-26 23:24:13,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 23:24:13,122 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:24:13,122 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:24:13,122 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:24:13,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:24:13,123 INFO L82 PathProgramCache]: Analyzing trace with hash 318390392, now seen corresponding path program 1 times [2018-10-26 23:24:13,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:24:13,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:13,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:24:13,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:13,125 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:24:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:13,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:24:13,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:24:13,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 23:24:13,217 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:24:13,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 23:24:13,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 23:24:13,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 23:24:13,218 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 4 states. [2018-10-26 23:24:13,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:24:13,383 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2018-10-26 23:24:13,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 23:24:13,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-10-26 23:24:13,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:24:13,387 INFO L225 Difference]: With dead ends: 75 [2018-10-26 23:24:13,387 INFO L226 Difference]: Without dead ends: 73 [2018-10-26 23:24:13,387 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:24:13,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-26 23:24:13,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 44. [2018-10-26 23:24:13,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-26 23:24:13,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-10-26 23:24:13,400 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 13 [2018-10-26 23:24:13,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:24:13,400 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-10-26 23:24:13,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 23:24:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-10-26 23:24:13,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:24:13,401 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:24:13,401 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:24:13,402 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:24:13,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:24:13,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1262223739, now seen corresponding path program 1 times [2018-10-26 23:24:13,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:24:13,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:13,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:24:13,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:13,407 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:24:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:24:13,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:24:13,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:24:13,737 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:24:13,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:24:13,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:24:13,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:24:13,738 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 5 states. [2018-10-26 23:24:13,963 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-10-26 23:24:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:24:14,155 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2018-10-26 23:24:14,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:24:14,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-10-26 23:24:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:24:14,157 INFO L225 Difference]: With dead ends: 66 [2018-10-26 23:24:14,157 INFO L226 Difference]: Without dead ends: 64 [2018-10-26 23:24:14,158 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:24:14,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-10-26 23:24:14,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 56. [2018-10-26 23:24:14,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-10-26 23:24:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-10-26 23:24:14,166 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 19 [2018-10-26 23:24:14,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:24:14,167 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-10-26 23:24:14,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:24:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-10-26 23:24:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:24:14,167 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:24:14,168 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:24:14,168 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:24:14,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:24:14,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1262260482, now seen corresponding path program 1 times [2018-10-26 23:24:14,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:24:14,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:14,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:24:14,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:14,172 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:24:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:14,450 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-10-26 23:24:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:24:14,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 23:24:14,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 23:24:14,478 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:24:14,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 23:24:14,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 23:24:14,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 23:24:14,480 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 5 states. [2018-10-26 23:24:14,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:24:14,646 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2018-10-26 23:24:14,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 23:24:14,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-10-26 23:24:14,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:24:14,648 INFO L225 Difference]: With dead ends: 86 [2018-10-26 23:24:14,648 INFO L226 Difference]: Without dead ends: 58 [2018-10-26 23:24:14,649 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 23:24:14,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-10-26 23:24:14,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2018-10-26 23:24:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-10-26 23:24:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2018-10-26 23:24:14,655 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 19 [2018-10-26 23:24:14,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:24:14,655 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2018-10-26 23:24:14,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 23:24:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2018-10-26 23:24:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:24:14,656 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 23:24:14,656 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 23:24:14,657 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 23:24:14,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:24:14,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1770286947, now seen corresponding path program 1 times [2018-10-26 23:24:14,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 23:24:14,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:14,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 23:24:14,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 23:24:14,659 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 23:24:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:24:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:24:14,719 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 23:24:14,734 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,735 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,737 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,737 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,737 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,738 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,738 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,739 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,739 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,739 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,740 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,740 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,741 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,741 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,741 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,742 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,742 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,743 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,743 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,744 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,744 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,744 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,745 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,745 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,746 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,746 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,746 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,747 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,747 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,747 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,748 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,748 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,749 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:24:14 BoogieIcfgContainer [2018-10-26 23:24:14,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:24:14,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:24:14,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:24:14,774 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:24:14,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:24:12" (3/4) ... [2018-10-26 23:24:14,777 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 23:24:14,779 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,779 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,779 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,780 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,780 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,780 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,780 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,780 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,781 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,781 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,781 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,781 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,782 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,782 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,782 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,782 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,783 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,783 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,783 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,784 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,784 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,784 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,784 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,785 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,785 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,785 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,785 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,786 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,786 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,786 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,786 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,787 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,787 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,787 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,787 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,788 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 23:24:14,840 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e8a1e1e2-49db-4550-8226-766af39cef1e/bin-2019/utaipan/witness.graphml [2018-10-26 23:24:14,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:24:14,841 INFO L168 Benchmark]: Toolchain (without parser) took 3920.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 953.1 MB in the beginning and 985.7 MB in the end (delta: -32.6 MB). Peak memory consumption was 123.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:24:14,842 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:24:14,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.34 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 928.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:24:14,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 145.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 928.9 MB in the beginning and 1.2 GB in the end (delta: -225.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:24:14,843 INFO L168 Benchmark]: Boogie Preprocessor took 60.14 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:24:14,844 INFO L168 Benchmark]: RCFGBuilder took 836.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:24:14,844 INFO L168 Benchmark]: TraceAbstraction took 2380.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.0 MB in the end (delta: 127.2 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:24:14,845 INFO L168 Benchmark]: Witness Printer took 66.31 ms. Allocated memory is still 1.2 GB. Free memory was 991.0 MB in the beginning and 985.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:24:14,853 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 426.34 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 928.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 145.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 928.9 MB in the beginning and 1.2 GB in the end (delta: -225.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.14 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 836.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2380.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 991.0 MB in the end (delta: 127.2 MB). Peak memory consumption was 127.2 MB. Max. memory is 11.5 GB. * Witness Printer took 66.31 ms. Allocated memory is still 1.2 GB. Free memory was 991.0 MB in the beginning and 985.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1026]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L993] EXPR, FCALL malloc(sizeof(SLL)) [L993] SLL* head = malloc(sizeof(SLL)); [L994] CALL head->next = ((void*)0) [L994] RET head->next = ((void*)0) [L995] CALL head->prev = ((void*)0) [L995] RET head->prev = ((void*)0) [L996] CALL head->data = 0 [L996] RET head->data = 0 [L998] SLL* x = head; [L1001] COND FALSE !(__VERIFIER_nondet_int()) [L1010] CALL x->data = 1 [L1010] RET x->data = 1 [L1011] EXPR, FCALL malloc(sizeof(SLL)) [L1011] CALL x->next = malloc(sizeof(SLL)) [L1011] RET x->next = malloc(sizeof(SLL)) [L1012] CALL, EXPR x->next [L1012] RET, EXPR x->next [L1012] CALL x->next->prev = x [L1012] RET x->next->prev = x [L1013] CALL, EXPR x->next [L1013] RET, EXPR x->next [L1013] CALL x->next->data = 2 [L1013] RET x->next->data = 2 [L1015] x = head [L1017] COND FALSE !(!(((void*)0) != x)) [L1017] COND FALSE !(0) [L1019] CALL, EXPR x->data [L1019] RET, EXPR x->data [L1019] COND FALSE !(1 != x->data) [L1024] CALL, EXPR x->data [L1024] RET, EXPR x->data [L1024] COND FALSE !(!(1 == x->data)) [L1024] COND FALSE !(0) [L1025] CALL, EXPR x->next [L1025] RET, EXPR x->next [L1025] x = x->next [L1026] CALL, EXPR x->data [L1026] RET, EXPR x->data [L1026] COND TRUE !(2 != x->data) [L1026] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 54 locations, 6 error locations. UNSAFE Result, 2.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 210 SDtfs, 125 SDslu, 284 SDs, 0 SdLazy, 147 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 39 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 6107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...