./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test28_false-unreach-call_true-termination.c --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_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test28_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/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 4ab8dcad35597bc77a09246c20c802a7c0b3d86b ............................................................................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-11-10 09:44:26,539 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:44:26,540 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:44:26,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:44:26,548 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:44:26,549 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:44:26,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:44:26,551 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:44:26,552 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:44:26,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:44:26,553 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:44:26,553 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:44:26,554 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:44:26,554 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:44:26,555 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:44:26,556 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:44:26,556 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:44:26,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:44:26,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:44:26,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:44:26,560 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:44:26,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:44:26,562 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:44:26,562 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:44:26,562 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:44:26,563 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:44:26,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:44:26,564 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:44:26,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:44:26,565 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:44:26,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:44:26,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:44:26,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:44:26,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:44:26,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:44:26,567 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:44:26,567 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 09:44:26,576 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:44:26,576 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:44:26,577 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:44:26,577 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 09:44:26,577 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 09:44:26,577 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 09:44:26,577 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 09:44:26,577 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 09:44:26,578 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 09:44:26,578 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 09:44:26,578 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 09:44:26,578 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:44:26,579 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:44:26,579 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:44:26,579 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:44:26,579 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:44:26,579 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:44:26,579 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:44:26,579 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:44:26,579 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:44:26,580 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:44:26,580 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:44:26,580 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:44:26,580 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:44:26,580 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:44:26,580 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 09:44:26,580 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:44:26,580 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:44:26,581 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:44:26,581 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:44:26,581 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 09:44:26,581 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:44:26,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:44:26,581 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 09:44:26,581 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_bcf07ea2-11e6-479f-88b3-c26f61389930/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 -> 4ab8dcad35597bc77a09246c20c802a7c0b3d86b [2018-11-10 09:44:26,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:44:26,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:44:26,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:44:26,617 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:44:26,617 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:44:26,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/../../sv-benchmarks/c/ldv-regression/test28_false-unreach-call_true-termination.c [2018-11-10 09:44:26,653 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/data/e9e27247a/2d4b93c4805f445cb79d3937276203ef/FLAG3def8419a [2018-11-10 09:44:26,945 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:44:26,946 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/sv-benchmarks/c/ldv-regression/test28_false-unreach-call_true-termination.c [2018-11-10 09:44:26,949 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/data/e9e27247a/2d4b93c4805f445cb79d3937276203ef/FLAG3def8419a [2018-11-10 09:44:26,958 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/data/e9e27247a/2d4b93c4805f445cb79d3937276203ef [2018-11-10 09:44:26,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:44:26,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:44:26,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:44:26,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:44:26,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:44:26,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:44:26" (1/1) ... [2018-11-10 09:44:26,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710b32d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:26, skipping insertion in model container [2018-11-10 09:44:26,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:44:26" (1/1) ... [2018-11-10 09:44:26,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:44:26,985 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:44:27,082 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:44:27,088 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:44:27,097 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:44:27,106 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:44:27,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27 WrapperNode [2018-11-10 09:44:27,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:44:27,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:44:27,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:44:27,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:44:27,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (1/1) ... [2018-11-10 09:44:27,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (1/1) ... [2018-11-10 09:44:27,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:44:27,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:44:27,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:44:27,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:44:27,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (1/1) ... [2018-11-10 09:44:27,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (1/1) ... [2018-11-10 09:44:27,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (1/1) ... [2018-11-10 09:44:27,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (1/1) ... [2018-11-10 09:44:27,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (1/1) ... [2018-11-10 09:44:27,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (1/1) ... [2018-11-10 09:44:27,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (1/1) ... [2018-11-10 09:44:27,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:44:27,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:44:27,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:44:27,156 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:44:27,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:44:27,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 09:44:27,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 09:44:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:44:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:44:27,250 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 09:44:27,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 09:44:27,389 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:44:27,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:44:27 BoogieIcfgContainer [2018-11-10 09:44:27,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:44:27,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 09:44:27,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 09:44:27,391 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 09:44:27,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:44:26" (1/3) ... [2018-11-10 09:44:27,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a45945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:44:27, skipping insertion in model container [2018-11-10 09:44:27,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:44:27" (2/3) ... [2018-11-10 09:44:27,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a45945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:44:27, skipping insertion in model container [2018-11-10 09:44:27,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:44:27" (3/3) ... [2018-11-10 09:44:27,393 INFO L112 eAbstractionObserver]: Analyzing ICFG test28_false-unreach-call_true-termination.c [2018-11-10 09:44:27,399 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 09:44:27,404 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 09:44:27,412 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 09:44:27,432 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 09:44:27,432 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 09:44:27,432 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 09:44:27,432 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 09:44:27,432 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 09:44:27,432 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 09:44:27,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 09:44:27,432 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 09:44:27,442 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-10 09:44:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 09:44:27,445 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:44:27,446 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:44:27,447 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:44:27,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:44:27,451 INFO L82 PathProgramCache]: Analyzing trace with hash 668850033, now seen corresponding path program 1 times [2018-11-10 09:44:27,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:44:27,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:44:27,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:44:27,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:44:27,488 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:44:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:44:27,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:44:27,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 09:44:27,610 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:44:27,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 09:44:27,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 09:44:27,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:44:27,622 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2018-11-10 09:44:27,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:44:27,773 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2018-11-10 09:44:27,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 09:44:27,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-10 09:44:27,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:44:27,780 INFO L225 Difference]: With dead ends: 29 [2018-11-10 09:44:27,780 INFO L226 Difference]: Without dead ends: 14 [2018-11-10 09:44:27,782 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2018-11-10 09:44:27,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-10 09:44:27,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-10 09:44:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-10 09:44:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-11-10 09:44:27,804 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 13 [2018-11-10 09:44:27,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:44:27,805 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-11-10 09:44:27,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 09:44:27,805 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-10 09:44:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 09:44:27,805 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:44:27,806 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:44:27,806 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:44:27,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:44:27,806 INFO L82 PathProgramCache]: Analyzing trace with hash 667002991, now seen corresponding path program 1 times [2018-11-10 09:44:27,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:44:27,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:44:27,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:44:27,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:44:27,808 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:44:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:44:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:44:27,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 09:44:27,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 09:44:27,842 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 09:44:27,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 09:44:27,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 09:44:27,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 09:44:27,843 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 5 states. [2018-11-10 09:44:27,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 09:44:27,875 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2018-11-10 09:44:27,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 09:44:27,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-10 09:44:27,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 09:44:27,876 INFO L225 Difference]: With dead ends: 21 [2018-11-10 09:44:27,876 INFO L226 Difference]: Without dead ends: 14 [2018-11-10 09:44:27,876 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-10 09:44:27,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-10 09:44:27,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-10 09:44:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-10 09:44:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2018-11-10 09:44:27,879 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2018-11-10 09:44:27,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 09:44:27,879 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2018-11-10 09:44:27,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 09:44:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-11-10 09:44:27,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 09:44:27,880 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 09:44:27,880 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 09:44:27,880 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 09:44:27,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:44:27,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1852956943, now seen corresponding path program 1 times [2018-11-10 09:44:27,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 09:44:27,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:44:27,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 09:44:27,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 09:44:27,881 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 09:44:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:44:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 09:44:27,911 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 09:44:27,920 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,921 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,921 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,921 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,922 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,922 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,922 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,922 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,923 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,923 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,923 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,923 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,924 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,924 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,924 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,925 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:44:27 BoogieIcfgContainer [2018-11-10 09:44:27,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 09:44:27,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:44:27,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:44:27,935 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:44:27,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:44:27" (3/4) ... [2018-11-10 09:44:27,938 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 09:44:27,939 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,941 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,941 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,941 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,941 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,942 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,942 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,942 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,942 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,943 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,943 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,943 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,944 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,944 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,944 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,944 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 09:44:27,971 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bcf07ea2-11e6-479f-88b3-c26f61389930/bin-2019/utaipan/witness.graphml [2018-11-10 09:44:27,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:44:27,972 INFO L168 Benchmark]: Toolchain (without parser) took 1011.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -142.5 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:27,973 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:44:27,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.55 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 942.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:27,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.32 ms. Allocated memory is still 1.0 GB. Free memory was 942.9 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:27,974 INFO L168 Benchmark]: Boogie Preprocessor took 17.80 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:44:27,974 INFO L168 Benchmark]: RCFGBuilder took 233.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:27,975 INFO L168 Benchmark]: TraceAbstraction took 545.17 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:27,975 INFO L168 Benchmark]: Witness Printer took 36.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 09:44:27,978 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.55 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 942.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.32 ms. Allocated memory is still 1.0 GB. Free memory was 942.9 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.80 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 233.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 545.17 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * Witness Printer took 36.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 26]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] CALL struct dummy d1, d2; [L12] RET struct dummy d1, d2; [L12] RET struct dummy d1, d2; [L13] int n = __VERIFIER_nondet_int(); [L14] COND FALSE, EXPR !(n ? &d1 : &d2) [L14] struct dummy *pd = n ? &d1 : &d2; [L15] COND TRUE pd == &d2 [L16] CALL pd->a = 0 [L16] RET pd->a = 0 [L20] pd == &d2 && d2.b != 0 [L20] CALL, EXPR d2.b [L20] RET, EXPR d2.b [L20] pd == &d2 && d2.b != 0 [L20] COND TRUE pd == &d2 && d2.b != 0 [L26] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 31 SDslu, 66 SDs, 0 SdLazy, 58 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...