./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector-regression/signextension2_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension2_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/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 a1fc77a9dffa79314315496010110ca89f6240b0 ............................................................................................................................................................................................................................................ 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 0.1.23-5842f4b [2018-11-18 10:48:19,616 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:48:19,618 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:48:19,628 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:48:19,628 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:48:19,629 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:48:19,630 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:48:19,632 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:48:19,634 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:48:19,635 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:48:19,635 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:48:19,636 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:48:19,637 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:48:19,637 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:48:19,638 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:48:19,639 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:48:19,640 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:48:19,642 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:48:19,643 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:48:19,645 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:48:19,646 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:48:19,647 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:48:19,649 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:48:19,649 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:48:19,650 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:48:19,650 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:48:19,651 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:48:19,652 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:48:19,653 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:48:19,654 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:48:19,654 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:48:19,655 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:48:19,655 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:48:19,655 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:48:19,656 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:48:19,657 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:48:19,657 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:48:19,670 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:48:19,670 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:48:19,671 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:48:19,671 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:48:19,671 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:48:19,671 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:48:19,671 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:48:19,671 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:48:19,671 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:48:19,672 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:48:19,672 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:48:19,672 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:48:19,672 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:48:19,673 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:48:19,673 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:48:19,673 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:48:19,673 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:48:19,673 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:48:19,674 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:48:19,674 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:48:19,674 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:48:19,674 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:48:19,674 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:48:19,674 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:48:19,675 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:48:19,675 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:48:19,675 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:48:19,675 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:48:19,675 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:48:19,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:48:19,676 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:48:19,676 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:48:19,676 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:48:19,676 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:48:19,676 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:48:19,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:48:19,677 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:48:19,677 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_9d6c2f28-9106-4da2-911d-fe8aae27630c/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 -> a1fc77a9dffa79314315496010110ca89f6240b0 [2018-11-18 10:48:19,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:48:19,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:48:19,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:48:19,716 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:48:19,716 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:48:19,716 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/../../sv-benchmarks/c/bitvector-regression/signextension2_false-unreach-call_true-termination.c [2018-11-18 10:48:19,761 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/data/8393361f0/bd753df814e947bb8bff728f70d0a9b3/FLAG47c12069d [2018-11-18 10:48:20,114 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:48:20,114 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/sv-benchmarks/c/bitvector-regression/signextension2_false-unreach-call_true-termination.c [2018-11-18 10:48:20,118 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/data/8393361f0/bd753df814e947bb8bff728f70d0a9b3/FLAG47c12069d [2018-11-18 10:48:20,129 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/data/8393361f0/bd753df814e947bb8bff728f70d0a9b3 [2018-11-18 10:48:20,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:48:20,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:48:20,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:48:20,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:48:20,135 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:48:20,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88e9939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20, skipping insertion in model container [2018-11-18 10:48:20,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:48:20,166 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:48:20,321 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:48:20,325 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:48:20,335 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:48:20,344 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:48:20,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20 WrapperNode [2018-11-18 10:48:20,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:48:20,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:48:20,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:48:20,346 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:48:20,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:48:20,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:48:20,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:48:20,360 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:48:20,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (1/1) ... [2018-11-18 10:48:20,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:48:20,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:48:20,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:48:20,373 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:48:20,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/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 [2018-11-18 10:48:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:48:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:48:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:48:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:48:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:48:20,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:48:20,552 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:48:20,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:20 BoogieIcfgContainer [2018-11-18 10:48:20,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:48:20,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:48:20,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:48:20,555 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:48:20,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:48:20" (1/3) ... [2018-11-18 10:48:20,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fefcd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:20, skipping insertion in model container [2018-11-18 10:48:20,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:48:20" (2/3) ... [2018-11-18 10:48:20,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fefcd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:48:20, skipping insertion in model container [2018-11-18 10:48:20,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:20" (3/3) ... [2018-11-18 10:48:20,558 INFO L112 eAbstractionObserver]: Analyzing ICFG signextension2_false-unreach-call_true-termination.c [2018-11-18 10:48:20,564 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:48:20,570 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:48:20,580 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:48:20,611 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:48:20,611 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:48:20,611 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:48:20,612 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:48:20,612 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:48:20,612 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:48:20,612 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:48:20,612 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:48:20,624 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-18 10:48:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 10:48:20,628 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:48:20,629 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:48:20,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:48:20,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:48:20,634 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-18 10:48:20,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:48:20,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:20,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:48:20,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:48:20,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:48:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:48:20,739 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 10:48:20,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:48:20 BoogieIcfgContainer [2018-11-18 10:48:20,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:48:20,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:48:20,757 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:48:20,758 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:48:20,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:48:20" (3/4) ... [2018-11-18 10:48:20,760 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 10:48:20,794 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9d6c2f28-9106-4da2-911d-fe8aae27630c/bin-2019/utaipan/witness.graphml [2018-11-18 10:48:20,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:48:20,795 INFO L168 Benchmark]: Toolchain (without parser) took 663.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:48:20,796 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-18 10:48:20,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.78 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:20,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.39 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:48:20,798 INFO L168 Benchmark]: Boogie Preprocessor took 12.46 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 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. [2018-11-18 10:48:20,798 INFO L168 Benchmark]: RCFGBuilder took 179.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:20,799 INFO L168 Benchmark]: TraceAbstraction took 204.27 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: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:20,799 INFO L168 Benchmark]: Witness Printer took 36.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:20,803 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 212.78 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.39 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.46 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 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. * RCFGBuilder took 179.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -196.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 204.27 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: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Witness Printer took 36.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] unsigned int allOne = -1; [L6] int castToInt = allOne; [L7] long castToLong = allOne; [L8] long castToLong2 = castToInt; [L9] unsigned long castToULong = allOne; VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] [L11-L12] COND TRUE castToInt == -1 && castToLong == 4294967295UL && castToLong2 == -1 && castToULong == 4294967295UL VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] [L17] __VERIFIER_error() VAL [allOne=4294967295, castToInt=-1, castToLong=-1, castToLong2=-1, castToULong=4294967295] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...