./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/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 7f5bdb078d6ad5b90a3e716506f89d68a310f749 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-aa41828 [2018-11-23 01:12:14,616 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:12:14,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:12:14,625 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:12:14,626 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:12:14,626 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:12:14,627 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:12:14,629 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:12:14,630 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:12:14,631 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:12:14,631 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:12:14,631 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:12:14,632 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:12:14,633 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:12:14,634 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:12:14,634 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:12:14,635 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:12:14,636 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:12:14,638 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:12:14,639 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:12:14,640 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:12:14,640 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:12:14,642 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:12:14,642 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:12:14,642 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:12:14,643 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:12:14,644 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:12:14,644 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:12:14,645 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:12:14,646 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:12:14,646 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:12:14,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:12:14,647 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:12:14,647 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:12:14,647 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:12:14,648 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:12:14,648 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 01:12:14,659 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:12:14,659 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:12:14,660 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:12:14,660 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:12:14,660 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:12:14,660 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:12:14,660 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:12:14,660 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:12:14,660 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:12:14,661 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:12:14,661 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:12:14,661 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:12:14,661 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:12:14,662 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:12:14,662 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:12:14,662 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:12:14,662 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:12:14,662 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:12:14,662 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:12:14,662 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:12:14,663 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:12:14,663 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:12:14,663 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:12:14,663 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:12:14,663 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:12:14,663 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:12:14,664 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:12:14,664 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:12:14,664 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:12:14,664 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:12:14,664 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:12:14,664 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:12:14,664 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:12:14,665 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:12:14,665 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:12:14,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:12:14,665 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:12:14,665 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_8c9d236b-81fa-4430-8d14-0982563f767b/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 -> 7f5bdb078d6ad5b90a3e716506f89d68a310f749 [2018-11-23 01:12:14,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:12:14,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:12:14,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:12:14,702 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:12:14,703 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:12:14,703 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/../../sv-benchmarks/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-23 01:12:14,748 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/data/2b3112933/439d2fdd19974463ae889c8d24e1934d/FLAG9c417d6f4 [2018-11-23 01:12:15,089 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:12:15,089 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/sv-benchmarks/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-23 01:12:15,094 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/data/2b3112933/439d2fdd19974463ae889c8d24e1934d/FLAG9c417d6f4 [2018-11-23 01:12:15,509 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/data/2b3112933/439d2fdd19974463ae889c8d24e1934d [2018-11-23 01:12:15,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:12:15,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:12:15,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:12:15,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:12:15,515 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:12:15,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c09a18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15, skipping insertion in model container [2018-11-23 01:12:15,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:12:15,535 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:12:15,638 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:12:15,640 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:12:15,649 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:12:15,657 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:12:15,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15 WrapperNode [2018-11-23 01:12:15,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:12:15,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:12:15,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:12:15,658 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:12:15,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:12:15,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:12:15,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:12:15,670 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:12:15,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (1/1) ... [2018-11-23 01:12:15,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:12:15,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:12:15,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:12:15,684 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:12:15,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/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 [2018-11-23 01:12:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:12:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:12:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:12:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:12:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:12:15,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:12:15,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 01:12:15,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 01:12:15,873 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:12:15,874 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 01:12:15,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:15 BoogieIcfgContainer [2018-11-23 01:12:15,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:12:15,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:12:15,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:12:15,877 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:12:15,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:12:15" (1/3) ... [2018-11-23 01:12:15,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534f3974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:12:15, skipping insertion in model container [2018-11-23 01:12:15,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:15" (2/3) ... [2018-11-23 01:12:15,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534f3974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:12:15, skipping insertion in model container [2018-11-23 01:12:15,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:15" (3/3) ... [2018-11-23 01:12:15,880 INFO L112 eAbstractionObserver]: Analyzing ICFG bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-23 01:12:15,887 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:12:15,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:12:15,903 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:12:15,925 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:12:15,925 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:12:15,925 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:12:15,925 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:12:15,925 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:12:15,925 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:12:15,926 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:12:15,926 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:12:15,939 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-23 01:12:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 01:12:15,943 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:12:15,944 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:12:15,946 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:12:15,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:12:15,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1871509567, now seen corresponding path program 1 times [2018-11-23 01:12:15,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:12:15,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:12:15,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:12:15,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:12:15,983 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:12:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:12:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:12:16,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:12:16,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:12:16,021 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:12:16,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:12:16,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:12:16,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:12:16,035 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-23 01:12:16,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:12:16,050 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2018-11-23 01:12:16,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:12:16,051 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-23 01:12:16,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:12:16,056 INFO L225 Difference]: With dead ends: 31 [2018-11-23 01:12:16,056 INFO L226 Difference]: Without dead ends: 12 [2018-11-23 01:12:16,058 INFO L631 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 [2018-11-23 01:12:16,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-11-23 01:12:16,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-11-23 01:12:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-23 01:12:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-11-23 01:12:16,084 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-11-23 01:12:16,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:12:16,084 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-11-23 01:12:16,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:12:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-23 01:12:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 01:12:16,085 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:12:16,085 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:12:16,085 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:12:16,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:12:16,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1890620952, now seen corresponding path program 1 times [2018-11-23 01:12:16,086 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:12:16,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:12:16,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:12:16,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:12:16,087 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:12:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:12:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 01:12:16,117 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #33#return; [?] CALL call #t~ret1 := main(); [?] ~x~0 := 5; VAL [main_~x~0=5] [?] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [main_~x~0=5, |main_#t~nondet0|=0] [?] assume !(0 != #t~nondet0);havoc #t~nondet0; VAL [main_~x~0=5] [?] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [|__VERIFIER_assert_#in~cond|=0] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] assume !(0 != #t~nondet0); [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] assume !(0 != #t~nondet0); [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] COND TRUE !(0 != #t~nondet0) [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] COND TRUE !(0 != #t~nondet0) [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] COND TRUE !(0 != #t~nondet0) [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] COND TRUE !(0 != #t~nondet0) [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [L10] unsigned int x = 5; VAL [x=5] [L11] COND FALSE !(__VERIFIER_nondet_int()) [L14] CALL __VERIFIER_assert((x & 5) == 5) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-23 01:12:16,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:12:16 BoogieIcfgContainer [2018-11-23 01:12:16,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:12:16,137 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:12:16,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:12:16,137 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:12:16,138 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:15" (3/4) ... [2018-11-23 01:12:16,139 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #33#return; [?] CALL call #t~ret1 := main(); [?] ~x~0 := 5; VAL [main_~x~0=5] [?] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [main_~x~0=5, |main_#t~nondet0|=0] [?] assume !(0 != #t~nondet0);havoc #t~nondet0; VAL [main_~x~0=5] [?] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [|__VERIFIER_assert_#in~cond|=0] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] assume !(0 != #t~nondet0); [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] assume !(0 != #t~nondet0); [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] COND TRUE !(0 != #t~nondet0) [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] COND TRUE !(0 != #t~nondet0) [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] COND TRUE !(0 != #t~nondet0) [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] ~x~0 := 5; VAL [~x~0=5] [L11] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=0, ~x~0=5] [L11-L13] COND TRUE !(0 != #t~nondet0) [L11] havoc #t~nondet0; VAL [~x~0=5] [L14] CALL call __VERIFIER_assert((if 5 == ~bitwiseAnd(~x~0, 5) % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [L10] unsigned int x = 5; VAL [x=5] [L11] COND FALSE !(__VERIFIER_nondet_int()) [L14] CALL __VERIFIER_assert((x & 5) == 5) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-23 01:12:16,169 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8c9d236b-81fa-4430-8d14-0982563f767b/bin-2019/utaipan/witness.graphml [2018-11-23 01:12:16,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:12:16,170 INFO L168 Benchmark]: Toolchain (without parser) took 658.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 962.5 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:12:16,171 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:12:16,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.65 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:12:16,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:12:16,172 INFO L168 Benchmark]: Boogie Preprocessor took 13.43 ms. Allocated memory is still 1.0 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:12:16,172 INFO L168 Benchmark]: RCFGBuilder took 190.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:12:16,173 INFO L168 Benchmark]: TraceAbstraction took 261.95 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:12:16,173 INFO L168 Benchmark]: Witness Printer took 32.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:12:16,175 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.65 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.7 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 12.23 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.43 ms. Allocated memory is still 1.0 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 190.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 261.95 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Witness Printer took 32.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] unsigned int x = 5; VAL [x=5] [L11] COND FALSE !(__VERIFIER_nondet_int()) [L14] CALL __VERIFIER_assert((x & 5) == 5) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...