./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f5bdb078d6ad5b90a3e716506f89d68a310f749 ...................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f5bdb078d6ad5b90a3e716506f89d68a310f749 ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:18,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:18,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:18,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:18,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:18,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:18,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:18,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:18,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:18,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:18,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:18,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:18,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:18,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:18,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:18,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:18,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:18,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:18,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:18,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:18,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:18,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:18,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:18,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:18,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:18,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:18,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:18,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:18,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:18,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:18,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:18,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:18,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:18,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:18,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:18,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:18,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:18,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:18,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:18,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:18,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:18,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:18,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:18,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:18,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:18,541 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:18,541 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:18,541 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:18,541 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:18,541 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:18,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:18,541 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:18,542 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:18,542 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:18,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:18,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:18,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:18,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:18,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:18,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:18,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:18,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:18,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:18,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:18,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:18,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:18,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:18,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:18,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:18,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:18,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:18,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:18,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:18,554 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:18,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:18,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:18,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:18,554 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f5bdb078d6ad5b90a3e716506f89d68a310f749 [2019-10-22 11:23:18,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:18,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:18,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:18,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:18,600 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:18,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2019-10-22 11:23:18,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/data/b75b3aa84/0845c6e6a5fc4d029d3685030e1ddb57/FLAGb58bec13d [2019-10-22 11:23:19,054 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:19,055 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2019-10-22 11:23:19,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/data/b75b3aa84/0845c6e6a5fc4d029d3685030e1ddb57/FLAGb58bec13d [2019-10-22 11:23:19,452 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/data/b75b3aa84/0845c6e6a5fc4d029d3685030e1ddb57 [2019-10-22 11:23:19,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:19,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:19,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:19,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:19,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:19,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2ced30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19, skipping insertion in model container [2019-10-22 11:23:19,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,470 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:19,482 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:19,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:19,612 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:19,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:19,696 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:19,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19 WrapperNode [2019-10-22 11:23:19,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:19,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:19,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:19,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:19,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:19,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:19,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:19,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:19,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... [2019-10-22 11:23:19,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:19,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:19,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:19,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:19,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:19,939 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:19,939 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:23:19,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:19 BoogieIcfgContainer [2019-10-22 11:23:19,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:19,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:19,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:19,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:19,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:19" (1/3) ... [2019-10-22 11:23:19,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c41d03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:19, skipping insertion in model container [2019-10-22 11:23:19,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:19" (2/3) ... [2019-10-22 11:23:19,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c41d03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:19, skipping insertion in model container [2019-10-22 11:23:19,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:19" (3/3) ... [2019-10-22 11:23:19,949 INFO L109 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2019-10-22 11:23:19,958 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:19,964 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:23:19,975 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:23:19,998 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:19,998 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:19,998 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:19,998 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:19,998 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:19,999 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:19,999 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:19,999 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:20,011 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-10-22 11:23:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:23:20,018 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:20,019 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:23:20,020 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:20,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:20,026 INFO L82 PathProgramCache]: Analyzing trace with hash 29954948, now seen corresponding path program 1 times [2019-10-22 11:23:20,033 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:20,034 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971314053] [2019-10-22 11:23:20,034 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,034 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:20,129 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971314053] [2019-10-22 11:23:20,130 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:20,130 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:20,131 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337838816] [2019-10-22 11:23:20,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:23:20,135 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:20,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:23:20,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:23:20,150 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2019-10-22 11:23:20,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:20,163 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2019-10-22 11:23:20,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:23:20,164 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2019-10-22 11:23:20,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:20,172 INFO L225 Difference]: With dead ends: 19 [2019-10-22 11:23:20,172 INFO L226 Difference]: Without dead ends: 7 [2019-10-22 11:23:20,174 INFO L600 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 [2019-10-22 11:23:20,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-10-22 11:23:20,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-10-22 11:23:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-10-22 11:23:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-10-22 11:23:20,198 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2019-10-22 11:23:20,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:20,198 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-10-22 11:23:20,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:23:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-10-22 11:23:20,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:23:20,199 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:20,199 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:23:20,199 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:20,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:20,200 INFO L82 PathProgramCache]: Analyzing trace with hash 921957070, now seen corresponding path program 1 times [2019-10-22 11:23:20,200 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:20,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583074673] [2019-10-22 11:23:20,200 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,200 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:20,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:23:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:23:20,238 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:23:20,238 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:23:20,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:20 BoogieIcfgContainer [2019-10-22 11:23:20,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:20,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:20,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:20,253 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:20,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:19" (3/4) ... [2019-10-22 11:23:20,257 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 11:23:20,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:20,259 INFO L168 Benchmark]: Toolchain (without parser) took 802.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:20,259 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:20,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:20,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:20,261 INFO L168 Benchmark]: Boogie Preprocessor took 19.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:20,261 INFO L168 Benchmark]: RCFGBuilder took 193.78 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: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:20,262 INFO L168 Benchmark]: TraceAbstraction took 310.90 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:20,262 INFO L168 Benchmark]: Witness Printer took 4.21 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:20,266 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.59 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. * Boogie Preprocessor took 19.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 193.78 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: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 310.90 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.21 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 14. Possible FailurePath: [L10] unsigned int x = 5; [L11] COND FALSE !(__VERIFIER_nondet_int()) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 11 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=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:22,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:22,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:22,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:22,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:22,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:22,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:22,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:22,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:22,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:22,196 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:22,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:22,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:22,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:22,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:22,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:22,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:22,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:22,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:22,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:22,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:22,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:22,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:22,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:22,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:22,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:22,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:22,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:22,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:22,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:22,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:22,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:22,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:22,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:22,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:22,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:22,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:22,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:22,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:22,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:22,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:22,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:23:22,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:22,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:22,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:22,228 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:22,228 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:22,229 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:22,229 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:22,229 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:22,229 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:22,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:22,230 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:22,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:22,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:22,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:22,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:22,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:22,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:22,231 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:22,231 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:22,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:22,231 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:22,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:22,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:22,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:22,232 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:22,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:22,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:22,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:22,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:22,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:22,233 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:22,233 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:22,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:22,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:22,234 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f5bdb078d6ad5b90a3e716506f89d68a310f749 [2019-10-22 11:23:22,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:22,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:22,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:22,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:22,273 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:22,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2019-10-22 11:23:22,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/data/71bcaae40/8fd0549c43764a6cb206487ab4daa6a6/FLAGa41f68535 [2019-10-22 11:23:22,696 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:22,697 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2019-10-22 11:23:22,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/data/71bcaae40/8fd0549c43764a6cb206487ab4daa6a6/FLAGa41f68535 [2019-10-22 11:23:22,714 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/data/71bcaae40/8fd0549c43764a6cb206487ab4daa6a6 [2019-10-22 11:23:22,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:22,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:22,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:22,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:22,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:22,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:22,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a593a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22, skipping insertion in model container [2019-10-22 11:23:22,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:22,737 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:22,750 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:22,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:22,895 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:22,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:22,919 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:22,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22 WrapperNode [2019-10-22 11:23:22,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:22,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:22,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:22,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:22,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:22,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:23,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:23,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:23,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:23,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:23,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:23,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:23,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:23,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:23,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:23,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:23,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (1/1) ... [2019-10-22 11:23:23,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:23,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:23,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:23,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:23,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:23,189 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:23,189 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:23:23,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:23 BoogieIcfgContainer [2019-10-22 11:23:23,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:23,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:23,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:23,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:23,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:22" (1/3) ... [2019-10-22 11:23:23,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b8c481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:23, skipping insertion in model container [2019-10-22 11:23:23,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:22" (2/3) ... [2019-10-22 11:23:23,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b8c481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:23, skipping insertion in model container [2019-10-22 11:23:23,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:23" (3/3) ... [2019-10-22 11:23:23,197 INFO L109 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2019-10-22 11:23:23,205 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:23,211 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:23:23,217 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:23:23,238 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:23,238 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:23,238 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:23,238 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:23,238 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:23,238 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:23,238 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:23,239 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-10-22 11:23:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 11:23:23,260 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:23,260 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 11:23:23,262 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:23:23,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:23,267 INFO L82 PathProgramCache]: Analyzing trace with hash 29805000, now seen corresponding path program 1 times [2019-10-22 11:23:23,276 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:23:23,276 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1329774916] [2019-10-22 11:23:23,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:23,326 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 11:23:23,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:23,376 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:23,403 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1329774916] [2019-10-22 11:23:23,404 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:23,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-10-22 11:23:23,404 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064148098] [2019-10-22 11:23:23,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:23,408 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:23:23,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:23,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:23,432 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 6 states. [2019-10-22 11:23:23,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:23,508 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2019-10-22 11:23:23,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:23,510 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2019-10-22 11:23:23,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:23,515 INFO L225 Difference]: With dead ends: 23 [2019-10-22 11:23:23,515 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:23:23,518 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:23,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:23:23,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:23:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:23:23,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:23:23,538 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-10-22 11:23:23,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:23,538 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:23:23,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:23:23,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:23:23,739 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:23:23,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:23:23,836 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:23,837 INFO L439 ceAbstractionStarter]: At program point L15(lines 9 16) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0))) [2019-10-22 11:23:23,837 INFO L439 ceAbstractionStarter]: At program point L11-2(lines 11 13) the Hoare annotation is: (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0)) [2019-10-22 11:23:23,837 INFO L443 ceAbstractionStarter]: For program point L11-3(lines 11 13) no Hoare annotation was computed. [2019-10-22 11:23:23,837 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-22 11:23:23,837 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:23,837 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:23,837 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-10-22 11:23:23,838 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-10-22 11:23:23,838 INFO L439 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0))) [2019-10-22 11:23:23,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:23 BoogieIcfgContainer [2019-10-22 11:23:23,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:23,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:23,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:23,849 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:23,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:23" (3/4) ... [2019-10-22 11:23:23,852 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:23,861 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:23,861 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:23,889 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_72b04e63-72cb-470c-a3f6-6afa4bd5d3ee/bin/utaipan/witness.graphml [2019-10-22 11:23:23,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:23,893 INFO L168 Benchmark]: Toolchain (without parser) took 1171.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -118.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:23,893 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:23,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:23,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:23,895 INFO L168 Benchmark]: Boogie Preprocessor took 20.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:23,895 INFO L168 Benchmark]: RCFGBuilder took 167.98 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:23,896 INFO L168 Benchmark]: TraceAbstraction took 657.24 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: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:23,896 INFO L168 Benchmark]: Witness Printer took 40.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:23,898 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.73 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 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 81.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.06 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. * RCFGBuilder took 167.98 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 657.24 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: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. * Witness Printer took 40.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && 5bv32 == ~bvand32(5bv32, x) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && 5bv32 == ~bvand32(5bv32, x) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 5bv32 == ~bvand32(5bv32, x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 26 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...