./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_math_1_true-unreach-call_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_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_math_1_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/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 048dc8680b8ad79c5b7f9350cbf77794fd0e2335 ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:15:46,263 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:15:46,265 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:15:46,274 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:15:46,274 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:15:46,275 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:15:46,276 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:15:46,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:15:46,278 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:15:46,279 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:15:46,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:15:46,280 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:15:46,281 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:15:46,282 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:15:46,282 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:15:46,283 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:15:46,284 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:15:46,285 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:15:46,286 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:15:46,287 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:15:46,288 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:15:46,289 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:15:46,291 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:15:46,291 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:15:46,291 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:15:46,292 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:15:46,293 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:15:46,294 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:15:46,294 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:15:46,295 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:15:46,295 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:15:46,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:15:46,296 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:15:46,296 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:15:46,297 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:15:46,298 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:15:46,298 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:15:46,309 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:15:46,309 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:15:46,310 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:15:46,310 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:15:46,310 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:15:46,311 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:15:46,311 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:15:46,311 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:15:46,311 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:15:46,311 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:15:46,311 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:15:46,311 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:15:46,312 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:15:46,312 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:15:46,312 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:15:46,313 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:15:46,313 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:15:46,313 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:15:46,313 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:15:46,313 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:15:46,313 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:15:46,313 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:15:46,313 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:15:46,314 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:15:46,314 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:15:46,314 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:15:46,314 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:15:46,314 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:15:46,314 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:15:46,315 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:15:46,315 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:15:46,315 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:15:46,315 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:15:46,315 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:15:46,315 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:15:46,315 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:15:46,316 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:15:46,316 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_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/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 -> 048dc8680b8ad79c5b7f9350cbf77794fd0e2335 [2018-11-22 23:15:46,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:15:46,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:15:46,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:15:46,354 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:15:46,354 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:15:46,355 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/../../sv-benchmarks/c/psyco/psyco_math_1_true-unreach-call_false-termination.c [2018-11-22 23:15:46,400 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/data/f7f4a396a/7b09e3d4c13c42c1a20772c056c54756/FLAG61da82109 [2018-11-22 23:15:46,767 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:15:46,768 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/sv-benchmarks/c/psyco/psyco_math_1_true-unreach-call_false-termination.c [2018-11-22 23:15:46,776 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/data/f7f4a396a/7b09e3d4c13c42c1a20772c056c54756/FLAG61da82109 [2018-11-22 23:15:47,165 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/data/f7f4a396a/7b09e3d4c13c42c1a20772c056c54756 [2018-11-22 23:15:47,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:15:47,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:15:47,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:15:47,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:15:47,174 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:15:47,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230ceac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47, skipping insertion in model container [2018-11-22 23:15:47,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:15:47,209 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:15:47,370 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:15:47,374 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:15:47,397 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:15:47,406 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:15:47,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47 WrapperNode [2018-11-22 23:15:47,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:15:47,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:15:47,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:15:47,408 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:15:47,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:15:47,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:15:47,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:15:47,469 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:15:47,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (1/1) ... [2018-11-22 23:15:47,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:15:47,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:15:47,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:15:47,500 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:15:47,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/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 [2018-11-22 23:15:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:15:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:15:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:15:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:15:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:15:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:15:47,860 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:15:47,860 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-22 23:15:47,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:47 BoogieIcfgContainer [2018-11-22 23:15:47,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:15:47,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:15:47,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:15:47,863 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:15:47,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:15:47" (1/3) ... [2018-11-22 23:15:47,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6ee117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:15:47, skipping insertion in model container [2018-11-22 23:15:47,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:47" (2/3) ... [2018-11-22 23:15:47,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6ee117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:15:47, skipping insertion in model container [2018-11-22 23:15:47,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:47" (3/3) ... [2018-11-22 23:15:47,866 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_math_1_true-unreach-call_false-termination.c [2018-11-22 23:15:47,872 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:15:47,877 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:15:47,887 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:15:47,910 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:15:47,911 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:15:47,911 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:15:47,911 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:15:47,911 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:15:47,911 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:15:47,911 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:15:47,911 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:15:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-11-22 23:15:47,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:15:47,931 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:15:47,932 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:15:47,934 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:15:47,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:15:47,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1894488840, now seen corresponding path program 1 times [2018-11-22 23:15:47,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:15:47,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:15:47,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:15:47,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:15:47,972 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:15:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:15:48,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:15:48,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:15:48,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:15:48,059 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:15:48,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:15:48,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:15:48,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:15:48,073 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2018-11-22 23:15:48,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:15:48,095 INFO L93 Difference]: Finished difference Result 139 states and 258 transitions. [2018-11-22 23:15:48,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:15:48,096 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-11-22 23:15:48,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:15:48,101 INFO L225 Difference]: With dead ends: 139 [2018-11-22 23:15:48,101 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:15:48,103 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 [2018-11-22 23:15:48,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:15:48,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:15:48,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:15:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:15:48,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-11-22 23:15:48,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:15:48,121 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:15:48,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:15:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:15:48,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:15:48,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:15:48,150 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:15:48,150 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:15:48,150 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:15:48,150 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:15:48,150 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-22 23:15:48,151 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:15:48,151 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:15:48,151 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 18 361) no Hoare annotation was computed. [2018-11-22 23:15:48,151 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 194) no Hoare annotation was computed. [2018-11-22 23:15:48,151 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 100) no Hoare annotation was computed. [2018-11-22 23:15:48,151 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 62) no Hoare annotation was computed. [2018-11-22 23:15:48,151 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 236) no Hoare annotation was computed. [2018-11-22 23:15:48,151 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 84) no Hoare annotation was computed. [2018-11-22 23:15:48,151 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 166) no Hoare annotation was computed. [2018-11-22 23:15:48,151 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 130) no Hoare annotation was computed. [2018-11-22 23:15:48,151 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 179) no Hoare annotation was computed. [2018-11-22 23:15:48,152 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 353) no Hoare annotation was computed. [2018-11-22 23:15:48,152 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 114) no Hoare annotation was computed. [2018-11-22 23:15:48,152 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 360) no Hoare annotation was computed. [2018-11-22 23:15:48,152 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 221) no Hoare annotation was computed. [2018-11-22 23:15:48,152 INFO L448 ceAbstractionStarter]: For program point L87(lines 87 98) no Hoare annotation was computed. [2018-11-22 23:15:48,152 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 18 361) no Hoare annotation was computed. [2018-11-22 23:15:48,152 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 205) no Hoare annotation was computed. [2018-11-22 23:15:48,152 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 151) no Hoare annotation was computed. [2018-11-22 23:15:48,152 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 82) no Hoare annotation was computed. [2018-11-22 23:15:48,153 INFO L451 ceAbstractionStarter]: At program point L352(lines 26 356) the Hoare annotation is: true [2018-11-22 23:15:48,153 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 164) no Hoare annotation was computed. [2018-11-22 23:15:48,153 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 350) no Hoare annotation was computed. [2018-11-22 23:15:48,153 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 190) no Hoare annotation was computed. [2018-11-22 23:15:48,153 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 58) no Hoare annotation was computed. [2018-11-22 23:15:48,153 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 149) no Hoare annotation was computed. [2018-11-22 23:15:48,153 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 335) no Hoare annotation was computed. [2018-11-22 23:15:48,153 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 125) no Hoare annotation was computed. [2018-11-22 23:15:48,153 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 348) no Hoare annotation was computed. [2018-11-22 23:15:48,153 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 320) no Hoare annotation was computed. [2018-11-22 23:15:48,154 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 175) no Hoare annotation was computed. [2018-11-22 23:15:48,154 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 109) no Hoare annotation was computed. [2018-11-22 23:15:48,154 INFO L448 ceAbstractionStarter]: For program point L289(lines 289 304) no Hoare annotation was computed. [2018-11-22 23:15:48,154 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 93) no Hoare annotation was computed. [2018-11-22 23:15:48,154 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 77) no Hoare annotation was computed. [2018-11-22 23:15:48,154 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 333) no Hoare annotation was computed. [2018-11-22 23:15:48,154 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 160) no Hoare annotation was computed. [2018-11-22 23:15:48,154 INFO L451 ceAbstractionStarter]: At program point L26-2(lines 26 356) the Hoare annotation is: true [2018-11-22 23:15:48,154 INFO L448 ceAbstractionStarter]: For program point L26-3(lines 26 356) no Hoare annotation was computed. [2018-11-22 23:15:48,154 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2018-11-22 23:15:48,154 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 288) no Hoare annotation was computed. [2018-11-22 23:15:48,155 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 302) no Hoare annotation was computed. [2018-11-22 23:15:48,155 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 145) no Hoare annotation was computed. [2018-11-22 23:15:48,155 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 273) no Hoare annotation was computed. [2018-11-22 23:15:48,155 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 344) no Hoare annotation was computed. [2018-11-22 23:15:48,155 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 286) no Hoare annotation was computed. [2018-11-22 23:15:48,155 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 258) no Hoare annotation was computed. [2018-11-22 23:15:48,155 INFO L444 ceAbstractionStarter]: At program point L343(lines 18 361) the Hoare annotation is: false [2018-11-22 23:15:48,155 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 329) no Hoare annotation was computed. [2018-11-22 23:15:48,155 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 271) no Hoare annotation was computed. [2018-11-22 23:15:48,155 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 242) no Hoare annotation was computed. [2018-11-22 23:15:48,156 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 18 361) the Hoare annotation is: true [2018-11-22 23:15:48,156 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 313) no Hoare annotation was computed. [2018-11-22 23:15:48,156 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 256) no Hoare annotation was computed. [2018-11-22 23:15:48,156 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 297) no Hoare annotation was computed. [2018-11-22 23:15:48,156 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 227) no Hoare annotation was computed. [2018-11-22 23:15:48,156 INFO L448 ceAbstractionStarter]: For program point L230(lines 230 240) no Hoare annotation was computed. [2018-11-22 23:15:48,157 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 212) no Hoare annotation was computed. [2018-11-22 23:15:48,157 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 282) no Hoare annotation was computed. [2018-11-22 23:15:48,157 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 67) no Hoare annotation was computed. [2018-11-22 23:15:48,157 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 225) no Hoare annotation was computed. [2018-11-22 23:15:48,157 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 196) no Hoare annotation was computed. [2018-11-22 23:15:48,157 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 64) no Hoare annotation was computed. [2018-11-22 23:15:48,157 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 267) no Hoare annotation was computed. [2018-11-22 23:15:48,157 INFO L448 ceAbstractionStarter]: For program point L199(lines 199 210) no Hoare annotation was computed. [2018-11-22 23:15:48,157 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 251) no Hoare annotation was computed. [2018-11-22 23:15:48,157 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 132) no Hoare annotation was computed. [2018-11-22 23:15:48,158 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 181) no Hoare annotation was computed. [2018-11-22 23:15:48,158 INFO L448 ceAbstractionStarter]: For program point L101(lines 101 116) no Hoare annotation was computed. [2018-11-22 23:15:48,158 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 135) no Hoare annotation was computed. [2018-11-22 23:15:48,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:15:48 BoogieIcfgContainer [2018-11-22 23:15:48,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:15:48,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:15:48,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:15:48,164 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:15:48,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:47" (3/4) ... [2018-11-22 23:15:48,166 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:15:48,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:15:48,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:15:48,175 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 23:15:48,175 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 23:15:48,201 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aca1e4e0-f3ca-4543-96ce-9a27f032c58f/bin-2019/utaipan/witness.graphml [2018-11-22 23:15:48,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:15:48,201 INFO L168 Benchmark]: Toolchain (without parser) took 1033.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 960.8 MB in the beginning and 1.1 GB in the end (delta: -107.2 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:15:48,202 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:15:48,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.32 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 944.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:15:48,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:15:48,204 INFO L168 Benchmark]: Boogie Preprocessor took 31.03 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. [2018-11-22 23:15:48,204 INFO L168 Benchmark]: RCFGBuilder took 360.73 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:15:48,204 INFO L168 Benchmark]: TraceAbstraction took 301.81 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:15:48,205 INFO L168 Benchmark]: Witness Printer took 37.57 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. [2018-11-22 23:15:48,207 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 237.32 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 944.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.03 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 360.73 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 301.81 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 37.57 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: 360]: 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: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 99 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=75occurred 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: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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 correct! Received shutdown request...