./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/heavy_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/heavy_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63303d7ef35f153a8bd897bdcb496a54fed422c9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:28:29,389 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:28:29,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:28:29,397 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:28:29,397 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:28:29,398 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:28:29,398 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:28:29,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:28:29,401 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:28:29,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:28:29,402 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:28:29,402 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:28:29,403 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:28:29,403 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:28:29,404 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:28:29,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:28:29,405 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:28:29,406 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:28:29,407 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:28:29,407 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:28:29,409 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:28:29,410 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:28:29,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:28:29,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:28:29,412 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:28:29,412 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:28:29,413 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:28:29,413 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:28:29,414 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:28:29,415 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:28:29,415 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:28:29,416 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:28:29,416 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:28:29,416 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:28:29,417 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:28:29,417 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:28:29,417 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 10:28:29,424 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:28:29,424 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:28:29,424 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:28:29,424 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:28:29,425 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:28:29,425 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:28:29,425 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:28:29,425 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:28:29,425 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:28:29,425 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:28:29,425 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:28:29,426 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:28:29,426 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:28:29,426 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:28:29,426 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:28:29,426 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:28:29,426 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:28:29,426 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:28:29,426 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:28:29,426 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:28:29,427 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:28:29,427 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:28:29,427 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:28:29,427 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:28:29,427 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:28:29,427 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:28:29,427 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:28:29,427 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:28:29,427 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:28:29,428 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:28:29,428 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer 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 -> Automizer 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 -> 63303d7ef35f153a8bd897bdcb496a54fed422c9 [2018-11-18 10:28:29,451 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:28:29,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:28:29,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:28:29,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:28:29,462 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:28:29,463 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/../../sv-benchmarks/c/loops/heavy_true-unreach-call.c [2018-11-18 10:28:29,498 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/data/1c03bc0f7/f2dd8979dae3438eabcc8903c156d7e5/FLAGa4198e4b7 [2018-11-18 10:28:29,904 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:28:29,904 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/sv-benchmarks/c/loops/heavy_true-unreach-call.c [2018-11-18 10:28:29,909 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/data/1c03bc0f7/f2dd8979dae3438eabcc8903c156d7e5/FLAGa4198e4b7 [2018-11-18 10:28:29,921 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/data/1c03bc0f7/f2dd8979dae3438eabcc8903c156d7e5 [2018-11-18 10:28:29,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:28:29,925 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:28:29,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:28:29,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:28:29,929 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:28:29,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:28:29" (1/1) ... [2018-11-18 10:28:29,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468c2198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:29, skipping insertion in model container [2018-11-18 10:28:29,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:28:29" (1/1) ... [2018-11-18 10:28:29,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:28:29,956 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:28:30,061 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:28:30,081 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:28:30,092 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:28:30,125 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:28:30,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:30 WrapperNode [2018-11-18 10:28:30,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:28:30,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:28:30,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:28:30,126 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:28:30,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:30" (1/1) ... [2018-11-18 10:28:30,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:30" (1/1) ... [2018-11-18 10:28:30,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:30" (1/1) ... [2018-11-18 10:28:30,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:30" (1/1) ... [2018-11-18 10:28:30,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:30" (1/1) ... [2018-11-18 10:28:30,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:30" (1/1) ... [2018-11-18 10:28:30,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:30" (1/1) ... [2018-11-18 10:28:30,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:28:30,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:28:30,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:28:30,152 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:28:30,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:28:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:28:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:28:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:28:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 10:28:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:28:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:28:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:28:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:28:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:28:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 10:28:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:28:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:28:30,348 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:28:30,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:30 BoogieIcfgContainer [2018-11-18 10:28:30,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:28:30,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:28:30,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:28:30,351 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:28:30,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:28:29" (1/3) ... [2018-11-18 10:28:30,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153d973c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:28:30, skipping insertion in model container [2018-11-18 10:28:30,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:28:30" (2/3) ... [2018-11-18 10:28:30,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153d973c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:28:30, skipping insertion in model container [2018-11-18 10:28:30,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:30" (3/3) ... [2018-11-18 10:28:30,353 INFO L112 eAbstractionObserver]: Analyzing ICFG heavy_true-unreach-call.c [2018-11-18 10:28:30,358 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:28:30,363 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:28:30,374 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:28:30,392 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:28:30,393 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:28:30,393 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:28:30,393 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:28:30,393 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:28:30,393 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:28:30,393 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:28:30,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:28:30,394 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:28:30,408 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-18 10:28:30,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 10:28:30,413 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:28:30,413 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:28:30,414 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:28:30,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:30,418 INFO L82 PathProgramCache]: Analyzing trace with hash -795757055, now seen corresponding path program 1 times [2018-11-18 10:28:30,420 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:28:30,420 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:28:30,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:30,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:30,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:30,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:28:30,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:28:30,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:28:30,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:28:30,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:28:30,515 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-11-18 10:28:30,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:28:30,527 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2018-11-18 10:28:30,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:28:30,528 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-18 10:28:30,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:28:30,534 INFO L225 Difference]: With dead ends: 38 [2018-11-18 10:28:30,534 INFO L226 Difference]: Without dead ends: 18 [2018-11-18 10:28:30,537 INFO L604 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 [2018-11-18 10:28:30,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-18 10:28:30,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-18 10:28:30,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 10:28:30,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-11-18 10:28:30,559 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 9 [2018-11-18 10:28:30,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:28:30,559 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-11-18 10:28:30,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:28:30,559 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-18 10:28:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 10:28:30,559 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:28:30,560 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:28:30,560 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:28:30,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:30,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1100257748, now seen corresponding path program 1 times [2018-11-18 10:28:30,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:28:30,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:28:30,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:30,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:30,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:30,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:28:30,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:28:30,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:28:30,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:28:30,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:28:30,607 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 3 states. [2018-11-18 10:28:30,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:28:30,633 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2018-11-18 10:28:30,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:28:30,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-18 10:28:30,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:28:30,635 INFO L225 Difference]: With dead ends: 30 [2018-11-18 10:28:30,635 INFO L226 Difference]: Without dead ends: 27 [2018-11-18 10:28:30,636 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:28:30,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-18 10:28:30,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2018-11-18 10:28:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-18 10:28:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-11-18 10:28:30,639 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 10 [2018-11-18 10:28:30,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:28:30,639 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-18 10:28:30,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:28:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-18 10:28:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 10:28:30,639 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:28:30,639 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:28:30,640 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:28:30,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:30,640 INFO L82 PathProgramCache]: Analyzing trace with hash -2045733446, now seen corresponding path program 1 times [2018-11-18 10:28:30,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:28:30,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:28:30,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:30,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:30,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:30,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:30,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:28:30,712 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:28:30,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:30,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:28:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:28:30,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:28:30,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2018-11-18 10:28:30,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:28:30,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:28:30,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:28:30,783 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 5 states. [2018-11-18 10:28:30,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:28:30,847 INFO L93 Difference]: Finished difference Result 66 states and 81 transitions. [2018-11-18 10:28:30,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:28:30,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-18 10:28:30,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:28:30,848 INFO L225 Difference]: With dead ends: 66 [2018-11-18 10:28:30,848 INFO L226 Difference]: Without dead ends: 54 [2018-11-18 10:28:30,848 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:28:30,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-18 10:28:30,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 33. [2018-11-18 10:28:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 10:28:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2018-11-18 10:28:30,852 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 15 [2018-11-18 10:28:30,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:28:30,852 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2018-11-18 10:28:30,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:28:30,852 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2018-11-18 10:28:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:28:30,853 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:28:30,853 INFO L375 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:28:30,853 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:28:30,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:30,853 INFO L82 PathProgramCache]: Analyzing trace with hash -300314320, now seen corresponding path program 1 times [2018-11-18 10:28:30,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:28:30,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:28:30,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:30,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:30,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:28:30,897 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:28:30,897 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:28:30,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:30,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:28:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:28:30,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:28:30,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2018-11-18 10:28:30,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:28:30,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:28:30,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:28:30,966 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 6 states. [2018-11-18 10:28:31,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:28:31,087 INFO L93 Difference]: Finished difference Result 94 states and 114 transitions. [2018-11-18 10:28:31,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 10:28:31,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-11-18 10:28:31,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:28:31,088 INFO L225 Difference]: With dead ends: 94 [2018-11-18 10:28:31,088 INFO L226 Difference]: Without dead ends: 71 [2018-11-18 10:28:31,088 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2018-11-18 10:28:31,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-11-18 10:28:31,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 53. [2018-11-18 10:28:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-18 10:28:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2018-11-18 10:28:31,095 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 30 [2018-11-18 10:28:31,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:28:31,095 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2018-11-18 10:28:31,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:28:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2018-11-18 10:28:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 10:28:31,097 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:28:31,097 INFO L375 BasicCegarLoop]: trace histogram [8, 6, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:28:31,097 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:28:31,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:31,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1316594732, now seen corresponding path program 1 times [2018-11-18 10:28:31,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:28:31,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:28:31,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:31,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:31,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 10:28:31,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:28:31,239 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:28:31,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:31,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:28:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 10:28:31,373 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:28:31,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2018-11-18 10:28:31,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:28:31,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:28:31,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:28:31,374 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 7 states. [2018-11-18 10:28:31,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:28:31,440 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2018-11-18 10:28:31,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:28:31,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 10:28:31,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:28:31,442 INFO L225 Difference]: With dead ends: 107 [2018-11-18 10:28:31,442 INFO L226 Difference]: Without dead ends: 69 [2018-11-18 10:28:31,442 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:28:31,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-11-18 10:28:31,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-11-18 10:28:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 10:28:31,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2018-11-18 10:28:31,450 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 52 [2018-11-18 10:28:31,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:28:31,450 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2018-11-18 10:28:31,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:28:31,450 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2018-11-18 10:28:31,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 10:28:31,452 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:28:31,452 INFO L375 BasicCegarLoop]: trace histogram [12, 8, 8, 6, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:28:31,452 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:28:31,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:28:31,452 INFO L82 PathProgramCache]: Analyzing trace with hash -794101228, now seen corresponding path program 2 times [2018-11-18 10:28:31,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:28:31,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:28:31,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:31,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:28:31,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:28:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:28:31,916 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-18 10:28:31,917 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:28:31,917 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:28:31,927 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-18 10:28:31,949 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-11-18 10:28:31,949 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 10:28:31,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:28:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-18 10:28:32,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:28:32,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2018-11-18 10:28:32,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:28:32,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:28:32,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:28:32,014 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 6 states. [2018-11-18 10:28:32,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:28:32,106 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2018-11-18 10:28:32,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:28:32,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2018-11-18 10:28:32,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:28:32,107 INFO L225 Difference]: With dead ends: 118 [2018-11-18 10:28:32,107 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:28:32,108 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:28:32,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:28:32,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:28:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:28:32,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:28:32,109 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2018-11-18 10:28:32,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:28:32,109 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:28:32,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:28:32,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:28:32,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:28:32,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:28:32,159 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:28:32,160 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:28:32,160 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:28:32,160 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:28:32,160 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 10:28:32,160 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:28:32,160 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:28:32,160 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 5 21) no Hoare annotation was computed. [2018-11-18 10:28:32,160 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 5 21) no Hoare annotation was computed. [2018-11-18 10:28:32,161 INFO L425 ceAbstractionStarter]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2018-11-18 10:28:32,161 INFO L425 ceAbstractionStarter]: For program point L11-3(lines 11 13) no Hoare annotation was computed. [2018-11-18 10:28:32,161 INFO L421 ceAbstractionStarter]: At program point L11-4(lines 11 13) the Hoare annotation is: (= main_~a~0 1) [2018-11-18 10:28:32,161 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 5 21) the Hoare annotation is: true [2018-11-18 10:28:32,161 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-11-18 10:28:32,161 INFO L421 ceAbstractionStarter]: At program point L16(lines 6 21) the Hoare annotation is: false [2018-11-18 10:28:32,161 INFO L425 ceAbstractionStarter]: For program point L12-1(lines 12 13) no Hoare annotation was computed. [2018-11-18 10:28:32,161 INFO L425 ceAbstractionStarter]: For program point L10-1(lines 10 13) no Hoare annotation was computed. [2018-11-18 10:28:32,161 INFO L425 ceAbstractionStarter]: For program point L12-3(lines 12 13) no Hoare annotation was computed. [2018-11-18 10:28:32,162 INFO L421 ceAbstractionStarter]: At program point L12-4(lines 12 13) the Hoare annotation is: (= main_~a~0 1) [2018-11-18 10:28:32,162 INFO L425 ceAbstractionStarter]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2018-11-18 10:28:32,162 INFO L421 ceAbstractionStarter]: At program point L10-4(lines 10 13) the Hoare annotation is: (= main_~a~0 1) [2018-11-18 10:28:32,165 INFO L425 ceAbstractionStarter]: For program point L10-5(lines 6 21) no Hoare annotation was computed. [2018-11-18 10:28:32,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:28:32 BoogieIcfgContainer [2018-11-18 10:28:32,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:28:32,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:28:32,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:28:32,176 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:28:32,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:28:30" (3/4) ... [2018-11-18 10:28:32,180 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:28:32,185 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:28:32,186 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:28:32,189 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-18 10:28:32,189 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 10:28:32,189 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:28:32,190 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 10:28:32,217 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_07edc7bd-62a9-4f8c-a953-0a849e138042/bin-2019/uautomizer/witness.graphml [2018-11-18 10:28:32,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:28:32,217 INFO L168 Benchmark]: Toolchain (without parser) took 2293.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:32,218 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:28:32,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.95 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 913.4 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:32,219 INFO L168 Benchmark]: Boogie Preprocessor took 25.37 ms. Allocated memory is still 1.0 GB. Free memory was 913.4 MB in the beginning and 910.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:32,219 INFO L168 Benchmark]: RCFGBuilder took 196.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 910.7 MB in the beginning and 1.1 GB in the end (delta: -204.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:32,219 INFO L168 Benchmark]: TraceAbstraction took 1826.92 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:32,220 INFO L168 Benchmark]: Witness Printer took 40.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:28:32,221 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.95 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 913.4 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.37 ms. Allocated memory is still 1.0 GB. Free memory was 913.4 MB in the beginning and 910.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 196.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 910.7 MB in the beginning and 1.1 GB in the end (delta: -204.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1826.92 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: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Witness Printer took 40.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: 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: 10]: Loop Invariant Derived loop invariant: a == 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: a == 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: a == 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 6 OverallIterations, 12 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 110 SDtfs, 162 SDslu, 190 SDs, 0 SdLazy, 116 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=5, 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, 6 MinimizatonAttempts, 50 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 48 NumberOfFragments, 14 HoareAnnotationTreeSize, 8 FomulaSimplifications, 796 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 341 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 42343 SizeOfPredicates, 7 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 539/664 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...