./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label53_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label53_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/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 bab2da56573ef206e3542dbf4ea35e0da738901e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:59:30,432 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:59:30,434 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:59:30,443 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:59:30,445 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:59:30,446 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:59:30,446 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:59:30,448 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:59:30,449 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:59:30,450 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:59:30,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:59:30,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:59:30,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:59:30,456 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:59:30,457 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:59:30,458 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:59:30,458 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:59:30,460 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:59:30,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:59:30,463 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:59:30,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:59:30,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:59:30,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:59:30,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:59:30,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:59:30,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:59:30,469 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:59:30,470 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:59:30,471 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:59:30,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:59:30,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:59:30,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:59:30,473 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:59:30,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:59:30,474 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:59:30,475 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:59:30,475 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 08:59:30,487 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:59:30,487 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:59:30,488 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:59:30,488 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:59:30,489 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:59:30,489 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:59:30,489 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:59:30,490 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:59:30,490 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:59:30,490 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:59:30,490 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:59:30,490 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:59:30,490 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:59:30,490 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:59:30,491 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:59:30,491 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:59:30,491 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:59:30,491 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:59:30,491 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:59:30,491 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:59:30,492 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:59:30,492 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:59:30,492 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:59:30,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:59:30,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:59:30,494 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:59:30,494 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:59:30,494 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:59:30,494 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:59:30,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:59:30,495 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_0c00289a-444a-456f-b8a9-dadf19eed99b/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 -> bab2da56573ef206e3542dbf4ea35e0da738901e [2018-11-18 08:59:30,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:59:30,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:59:30,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:59:30,545 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:59:30,545 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:59:30,546 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label53_true-unreach-call_false-termination.c [2018-11-18 08:59:30,634 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/data/1fa21658b/90aa2fdd4f8146b38ded22d51438e230/FLAG133ce78dc [2018-11-18 08:59:31,058 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:59:31,059 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/sv-benchmarks/c/eca-rers2012/Problem01_label53_true-unreach-call_false-termination.c [2018-11-18 08:59:31,080 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/data/1fa21658b/90aa2fdd4f8146b38ded22d51438e230/FLAG133ce78dc [2018-11-18 08:59:31,629 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/data/1fa21658b/90aa2fdd4f8146b38ded22d51438e230 [2018-11-18 08:59:31,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:59:31,633 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:59:31,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:59:31,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:59:31,638 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:59:31,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:31" (1/1) ... [2018-11-18 08:59:31,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fabe2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:31, skipping insertion in model container [2018-11-18 08:59:31,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:59:31" (1/1) ... [2018-11-18 08:59:31,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:59:31,714 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:59:32,104 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:59:32,108 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:59:32,189 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:59:32,203 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:59:32,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:32 WrapperNode [2018-11-18 08:59:32,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:59:32,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:59:32,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:59:32,205 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:59:32,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:32" (1/1) ... [2018-11-18 08:59:32,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:32" (1/1) ... [2018-11-18 08:59:32,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:32" (1/1) ... [2018-11-18 08:59:32,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:32" (1/1) ... [2018-11-18 08:59:32,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:32" (1/1) ... [2018-11-18 08:59:32,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:32" (1/1) ... [2018-11-18 08:59:32,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:32" (1/1) ... [2018-11-18 08:59:32,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:59:32,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:59:32,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:59:32,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:59:32,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/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 08:59:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:59:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:59:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 08:59:32,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:59:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 08:59:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:59:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 08:59:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 08:59:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:59:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:59:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:59:34,189 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:59:34,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:34 BoogieIcfgContainer [2018-11-18 08:59:34,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:59:34,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:59:34,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:59:34,194 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:59:34,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:59:31" (1/3) ... [2018-11-18 08:59:34,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae2fcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:59:34, skipping insertion in model container [2018-11-18 08:59:34,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:59:32" (2/3) ... [2018-11-18 08:59:34,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae2fcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:59:34, skipping insertion in model container [2018-11-18 08:59:34,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:34" (3/3) ... [2018-11-18 08:59:34,197 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label53_true-unreach-call_false-termination.c [2018-11-18 08:59:34,207 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:59:34,213 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:59:34,224 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:59:34,253 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:59:34,254 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:59:34,254 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:59:34,254 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:59:34,254 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:59:34,254 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:59:34,254 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:59:34,254 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:59:34,255 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:59:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 08:59:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 08:59:34,284 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:59:34,285 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:34,287 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:59:34,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:34,294 INFO L82 PathProgramCache]: Analyzing trace with hash 311071925, now seen corresponding path program 1 times [2018-11-18 08:59:34,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:34,297 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:34,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:34,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:34,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:34,805 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 08:59:34,876 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 08:59:34,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:59:34,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:59:34,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:59:34,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:59:34,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:59:34,896 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 08:59:35,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:59:35,803 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 08:59:35,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:59:35,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-11-18 08:59:35,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:59:35,819 INFO L225 Difference]: With dead ends: 550 [2018-11-18 08:59:35,819 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 08:59:35,823 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:59:35,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 08:59:35,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 08:59:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 08:59:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-11-18 08:59:35,871 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 121 [2018-11-18 08:59:35,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:59:35,872 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-11-18 08:59:35,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:59:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-11-18 08:59:35,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 08:59:35,877 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:59:35,877 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:35,878 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:59:35,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:35,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1224558518, now seen corresponding path program 1 times [2018-11-18 08:59:35,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:35,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:35,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:35,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:35,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:36,091 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:36,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:59:36,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:59:36,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:59:36,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:59:36,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:59:36,094 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-11-18 08:59:37,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:59:37,247 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-11-18 08:59:37,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:59:37,247 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-11-18 08:59:37,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:59:37,253 INFO L225 Difference]: With dead ends: 888 [2018-11-18 08:59:37,253 INFO L226 Difference]: Without dead ends: 554 [2018-11-18 08:59:37,255 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:59:37,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-18 08:59:37,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-11-18 08:59:37,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-18 08:59:37,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-11-18 08:59:37,280 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 132 [2018-11-18 08:59:37,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:59:37,281 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-11-18 08:59:37,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:59:37,281 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-11-18 08:59:37,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 08:59:37,284 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:59:37,284 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:37,285 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:59:37,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:37,286 INFO L82 PathProgramCache]: Analyzing trace with hash 408720354, now seen corresponding path program 1 times [2018-11-18 08:59:37,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:37,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:37,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:37,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:37,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:37,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:59:37,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:59:37,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 08:59:37,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:59:37,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:59:37,579 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 5 states. [2018-11-18 08:59:38,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:59:38,640 INFO L93 Difference]: Finished difference Result 1210 states and 1896 transitions. [2018-11-18 08:59:38,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:59:38,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-18 08:59:38,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:59:38,643 INFO L225 Difference]: With dead ends: 1210 [2018-11-18 08:59:38,643 INFO L226 Difference]: Without dead ends: 536 [2018-11-18 08:59:38,644 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:59:38,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2018-11-18 08:59:38,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2018-11-18 08:59:38,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-18 08:59:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 787 transitions. [2018-11-18 08:59:38,663 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 787 transitions. Word has length 133 [2018-11-18 08:59:38,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:59:38,663 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 787 transitions. [2018-11-18 08:59:38,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 08:59:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 787 transitions. [2018-11-18 08:59:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 08:59:38,667 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:59:38,667 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:38,667 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:59:38,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:38,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1676803526, now seen corresponding path program 1 times [2018-11-18 08:59:38,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:38,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:38,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:38,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:38,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:39,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:59:39,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:59:39,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 08:59:39,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:59:39,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:59:39,012 INFO L87 Difference]: Start difference. First operand 536 states and 787 transitions. Second operand 5 states. [2018-11-18 08:59:40,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:59:40,606 INFO L93 Difference]: Finished difference Result 1204 states and 1799 transitions. [2018-11-18 08:59:40,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:59:40,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-18 08:59:40,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:59:40,607 INFO L225 Difference]: With dead ends: 1204 [2018-11-18 08:59:40,608 INFO L226 Difference]: Without dead ends: 535 [2018-11-18 08:59:40,609 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:59:40,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2018-11-18 08:59:40,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2018-11-18 08:59:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2018-11-18 08:59:40,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 782 transitions. [2018-11-18 08:59:40,621 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 782 transitions. Word has length 134 [2018-11-18 08:59:40,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:59:40,622 INFO L480 AbstractCegarLoop]: Abstraction has 535 states and 782 transitions. [2018-11-18 08:59:40,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 08:59:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 782 transitions. [2018-11-18 08:59:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 08:59:40,624 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:59:40,625 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:40,625 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:59:40,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:40,626 INFO L82 PathProgramCache]: Analyzing trace with hash 468681710, now seen corresponding path program 1 times [2018-11-18 08:59:40,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:40,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:40,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:40,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:40,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:40,808 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-11-18 08:59:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:40,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:59:40,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:59:40,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:59:40,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:59:40,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:59:40,880 INFO L87 Difference]: Start difference. First operand 535 states and 782 transitions. Second operand 3 states. [2018-11-18 08:59:41,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:59:41,665 INFO L93 Difference]: Finished difference Result 1521 states and 2300 transitions. [2018-11-18 08:59:41,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:59:41,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-11-18 08:59:41,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:59:41,673 INFO L225 Difference]: With dead ends: 1521 [2018-11-18 08:59:41,674 INFO L226 Difference]: Without dead ends: 992 [2018-11-18 08:59:41,676 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:59:41,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2018-11-18 08:59:41,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992. [2018-11-18 08:59:41,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 992 states. [2018-11-18 08:59:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1411 transitions. [2018-11-18 08:59:41,706 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1411 transitions. Word has length 139 [2018-11-18 08:59:41,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:59:41,708 INFO L480 AbstractCegarLoop]: Abstraction has 992 states and 1411 transitions. [2018-11-18 08:59:41,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:59:41,708 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1411 transitions. [2018-11-18 08:59:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 08:59:41,712 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:59:41,712 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:41,712 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:59:41,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:41,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1975800262, now seen corresponding path program 1 times [2018-11-18 08:59:41,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:41,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:41,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:41,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:41,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:41,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:59:41,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:59:41,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:59:41,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:59:41,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:59:41,855 INFO L87 Difference]: Start difference. First operand 992 states and 1411 transitions. Second operand 6 states. [2018-11-18 08:59:42,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:59:42,403 INFO L93 Difference]: Finished difference Result 2947 states and 4374 transitions. [2018-11-18 08:59:42,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:59:42,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-11-18 08:59:42,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:59:42,414 INFO L225 Difference]: With dead ends: 2947 [2018-11-18 08:59:42,414 INFO L226 Difference]: Without dead ends: 1961 [2018-11-18 08:59:42,418 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 08:59:42,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2018-11-18 08:59:42,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1928. [2018-11-18 08:59:42,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1928 states. [2018-11-18 08:59:42,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2554 transitions. [2018-11-18 08:59:42,463 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2554 transitions. Word has length 140 [2018-11-18 08:59:42,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:59:42,464 INFO L480 AbstractCegarLoop]: Abstraction has 1928 states and 2554 transitions. [2018-11-18 08:59:42,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:59:42,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2554 transitions. [2018-11-18 08:59:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 08:59:42,469 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:59:42,469 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:42,469 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:59:42,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:42,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1294574634, now seen corresponding path program 1 times [2018-11-18 08:59:42,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:42,470 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:42,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:42,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:42,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:42,745 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 08:59:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 08:59:42,770 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:59:42,770 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/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 08:59:42,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:42,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:59:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:43,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:59:43,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-18 08:59:43,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 08:59:43,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:59:43,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:59:43,016 INFO L87 Difference]: Start difference. First operand 1928 states and 2554 transitions. Second operand 5 states. [2018-11-18 08:59:44,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:59:44,115 INFO L93 Difference]: Finished difference Result 6478 states and 8907 transitions. [2018-11-18 08:59:44,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:59:44,117 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2018-11-18 08:59:44,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:59:44,132 INFO L225 Difference]: With dead ends: 6478 [2018-11-18 08:59:44,133 INFO L226 Difference]: Without dead ends: 4556 [2018-11-18 08:59:44,142 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 150 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:59:44,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4556 states. [2018-11-18 08:59:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4556 to 4484. [2018-11-18 08:59:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4484 states. [2018-11-18 08:59:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4484 states to 4484 states and 5747 transitions. [2018-11-18 08:59:44,247 INFO L78 Accepts]: Start accepts. Automaton has 4484 states and 5747 transitions. Word has length 148 [2018-11-18 08:59:44,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:59:44,247 INFO L480 AbstractCegarLoop]: Abstraction has 4484 states and 5747 transitions. [2018-11-18 08:59:44,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 08:59:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 4484 states and 5747 transitions. [2018-11-18 08:59:44,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 08:59:44,257 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:59:44,257 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:59:44,258 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:59:44,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:59:44,258 INFO L82 PathProgramCache]: Analyzing trace with hash -18707099, now seen corresponding path program 1 times [2018-11-18 08:59:44,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:59:44,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:59:44,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:44,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:44,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:59:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:44,645 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-18 08:59:44,827 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-18 08:59:45,313 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-11-18 08:59:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:59:45,544 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:59:45,544 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/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 08:59:45,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:59:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:59:45,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:59:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 08:59:45,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:59:45,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2018-11-18 08:59:45,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 08:59:45,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 08:59:45,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-18 08:59:45,796 INFO L87 Difference]: Start difference. First operand 4484 states and 5747 transitions. Second operand 12 states. [2018-11-18 08:59:46,067 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 42 [2018-11-18 08:59:47,514 WARN L180 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2018-11-18 08:59:48,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:59:48,915 INFO L93 Difference]: Finished difference Result 12548 states and 16498 transitions. [2018-11-18 08:59:48,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 08:59:48,915 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 182 [2018-11-18 08:59:48,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:59:48,915 INFO L225 Difference]: With dead ends: 12548 [2018-11-18 08:59:48,915 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:59:48,938 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=250, Invalid=620, Unknown=0, NotChecked=0, Total=870 [2018-11-18 08:59:48,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:59:48,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:59:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:59:48,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:59:48,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 182 [2018-11-18 08:59:48,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:59:48,939 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:59:48,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 08:59:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:59:48,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:59:48,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:59:49,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:59:49,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:59:49,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:59:49,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:59:49,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:59:49,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:59:49,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:59:49,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:59:49,388 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-18 08:59:49,544 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2018-11-18 08:59:50,528 WARN L180 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 54 [2018-11-18 08:59:50,886 WARN L180 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 42 [2018-11-18 08:59:51,126 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 42 [2018-11-18 08:59:51,128 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:59:51,128 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= |old(~a7~0)| ~a7~0) (= ~a8~0 |old(~a8~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-11-18 08:59:51,128 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:59:51,128 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 08:59:51,128 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 08:59:51,129 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 08:59:51,130 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,131 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,132 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,133 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,134 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 08:59:51,135 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 08:59:51,136 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 08:59:51,137 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 08:59:51,138 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 08:59:51,138 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse9 (= |old(~a7~0)| ~a7~0)) (.cse10 (= ~a8~0 |old(~a8~0)|)) (.cse11 (= ~a20~0 |old(~a20~0)|))) (let ((.cse0 (= 6 |old(~a16~0)|)) (.cse1 (and .cse8 .cse9 .cse10 (= |old(~a16~0)| ~a16~0) .cse11)) (.cse6 (= 1 |old(~a17~0)|)) (.cse4 (= 1 |old(~a7~0)|)) (.cse5 (not (= 1 |old(~a20~0)|))) (.cse7 (and .cse8 .cse9 (= ~a16~0 |old(~a16~0)|) .cse10 .cse11)) (.cse2 (= 14 |old(~a8~0)|)) (.cse3 (not (= 8 ~a12~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3 .cse1) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse3 .cse1 (< |old(~a8~0)| 15)) (or .cse5 .cse7 .cse2 .cse3 .cse6) (or (not (= 1 |old(~a21~0)|)) .cse5 (not (= 4 |old(~a16~0)|)) (= 1 ~a21~0) .cse3 (not (= 13 |old(~a8~0)|)) (not .cse6)) (or .cse4 .cse5 .cse7 .cse2 .cse3)))) [2018-11-18 08:59:51,138 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 08:59:51,138 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,138 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,138 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,138 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,138 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 08:59:51,138 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,138 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,138 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,139 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 08:59:51,140 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 08:59:51,141 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 08:59:51,142 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 08:59:51,142 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:59:51,142 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (<= 15 ~a8~0) (not (= ~a16~0 6)) (= ~a12~0 8) (= ~a20~0 1) (not (= ~a16~0 4))) [2018-11-18 08:59:51,142 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:59:51,142 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:59:51,142 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (= 1 |old(~a7~0)|) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (and (= ~a17~0 |old(~a17~0)|) (= |old(~a7~0)| ~a7~0) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 8 ~a12~0)) (< |old(~a8~0)| 15)) [2018-11-18 08:59:51,142 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 08:59:51,142 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse3 (not (= ~a17~0 1))) (.cse2 (not (= ~a7~0 1))) (.cse4 (= ~a20~0 1)) (.cse1 (not (= ~a8~0 14)))) (or (not (= 8 ~a12~0)) (and .cse0 .cse1) (< |old(~a8~0)| 15) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (and .cse2 (<= 15 ~a8~0)) (and .cse0 .cse3) (= 6 |old(~a16~0)|) (and .cse2 .cse0 .cse4) (and .cse4 .cse1 .cse3) (= 4 |old(~a16~0)|) (and .cse2 .cse4 .cse1))) [2018-11-18 08:59:51,142 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 08:59:51,142 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 08:59:51,142 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 08:59:51,143 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse3 (not (= ~a17~0 1))) (.cse2 (not (= ~a7~0 1))) (.cse4 (= ~a20~0 1)) (.cse1 (not (= ~a8~0 14)))) (or (not (= 8 ~a12~0)) (and .cse0 .cse1) (< |old(~a8~0)| 15) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (and .cse2 (<= 15 ~a8~0)) (and .cse0 .cse3) (= 6 |old(~a16~0)|) (and .cse2 .cse0 .cse4) (and .cse4 .cse1 .cse3) (= 4 |old(~a16~0)|) (and .cse2 .cse4 .cse1))) [2018-11-18 08:59:51,143 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 08:59:51,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:59:51 BoogieIcfgContainer [2018-11-18 08:59:51,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:59:51,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:59:51,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:59:51,161 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:59:51,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:59:34" (3/4) ... [2018-11-18 08:59:51,164 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:59:51,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:59:51,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 08:59:51,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:59:51,178 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 08:59:51,179 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 08:59:51,201 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(8 == a12) || (!(a16 == 6) && !(a8 == 14))) || \old(a8) < 15) || 1 == \old(a7)) || !(1 == \old(a20))) || (!(a7 == 1) && 15 <= a8)) || (!(a16 == 6) && !(a17 == 1))) || 6 == \old(a16)) || ((!(a7 == 1) && !(a16 == 6)) && a20 == 1)) || ((a20 == 1 && !(a8 == 14)) && !(a17 == 1))) || 4 == \old(a16)) || ((!(a7 == 1) && a20 == 1) && !(a8 == 14)) [2018-11-18 08:59:51,310 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0c00289a-444a-456f-b8a9-dadf19eed99b/bin-2019/uautomizer/witness.graphml [2018-11-18 08:59:51,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:59:51,311 INFO L168 Benchmark]: Toolchain (without parser) took 19678.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.7 MB). Free memory was 955.8 MB in the beginning and 787.4 MB in the end (delta: 168.4 MB). Peak memory consumption was 497.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:59:51,311 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:59:51,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.03 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 918.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:59:51,312 INFO L168 Benchmark]: Boogie Preprocessor took 112.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 66.1 MB). Free memory was 918.1 MB in the beginning and 1.1 GB in the end (delta: -136.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:59:51,314 INFO L168 Benchmark]: RCFGBuilder took 1871.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 952.8 MB in the end (delta: 102.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:59:51,315 INFO L168 Benchmark]: TraceAbstraction took 16970.04 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 262.7 MB). Free memory was 952.8 MB in the beginning and 809.2 MB in the end (delta: 143.6 MB). Peak memory consumption was 406.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:59:51,315 INFO L168 Benchmark]: Witness Printer took 149.79 ms. Allocated memory is still 1.4 GB. Free memory was 809.2 MB in the beginning and 787.4 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:59:51,316 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 570.03 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 918.1 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 66.1 MB). Free memory was 918.1 MB in the beginning and 1.1 GB in the end (delta: -136.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1871.92 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 952.8 MB in the end (delta: 102.1 MB). Peak memory consumption was 102.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16970.04 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 262.7 MB). Free memory was 952.8 MB in the beginning and 809.2 MB in the end (delta: 143.6 MB). Peak memory consumption was 406.3 MB. Max. memory is 11.5 GB. * Witness Printer took 149.79 ms. Allocated memory is still 1.4 GB. Free memory was 809.2 MB in the beginning and 787.4 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((!(8 == a12) || (!(a16 == 6) && !(a8 == 14))) || \old(a8) < 15) || 1 == \old(a7)) || !(1 == \old(a20))) || (!(a7 == 1) && 15 <= a8)) || (!(a16 == 6) && !(a17 == 1))) || 6 == \old(a16)) || ((!(a7 == 1) && !(a16 == 6)) && a20 == 1)) || ((a20 == 1 && !(a8 == 14)) && !(a17 == 1))) || 4 == \old(a16)) || ((!(a7 == 1) && a20 == 1) && !(a8 == 14)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 16.8s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 10.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 862 SDtfs, 5143 SDslu, 610 SDs, 0 SdLazy, 5553 SolverSat, 1407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 355 SyntacticMatches, 14 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4484occurred in iteration=7, 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: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 120 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 117 PreInvPairs, 225 NumberOfFragments, 449 HoareAnnotationTreeSize, 117 FomulaSimplifications, 3970 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7956 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1459 NumberOfCodeBlocks, 1459 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1449 ConstructedInterpolants, 0 QuantifiedInterpolants, 1478943 SizeOfPredicates, 3 NumberOfNonLiveVariables, 848 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 226/248 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...