./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/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 d0c63ca989dafe8e87fbc74f7a5c90112dbd87ac ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:40:54,278 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:40:54,279 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:40:54,287 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:40:54,287 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:40:54,288 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:40:54,288 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:40:54,289 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:40:54,291 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:40:54,291 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:40:54,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:40:54,292 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:40:54,293 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:40:54,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:40:54,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:40:54,295 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:40:54,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:40:54,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:40:54,298 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:40:54,299 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:40:54,299 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:40:54,300 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:40:54,302 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:40:54,302 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:40:54,302 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:40:54,303 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:40:54,304 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:40:54,304 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:40:54,305 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:40:54,305 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:40:54,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:40:54,306 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:40:54,306 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:40:54,306 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:40:54,307 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:40:54,307 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:40:54,307 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 14:40:54,314 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:40:54,314 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:40:54,315 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:40:54,315 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:40:54,315 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:40:54,316 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:40:54,316 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:40:54,316 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:40:54,316 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:40:54,316 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:40:54,316 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:40:54,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:40:54,316 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:40:54,317 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:40:54,317 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:40:54,317 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:40:54,317 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:40:54,317 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:40:54,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:40:54,317 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:40:54,318 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:40:54,318 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:40:54,318 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:40:54,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:40:54,318 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:40:54,318 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:40:54,318 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:40:54,319 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:40:54,319 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:40:54,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:40:54,319 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_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/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 -> d0c63ca989dafe8e87fbc74f7a5c90112dbd87ac [2018-11-18 14:40:54,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:40:54,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:40:54,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:40:54,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:40:54,355 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:40:54,356 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c [2018-11-18 14:40:54,393 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/data/f652ebd6d/b4bf604786b8480caee262ee3c9d3221/FLAG7f39f5bbd [2018-11-18 14:40:54,834 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:40:54,834 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/sv-benchmarks/c/eca-rers2012/Problem10_label51_true-unreach-call.c [2018-11-18 14:40:54,844 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/data/f652ebd6d/b4bf604786b8480caee262ee3c9d3221/FLAG7f39f5bbd [2018-11-18 14:40:54,856 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/data/f652ebd6d/b4bf604786b8480caee262ee3c9d3221 [2018-11-18 14:40:54,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:40:54,860 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 14:40:54,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:40:54,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:40:54,864 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:40:54,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:40:54" (1/1) ... [2018-11-18 14:40:54,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f427c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:54, skipping insertion in model container [2018-11-18 14:40:54,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:40:54" (1/1) ... [2018-11-18 14:40:54,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:40:54,909 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:40:55,141 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:40:55,145 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:40:55,217 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:40:55,288 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:40:55,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:55 WrapperNode [2018-11-18 14:40:55,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:40:55,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:40:55,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:40:55,289 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:40:55,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:55" (1/1) ... [2018-11-18 14:40:55,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:55" (1/1) ... [2018-11-18 14:40:55,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:55" (1/1) ... [2018-11-18 14:40:55,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:55" (1/1) ... [2018-11-18 14:40:55,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:55" (1/1) ... [2018-11-18 14:40:55,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:55" (1/1) ... [2018-11-18 14:40:55,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:55" (1/1) ... [2018-11-18 14:40:55,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:40:55,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:40:55,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:40:55,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:40:55,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/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 14:40:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:40:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:40:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:40:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:40:55,397 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:40:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 14:40:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 14:40:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:40:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:40:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:40:55,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:40:56,295 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:40:56,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:40:56 BoogieIcfgContainer [2018-11-18 14:40:56,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:40:56,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:40:56,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:40:56,302 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:40:56,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:40:54" (1/3) ... [2018-11-18 14:40:56,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c4738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:40:56, skipping insertion in model container [2018-11-18 14:40:56,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:40:55" (2/3) ... [2018-11-18 14:40:56,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c4738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:40:56, skipping insertion in model container [2018-11-18 14:40:56,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:40:56" (3/3) ... [2018-11-18 14:40:56,305 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label51_true-unreach-call.c [2018-11-18 14:40:56,314 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:40:56,321 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:40:56,334 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:40:56,360 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:40:56,361 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:40:56,361 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:40:56,361 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:40:56,361 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:40:56,361 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:40:56,361 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:40:56,361 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:40:56,361 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:40:56,380 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 14:40:56,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 14:40:56,386 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:40:56,386 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] [2018-11-18 14:40:56,389 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:40:56,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:40:56,394 INFO L82 PathProgramCache]: Analyzing trace with hash 748185177, now seen corresponding path program 1 times [2018-11-18 14:40:56,395 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:40:56,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:40:56,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:40:56,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:40:56,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:40:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:40:56,624 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 14:40:56,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:40:56,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:40:56,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:40:56,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:40:56,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:40:56,639 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2018-11-18 14:40:57,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:40:57,469 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2018-11-18 14:40:57,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:40:57,470 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2018-11-18 14:40:57,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:40:57,484 INFO L225 Difference]: With dead ends: 737 [2018-11-18 14:40:57,484 INFO L226 Difference]: Without dead ends: 515 [2018-11-18 14:40:57,489 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:40:57,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-11-18 14:40:57,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 356. [2018-11-18 14:40:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 14:40:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 613 transitions. [2018-11-18 14:40:57,543 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 613 transitions. Word has length 57 [2018-11-18 14:40:57,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:40:57,544 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 613 transitions. [2018-11-18 14:40:57,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:40:57,544 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 613 transitions. [2018-11-18 14:40:57,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 14:40:57,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:40:57,549 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, 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] [2018-11-18 14:40:57,551 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:40:57,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:40:57,551 INFO L82 PathProgramCache]: Analyzing trace with hash 2000174539, now seen corresponding path program 1 times [2018-11-18 14:40:57,552 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:40:57,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:40:57,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:40:57,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:40:57,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:40:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:40:57,697 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:40:57,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:40:57,697 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/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 14:40:57,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:40:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:40:57,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:40:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:40:57,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:40:57,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2018-11-18 14:40:57,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:40:57,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:40:57,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:40:57,826 INFO L87 Difference]: Start difference. First operand 356 states and 613 transitions. Second operand 5 states. [2018-11-18 14:40:58,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:40:58,656 INFO L93 Difference]: Finished difference Result 1606 states and 3047 transitions. [2018-11-18 14:40:58,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 14:40:58,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-11-18 14:40:58,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:40:58,663 INFO L225 Difference]: With dead ends: 1606 [2018-11-18 14:40:58,664 INFO L226 Difference]: Without dead ends: 1256 [2018-11-18 14:40:58,667 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:40:58,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states. [2018-11-18 14:40:58,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1228. [2018-11-18 14:40:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1228 states. [2018-11-18 14:40:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 2092 transitions. [2018-11-18 14:40:58,713 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 2092 transitions. Word has length 128 [2018-11-18 14:40:58,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:40:58,714 INFO L480 AbstractCegarLoop]: Abstraction has 1228 states and 2092 transitions. [2018-11-18 14:40:58,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:40:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 2092 transitions. [2018-11-18 14:40:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 14:40:58,720 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:40:58,721 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:40:58,721 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:40:58,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:40:58,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1214862112, now seen corresponding path program 1 times [2018-11-18 14:40:58,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:40:58,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:40:58,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:40:58,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:40:58,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:40:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:40:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:40:58,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:40:58,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:40:58,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:40:58,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:40:58,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:40:58,890 INFO L87 Difference]: Start difference. First operand 1228 states and 2092 transitions. Second operand 6 states. [2018-11-18 14:40:59,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:40:59,883 INFO L93 Difference]: Finished difference Result 3282 states and 5686 transitions. [2018-11-18 14:40:59,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:40:59,884 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2018-11-18 14:40:59,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:40:59,894 INFO L225 Difference]: With dead ends: 3282 [2018-11-18 14:40:59,894 INFO L226 Difference]: Without dead ends: 2060 [2018-11-18 14:40:59,902 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 14:40:59,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2018-11-18 14:40:59,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 2034. [2018-11-18 14:40:59,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2034 states. [2018-11-18 14:40:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 3028 transitions. [2018-11-18 14:40:59,954 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 3028 transitions. Word has length 199 [2018-11-18 14:40:59,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:40:59,954 INFO L480 AbstractCegarLoop]: Abstraction has 2034 states and 3028 transitions. [2018-11-18 14:40:59,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:40:59,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 3028 transitions. [2018-11-18 14:40:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 14:40:59,963 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:40:59,963 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:40:59,963 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:40:59,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:40:59,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1527199605, now seen corresponding path program 1 times [2018-11-18 14:40:59,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:40:59,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:40:59,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:40:59,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:40:59,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:40:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:41:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 6 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 14:41:00,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:41:00,156 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/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 14:41:00,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:41:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:41:00,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:41:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 178 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:41:00,317 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:41:00,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-18 14:41:00,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 14:41:00,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 14:41:00,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:41:00,319 INFO L87 Difference]: Start difference. First operand 2034 states and 3028 transitions. Second operand 11 states. [2018-11-18 14:41:02,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:41:02,395 INFO L93 Difference]: Finished difference Result 6843 states and 11154 transitions. [2018-11-18 14:41:02,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 14:41:02,395 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 279 [2018-11-18 14:41:02,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:41:02,407 INFO L225 Difference]: With dead ends: 6843 [2018-11-18 14:41:02,407 INFO L226 Difference]: Without dead ends: 2874 [2018-11-18 14:41:02,431 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 293 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2018-11-18 14:41:02,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2018-11-18 14:41:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2383. [2018-11-18 14:41:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2383 states. [2018-11-18 14:41:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 2994 transitions. [2018-11-18 14:41:02,497 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 2994 transitions. Word has length 279 [2018-11-18 14:41:02,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:41:02,498 INFO L480 AbstractCegarLoop]: Abstraction has 2383 states and 2994 transitions. [2018-11-18 14:41:02,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 14:41:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2994 transitions. [2018-11-18 14:41:02,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 14:41:02,505 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:41:02,505 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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] [2018-11-18 14:41:02,506 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:41:02,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:41:02,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1001610861, now seen corresponding path program 1 times [2018-11-18 14:41:02,506 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:41:02,506 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:41:02,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:02,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:41:02,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:41:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:41:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 14:41:02,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:41:02,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:41:02,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:41:02,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:41:02,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:41:02,652 INFO L87 Difference]: Start difference. First operand 2383 states and 2994 transitions. Second operand 4 states. [2018-11-18 14:41:03,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:41:03,120 INFO L93 Difference]: Finished difference Result 5191 states and 6633 transitions. [2018-11-18 14:41:03,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:41:03,122 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 315 [2018-11-18 14:41:03,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:41:03,122 INFO L225 Difference]: With dead ends: 5191 [2018-11-18 14:41:03,122 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:41:03,127 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:41:03,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:41:03,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:41:03,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:41:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:41:03,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 315 [2018-11-18 14:41:03,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:41:03,128 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:41:03,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:41:03,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:41:03,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:41:03,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:41:03,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:41:03,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:41:03,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:41:03,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:41:03,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:41:03,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:41:03,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:41:03,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:41:03,416 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2018-11-18 14:41:03,527 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 40 [2018-11-18 14:41:03,639 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 40 [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0)) [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 14:41:03,641 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 14:41:03,642 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 14:41:03,642 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 14:41:03,642 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 14:41:03,642 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 14:41:03,642 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 14:41:03,642 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 14:41:03,644 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 14:41:03,644 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,644 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,644 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,644 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,644 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,644 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 14:41:03,644 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 14:41:03,644 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,645 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 14:41:03,646 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 14:41:03,647 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,648 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,649 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 14:41:03,650 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,651 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 154) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 14:41:03,652 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 14:41:03,653 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 14:41:03,654 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 14:41:03,654 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 14:41:03,654 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 14:41:03,654 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 14:41:03,654 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 14:41:03,654 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 14:41:03,654 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 14:41:03,654 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 14:41:03,654 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (= |old(~a19~0)| ~a19~0)) (.cse2 (= |old(~a10~0)| ~a10~0))) (let ((.cse0 (and .cse1 .cse2))) (and (or .cse0 (= 8 |old(~a19~0)|)) (or (and .cse1 (< 0 (+ ~a1~0 13)) .cse2) (<= (+ |old(~a1~0)| 13) 0)) (or .cse0 (< 2 |old(~a10~0)|) (= 1 |old(~a10~0)|)) (or .cse0 (not (= 4 |old(~a10~0)|)))))) [2018-11-18 14:41:03,654 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 14:41:03,655 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,656 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 14:41:03,657 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 14:41:03,658 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 14:41:03,659 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:41:03,660 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (not (= ~a19~0 8)) (<= ~a10~0 2) (not (= ~a10~0 1))) [2018-11-18 14:41:03,660 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:41:03,660 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:41:03,660 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (< 2 |old(~a10~0)|) (and (<= 23 ~a1~0) (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0)) (= 8 |old(~a19~0)|) (= 1 |old(~a10~0)|)) [2018-11-18 14:41:03,660 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 14:41:03,660 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (not (= ~a19~0 8))) (.cse1 (<= 9 |old(~a19~0)|)) (.cse0 (< 0 (+ ~a1~0 13))) (.cse3 (<= ~a10~0 2)) (.cse4 (not (= ~a10~0 1)))) (or (and .cse0 .cse1) (< |old(~a1~0)| 23) (and .cse2 .cse3 .cse1) (= 1 |old(~a10~0)|) (and (= 4 ~a10~0) (and (<= ~a19~0 8) .cse1)) (and .cse3 .cse1 .cse4) (and .cse2 .cse1 (<= ~a19~0 |old(~a19~0)|)) (< 2 |old(~a10~0)|) (= 8 |old(~a19~0)|) (and (= |old(~a19~0)| ~a19~0) .cse0 .cse3 .cse4))) [2018-11-18 14:41:03,660 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 14:41:03,660 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 14:41:03,660 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 14:41:03,661 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse2 (not (= ~a19~0 8))) (.cse1 (<= 9 |old(~a19~0)|)) (.cse0 (< 0 (+ ~a1~0 13))) (.cse3 (<= ~a10~0 2)) (.cse4 (not (= ~a10~0 1)))) (or (and .cse0 .cse1) (< |old(~a1~0)| 23) (and .cse2 .cse3 .cse1) (= 1 |old(~a10~0)|) (and (= 4 ~a10~0) (and (<= ~a19~0 8) .cse1)) (and .cse3 .cse1 .cse4) (and .cse2 .cse1 (<= ~a19~0 |old(~a19~0)|)) (< 2 |old(~a10~0)|) (= 8 |old(~a19~0)|) (and (= |old(~a19~0)| ~a19~0) .cse0 .cse3 .cse4))) [2018-11-18 14:41:03,661 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 14:41:03,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:41:03 BoogieIcfgContainer [2018-11-18 14:41:03,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:41:03,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:41:03,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:41:03,674 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:41:03,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:40:56" (3/4) ... [2018-11-18 14:41:03,679 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:41:03,685 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:41:03,685 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:41:03,685 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:41:03,694 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:41:03,695 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:41:03,719 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 < a1 + 13 && 9 <= \old(a19)) || \old(a1) < 23) || ((!(a19 == 8) && a10 <= 2) && 9 <= \old(a19))) || 1 == \old(a10)) || (4 == a10 && a19 <= 8 && 9 <= \old(a19))) || ((a10 <= 2 && 9 <= \old(a19)) && !(a10 == 1))) || ((!(a19 == 8) && 9 <= \old(a19)) && a19 <= \old(a19))) || 2 < \old(a10)) || 8 == \old(a19)) || (((\old(a19) == a19 && 0 < a1 + 13) && a10 <= 2) && !(a10 == 1)) [2018-11-18 14:41:03,803 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5d25ce16-c86e-4ae7-aaac-b6c6897ce8d1/bin-2019/uautomizer/witness.graphml [2018-11-18 14:41:03,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:41:03,803 INFO L168 Benchmark]: Toolchain (without parser) took 8944.45 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 348.1 MB). Free memory was 955.5 MB in the beginning and 993.7 MB in the end (delta: -38.3 MB). Peak memory consumption was 309.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:03,804 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:41:03,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:03,804 INFO L168 Benchmark]: Boogie Preprocessor took 61.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:03,805 INFO L168 Benchmark]: RCFGBuilder took 945.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:03,805 INFO L168 Benchmark]: TraceAbstraction took 7377.02 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 232.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 140.8 kB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:03,805 INFO L168 Benchmark]: Witness Printer took 128.92 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 993.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:41:03,807 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 945.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7377.02 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 232.3 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 140.8 kB). Peak memory consumption was 232.4 MB. Max. memory is 11.5 GB. * Witness Printer took 128.92 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 993.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 154]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((0 < a1 + 13 && 9 <= \old(a19)) || \old(a1) < 23) || ((!(a19 == 8) && a10 <= 2) && 9 <= \old(a19))) || 1 == \old(a10)) || (4 == a10 && a19 <= 8 && 9 <= \old(a19))) || ((a10 <= 2 && 9 <= \old(a19)) && !(a10 == 1))) || ((!(a19 == 8) && 9 <= \old(a19)) && a19 <= \old(a19))) || 2 < \old(a10)) || 8 == \old(a19)) || (((\old(a19) == a19 && 0 < a1 + 13) && a10 <= 2) && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 7.3s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 5.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 415 SDtfs, 5512 SDslu, 631 SDs, 0 SdLazy, 6572 SolverSat, 1991 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 434 SyntacticMatches, 7 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2383occurred in iteration=4, 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, 5 MinimizatonAttempts, 704 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 99 PreInvPairs, 199 NumberOfFragments, 274 HoareAnnotationTreeSize, 99 FomulaSimplifications, 5647 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2535 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1385 NumberOfCodeBlocks, 1385 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1378 ConstructedInterpolants, 0 QuantifiedInterpolants, 949843 SizeOfPredicates, 2 NumberOfNonLiveVariables, 720 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 672/726 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...