./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 addc9e4e4fc897318cfe4d26c9760729a73864e1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 16:40:42,405 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:40:42,407 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:40:42,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:40:42,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:40:42,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:40:42,422 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:40:42,424 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:40:42,425 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:40:42,426 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:40:42,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:40:42,428 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:40:42,429 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:40:42,430 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:40:42,431 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:40:42,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:40:42,433 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:40:42,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:40:42,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:40:42,438 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:40:42,440 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:40:42,441 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:40:42,443 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:40:42,444 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:40:42,444 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:40:42,445 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:40:42,446 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:40:42,447 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:40:42,448 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:40:42,449 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:40:42,449 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:40:42,450 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:40:42,450 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:40:42,451 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:40:42,452 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:40:42,453 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:40:42,453 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:40:42,477 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:40:42,478 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:40:42,479 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:40:42,479 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:40:42,479 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:40:42,480 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:40:42,480 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:40:42,480 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:40:42,480 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:40:42,480 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:40:42,480 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:40:42,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:40:42,482 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:40:42,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:40:42,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:40:42,482 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:40:42,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:40:42,483 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:40:42,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:40:42,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:40:42,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:40:42,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:40:42,485 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:40:42,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:40:42,485 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:40:42,485 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:40:42,486 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:40:42,486 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:40:42,486 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:40:42,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:40:42,487 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> addc9e4e4fc897318cfe4d26c9760729a73864e1 [2018-11-28 16:40:42,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:40:42,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:40:42,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:40:42,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:40:42,551 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:40:42,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-28 16:40:42,615 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98cefcf4/047073702ba54606809ad07518c78852/FLAG636ce1465 [2018-11-28 16:40:43,186 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:40:43,187 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-28 16:40:43,205 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98cefcf4/047073702ba54606809ad07518c78852/FLAG636ce1465 [2018-11-28 16:40:43,380 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98cefcf4/047073702ba54606809ad07518c78852 [2018-11-28 16:40:43,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:40:43,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:40:43,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:40:43,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:40:43,390 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:40:43,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:43" (1/1) ... [2018-11-28 16:40:43,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b0d532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:43, skipping insertion in model container [2018-11-28 16:40:43,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:43" (1/1) ... [2018-11-28 16:40:43,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:40:43,468 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:40:44,029 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:40:44,041 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:40:44,151 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:40:44,171 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:40:44,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44 WrapperNode [2018-11-28 16:40:44,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:40:44,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:40:44,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:40:44,173 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:40:44,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (1/1) ... [2018-11-28 16:40:44,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (1/1) ... [2018-11-28 16:40:44,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:40:44,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:40:44,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:40:44,303 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:40:44,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (1/1) ... [2018-11-28 16:40:44,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (1/1) ... [2018-11-28 16:40:44,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (1/1) ... [2018-11-28 16:40:44,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (1/1) ... [2018-11-28 16:40:44,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (1/1) ... [2018-11-28 16:40:44,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (1/1) ... [2018-11-28 16:40:44,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (1/1) ... [2018-11-28 16:40:44,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:40:44,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:40:44,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:40:44,395 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:40:44,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 16:40:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:40:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:40:44,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 16:40:44,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 16:40:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:40:44,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:40:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:40:44,471 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:40:47,480 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:40:47,480 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:40:47,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:47 BoogieIcfgContainer [2018-11-28 16:40:47,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:40:47,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:40:47,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:40:47,487 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:40:47,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:40:43" (1/3) ... [2018-11-28 16:40:47,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3195295a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:40:47, skipping insertion in model container [2018-11-28 16:40:47,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:44" (2/3) ... [2018-11-28 16:40:47,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3195295a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:40:47, skipping insertion in model container [2018-11-28 16:40:47,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:47" (3/3) ... [2018-11-28 16:40:47,492 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label02_true-unreach-call_false-termination.c [2018-11-28 16:40:47,501 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:40:47,509 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:40:47,526 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:40:47,568 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:40:47,569 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:40:47,569 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:40:47,569 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:40:47,569 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:40:47,569 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:40:47,570 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:40:47,570 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:40:47,570 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:40:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 16:40:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-28 16:40:47,613 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:40:47,614 INFO L402 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] [2018-11-28 16:40:47,619 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:40:47,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:40:47,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1011489582, now seen corresponding path program 1 times [2018-11-28 16:40:47,628 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:40:47,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:40:47,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:47,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:47,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:48,241 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:40:48,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:40:48,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:40:48,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:40:48,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:40:48,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:40:48,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:40:48,376 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-28 16:40:49,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:40:49,927 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-28 16:40:49,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:40:49,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-11-28 16:40:49,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:40:49,947 INFO L225 Difference]: With dead ends: 547 [2018-11-28 16:40:49,947 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 16:40:49,954 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:40:49,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 16:40:50,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-28 16:40:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 16:40:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-11-28 16:40:50,032 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 96 [2018-11-28 16:40:50,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:40:50,033 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-11-28 16:40:50,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:40:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-11-28 16:40:50,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-28 16:40:50,039 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:40:50,039 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 16:40:50,040 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:40:50,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:40:50,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1321725755, now seen corresponding path program 1 times [2018-11-28 16:40:50,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:40:50,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:40:50,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:50,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:50,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:40:50,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:40:50,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:40:50,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:40:50,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:40:50,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:40:50,228 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-11-28 16:40:51,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:40:51,703 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-11-28 16:40:51,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:40:51,705 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-11-28 16:40:51,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:40:51,712 INFO L225 Difference]: With dead ends: 703 [2018-11-28 16:40:51,712 INFO L226 Difference]: Without dead ends: 431 [2018-11-28 16:40:51,715 INFO L631 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 [2018-11-28 16:40:51,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-28 16:40:51,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-11-28 16:40:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-28 16:40:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-11-28 16:40:51,751 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 106 [2018-11-28 16:40:51,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:40:51,751 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-11-28 16:40:51,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:40:51,752 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-11-28 16:40:51,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-28 16:40:51,756 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:40:51,756 INFO L402 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] [2018-11-28 16:40:51,757 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:40:51,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:40:51,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1059863033, now seen corresponding path program 1 times [2018-11-28 16:40:51,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:40:51,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:40:51,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:51,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:51,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:40:51,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:40:51,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:40:51,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:40:51,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:40:51,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:40:51,989 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-11-28 16:40:52,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:40:52,635 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-11-28 16:40:52,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:40:52,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-11-28 16:40:52,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:40:52,643 INFO L225 Difference]: With dead ends: 1241 [2018-11-28 16:40:52,643 INFO L226 Difference]: Without dead ends: 828 [2018-11-28 16:40:52,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:40:52,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-11-28 16:40:52,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-11-28 16:40:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-11-28 16:40:52,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1160 transitions. [2018-11-28 16:40:52,711 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1160 transitions. Word has length 107 [2018-11-28 16:40:52,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:40:52,711 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1160 transitions. [2018-11-28 16:40:52,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:40:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1160 transitions. [2018-11-28 16:40:52,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-28 16:40:52,716 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:40:52,717 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 16:40:52,717 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:40:52,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:40:52,717 INFO L82 PathProgramCache]: Analyzing trace with hash -742908101, now seen corresponding path program 1 times [2018-11-28 16:40:52,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:40:52,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:40:52,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:52,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:52,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:52,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:40:52,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:40:52,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:40:52,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:40:52,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:40:52,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:40:52,959 INFO L87 Difference]: Start difference. First operand 828 states and 1160 transitions. Second operand 3 states. [2018-11-28 16:40:55,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:40:55,243 INFO L93 Difference]: Finished difference Result 2331 states and 3360 transitions. [2018-11-28 16:40:55,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:40:55,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-11-28 16:40:55,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:40:55,262 INFO L225 Difference]: With dead ends: 2331 [2018-11-28 16:40:55,262 INFO L226 Difference]: Without dead ends: 1509 [2018-11-28 16:40:55,265 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:40:55,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2018-11-28 16:40:55,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1509. [2018-11-28 16:40:55,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1509 states. [2018-11-28 16:40:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2059 transitions. [2018-11-28 16:40:55,319 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2059 transitions. Word has length 113 [2018-11-28 16:40:55,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:40:55,320 INFO L480 AbstractCegarLoop]: Abstraction has 1509 states and 2059 transitions. [2018-11-28 16:40:55,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:40:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2059 transitions. [2018-11-28 16:40:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-28 16:40:55,327 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:40:55,327 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-11-28 16:40:55,327 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:40:55,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:40:55,328 INFO L82 PathProgramCache]: Analyzing trace with hash -1298833038, now seen corresponding path program 1 times [2018-11-28 16:40:55,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:40:55,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:40:55,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:55,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:55,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:40:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:55,819 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:40:55,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:40:55,819 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 16:40:55,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:40:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:40:55,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:40:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 16:40:56,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 16:40:56,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-28 16:40:56,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 16:40:56,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 16:40:56,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 16:40:56,209 INFO L87 Difference]: Start difference. First operand 1509 states and 2059 transitions. Second operand 7 states. [2018-11-28 16:40:57,501 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-28 16:41:00,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:00,643 INFO L93 Difference]: Finished difference Result 4462 states and 6456 transitions. [2018-11-28 16:41:00,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 16:41:00,646 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2018-11-28 16:41:00,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:00,672 INFO L225 Difference]: With dead ends: 4462 [2018-11-28 16:41:00,672 INFO L226 Difference]: Without dead ends: 2959 [2018-11-28 16:41:00,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-28 16:41:00,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2959 states. [2018-11-28 16:41:00,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2959 to 2629. [2018-11-28 16:41:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2629 states. [2018-11-28 16:41:00,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 3475 transitions. [2018-11-28 16:41:00,817 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 3475 transitions. Word has length 132 [2018-11-28 16:41:00,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:00,817 INFO L480 AbstractCegarLoop]: Abstraction has 2629 states and 3475 transitions. [2018-11-28 16:41:00,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 16:41:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3475 transitions. [2018-11-28 16:41:00,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-28 16:41:00,828 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:41:00,828 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:41:00,828 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:41:00,829 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:41:00,829 INFO L82 PathProgramCache]: Analyzing trace with hash 910063858, now seen corresponding path program 1 times [2018-11-28 16:41:00,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:41:00,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:41:00,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:00,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:41:00,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:41:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:41:01,026 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 16:41:01,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:41:01,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:41:01,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:41:01,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:41:01,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:41:01,029 INFO L87 Difference]: Start difference. First operand 2629 states and 3475 transitions. Second operand 3 states. [2018-11-28 16:41:02,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:41:02,377 INFO L93 Difference]: Finished difference Result 5250 states and 6943 transitions. [2018-11-28 16:41:02,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:41:02,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-11-28 16:41:02,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:41:02,388 INFO L225 Difference]: With dead ends: 5250 [2018-11-28 16:41:02,388 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:41:02,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:41:02,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:41:02,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:41:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:41:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:41:02,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2018-11-28 16:41:02,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:41:02,410 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:41:02,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:41:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:41:02,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:41:02,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:41:03,329 WARN L180 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2018-11-28 16:41:03,483 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:41:03,484 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-28 16:41:03,484 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:41:03,484 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 16:41:03,484 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 16:41:03,484 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,484 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,484 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,484 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,485 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,485 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,485 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 16:41:03,485 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 16:41:03,485 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 16:41:03,485 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 16:41:03,485 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 16:41:03,485 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 16:41:03,485 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 16:41:03,486 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 16:41:03,486 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 16:41:03,486 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 16:41:03,486 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,486 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,486 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,486 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,486 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,487 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,487 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 16:41:03,487 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 16:41:03,487 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 16:41:03,487 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 16:41:03,487 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 16:41:03,487 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 16:41:03,487 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 16:41:03,487 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 16:41:03,488 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 16:41:03,488 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 16:41:03,488 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 16:41:03,488 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 16:41:03,488 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 16:41:03,488 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 16:41:03,488 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 16:41:03,488 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,489 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,489 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,489 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,489 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,489 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 16:41:03,489 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 16:41:03,489 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 16:41:03,489 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 16:41:03,489 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 16:41:03,490 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 16:41:03,490 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 16:41:03,490 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 16:41:03,490 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 16:41:03,490 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,490 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,490 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,490 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,491 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,491 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 16:41:03,491 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 16:41:03,491 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 16:41:03,491 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 16:41:03,491 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 16:41:03,491 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 16:41:03,491 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 16:41:03,491 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 16:41:03,492 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 16:41:03,492 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 16:41:03,492 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 16:41:03,492 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 16:41:03,492 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 16:41:03,492 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,492 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,492 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,493 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,493 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,493 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 16:41:03,493 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 16:41:03,493 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 16:41:03,493 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 16:41:03,493 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 16:41:03,493 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 16:41:03,493 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 16:41:03,494 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 16:41:03,494 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2018-11-28 16:41:03,494 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 16:41:03,494 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,494 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,494 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,494 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,495 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,495 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,495 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 16:41:03,495 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,495 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 16:41:03,495 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 16:41:03,495 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 16:41:03,495 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 16:41:03,495 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 16:41:03,495 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 16:41:03,496 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 16:41:03,496 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 16:41:03,496 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 16:41:03,496 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 16:41:03,496 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 16:41:03,496 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 16:41:03,496 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 16:41:03,496 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,496 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,497 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,497 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,497 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,497 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 16:41:03,497 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 16:41:03,497 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 16:41:03,497 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 16:41:03,497 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 16:41:03,498 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 16:41:03,498 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 16:41:03,498 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 16:41:03,498 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,498 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,498 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,498 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,498 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,498 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 16:41:03,498 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 16:41:03,499 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 16:41:03,499 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 16:41:03,499 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 16:41:03,499 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 16:41:03,499 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 16:41:03,499 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 16:41:03,499 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 16:41:03,499 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 16:41:03,500 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= 1 |old(~a21~0)|)) (.cse1 (= |old(~a16~0)| ~a16~0)) (.cse2 (= ~a21~0 |old(~a21~0)|))) (let ((.cse3 (= 1 ~a17~0)) (.cse0 (= 6 |old(~a16~0)|)) (.cse8 (<= ~a20~0 0)) (.cse9 (< 0 |old(~a20~0)|)) (.cse4 (not (= 1 |old(~a17~0)|))) (.cse5 (and .cse1 .cse2)) (.cse6 (not .cse10)) (.cse7 (= 1 |old(~a7~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4) (or .cse0 (= 4 |old(~a16~0)|) .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse3 .cse4) (or (or .cse0 .cse6 .cse9) (and .cse1 .cse2 .cse8)) (or .cse0 .cse8 .cse9 .cse4) (or .cse5 .cse10) (or .cse6 .cse7 (and (not (= ~a7~0 1)) .cse1 .cse2))))) [2018-11-28 16:41:03,500 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 16:41:03,500 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,500 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,500 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,500 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,501 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 16:41:03,501 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,501 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,501 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 16:41:03,501 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 16:41:03,501 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 16:41:03,501 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 16:41:03,501 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 16:41:03,501 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 16:41:03,501 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 16:41:03,502 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 16:41:03,502 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 16:41:03,502 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 16:41:03,502 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 16:41:03,502 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 16:41:03,502 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,502 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,502 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,502 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,503 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,503 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 16:41:03,503 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,503 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 16:41:03,503 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 16:41:03,503 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 16:41:03,503 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 16:41:03,503 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 16:41:03,503 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 16:41:03,504 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 16:41:03,504 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 16:41:03,504 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 16:41:03,504 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 16:41:03,504 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 16:41:03,504 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 16:41:03,504 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 16:41:03,504 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 16:41:03,504 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,505 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,505 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,505 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,505 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,505 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 16:41:03,505 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 16:41:03,505 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 16:41:03,505 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 16:41:03,505 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 16:41:03,505 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 16:41:03,506 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 16:41:03,506 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 16:41:03,506 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 16:41:03,506 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 16:41:03,506 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 16:41:03,506 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:41:03,506 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (= 1 ~a21~0) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-11-28 16:41:03,506 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:41:03,506 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:41:03,507 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (= 4 |old(~a16~0)|) (not (= 1 |old(~a17~0)|)) (and (not (= ~a7~0 1)) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|) (= 1 ~a17~0))) [2018-11-28 16:41:03,507 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 16:41:03,507 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6)))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 (= 1 ~a17~0)) (not (= 1 ~a21~0)) (and .cse0 (not (= ~a16~0 4))) (and .cse0 (<= ~a20~0 0)) (not (= 1 |old(~a17~0)|)) (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (= 4 |old(~a16~0)|))) [2018-11-28 16:41:03,507 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 16:41:03,507 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 16:41:03,507 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6)))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 (= 1 ~a17~0)) (not (= 1 ~a21~0)) (and .cse0 (not (= ~a16~0 4))) (and .cse0 (<= ~a20~0 0)) (not (= 1 |old(~a17~0)|)) (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (= 4 |old(~a16~0)|))) [2018-11-28 16:41:03,508 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 16:41:03,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:41:03 BoogieIcfgContainer [2018-11-28 16:41:03,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:41:03,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:41:03,532 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:41:03,532 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:41:03,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:47" (3/4) ... [2018-11-28 16:41:03,538 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:41:03,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:41:03,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 16:41:03,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:41:03,574 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 16:41:03,575 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 16:41:03,610 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((6 == \old(a16) || !(1 == \old(a21))) || (!(a16 == 6) && 1 == a17)) || !(1 == a21)) || (!(a16 == 6) && !(a16 == 4))) || (!(a16 == 6) && a20 <= 0)) || !(1 == \old(a17))) || 1 == \old(a7)) || !(a7 == 1)) || 4 == \old(a16) [2018-11-28 16:41:03,751 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:41:03,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:41:03,753 INFO L168 Benchmark]: Toolchain (without parser) took 20369.20 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.8 MB). Free memory was 940.6 MB in the beginning and 1.2 GB in the end (delta: -288.3 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:03,753 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:41:03,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.63 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:03,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 913.7 MB in the beginning and 1.1 GB in the end (delta: -219.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:03,754 INFO L168 Benchmark]: Boogie Preprocessor took 92.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:03,755 INFO L168 Benchmark]: RCFGBuilder took 3086.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:03,755 INFO L168 Benchmark]: TraceAbstraction took 16042.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -232.7 MB). Peak memory consumption was 361.3 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:03,756 INFO L168 Benchmark]: Witness Printer took 219.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:41:03,758 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 786.63 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 913.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 129.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 913.7 MB in the beginning and 1.1 GB in the end (delta: -219.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 92.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3086.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16042.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -232.7 MB). Peak memory consumption was 361.3 MB. Max. memory is 11.5 GB. * Witness Printer took 219.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 446]: 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: ((((((((6 == \old(a16) || !(1 == \old(a21))) || (!(a16 == 6) && 1 == a17)) || !(1 == a21)) || (!(a16 == 6) && !(a16 == 4))) || (!(a16 == 6) && a20 <= 0)) || !(1 == \old(a17))) || 1 == \old(a7)) || !(a7 == 1)) || 4 == \old(a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 15.9s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 11.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 379 SDtfs, 1375 SDslu, 174 SDs, 0 SdLazy, 3240 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 153 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2629occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 342 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 67 PreInvPairs, 105 NumberOfFragments, 292 HoareAnnotationTreeSize, 67 FomulaSimplifications, 1639 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 647 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 826 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 819 ConstructedInterpolants, 0 QuantifiedInterpolants, 257621 SizeOfPredicates, 2 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 162/164 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...