./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/eca-rers2012/Problem02_label28_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/Problem02_label28_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 f8826e63977e5204bfb153113fa32b1df4948bea ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:42:49,534 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 16:42:49,536 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 16:42:49,549 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 16:42:49,549 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 16:42:49,550 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 16:42:49,552 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 16:42:49,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 16:42:49,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 16:42:49,556 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 16:42:49,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 16:42:49,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 16:42:49,558 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 16:42:49,560 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 16:42:49,561 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 16:42:49,562 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 16:42:49,563 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 16:42:49,565 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 16:42:49,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 16:42:49,568 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 16:42:49,569 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 16:42:49,571 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 16:42:49,575 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 16:42:49,575 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 16:42:49,575 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 16:42:49,576 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 16:42:49,577 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 16:42:49,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 16:42:49,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 16:42:49,580 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 16:42:49,580 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 16:42:49,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 16:42:49,581 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 16:42:49,581 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 16:42:49,583 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 16:42:49,584 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 16:42:49,584 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 16:42:49,599 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 16:42:49,599 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 16:42:49,600 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 16:42:49,600 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 16:42:49,601 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 16:42:49,601 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 16:42:49,601 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 16:42:49,602 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 16:42:49,602 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 16:42:49,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 16:42:49,602 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 16:42:49,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 16:42:49,603 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 16:42:49,603 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 16:42:49,603 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 16:42:49,603 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 16:42:49,603 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 16:42:49,603 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 16:42:49,603 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 16:42:49,605 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 16:42:49,605 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 16:42:49,605 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 16:42:49,606 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 16:42:49,606 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 16:42:49,606 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 16:42:49,606 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 16:42:49,607 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 16:42:49,607 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 16:42:49,607 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 16:42:49,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 16:42:49,607 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 -> f8826e63977e5204bfb153113fa32b1df4948bea [2018-11-28 16:42:49,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 16:42:49,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 16:42:49,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 16:42:49,671 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 16:42:49,671 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 16:42:49,672 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-28 16:42:49,731 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88fdcc897/2fadeefa6d3e44e3b700475e1b1bb175/FLAGc267de959 [2018-11-28 16:42:50,317 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 16:42:50,318 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-28 16:42:50,337 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88fdcc897/2fadeefa6d3e44e3b700475e1b1bb175/FLAGc267de959 [2018-11-28 16:42:50,522 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88fdcc897/2fadeefa6d3e44e3b700475e1b1bb175 [2018-11-28 16:42:50,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 16:42:50,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 16:42:50,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 16:42:50,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 16:42:50,533 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 16:42:50,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:50" (1/1) ... [2018-11-28 16:42:50,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256fbe3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:50, skipping insertion in model container [2018-11-28 16:42:50,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:50" (1/1) ... [2018-11-28 16:42:50,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 16:42:50,615 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 16:42:51,108 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:42:51,129 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 16:42:51,260 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 16:42:51,280 INFO L195 MainTranslator]: Completed translation [2018-11-28 16:42:51,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51 WrapperNode [2018-11-28 16:42:51,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 16:42:51,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 16:42:51,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 16:42:51,282 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 16:42:51,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (1/1) ... [2018-11-28 16:42:51,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (1/1) ... [2018-11-28 16:42:51,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 16:42:51,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 16:42:51,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 16:42:51,319 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 16:42:51,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (1/1) ... [2018-11-28 16:42:51,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (1/1) ... [2018-11-28 16:42:51,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (1/1) ... [2018-11-28 16:42:51,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (1/1) ... [2018-11-28 16:42:51,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (1/1) ... [2018-11-28 16:42:51,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (1/1) ... [2018-11-28 16:42:51,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (1/1) ... [2018-11-28 16:42:51,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 16:42:51,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 16:42:51,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 16:42:51,515 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 16:42:51,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (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 16:42:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 16:42:51,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 16:42:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 16:42:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 16:42:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 16:42:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 16:42:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 16:42:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 16:42:55,143 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 16:42:55,143 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 16:42:55,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:55 BoogieIcfgContainer [2018-11-28 16:42:55,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 16:42:55,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 16:42:55,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 16:42:55,159 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 16:42:55,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:42:50" (1/3) ... [2018-11-28 16:42:55,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63775037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:55, skipping insertion in model container [2018-11-28 16:42:55,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:51" (2/3) ... [2018-11-28 16:42:55,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63775037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:42:55, skipping insertion in model container [2018-11-28 16:42:55,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:55" (3/3) ... [2018-11-28 16:42:55,171 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label28_true-unreach-call_false-termination.c [2018-11-28 16:42:55,185 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 16:42:55,198 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 16:42:55,217 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 16:42:55,262 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 16:42:55,263 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 16:42:55,263 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 16:42:55,264 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 16:42:55,264 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 16:42:55,264 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 16:42:55,264 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 16:42:55,264 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 16:42:55,265 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 16:42:55,294 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-28 16:42:55,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-28 16:42:55,318 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:55,320 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:42:55,322 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:55,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:55,329 INFO L82 PathProgramCache]: Analyzing trace with hash 619051294, now seen corresponding path program 1 times [2018-11-28 16:42:55,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:55,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:55,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:55,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:55,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:56,073 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 16:42:56,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:56,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 16:42:56,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 16:42:56,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 16:42:56,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:56,106 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-28 16:42:57,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:42:57,830 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-11-28 16:42:57,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 16:42:57,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2018-11-28 16:42:57,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:42:57,853 INFO L225 Difference]: With dead ends: 615 [2018-11-28 16:42:57,854 INFO L226 Difference]: Without dead ends: 317 [2018-11-28 16:42:57,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 16:42:57,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-11-28 16:42:57,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-11-28 16:42:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-11-28 16:42:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-11-28 16:42:57,967 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 130 [2018-11-28 16:42:57,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:42:57,968 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-11-28 16:42:57,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 16:42:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-11-28 16:42:57,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-28 16:42:57,975 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:42:57,975 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:42:57,976 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:42:57,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:42:57,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1219362173, now seen corresponding path program 1 times [2018-11-28 16:42:57,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:42:57,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:42:57,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:57,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:42:57,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:42:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:42:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:42:58,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:42:58,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:42:58,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:42:58,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:42:58,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:42:58,237 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-11-28 16:43:00,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:00,055 INFO L93 Difference]: Finished difference Result 962 states and 1500 transitions. [2018-11-28 16:43:00,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 16:43:00,056 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-11-28 16:43:00,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:00,066 INFO L225 Difference]: With dead ends: 962 [2018-11-28 16:43:00,066 INFO L226 Difference]: Without dead ends: 651 [2018-11-28 16:43:00,068 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 16:43:00,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-11-28 16:43:00,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 625. [2018-11-28 16:43:00,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-11-28 16:43:00,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2018-11-28 16:43:00,137 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 145 [2018-11-28 16:43:00,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:00,138 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2018-11-28 16:43:00,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:43:00,138 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2018-11-28 16:43:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-28 16:43:00,145 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:00,146 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:43:00,146 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:00,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:00,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1862479560, now seen corresponding path program 1 times [2018-11-28 16:43:00,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:00,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:00,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:00,149 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:00,149 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:00,421 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:43:00,485 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-28 16:43:00,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:43:00,486 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 16:43:00,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:00,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:43:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:00,899 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:43:00,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-28 16:43:00,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 16:43:00,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 16:43:00,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:43:00,901 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 9 states. [2018-11-28 16:43:01,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:01,953 INFO L93 Difference]: Finished difference Result 1255 states and 1904 transitions. [2018-11-28 16:43:01,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 16:43:01,954 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 153 [2018-11-28 16:43:01,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:01,961 INFO L225 Difference]: With dead ends: 1255 [2018-11-28 16:43:01,961 INFO L226 Difference]: Without dead ends: 636 [2018-11-28 16:43:01,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 154 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-28 16:43:01,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2018-11-28 16:43:02,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 310. [2018-11-28 16:43:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-11-28 16:43:02,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2018-11-28 16:43:02,015 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 153 [2018-11-28 16:43:02,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:02,016 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2018-11-28 16:43:02,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 16:43:02,016 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2018-11-28 16:43:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-28 16:43:02,019 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:02,019 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:43:02,019 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:02,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:02,021 INFO L82 PathProgramCache]: Analyzing trace with hash -2079285706, now seen corresponding path program 1 times [2018-11-28 16:43:02,021 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:02,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:02,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:02,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:02,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:02,311 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-28 16:43:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:02,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:43:02,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 16:43:02,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 16:43:02,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 16:43:02,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 16:43:02,517 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 6 states. [2018-11-28 16:43:04,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:04,516 INFO L93 Difference]: Finished difference Result 925 states and 1330 transitions. [2018-11-28 16:43:04,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 16:43:04,517 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2018-11-28 16:43:04,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:04,520 INFO L225 Difference]: With dead ends: 925 [2018-11-28 16:43:04,520 INFO L226 Difference]: Without dead ends: 621 [2018-11-28 16:43:04,522 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:43:04,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2018-11-28 16:43:04,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 612. [2018-11-28 16:43:04,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-11-28 16:43:04,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 843 transitions. [2018-11-28 16:43:04,545 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 843 transitions. Word has length 152 [2018-11-28 16:43:04,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:04,546 INFO L480 AbstractCegarLoop]: Abstraction has 612 states and 843 transitions. [2018-11-28 16:43:04,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 16:43:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 843 transitions. [2018-11-28 16:43:04,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-28 16:43:04,549 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:04,549 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:43:04,549 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:04,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:04,550 INFO L82 PathProgramCache]: Analyzing trace with hash -339535186, now seen corresponding path program 1 times [2018-11-28 16:43:04,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:04,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:04,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:04,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:04,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:04,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 16:43:04,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 16:43:04,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 16:43:04,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 16:43:04,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:43:04,856 INFO L87 Difference]: Start difference. First operand 612 states and 843 transitions. Second operand 5 states. [2018-11-28 16:43:06,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:06,119 INFO L93 Difference]: Finished difference Result 1304 states and 1837 transitions. [2018-11-28 16:43:06,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 16:43:06,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2018-11-28 16:43:06,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:06,125 INFO L225 Difference]: With dead ends: 1304 [2018-11-28 16:43:06,126 INFO L226 Difference]: Without dead ends: 612 [2018-11-28 16:43:06,128 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 16:43:06,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2018-11-28 16:43:06,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 612. [2018-11-28 16:43:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-11-28 16:43:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 827 transitions. [2018-11-28 16:43:06,149 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 827 transitions. Word has length 156 [2018-11-28 16:43:06,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:06,150 INFO L480 AbstractCegarLoop]: Abstraction has 612 states and 827 transitions. [2018-11-28 16:43:06,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 16:43:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 827 transitions. [2018-11-28 16:43:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-28 16:43:06,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:06,154 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:43:06,154 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:06,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:06,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1499002287, now seen corresponding path program 1 times [2018-11-28 16:43:06,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:06,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:06,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:06,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:06,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:06,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:43:06,302 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 16:43:06,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:06,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:43:06,460 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:06,479 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 16:43:06,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-28 16:43:06,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 16:43:06,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 16:43:06,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-28 16:43:06,481 INFO L87 Difference]: Start difference. First operand 612 states and 827 transitions. Second operand 9 states. [2018-11-28 16:43:10,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:10,051 INFO L93 Difference]: Finished difference Result 2238 states and 3537 transitions. [2018-11-28 16:43:10,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 16:43:10,052 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2018-11-28 16:43:10,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:10,074 INFO L225 Difference]: With dead ends: 2238 [2018-11-28 16:43:10,074 INFO L226 Difference]: Without dead ends: 1632 [2018-11-28 16:43:10,078 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2018-11-28 16:43:10,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2018-11-28 16:43:10,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1430. [2018-11-28 16:43:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1430 states. [2018-11-28 16:43:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 1963 transitions. [2018-11-28 16:43:10,173 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 1963 transitions. Word has length 160 [2018-11-28 16:43:10,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:10,173 INFO L480 AbstractCegarLoop]: Abstraction has 1430 states and 1963 transitions. [2018-11-28 16:43:10,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 16:43:10,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1963 transitions. [2018-11-28 16:43:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-28 16:43:10,184 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 16:43:10,184 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 16:43:10,184 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 16:43:10,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 16:43:10,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1368930657, now seen corresponding path program 1 times [2018-11-28 16:43:10,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 16:43:10,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 16:43:10,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:10,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:10,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 16:43:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 16:43:10,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 16:43:10,560 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 16:43:10,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 16:43:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 16:43:10,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 16:43:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 16:43:10,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 16:43:10,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2018-11-28 16:43:10,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 16:43:10,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 16:43:10,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-28 16:43:10,740 INFO L87 Difference]: Start difference. First operand 1430 states and 1963 transitions. Second operand 11 states. [2018-11-28 16:43:11,380 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2018-11-28 16:43:13,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 16:43:13,832 INFO L93 Difference]: Finished difference Result 3591 states and 5293 transitions. [2018-11-28 16:43:13,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 16:43:13,837 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 165 [2018-11-28 16:43:13,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 16:43:13,838 INFO L225 Difference]: With dead ends: 3591 [2018-11-28 16:43:13,838 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 16:43:13,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2018-11-28 16:43:13,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 16:43:13,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 16:43:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 16:43:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 16:43:13,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2018-11-28 16:43:13,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 16:43:13,853 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 16:43:13,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 16:43:13,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 16:43:13,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 16:43:13,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 16:43:13,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 16:43:14,551 WARN L180 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 18 [2018-11-28 16:43:15,103 WARN L180 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2018-11-28 16:43:15,597 WARN L180 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 59 [2018-11-28 16:43:15,791 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2018-11-28 16:43:16,036 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2018-11-28 16:43:16,038 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:43:16,039 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a19~0 |old(~a19~0)|)) [2018-11-28 16:43:16,039 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:43:16,039 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,039 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,039 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,039 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,039 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,040 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-28 16:43:16,040 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-28 16:43:16,040 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-28 16:43:16,040 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-28 16:43:16,040 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-28 16:43:16,040 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-28 16:43:16,040 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-28 16:43:16,040 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-28 16:43:16,040 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-28 16:43:16,040 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-28 16:43:16,043 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-28 16:43:16,043 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-28 16:43:16,043 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-28 16:43:16,044 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,044 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,044 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,044 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,044 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-28 16:43:16,044 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,044 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-28 16:43:16,044 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-28 16:43:16,044 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-28 16:43:16,044 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-28 16:43:16,045 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-28 16:43:16,045 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-28 16:43:16,045 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-28 16:43:16,045 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-28 16:43:16,045 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-28 16:43:16,045 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-28 16:43:16,045 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-28 16:43:16,045 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-28 16:43:16,045 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-28 16:43:16,045 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-28 16:43:16,046 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-28 16:43:16,047 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-28 16:43:16,047 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-28 16:43:16,047 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-28 16:43:16,047 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-28 16:43:16,049 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-28 16:43:16,049 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-28 16:43:16,049 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,049 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,049 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,049 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,049 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,050 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-28 16:43:16,050 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-28 16:43:16,050 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-28 16:43:16,050 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-28 16:43:16,050 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-28 16:43:16,050 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-28 16:43:16,050 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-28 16:43:16,050 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-28 16:43:16,050 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-28 16:43:16,050 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-28 16:43:16,051 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-28 16:43:16,052 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-28 16:43:16,053 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-28 16:43:16,054 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-28 16:43:16,054 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,054 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,054 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-28 16:43:16,054 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-28 16:43:16,054 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-28 16:43:16,054 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-28 16:43:16,054 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-28 16:43:16,054 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-28 16:43:16,054 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-28 16:43:16,055 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-28 16:43:16,055 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-28 16:43:16,055 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-28 16:43:16,055 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-28 16:43:16,055 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,055 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,055 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,055 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,055 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,055 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-28 16:43:16,056 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-28 16:43:16,057 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,058 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,059 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,059 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (= |old(~a28~0)| ~a28~0)) (.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse11 (= |old(~a17~0)| ~a17~0)) (.cse7 (= |old(~a25~0)| ~a25~0)) (.cse9 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (< 10 |old(~a28~0)|)) (.cse3 (and .cse8 .cse10 .cse11 .cse7 .cse9)) (.cse2 (< 8 |old(~a17~0)|)) (.cse1 (not (= 1 ~a21~0))) (.cse6 (not (= 1 |old(~a19~0)|))) (.cse5 (= 1 |old(~a11~0)|)) (.cse4 (= 7 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (= 1 |old(~a25~0)|)) (or .cse0 .cse1 .cse3 (or .cse4 .cse2)) (or .cse1 .cse5 .cse6 (not (= 8 |old(~a17~0)|)) (and .cse7 (= |old(~a11~0)| ~a11~0) .cse8 (= 8 ~a17~0) .cse9)) (or (or .cse1 .cse2 (not (= 9 |old(~a28~0)|))) (and .cse10 .cse11 (= 9 ~a28~0) .cse7 .cse9)) (or .cse1 (not (= 7 |old(~a28~0)|)) .cse6 (not .cse5) (and (= 7 ~a28~0) (= 1 ~a11~0) (= 7 ~a17~0) (= 1 ~a19~0) .cse7) (not .cse4))))) [2018-11-28 16:43:16,059 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,059 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,059 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,059 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-28 16:43:16,060 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-28 16:43:16,060 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-28 16:43:16,060 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-28 16:43:16,060 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-28 16:43:16,060 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-28 16:43:16,060 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-28 16:43:16,060 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-28 16:43:16,060 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-28 16:43:16,060 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-28 16:43:16,060 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-28 16:43:16,061 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-28 16:43:16,061 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-28 16:43:16,061 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,061 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,061 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,061 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,061 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,062 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,062 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-28 16:43:16,062 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-28 16:43:16,062 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-28 16:43:16,062 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-28 16:43:16,062 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-28 16:43:16,062 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-28 16:43:16,062 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-28 16:43:16,062 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-28 16:43:16,063 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-28 16:43:16,063 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-28 16:43:16,063 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-28 16:43:16,063 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-28 16:43:16,063 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-28 16:43:16,063 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-28 16:43:16,063 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-28 16:43:16,063 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-28 16:43:16,063 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,063 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,064 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,064 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,064 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-28 16:43:16,064 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-28 16:43:16,064 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-28 16:43:16,064 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-28 16:43:16,064 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-28 16:43:16,064 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-28 16:43:16,064 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-28 16:43:16,065 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-28 16:43:16,065 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-28 16:43:16,065 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-28 16:43:16,065 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-28 16:43:16,065 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2018-11-28 16:43:16,065 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-28 16:43:16,065 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-28 16:43:16,065 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-28 16:43:16,066 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-28 16:43:16,066 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-28 16:43:16,066 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-28 16:43:16,066 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-28 16:43:16,066 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-28 16:43:16,066 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-28 16:43:16,066 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 16:43:16,066 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 1)) (= 8 ~a17~0) (= 1 ~a19~0) (not (= ~a19~0 ~a11~0)) (= ~a21~0 1) (<= ~a28~0 9)) [2018-11-28 16:43:16,067 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 16:43:16,067 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 16:43:16,067 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (< 9 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (and (= |old(~a25~0)| ~a25~0) (= |old(~a11~0)| ~a11~0) (= |old(~a28~0)| ~a28~0) (= 8 ~a17~0) (= ~a19~0 |old(~a19~0)|)) (= |old(~a11~0)| |old(~a19~0)|) (not (= 8 |old(~a17~0)|)) (= 1 |old(~a25~0)|)) [2018-11-28 16:43:16,067 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 10)) (.cse2 (= 1 ~a11~0)) (.cse3 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (= 1 |old(~a25~0)|) (and (not (= ~a25~0 1)) .cse0 .cse1) (and (not (= ~a17~0 7)) .cse0 .cse1) (and (= 7 ~a28~0) .cse2 .cse3 .cse1) (= |old(~a11~0)| |old(~a19~0)|) (and (not .cse2) (= 8 ~a17~0) .cse3) (and (= 9 ~a28~0) .cse1) (< 9 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-11-28 16:43:16,067 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-28 16:43:16,067 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-28 16:43:16,068 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a28~0 10)) (.cse2 (= 1 ~a11~0)) (.cse3 (= 1 ~a19~0)) (.cse1 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (= 1 |old(~a25~0)|) (and (not (= ~a25~0 1)) .cse0 .cse1) (and (not (= ~a17~0 7)) .cse0 .cse1) (and (= 7 ~a28~0) .cse2 .cse3 .cse1) (= |old(~a11~0)| |old(~a19~0)|) (and (not .cse2) (= 8 ~a17~0) .cse3) (and (= 9 ~a28~0) .cse1) (< 9 |old(~a28~0)|) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-11-28 16:43:16,068 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-28 16:43:16,068 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-28 16:43:16,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:43:16 BoogieIcfgContainer [2018-11-28 16:43:16,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 16:43:16,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 16:43:16,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 16:43:16,096 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 16:43:16,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:55" (3/4) ... [2018-11-28 16:43:16,106 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 16:43:16,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 16:43:16,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 16:43:16,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 16:43:16,149 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 16:43:16,151 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 16:43:16,190 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == a21) || 1 == \old(a25)) || ((!(a25 == 1) && a28 <= 10) && a17 <= 8)) || ((!(a17 == 7) && a28 <= 10) && a17 <= 8)) || (((7 == a28 && 1 == a11) && 1 == a19) && a17 <= 8)) || \old(a11) == \old(a19)) || ((!(1 == a11) && 8 == a17) && 1 == a19)) || (9 == a28 && a17 <= 8)) || 9 < \old(a28)) || !(1 == \old(a19))) || !(8 == \old(a17)) [2018-11-28 16:43:16,366 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 16:43:16,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 16:43:16,371 INFO L168 Benchmark]: Toolchain (without parser) took 25843.96 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 376.4 MB). Free memory was 939.3 MB in the beginning and 827.2 MB in the end (delta: 112.0 MB). Peak memory consumption was 488.5 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:16,371 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:43:16,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.87 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 911.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:16,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.60 ms. Allocated memory is still 1.0 GB. Free memory is still 911.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 16:43:16,372 INFO L168 Benchmark]: Boogie Preprocessor took 196.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 911.1 MB in the beginning and 1.1 GB in the end (delta: -229.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:16,373 INFO L168 Benchmark]: RCFGBuilder took 3634.75 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: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:16,373 INFO L168 Benchmark]: TraceAbstraction took 20943.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 222.8 MB). Free memory was 1.0 GB in the beginning and 843.5 MB in the end (delta: 193.6 MB). Peak memory consumption was 416.4 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:16,373 INFO L168 Benchmark]: Witness Printer took 274.53 ms. Allocated memory is still 1.4 GB. Free memory was 843.5 MB in the beginning and 827.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-28 16:43:16,376 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 751.87 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 911.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.60 ms. Allocated memory is still 1.0 GB. Free memory is still 911.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 196.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 911.1 MB in the beginning and 1.1 GB in the end (delta: -229.7 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3634.75 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: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20943.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 222.8 MB). Free memory was 1.0 GB in the beginning and 843.5 MB in the end (delta: 193.6 MB). Peak memory consumption was 416.4 MB. Max. memory is 11.5 GB. * Witness Printer took 274.53 ms. Allocated memory is still 1.4 GB. Free memory was 843.5 MB in the beginning and 827.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a21) || 1 == \old(a25)) || ((!(a25 == 1) && a28 <= 10) && a17 <= 8)) || ((!(a17 == 7) && a28 <= 10) && a17 <= 8)) || (((7 == a28 && 1 == a11) && 1 == a19) && a17 <= 8)) || \old(a11) == \old(a19)) || ((!(1 == a11) && 8 == a17) && 1 == a19)) || (9 == a28 && a17 <= 8)) || 9 < \old(a28)) || !(1 == \old(a19))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 20.8s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 14.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 369 SDtfs, 5525 SDslu, 502 SDs, 0 SdLazy, 5727 SolverSat, 1279 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 578 GetRequests, 507 SyntacticMatches, 8 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1430occurred in iteration=6, 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, 7 MinimizatonAttempts, 563 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 70 PreInvPairs, 126 NumberOfFragments, 394 HoareAnnotationTreeSize, 70 FomulaSimplifications, 25800 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2256 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1539 NumberOfCodeBlocks, 1539 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1529 ConstructedInterpolants, 0 QuantifiedInterpolants, 815737 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1245 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 221/252 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...