./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:14:48,442 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:14:48,443 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:14:48,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:14:48,451 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:14:48,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:14:48,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:14:48,455 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:14:48,456 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:14:48,456 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:14:48,458 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:14:48,458 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:14:48,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:14:48,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:14:48,460 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:14:48,460 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:14:48,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:14:48,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:14:48,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:14:48,466 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:14:48,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:14:48,467 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:14:48,469 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:14:48,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:14:48,470 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:14:48,470 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:14:48,471 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:14:48,471 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:14:48,472 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:14:48,473 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:14:48,474 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:14:48,474 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:14:48,474 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:14:48,474 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:14:48,475 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:14:48,475 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:14:48,476 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 13:14:48,486 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:14:48,486 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:14:48,487 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:14:48,487 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 13:14:48,488 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:14:48,488 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:14:48,488 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:14:48,488 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:14:48,488 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:14:48,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:14:48,489 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:14:48,489 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:14:48,489 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:14:48,489 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:14:48,489 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:14:48,489 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:14:48,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:14:48,489 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:14:48,490 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:14:48,490 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:14:48,490 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:14:48,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:14:48,490 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:14:48,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:14:48,490 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:14:48,490 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:14:48,491 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:14:48,491 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:14:48,491 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:14:48,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:14:48,491 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f [2018-11-18 13:14:48,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:14:48,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:14:48,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:14:48,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:14:48,535 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:14:48,536 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-18 13:14:48,585 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/data/56c77c9e3/5d9b60785c054384ade5e51732023bed/FLAG9aed853ae [2018-11-18 13:14:48,975 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:14:48,978 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-18 13:14:48,991 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/data/56c77c9e3/5d9b60785c054384ade5e51732023bed/FLAG9aed853ae [2018-11-18 13:14:49,346 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/data/56c77c9e3/5d9b60785c054384ade5e51732023bed [2018-11-18 13:14:49,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:14:49,350 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:14:49,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:14:49,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:14:49,354 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:14:49,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:14:49" (1/1) ... [2018-11-18 13:14:49,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c40b54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49, skipping insertion in model container [2018-11-18 13:14:49,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:14:49" (1/1) ... [2018-11-18 13:14:49,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:14:49,402 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:14:49,720 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:14:49,724 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:14:49,796 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:14:49,809 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:14:49,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49 WrapperNode [2018-11-18 13:14:49,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:14:49,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:14:49,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:14:49,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:14:49,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49" (1/1) ... [2018-11-18 13:14:49,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49" (1/1) ... [2018-11-18 13:14:49,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49" (1/1) ... [2018-11-18 13:14:49,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49" (1/1) ... [2018-11-18 13:14:49,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49" (1/1) ... [2018-11-18 13:14:49,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49" (1/1) ... [2018-11-18 13:14:49,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49" (1/1) ... [2018-11-18 13:14:49,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:14:49,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:14:49,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:14:49,931 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:14:49,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:14:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:14:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:14:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:14:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:14:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:14:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:14:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 13:14:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:14:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:14:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:14:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:14:51,507 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:14:51,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:14:51 BoogieIcfgContainer [2018-11-18 13:14:51,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:14:51,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:14:51,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:14:51,511 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:14:51,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:14:49" (1/3) ... [2018-11-18 13:14:51,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495e887c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:14:51, skipping insertion in model container [2018-11-18 13:14:51,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:49" (2/3) ... [2018-11-18 13:14:51,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495e887c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:14:51, skipping insertion in model container [2018-11-18 13:14:51,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:14:51" (3/3) ... [2018-11-18 13:14:51,514 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-11-18 13:14:51,521 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:14:51,526 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:14:51,538 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:14:51,562 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:14:51,563 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:14:51,563 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:14:51,563 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:14:51,563 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:14:51,563 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:14:51,563 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:14:51,564 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:14:51,564 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:14:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 13:14:51,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 13:14:51,604 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:51,605 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:14:51,607 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:51,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:51,614 INFO L82 PathProgramCache]: Analyzing trace with hash -200516955, now seen corresponding path program 1 times [2018-11-18 13:14:51,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:14:51,616 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:14:51,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:51,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:51,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:52,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:14:52,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:14:52,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:14:52,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:14:52,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:14:52,119 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 13:14:52,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:14:52,785 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 13:14:52,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:14:52,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2018-11-18 13:14:52,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:14:52,800 INFO L225 Difference]: With dead ends: 550 [2018-11-18 13:14:52,800 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 13:14:52,804 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:14:52,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 13:14:52,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 13:14:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 13:14:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-11-18 13:14:52,856 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 101 [2018-11-18 13:14:52,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:14:52,857 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-11-18 13:14:52,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:14:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-11-18 13:14:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 13:14:52,861 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:52,861 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:14:52,862 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:52,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:52,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1760831450, now seen corresponding path program 1 times [2018-11-18 13:14:52,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:14:52,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:14:52,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:52,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:52,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:52,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:14:52,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:14:52,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:14:52,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:14:52,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:14:52,971 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-11-18 13:14:53,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:14:53,802 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-11-18 13:14:53,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:14:53,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-11-18 13:14:53,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:14:53,807 INFO L225 Difference]: With dead ends: 888 [2018-11-18 13:14:53,807 INFO L226 Difference]: Without dead ends: 554 [2018-11-18 13:14:53,810 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:14:53,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-18 13:14:53,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-11-18 13:14:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-18 13:14:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-11-18 13:14:53,837 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 112 [2018-11-18 13:14:53,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:14:53,838 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-11-18 13:14:53,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:14:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-11-18 13:14:53,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 13:14:53,841 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:53,841 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:14:53,841 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:53,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:53,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1036914094, now seen corresponding path program 1 times [2018-11-18 13:14:53,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:14:53,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:14:53,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:53,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:53,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:53,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:14:53,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:14:53,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:14:53,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:14:53,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:14:53,948 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-11-18 13:14:54,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:14:54,459 INFO L93 Difference]: Finished difference Result 1530 states and 2432 transitions. [2018-11-18 13:14:54,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:14:54,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-11-18 13:14:54,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:14:54,466 INFO L225 Difference]: With dead ends: 1530 [2018-11-18 13:14:54,466 INFO L226 Difference]: Without dead ends: 997 [2018-11-18 13:14:54,469 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:14:54,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-11-18 13:14:54,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-11-18 13:14:54,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-11-18 13:14:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1488 transitions. [2018-11-18 13:14:54,497 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1488 transitions. Word has length 113 [2018-11-18 13:14:54,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:14:54,498 INFO L480 AbstractCegarLoop]: Abstraction has 997 states and 1488 transitions. [2018-11-18 13:14:54,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:14:54,498 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1488 transitions. [2018-11-18 13:14:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 13:14:54,501 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:54,502 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:14:54,502 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:54,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:54,502 INFO L82 PathProgramCache]: Analyzing trace with hash 790407278, now seen corresponding path program 1 times [2018-11-18 13:14:54,502 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:14:54,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:14:54,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:54,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:54,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:54,658 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 13:14:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:54,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:14:54,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:14:54,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:14:54,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:14:54,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:14:54,688 INFO L87 Difference]: Start difference. First operand 997 states and 1488 transitions. Second operand 6 states. [2018-11-18 13:14:56,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:14:56,062 INFO L93 Difference]: Finished difference Result 2927 states and 4616 transitions. [2018-11-18 13:14:56,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:14:56,069 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-11-18 13:14:56,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:14:56,079 INFO L225 Difference]: With dead ends: 2927 [2018-11-18 13:14:56,079 INFO L226 Difference]: Without dead ends: 1936 [2018-11-18 13:14:56,084 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:14:56,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2018-11-18 13:14:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1881. [2018-11-18 13:14:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-11-18 13:14:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2656 transitions. [2018-11-18 13:14:56,135 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2656 transitions. Word has length 127 [2018-11-18 13:14:56,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:14:56,136 INFO L480 AbstractCegarLoop]: Abstraction has 1881 states and 2656 transitions. [2018-11-18 13:14:56,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:14:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2656 transitions. [2018-11-18 13:14:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 13:14:56,141 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:56,141 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:14:56,142 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:56,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:56,142 INFO L82 PathProgramCache]: Analyzing trace with hash 323635751, now seen corresponding path program 1 times [2018-11-18 13:14:56,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:14:56,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:14:56,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:56,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:56,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:56,303 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:56,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:14:56,304 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:14:56,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:56,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:14:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:56,558 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:14:56,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-18 13:14:56,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:14:56,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:14:56,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:14:56,560 INFO L87 Difference]: Start difference. First operand 1881 states and 2656 transitions. Second operand 7 states. [2018-11-18 13:14:57,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:14:57,859 INFO L93 Difference]: Finished difference Result 4368 states and 6441 transitions. [2018-11-18 13:14:57,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:14:57,861 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 145 [2018-11-18 13:14:57,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:14:57,879 INFO L225 Difference]: With dead ends: 4368 [2018-11-18 13:14:57,880 INFO L226 Difference]: Without dead ends: 2493 [2018-11-18 13:14:57,885 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 145 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:14:57,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2018-11-18 13:14:57,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2441. [2018-11-18 13:14:57,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2441 states. [2018-11-18 13:14:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 3439 transitions. [2018-11-18 13:14:57,952 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 3439 transitions. Word has length 145 [2018-11-18 13:14:57,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:14:57,952 INFO L480 AbstractCegarLoop]: Abstraction has 2441 states and 3439 transitions. [2018-11-18 13:14:57,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:14:57,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 3439 transitions. [2018-11-18 13:14:57,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 13:14:57,959 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:57,959 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:14:57,959 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:57,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:57,959 INFO L82 PathProgramCache]: Analyzing trace with hash -501101009, now seen corresponding path program 1 times [2018-11-18 13:14:57,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:14:57,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:14:57,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:57,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:57,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:58,074 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:14:58,074 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:14:58,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:58,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:14:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:14:58,280 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:14:58,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-18 13:14:58,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:14:58,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:14:58,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:14:58,282 INFO L87 Difference]: Start difference. First operand 2441 states and 3439 transitions. Second operand 8 states. [2018-11-18 13:14:58,705 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-18 13:15:00,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:15:00,315 INFO L93 Difference]: Finished difference Result 6198 states and 9296 transitions. [2018-11-18 13:15:00,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 13:15:00,316 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2018-11-18 13:15:00,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:15:00,331 INFO L225 Difference]: With dead ends: 6198 [2018-11-18 13:15:00,331 INFO L226 Difference]: Without dead ends: 3763 [2018-11-18 13:15:00,343 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-18 13:15:00,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2018-11-18 13:15:00,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3324. [2018-11-18 13:15:00,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3324 states. [2018-11-18 13:15:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 4278 transitions. [2018-11-18 13:15:00,438 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 4278 transitions. Word has length 149 [2018-11-18 13:15:00,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:15:00,438 INFO L480 AbstractCegarLoop]: Abstraction has 3324 states and 4278 transitions. [2018-11-18 13:15:00,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:15:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 4278 transitions. [2018-11-18 13:15:00,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 13:15:00,447 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:15:00,447 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:15:00,447 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:15:00,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:15:00,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1202190697, now seen corresponding path program 1 times [2018-11-18 13:15:00,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:15:00,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:15:00,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:15:00,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:15:00,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:15:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:00,830 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:15:00,831 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:15:00,831 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:15:00,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:15:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:00,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:15:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:15:01,162 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:15:01,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-18 13:15:01,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:15:01,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:15:01,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:15:01,163 INFO L87 Difference]: Start difference. First operand 3324 states and 4278 transitions. Second operand 8 states. [2018-11-18 13:15:02,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:15:02,534 INFO L93 Difference]: Finished difference Result 11275 states and 16172 transitions. [2018-11-18 13:15:02,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 13:15:02,535 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2018-11-18 13:15:02,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:15:02,564 INFO L225 Difference]: With dead ends: 11275 [2018-11-18 13:15:02,564 INFO L226 Difference]: Without dead ends: 7957 [2018-11-18 13:15:02,581 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2018-11-18 13:15:02,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7957 states. [2018-11-18 13:15:02,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7957 to 7690. [2018-11-18 13:15:02,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7690 states. [2018-11-18 13:15:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7690 states to 7690 states and 9835 transitions. [2018-11-18 13:15:02,784 INFO L78 Accepts]: Start accepts. Automaton has 7690 states and 9835 transitions. Word has length 169 [2018-11-18 13:15:02,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:15:02,785 INFO L480 AbstractCegarLoop]: Abstraction has 7690 states and 9835 transitions. [2018-11-18 13:15:02,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:15:02,785 INFO L276 IsEmpty]: Start isEmpty. Operand 7690 states and 9835 transitions. [2018-11-18 13:15:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 13:15:02,801 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:15:02,801 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:15:02,802 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:15:02,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:15:02,802 INFO L82 PathProgramCache]: Analyzing trace with hash 733996211, now seen corresponding path program 1 times [2018-11-18 13:15:02,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:15:02,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:15:02,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:15:02,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:15:02,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:15:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 116 proven. 28 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 13:15:03,194 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:15:03,194 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:15:03,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:15:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:03,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:15:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 54 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 13:15:03,446 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:15:03,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-18 13:15:03,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:15:03,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:15:03,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:15:03,447 INFO L87 Difference]: Start difference. First operand 7690 states and 9835 transitions. Second operand 8 states. [2018-11-18 13:15:05,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:15:05,744 INFO L93 Difference]: Finished difference Result 15158 states and 19715 transitions. [2018-11-18 13:15:05,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 13:15:05,744 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 209 [2018-11-18 13:15:05,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:15:05,745 INFO L225 Difference]: With dead ends: 15158 [2018-11-18 13:15:05,745 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:15:05,776 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2018-11-18 13:15:05,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:15:05,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:15:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:15:05,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:15:05,778 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209 [2018-11-18 13:15:05,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:15:05,779 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:15:05,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:15:05,779 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:15:05,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:15:05,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:15:05,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:05,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:05,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:05,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:05,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:05,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,320 WARN L180 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 223 [2018-11-18 13:15:06,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:15:06,675 WARN L180 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 223 [2018-11-18 13:15:06,862 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-18 13:15:07,142 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2018-11-18 13:15:09,199 WARN L180 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2018-11-18 13:15:09,860 WARN L180 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 52 [2018-11-18 13:15:10,555 WARN L180 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 52 [2018-11-18 13:15:10,557 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:15:10,557 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-18 13:15:10,557 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:15:10,557 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 13:15:10,557 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 13:15:10,558 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 13:15:10,559 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 13:15:10,560 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 13:15:10,561 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,562 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 13:15:10,563 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,564 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,565 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,565 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,565 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 13:15:10,565 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 13:15:10,565 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 13:15:10,565 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 13:15:10,565 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 13:15:10,566 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 13:15:10,566 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 13:15:10,566 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 13:15:10,566 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 13:15:10,567 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= 6 |old(~a16~0)|)) (.cse16 (< 0 |old(~a21~0)|)) (.cse12 (= |old(~a16~0)| ~a16~0)) (.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= |old(~a8~0)| ~a8~0)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|))) (let ((.cse5 (not (= 1 |old(~a17~0)|))) (.cse6 (= 13 |old(~a8~0)|)) (.cse3 (not (= 1 |old(~a7~0)|))) (.cse1 (not (= 1 |old(~a21~0)|))) (.cse4 (and .cse12 .cse10 .cse11 .cse15 (= 1 ~a21~0) .cse13)) (.cse7 (< 0 |old(~a7~0)|)) (.cse9 (or .cse0 .cse16)) (.cse2 (not (= 1 |old(~a20~0)|))) (.cse14 (= ~a21~0 |old(~a21~0)|)) (.cse8 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse4 .cse7 .cse8) (or .cse1 .cse4 .cse6 .cse7 .cse5) (or .cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 (= 1 ~a17~0)) .cse5) (or .cse1 .cse4 .cse2 .cse7 .cse5) (or .cse0 .cse1 .cse4 .cse6 .cse3 .cse8) (or .cse0 .cse1 .cse4 .cse7 .cse8) (or .cse9 .cse8 (and .cse10 .cse11 .cse15 .cse12 .cse13 .cse14)) (or .cse2 (and .cse12 .cse14 .cse10 .cse11 .cse15 .cse13) .cse8 .cse16)))) [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 13:15:10,568 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,569 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 13:15:10,570 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 13:15:10,571 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 13:15:10,572 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:15:10,572 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (<= ~a7~0 0) (not (= ~a8~0 13)) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-11-18 13:15:10,572 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:15:10,572 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:15:10,572 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 4 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (and (= |old(~a16~0)| ~a16~0) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-18 13:15:10,572 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 13:15:10,572 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse4 (not (= ~a8~0 13))) (.cse3 (= 1 ~a21~0)) (.cse5 (<= ~a7~0 0)) (.cse7 (= 1 ~a17~0)) (.cse2 (not (= ~a16~0 6))) (.cse8 (<= ~a21~0 0)) (.cse6 (= 1 ~a20~0)) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse3 .cse1 .cse5) (and .cse0 (and .cse6 .cse2 .cse3) .cse7) (and .cse8 .cse2 .cse7) (and .cse3 .cse4 .cse5 .cse7) (and (and .cse3 .cse4 .cse5) .cse1) (and .cse6 .cse3 .cse5 .cse7) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (and .cse8 .cse2 .cse1) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|) (and .cse8 .cse6 .cse1))) [2018-11-18 13:15:10,572 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 13:15:10,572 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 13:15:10,572 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 13:15:10,573 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse4 (not (= ~a8~0 13))) (.cse3 (= 1 ~a21~0)) (.cse5 (<= ~a7~0 0)) (.cse7 (= 1 ~a17~0)) (.cse2 (not (= ~a16~0 6))) (.cse8 (<= ~a21~0 0)) (.cse6 (= 1 ~a20~0)) (.cse1 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 (and .cse2 .cse3 .cse4)) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse3 .cse1 .cse5) (and .cse0 (and .cse6 .cse2 .cse3) .cse7) (and .cse8 .cse2 .cse7) (and .cse3 .cse4 .cse5 .cse7) (and (and .cse3 .cse4 .cse5) .cse1) (and .cse6 .cse3 .cse5 .cse7) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (and .cse8 .cse2 .cse1) (not (= 1 |old(~a17~0)|)) (= 4 |old(~a16~0)|) (and .cse8 .cse6 .cse1))) [2018-11-18 13:15:10,573 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 13:15:10,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:15:10 BoogieIcfgContainer [2018-11-18 13:15:10,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:15:10,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:15:10,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:15:10,587 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:15:10,587 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:14:51" (3/4) ... [2018-11-18 13:15:10,590 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:15:10,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:15:10,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:15:10,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:15:10,616 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:15:10,616 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:15:10,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || !(1 == \old(a20))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a7 <= 0)) || ((1 == a7 && (1 == a20 && !(a16 == 6)) && 1 == a21) && 1 == a17)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && 1 == a17)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && a17 <= 0)) || (((1 == a20 && 1 == a21) && a7 <= 0) && 1 == a17)) || 0 < \old(a7)) || 6 == \old(a16)) || 13 == \old(a8)) || ((a21 <= 0 && !(a16 == 6)) && a17 <= 0)) || !(1 == \old(a17))) || 4 == \old(a16)) || ((a21 <= 0 && 1 == a20) && a17 <= 0) [2018-11-18 13:15:10,751 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5a2571a1-fc16-4ba1-aef0-7ad888452379/bin-2019/uautomizer/witness.graphml [2018-11-18 13:15:10,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:15:10,753 INFO L168 Benchmark]: Toolchain (without parser) took 21403.53 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 542.1 MB). Free memory was 950.4 MB in the beginning and 1.4 GB in the end (delta: -449.2 MB). Peak memory consumption was 92.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:10,753 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:15:10,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.04 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 918.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:10,754 INFO L168 Benchmark]: Boogie Preprocessor took 120.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 918.2 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:10,754 INFO L168 Benchmark]: RCFGBuilder took 1576.75 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: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:10,754 INFO L168 Benchmark]: TraceAbstraction took 19077.68 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 414.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -414.5 MB). Peak memory consumption was 643.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:10,757 INFO L168 Benchmark]: Witness Printer took 165.43 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:10,758 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 459.04 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 918.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 918.2 MB in the beginning and 1.1 GB in the end (delta: -199.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1576.75 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: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19077.68 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 414.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -414.5 MB). Peak memory consumption was 643.7 MB. Max. memory is 11.5 GB. * Witness Printer took 165.43 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == \old(a21)) || ((1 == a7 && a17 <= 0) && (!(a16 == 6) && 1 == a21) && !(a8 == 13))) || !(1 == \old(a20))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a7 <= 0)) || ((1 == a7 && (1 == a20 && !(a16 == 6)) && 1 == a21) && 1 == a17)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && 1 == a17)) || (((1 == a21 && !(a8 == 13)) && a7 <= 0) && a17 <= 0)) || (((1 == a20 && 1 == a21) && a7 <= 0) && 1 == a17)) || 0 < \old(a7)) || 6 == \old(a16)) || 13 == \old(a8)) || ((a21 <= 0 && !(a16 == 6)) && a17 <= 0)) || !(1 == \old(a17))) || 4 == \old(a16)) || ((a21 <= 0 && 1 == a20) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 19.0s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 10.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 770 SDtfs, 6358 SDslu, 1081 SDs, 0 SdLazy, 9159 SolverSat, 2179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 802 GetRequests, 709 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7690occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 828 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 171 PreInvPairs, 297 NumberOfFragments, 707 HoareAnnotationTreeSize, 171 FomulaSimplifications, 54342 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 29164 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1797 NumberOfCodeBlocks, 1797 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1785 ConstructedInterpolants, 0 QuantifiedInterpolants, 694435 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1917 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 597/768 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...