./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_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_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/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 16d1e07abe3d8baa61b9a8d494202a7664f873bb ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:43:50,552 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:43:50,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:43:50,562 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:43:50,562 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:43:50,563 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:43:50,564 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:43:50,565 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:43:50,567 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:43:50,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:43:50,568 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:43:50,568 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:43:50,569 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:43:50,569 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:43:50,570 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:43:50,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:43:50,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:43:50,573 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:43:50,575 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:43:50,576 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:43:50,577 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:43:50,578 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:43:50,579 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:43:50,580 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:43:50,580 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:43:50,581 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:43:50,581 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:43:50,582 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:43:50,582 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:43:50,584 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:43:50,584 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:43:50,585 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:43:50,585 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:43:50,585 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:43:50,586 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:43:50,586 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:43:50,586 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 14:43:50,596 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:43:50,596 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:43:50,597 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:43:50,597 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 14:43:50,597 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:43:50,598 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:43:50,598 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:43:50,598 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:43:50,598 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:43:50,598 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:43:50,598 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:43:50,598 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:43:50,599 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:43:50,599 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:43:50,599 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:43:50,599 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:43:50,599 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:43:50,599 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:43:50,599 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:43:50,599 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:43:50,600 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:43:50,600 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:43:50,600 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:43:50,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:43:50,600 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:43:50,600 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:43:50,600 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:43:50,600 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:43:50,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:43:50,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:43:50,601 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_a98b3467-f307-401a-ac4e-9eaf93c22337/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 -> 16d1e07abe3d8baa61b9a8d494202a7664f873bb [2018-11-18 14:43:50,623 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:43:50,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:43:50,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:43:50,636 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:43:50,636 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:43:50,636 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-18 14:43:50,676 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/data/fc68caf77/2abfbbe126a34d0d87618f95b952d0b6/FLAG1171ff30d [2018-11-18 14:43:51,052 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:43:51,053 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-18 14:43:51,061 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/data/fc68caf77/2abfbbe126a34d0d87618f95b952d0b6/FLAG1171ff30d [2018-11-18 14:43:51,434 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/data/fc68caf77/2abfbbe126a34d0d87618f95b952d0b6 [2018-11-18 14:43:51,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:43:51,437 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 14:43:51,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:43:51,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:43:51,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:43:51,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:43:51" (1/1) ... [2018-11-18 14:43:51,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d293ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51, skipping insertion in model container [2018-11-18 14:43:51,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:43:51" (1/1) ... [2018-11-18 14:43:51,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:43:51,485 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:43:51,746 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:43:51,750 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:43:51,817 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:43:51,830 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:43:51,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51 WrapperNode [2018-11-18 14:43:51,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:43:51,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:43:51,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:43:51,831 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:43:51,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51" (1/1) ... [2018-11-18 14:43:51,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51" (1/1) ... [2018-11-18 14:43:51,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51" (1/1) ... [2018-11-18 14:43:51,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51" (1/1) ... [2018-11-18 14:43:51,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51" (1/1) ... [2018-11-18 14:43:51,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51" (1/1) ... [2018-11-18 14:43:51,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51" (1/1) ... [2018-11-18 14:43:51,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:43:51,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:43:51,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:43:51,941 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:43:51,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:43:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:43:51,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:43:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:43:51,979 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:43:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:43:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 14:43:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 14:43:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:43:51,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:43:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:43:51,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:43:52,719 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:43:52,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:43:52 BoogieIcfgContainer [2018-11-18 14:43:52,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:43:52,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:43:52,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:43:52,724 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:43:52,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:43:51" (1/3) ... [2018-11-18 14:43:52,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f165fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:43:52, skipping insertion in model container [2018-11-18 14:43:52,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:43:51" (2/3) ... [2018-11-18 14:43:52,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f165fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:43:52, skipping insertion in model container [2018-11-18 14:43:52,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:43:52" (3/3) ... [2018-11-18 14:43:52,727 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-11-18 14:43:52,733 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:43:52,740 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:43:52,748 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:43:52,769 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:43:52,770 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:43:52,770 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:43:52,770 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:43:52,770 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:43:52,770 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:43:52,770 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:43:52,770 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:43:52,771 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:43:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 14:43:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 14:43:52,794 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:52,795 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:52,797 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:52,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:52,801 INFO L82 PathProgramCache]: Analyzing trace with hash -682702232, now seen corresponding path program 1 times [2018-11-18 14:43:52,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:52,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:52,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:52,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:52,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:43:53,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:53,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:43:53,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:43:53,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:43:53,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:43:53,113 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 14:43:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:53,724 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 14:43:53,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:43:53,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-11-18 14:43:53,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:53,735 INFO L225 Difference]: With dead ends: 550 [2018-11-18 14:43:53,736 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 14:43:53,740 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 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 14:43:53,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 14:43:53,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 14:43:53,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 14:43:53,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-11-18 14:43:53,788 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 120 [2018-11-18 14:43:53,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:53,789 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-11-18 14:43:53,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:43:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-11-18 14:43:53,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 14:43:53,793 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:53,793 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:53,793 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:53,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:53,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1009333063, now seen corresponding path program 1 times [2018-11-18 14:43:53,794 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:53,794 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:53,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:53,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:53,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:53,886 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 14:43:53,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:53,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:43:53,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:43:53,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:43:53,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:43:53,889 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-11-18 14:43:54,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:54,537 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-11-18 14:43:54,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:43:54,539 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-18 14:43:54,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:54,545 INFO L225 Difference]: With dead ends: 1075 [2018-11-18 14:43:54,545 INFO L226 Difference]: Without dead ends: 741 [2018-11-18 14:43:54,548 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:43:54,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-18 14:43:54,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-18 14:43:54,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-18 14:43:54,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-11-18 14:43:54,575 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 131 [2018-11-18 14:43:54,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:54,575 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-11-18 14:43:54,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:43:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-11-18 14:43:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 14:43:54,579 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:54,579 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:54,579 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:54,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:54,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1121563035, now seen corresponding path program 1 times [2018-11-18 14:43:54,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:54,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:54,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:54,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:54,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:54,797 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 14:43:54,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:54,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:43:54,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:43:54,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:43:54,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:43:54,799 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 5 states. [2018-11-18 14:43:55,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:55,287 INFO L93 Difference]: Finished difference Result 1578 states and 2533 transitions. [2018-11-18 14:43:55,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:43:55,287 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2018-11-18 14:43:55,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:55,290 INFO L225 Difference]: With dead ends: 1578 [2018-11-18 14:43:55,290 INFO L226 Difference]: Without dead ends: 721 [2018-11-18 14:43:55,292 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:43:55,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-18 14:43:55,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-18 14:43:55,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-18 14:43:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1069 transitions. [2018-11-18 14:43:55,312 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1069 transitions. Word has length 132 [2018-11-18 14:43:55,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:55,313 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 1069 transitions. [2018-11-18 14:43:55,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:43:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1069 transitions. [2018-11-18 14:43:55,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 14:43:55,315 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:55,315 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:55,316 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:55,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:55,316 INFO L82 PathProgramCache]: Analyzing trace with hash 915740739, now seen corresponding path program 1 times [2018-11-18 14:43:55,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:55,316 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:55,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:55,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:55,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:43:55,523 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:55,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:43:55,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:43:55,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:43:55,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:43:55,524 INFO L87 Difference]: Start difference. First operand 721 states and 1069 transitions. Second operand 5 states. [2018-11-18 14:43:55,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:55,939 INFO L93 Difference]: Finished difference Result 1572 states and 2365 transitions. [2018-11-18 14:43:55,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:43:55,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-18 14:43:55,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:55,942 INFO L225 Difference]: With dead ends: 1572 [2018-11-18 14:43:55,943 INFO L226 Difference]: Without dead ends: 720 [2018-11-18 14:43:55,944 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:43:55,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2018-11-18 14:43:55,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2018-11-18 14:43:55,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-18 14:43:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 1062 transitions. [2018-11-18 14:43:55,956 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 1062 transitions. Word has length 133 [2018-11-18 14:43:55,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:55,957 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 1062 transitions. [2018-11-18 14:43:55,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:43:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1062 transitions. [2018-11-18 14:43:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 14:43:55,958 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:55,958 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:55,958 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:55,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:55,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1024180077, now seen corresponding path program 1 times [2018-11-18 14:43:55,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:55,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:55,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:55,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:55,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:56,034 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:43:56,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:43:56,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:43:56,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:43:56,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:43:56,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:43:56,036 INFO L87 Difference]: Start difference. First operand 720 states and 1062 transitions. Second operand 3 states. [2018-11-18 14:43:56,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:56,340 INFO L93 Difference]: Finished difference Result 1882 states and 2820 transitions. [2018-11-18 14:43:56,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:43:56,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2018-11-18 14:43:56,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:56,345 INFO L225 Difference]: With dead ends: 1882 [2018-11-18 14:43:56,345 INFO L226 Difference]: Without dead ends: 1168 [2018-11-18 14:43:56,347 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 14:43:56,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2018-11-18 14:43:56,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1164. [2018-11-18 14:43:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2018-11-18 14:43:56,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1592 transitions. [2018-11-18 14:43:56,364 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1592 transitions. Word has length 136 [2018-11-18 14:43:56,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:56,365 INFO L480 AbstractCegarLoop]: Abstraction has 1164 states and 1592 transitions. [2018-11-18 14:43:56,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:43:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1592 transitions. [2018-11-18 14:43:56,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 14:43:56,368 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:56,368 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:56,369 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:56,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:56,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1336149662, now seen corresponding path program 1 times [2018-11-18 14:43:56,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:56,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:56,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:56,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:56,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:56,471 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 14:43:56,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:56,472 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:43:56,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:56,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:56,619 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 14:43:56,636 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:43:56,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-18 14:43:56,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:43:56,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:43:56,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:43:56,637 INFO L87 Difference]: Start difference. First operand 1164 states and 1592 transitions. Second operand 8 states. [2018-11-18 14:43:57,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:57,849 INFO L93 Difference]: Finished difference Result 3854 states and 5787 transitions. [2018-11-18 14:43:57,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 14:43:57,849 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 168 [2018-11-18 14:43:57,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:57,859 INFO L225 Difference]: With dead ends: 3854 [2018-11-18 14:43:57,859 INFO L226 Difference]: Without dead ends: 2696 [2018-11-18 14:43:57,865 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-18 14:43:57,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2018-11-18 14:43:57,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2309. [2018-11-18 14:43:57,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2309 states. [2018-11-18 14:43:57,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3046 transitions. [2018-11-18 14:43:57,942 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3046 transitions. Word has length 168 [2018-11-18 14:43:57,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:57,942 INFO L480 AbstractCegarLoop]: Abstraction has 2309 states and 3046 transitions. [2018-11-18 14:43:57,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:43:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3046 transitions. [2018-11-18 14:43:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 14:43:57,947 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:57,947 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:57,948 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:57,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:57,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1442149084, now seen corresponding path program 1 times [2018-11-18 14:43:57,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:57,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:57,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:57,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:57,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:58,047 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 14:43:58,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:58,047 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:43:58,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:58,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:58,149 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 14:43:58,165 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:43:58,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-18 14:43:58,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:43:58,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:43:58,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:43:58,166 INFO L87 Difference]: Start difference. First operand 2309 states and 3046 transitions. Second operand 8 states. [2018-11-18 14:43:59,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:43:59,211 INFO L93 Difference]: Finished difference Result 7646 states and 10775 transitions. [2018-11-18 14:43:59,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 14:43:59,211 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 188 [2018-11-18 14:43:59,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:43:59,225 INFO L225 Difference]: With dead ends: 7646 [2018-11-18 14:43:59,225 INFO L226 Difference]: Without dead ends: 5343 [2018-11-18 14:43:59,232 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2018-11-18 14:43:59,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5343 states. [2018-11-18 14:43:59,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5343 to 5232. [2018-11-18 14:43:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5232 states. [2018-11-18 14:43:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 6622 transitions. [2018-11-18 14:43:59,309 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 6622 transitions. Word has length 188 [2018-11-18 14:43:59,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:43:59,309 INFO L480 AbstractCegarLoop]: Abstraction has 5232 states and 6622 transitions. [2018-11-18 14:43:59,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:43:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 6622 transitions. [2018-11-18 14:43:59,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 14:43:59,318 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:43:59,318 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:43:59,318 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:43:59,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:43:59,318 INFO L82 PathProgramCache]: Analyzing trace with hash 297301997, now seen corresponding path program 1 times [2018-11-18 14:43:59,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:43:59,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:43:59,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:59,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:59,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:43:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:59,439 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 151 proven. 69 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 14:43:59,439 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:43:59,439 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/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 14:43:59,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:43:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:43:59,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:43:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 14:43:59,566 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:43:59,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2018-11-18 14:43:59,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 14:43:59,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 14:43:59,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 14:43:59,567 INFO L87 Difference]: Start difference. First operand 5232 states and 6622 transitions. Second operand 11 states. [2018-11-18 14:44:00,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:00,542 INFO L93 Difference]: Finished difference Result 8792 states and 11121 transitions. [2018-11-18 14:44:00,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 14:44:00,543 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 245 [2018-11-18 14:44:00,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:00,543 INFO L225 Difference]: With dead ends: 8792 [2018-11-18 14:44:00,543 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:44:00,554 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2018-11-18 14:44:00,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:44:00,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:44:00,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:44:00,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:44:00,555 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 245 [2018-11-18 14:44:00,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:00,555 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:44:00,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 14:44:00,555 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:44:00,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:44:00,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:44:00,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:00,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:01,102 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2018-11-18 14:44:01,271 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2018-11-18 14:44:01,434 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2018-11-18 14:44:01,435 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:44:01,435 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 14:44:01,436 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,437 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 14:44:01,438 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,439 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 14:44:01,440 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,441 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 14:44:01,442 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 14:44:01,443 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 14:44:01,444 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 14:44:01,445 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse11 (= 13 |old(~a8~0)|)) (.cse22 (= 1 |old(~a7~0)|))) (let ((.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse2 (< 0 |old(~a7~0)|)) (.cse12 (not (= ~a8~0 13))) (.cse4 (= ~a17~0 |old(~a17~0)|)) (.cse5 (<= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a20~0 |old(~a20~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse14 (= 1 ~a7~0)) (.cse13 (not .cse22)) (.cse16 (not (= 1 |old(~a21~0)|))) (.cse8 (not (= 1 |old(~a20~0)|))) (.cse17 (not (= 4 |old(~a16~0)|))) (.cse1 (not (= 8 ~a12~0))) (.cse18 (= 1 ~a20~0)) (.cse19 (= 13 ~a8~0)) (.cse6 (= |old(~a16~0)| ~a16~0)) (.cse20 (= 1 ~a21~0)) (.cse9 (= 1 ~a17~0)) (.cse21 (not .cse11)) (.cse10 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7)) (or .cse8 (and .cse3 .cse5 .cse6 .cse7 .cse9) .cse1 .cse2 .cse10) (or .cse11 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse12) .cse1 .cse2) (or .cse0 .cse11 .cse1 .cse13 (and .cse14 .cse4 .cse5 .cse6 .cse7 .cse12)) (or (and .cse14 (and .cse4 .cse5 .cse6) .cse7) .cse13 (let ((.cse15 (< 0 |old(~a21~0)|))) (and (or .cse0 .cse1 .cse15) (or .cse8 .cse1 .cse15)))) (or .cse16 .cse8 .cse17 (and .cse14 .cse18 .cse19 .cse6 .cse20 .cse9) .cse1 .cse13 .cse21 .cse10) (or .cse16 .cse22 .cse8 .cse17 .cse1 (and (not (= ~a7~0 1)) .cse18 .cse19 .cse6 .cse20 .cse9) .cse21 .cse10)))) [2018-11-18 14:44:01,445 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 14:44:01,445 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,445 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,445 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,445 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,445 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 14:44:01,445 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,445 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,445 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,446 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 14:44:01,447 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 14:44:01,448 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 14:44:01,449 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 14:44:01,449 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:44:01,449 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= ~a12~0 8) (<= ~a7~0 0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-11-18 14:44:01,449 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:44:01,449 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:44:01,449 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (and (= |old(~a16~0)| ~a16~0) (not (= ~a8~0 13)) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 8 ~a12~0)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-18 14:44:01,449 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 14:44:01,449 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse5 (not (= ~a8~0 13))) (.cse2 (= 1 ~a20~0)) (.cse6 (<= ~a7~0 0)) (.cse4 (= 1 ~a17~0))) (or (and .cse0 (let ((.cse1 (<= ~a21~0 0))) (or (and .cse1 .cse2) (and .cse1 .cse3)))) (and .cse2 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) .cse4) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse3 .cse5) (and .cse3 .cse6) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (and .cse5 .cse6) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|)) (and .cse2 .cse6 .cse4))) [2018-11-18 14:44:01,449 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 14:44:01,449 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 14:44:01,449 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 14:44:01,450 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse5 (not (= ~a8~0 13))) (.cse2 (= 1 ~a20~0)) (.cse6 (<= ~a7~0 0)) (.cse4 (= 1 ~a17~0))) (or (and .cse0 (let ((.cse1 (<= ~a21~0 0))) (or (and .cse1 .cse2) (and .cse1 .cse3)))) (and .cse2 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) .cse4) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse3 .cse5) (and .cse3 .cse6) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (and .cse5 .cse6) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|)) (and .cse2 .cse6 .cse4))) [2018-11-18 14:44:01,450 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 14:44:01,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:44:01 BoogieIcfgContainer [2018-11-18 14:44:01,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:44:01,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:44:01,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:44:01,468 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:44:01,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:43:52" (3/4) ... [2018-11-18 14:44:01,474 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:44:01,479 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:44:01,479 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:44:01,479 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:44:01,488 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:44:01,488 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:44:01,509 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6)))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || 0 < \old(a7)) || 6 == \old(a16)) || (!(a8 == 13) && a7 <= 0)) || 13 == \old(a8)) || !(1 == \old(a17))) || ((1 == a20 && a7 <= 0) && 1 == a17) [2018-11-18 14:44:01,583 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a98b3467-f307-401a-ac4e-9eaf93c22337/bin-2019/uautomizer/witness.graphml [2018-11-18 14:44:01,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:44:01,584 INFO L168 Benchmark]: Toolchain (without parser) took 10147.25 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 390.1 MB). Free memory was 951.2 MB in the beginning and 932.1 MB in the end (delta: 19.1 MB). Peak memory consumption was 409.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:01,584 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:44:01,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.88 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 916.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:01,585 INFO L168 Benchmark]: Boogie Preprocessor took 109.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -213.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:01,585 INFO L168 Benchmark]: RCFGBuilder took 778.77 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: 103.4 MB). Peak memory consumption was 103.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:01,585 INFO L168 Benchmark]: TraceAbstraction took 8746.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.8 MB). Free memory was 1.0 GB in the beginning and 953.0 MB in the end (delta: 73.0 MB). Peak memory consumption was 326.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:01,586 INFO L168 Benchmark]: Witness Printer took 115.39 ms. Allocated memory is still 1.4 GB. Free memory was 953.0 MB in the beginning and 932.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:01,587 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.88 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 916.3 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 916.3 MB in the beginning and 1.1 GB in the end (delta: -213.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 778.77 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: 103.4 MB). Peak memory consumption was 103.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8746.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.8 MB). Free memory was 1.0 GB in the beginning and 953.0 MB in the end (delta: 73.0 MB). Peak memory consumption was 326.7 MB. Max. memory is 11.5 GB. * Witness Printer took 115.39 ms. Allocated memory is still 1.4 GB. Free memory was 953.0 MB in the beginning and 932.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: 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 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6)))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || 0 < \old(a7)) || 6 == \old(a16)) || (!(a8 == 13) && a7 <= 0)) || 13 == \old(a8)) || !(1 == \old(a17))) || ((1 == a20 && a7 <= 0) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 8.6s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 5.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 741 SDtfs, 7089 SDslu, 949 SDs, 0 SdLazy, 7776 SolverSat, 1681 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 723 GetRequests, 637 SyntacticMatches, 9 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5232occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 519 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 109 PreInvPairs, 185 NumberOfFragments, 548 HoareAnnotationTreeSize, 109 FomulaSimplifications, 8864 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2089 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1854 NumberOfCodeBlocks, 1854 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1843 ConstructedInterpolants, 0 QuantifiedInterpolants, 1261428 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1606 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 652/808 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...