./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/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 38eca36787df6152c26f941ea8052099b3b63076 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:56:27,573 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:56:27,574 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:56:27,583 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:56:27,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:56:27,584 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:56:27,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:56:27,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:56:27,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:56:27,587 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:56:27,588 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:56:27,588 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:56:27,589 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:56:27,590 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:56:27,590 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:56:27,591 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:56:27,591 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:56:27,593 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:56:27,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:56:27,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:56:27,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:56:27,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:56:27,598 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:56:27,598 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:56:27,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:56:27,599 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:56:27,599 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:56:27,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:56:27,601 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:56:27,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:56:27,601 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:56:27,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:56:27,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:56:27,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:56:27,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:56:27,603 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:56:27,604 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 15:56:27,613 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:56:27,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:56:27,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:56:27,614 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:56:27,615 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:56:27,615 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:56:27,615 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:56:27,615 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:56:27,615 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:56:27,616 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:56:27,616 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:56:27,616 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:56:27,616 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:56:27,616 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:56:27,616 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:56:27,616 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:56:27,617 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:56:27,617 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:56:27,617 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:56:27,617 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:56:27,617 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:56:27,617 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:56:27,618 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:56:27,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:56:27,618 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:56:27,618 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:56:27,618 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:56:27,618 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:56:27,618 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:56:27,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:56:27,619 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_91346184-2eee-4b10-b110-61f3660c5683/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 -> 38eca36787df6152c26f941ea8052099b3b63076 [2018-11-18 15:56:27,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:56:27,647 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:56:27,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:56:27,650 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:56:27,650 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:56:27,651 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-11-18 15:56:27,696 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/data/6fcb2d26e/e7100aa4d19446609843676e31ef36f3/FLAGee4dac92c [2018-11-18 15:56:28,144 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:56:28,144 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/sv-benchmarks/c/eca-rers2012/Problem10_label11_true-unreach-call.c [2018-11-18 15:56:28,153 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/data/6fcb2d26e/e7100aa4d19446609843676e31ef36f3/FLAGee4dac92c [2018-11-18 15:56:28,166 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/data/6fcb2d26e/e7100aa4d19446609843676e31ef36f3 [2018-11-18 15:56:28,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:56:28,169 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:56:28,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:56:28,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:56:28,173 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:56:28,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:56:28" (1/1) ... [2018-11-18 15:56:28,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e32060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28, skipping insertion in model container [2018-11-18 15:56:28,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:56:28" (1/1) ... [2018-11-18 15:56:28,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:56:28,216 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:56:28,443 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:56:28,445 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:56:28,512 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:56:28,525 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:56:28,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28 WrapperNode [2018-11-18 15:56:28,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:56:28,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:56:28,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:56:28,526 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:56:28,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28" (1/1) ... [2018-11-18 15:56:28,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28" (1/1) ... [2018-11-18 15:56:28,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28" (1/1) ... [2018-11-18 15:56:28,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28" (1/1) ... [2018-11-18 15:56:28,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28" (1/1) ... [2018-11-18 15:56:28,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28" (1/1) ... [2018-11-18 15:56:28,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28" (1/1) ... [2018-11-18 15:56:28,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:56:28,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:56:28,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:56:28,635 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:56:28,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/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 15:56:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:56:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:56:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 15:56:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:56:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 15:56:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 15:56:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 15:56:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:56:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:56:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:56:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:56:29,623 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:56:29,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:56:29 BoogieIcfgContainer [2018-11-18 15:56:29,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:56:29,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:56:29,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:56:29,627 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:56:29,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:56:28" (1/3) ... [2018-11-18 15:56:29,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae35545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:56:29, skipping insertion in model container [2018-11-18 15:56:29,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:56:28" (2/3) ... [2018-11-18 15:56:29,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae35545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:56:29, skipping insertion in model container [2018-11-18 15:56:29,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:56:29" (3/3) ... [2018-11-18 15:56:29,631 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label11_true-unreach-call.c [2018-11-18 15:56:29,637 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:56:29,643 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:56:29,652 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:56:29,674 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:56:29,675 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:56:29,675 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:56:29,675 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:56:29,675 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:56:29,675 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:56:29,675 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:56:29,675 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:56:29,676 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:56:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 15:56:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 15:56:29,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:56:29,700 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] [2018-11-18 15:56:29,702 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:56:29,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:56:29,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1604912700, now seen corresponding path program 1 times [2018-11-18 15:56:29,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:56:29,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:56:29,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:29,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:29,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:29,936 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 15:56:29,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:56:29,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:56:29,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:56:29,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:56:29,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:56:29,952 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-18 15:56:30,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:56:30,605 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-18 15:56:30,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:56:30,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-11-18 15:56:30,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:56:30,618 INFO L225 Difference]: With dead ends: 574 [2018-11-18 15:56:30,618 INFO L226 Difference]: Without dead ends: 356 [2018-11-18 15:56:30,623 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 15:56:30,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-18 15:56:30,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-18 15:56:30,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 15:56:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-18 15:56:30,671 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 68 [2018-11-18 15:56:30,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:56:30,671 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-18 15:56:30,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:56:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-18 15:56:30,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 15:56:30,677 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:56:30,678 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 15:56:30,678 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:56:30,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:56:30,678 INFO L82 PathProgramCache]: Analyzing trace with hash 633419456, now seen corresponding path program 1 times [2018-11-18 15:56:30,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:56:30,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:56:30,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:30,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:30,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:56:30,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:56:30,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:56:30,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:56:30,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:56:30,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:56:30,896 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-18 15:56:31,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:56:31,867 INFO L93 Difference]: Finished difference Result 1140 states and 2022 transitions. [2018-11-18 15:56:31,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:56:31,870 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 188 [2018-11-18 15:56:31,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:56:31,875 INFO L225 Difference]: With dead ends: 1140 [2018-11-18 15:56:31,875 INFO L226 Difference]: Without dead ends: 790 [2018-11-18 15:56:31,877 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:56:31,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-11-18 15:56:31,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2018-11-18 15:56:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-11-18 15:56:31,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1300 transitions. [2018-11-18 15:56:31,902 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1300 transitions. Word has length 188 [2018-11-18 15:56:31,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:56:31,903 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 1300 transitions. [2018-11-18 15:56:31,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:56:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1300 transitions. [2018-11-18 15:56:31,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 15:56:31,905 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:56:31,905 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:56:31,906 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:56:31,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:56:31,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1277434075, now seen corresponding path program 1 times [2018-11-18 15:56:31,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:56:31,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:56:31,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:31,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:31,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:56:32,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:56:32,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:56:32,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:56:32,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:56:32,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:56:32,103 INFO L87 Difference]: Start difference. First operand 784 states and 1300 transitions. Second operand 6 states. [2018-11-18 15:56:32,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:56:32,975 INFO L93 Difference]: Finished difference Result 1975 states and 3367 transitions. [2018-11-18 15:56:32,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:56:32,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2018-11-18 15:56:32,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:56:32,981 INFO L225 Difference]: With dead ends: 1975 [2018-11-18 15:56:32,981 INFO L226 Difference]: Without dead ends: 1197 [2018-11-18 15:56:32,984 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 15:56:32,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2018-11-18 15:56:33,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1177. [2018-11-18 15:56:33,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1177 states. [2018-11-18 15:56:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1754 transitions. [2018-11-18 15:56:33,011 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1754 transitions. Word has length 195 [2018-11-18 15:56:33,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:56:33,012 INFO L480 AbstractCegarLoop]: Abstraction has 1177 states and 1754 transitions. [2018-11-18 15:56:33,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:56:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1754 transitions. [2018-11-18 15:56:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-18 15:56:33,016 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:56:33,017 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:56:33,017 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:56:33,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:56:33,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1200598705, now seen corresponding path program 1 times [2018-11-18 15:56:33,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:56:33,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:56:33,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:33,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:33,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:33,405 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:56:33,406 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:56:33,406 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/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 15:56:33,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:33,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:56:33,705 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:56:33,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 16 [2018-11-18 15:56:33,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 15:56:33,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 15:56:33,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-11-18 15:56:33,706 INFO L87 Difference]: Start difference. First operand 1177 states and 1754 transitions. Second operand 16 states. [2018-11-18 15:56:36,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:56:36,784 INFO L93 Difference]: Finished difference Result 3810 states and 6145 transitions. [2018-11-18 15:56:36,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-18 15:56:36,784 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 259 [2018-11-18 15:56:36,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:56:36,794 INFO L225 Difference]: With dead ends: 3810 [2018-11-18 15:56:36,794 INFO L226 Difference]: Without dead ends: 2639 [2018-11-18 15:56:36,801 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=607, Invalid=2045, Unknown=0, NotChecked=0, Total=2652 [2018-11-18 15:56:36,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2018-11-18 15:56:36,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2321. [2018-11-18 15:56:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2321 states. [2018-11-18 15:56:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 3108 transitions. [2018-11-18 15:56:36,850 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 3108 transitions. Word has length 259 [2018-11-18 15:56:36,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:56:36,851 INFO L480 AbstractCegarLoop]: Abstraction has 2321 states and 3108 transitions. [2018-11-18 15:56:36,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 15:56:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3108 transitions. [2018-11-18 15:56:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 15:56:36,855 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:56:36,856 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 15:56:36,856 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:56:36,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:56:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1468713688, now seen corresponding path program 1 times [2018-11-18 15:56:36,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:56:36,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:56:36,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:36,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:36,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:36,991 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:56:36,992 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:56:36,992 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/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 15:56:36,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:37,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:56:37,159 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:56:37,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 15:56:37,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:56:37,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:56:37,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:56:37,160 INFO L87 Difference]: Start difference. First operand 2321 states and 3108 transitions. Second operand 9 states. [2018-11-18 15:56:38,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:56:38,413 INFO L93 Difference]: Finished difference Result 6950 states and 10487 transitions. [2018-11-18 15:56:38,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:56:38,414 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 274 [2018-11-18 15:56:38,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:56:38,422 INFO L225 Difference]: With dead ends: 6950 [2018-11-18 15:56:38,422 INFO L226 Difference]: Without dead ends: 1803 [2018-11-18 15:56:38,459 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2018-11-18 15:56:38,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2018-11-18 15:56:38,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1637. [2018-11-18 15:56:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2018-11-18 15:56:38,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2042 transitions. [2018-11-18 15:56:38,506 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2042 transitions. Word has length 274 [2018-11-18 15:56:38,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:56:38,506 INFO L480 AbstractCegarLoop]: Abstraction has 1637 states and 2042 transitions. [2018-11-18 15:56:38,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:56:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2042 transitions. [2018-11-18 15:56:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 15:56:38,513 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:56:38,513 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:38,514 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:56:38,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:56:38,514 INFO L82 PathProgramCache]: Analyzing trace with hash -220726540, now seen corresponding path program 1 times [2018-11-18 15:56:38,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:56:38,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:56:38,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:38,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:38,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:38,645 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 122 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:56:38,645 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:56:38,645 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/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 15:56:38,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:38,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:38,782 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 15:56:38,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:56:38,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-18 15:56:38,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:56:38,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:56:38,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:56:38,800 INFO L87 Difference]: Start difference. First operand 1637 states and 2042 transitions. Second operand 9 states. [2018-11-18 15:56:39,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:56:39,154 INFO L93 Difference]: Finished difference Result 2809 states and 3511 transitions. [2018-11-18 15:56:39,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:56:39,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 284 [2018-11-18 15:56:39,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:56:39,159 INFO L225 Difference]: With dead ends: 2809 [2018-11-18 15:56:39,159 INFO L226 Difference]: Without dead ends: 1478 [2018-11-18 15:56:39,160 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 286 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:56:39,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2018-11-18 15:56:39,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1451. [2018-11-18 15:56:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1451 states. [2018-11-18 15:56:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1704 transitions. [2018-11-18 15:56:39,178 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1704 transitions. Word has length 284 [2018-11-18 15:56:39,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:56:39,179 INFO L480 AbstractCegarLoop]: Abstraction has 1451 states and 1704 transitions. [2018-11-18 15:56:39,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:56:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1704 transitions. [2018-11-18 15:56:39,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-11-18 15:56:39,184 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:56:39,184 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:56:39,184 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:56:39,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:56:39,184 INFO L82 PathProgramCache]: Analyzing trace with hash -341971068, now seen corresponding path program 1 times [2018-11-18 15:56:39,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:56:39,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:56:39,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:39,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:39,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:56:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 315 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:56:39,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:56:39,688 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:56:39,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:56:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:56:39,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:56:50,451 WARN L180 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-11-18 15:56:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 15:56:50,648 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:56:50,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 23 [2018-11-18 15:56:50,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-18 15:56:50,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-18 15:56:50,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2018-11-18 15:56:50,650 INFO L87 Difference]: Start difference. First operand 1451 states and 1704 transitions. Second operand 23 states. [2018-11-18 15:57:07,242 WARN L180 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-11-18 15:57:15,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:15,008 INFO L93 Difference]: Finished difference Result 6749 states and 9265 transitions. [2018-11-18 15:57:15,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-11-18 15:57:15,008 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 382 [2018-11-18 15:57:15,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:15,019 INFO L225 Difference]: With dead ends: 6749 [2018-11-18 15:57:15,019 INFO L226 Difference]: Without dead ends: 4353 [2018-11-18 15:57:15,025 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 400 SyntacticMatches, 3 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6500 ImplicationChecksByTransitivity, 24.5s TimeCoverageRelationStatistics Valid=2868, Invalid=14424, Unknown=0, NotChecked=0, Total=17292 [2018-11-18 15:57:15,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4353 states. [2018-11-18 15:57:15,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4353 to 3653. [2018-11-18 15:57:15,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3653 states. [2018-11-18 15:57:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3653 states to 3653 states and 4424 transitions. [2018-11-18 15:57:15,089 INFO L78 Accepts]: Start accepts. Automaton has 3653 states and 4424 transitions. Word has length 382 [2018-11-18 15:57:15,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:15,090 INFO L480 AbstractCegarLoop]: Abstraction has 3653 states and 4424 transitions. [2018-11-18 15:57:15,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-18 15:57:15,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3653 states and 4424 transitions. [2018-11-18 15:57:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-11-18 15:57:15,094 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:15,095 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:15,095 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:15,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:15,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1553693176, now seen corresponding path program 1 times [2018-11-18 15:57:15,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:57:15,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:57:15,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:15,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:15,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-18 15:57:15,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:15,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:57:15,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:57:15,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:57:15,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:57:15,234 INFO L87 Difference]: Start difference. First operand 3653 states and 4424 transitions. Second operand 4 states. [2018-11-18 15:57:15,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:15,674 INFO L93 Difference]: Finished difference Result 6859 states and 8359 transitions. [2018-11-18 15:57:15,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:57:15,675 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 396 [2018-11-18 15:57:15,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:15,675 INFO L225 Difference]: With dead ends: 6859 [2018-11-18 15:57:15,675 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:57:15,680 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:57:15,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:57:15,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:57:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:57:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:57:15,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 396 [2018-11-18 15:57:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:15,681 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:57:15,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:57:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:57:15,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:57:15,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:57:15,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,918 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 202 [2018-11-18 15:57:15,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:15,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:16,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:16,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:16,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:16,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:16,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:16,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:16,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:16,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:57:16,070 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 202 [2018-11-18 15:57:16,486 WARN L180 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 50 [2018-11-18 15:57:16,756 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 52 [2018-11-18 15:57:17,035 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 52 [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 15:57:17,037 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 15:57:17,038 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 15:57:17,038 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 15:57:17,038 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 15:57:17,038 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 15:57:17,038 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,038 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,038 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,038 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,038 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,042 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 15:57:17,042 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 15:57:17,042 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 15:57:17,042 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 15:57:17,042 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 15:57:17,043 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 15:57:17,044 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,045 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 15:57:17,046 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 15:57:17,047 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,048 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 15:57:17,049 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse12 (= ~a1~0 |old(~a1~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|)) (.cse11 (= |old(~a10~0)| ~a10~0))) (let ((.cse2 (< 2 |old(~a10~0)|)) (.cse6 (and .cse12 .cse10 .cse11)) (.cse8 (not (= 9 |old(~a19~0)|))) (.cse5 (= 6 |old(~a19~0)|)) (.cse4 (= 1 |old(~a10~0)|)) (.cse7 (not (= 4 |old(~a10~0)|))) (.cse9 (< 8 |old(~a19~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse3 (and .cse10 .cse11 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse7 .cse0 .cse1 .cse8) (or .cse6 .cse0 .cse1 .cse8 (not (= 3 |old(~a10~0)|))) (or .cse9 .cse0 .cse1 .cse5 .cse3) (or .cse3 .cse9 .cse0 .cse1 (<= (+ |old(~a1~0)| 13) 0) .cse4) (or .cse7 .cse9 .cse0 .cse1 .cse3)))) [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 15:57:17,050 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 15:57:17,051 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 15:57:17,052 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:57:17,053 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (<= ~a10~0 2) (= ~a12~0 0) (not (= ~a10~0 1)) (= ~a4~0 14) (= 9 ~a19~0)) [2018-11-18 15:57:17,053 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:57:17,053 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:57:17,054 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (< 2 |old(~a10~0)|) (and (<= ~a1~0 23) (<= |old(~a1~0)| ~a1~0) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-11-18 15:57:17,054 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 15:57:17,054 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse2 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2)) (.cse1 (not (= ~a10~0 1)))) (or (< |old(~a1~0)| 23) (and (and .cse0 .cse1) (< 0 (+ ~a1~0 13))) (and .cse2 .cse0) (not (= 0 ~a12~0)) (and .cse2 .cse3) (< 23 |old(~a1~0)|) (not (= 9 |old(~a19~0)|)) (= 1 |old(~a10~0)|) (and (= 3 ~a10~0) (= 9 ~a19~0)) (not (= 14 ~a4~0)) (and (= 4 ~a10~0) (<= ~a19~0 9)) (< 2 |old(~a10~0)|) (and .cse3 .cse1))) [2018-11-18 15:57:17,054 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 15:57:17,054 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 15:57:17,054 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 15:57:17,054 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 8)) (.cse2 (not (= ~a19~0 6))) (.cse3 (<= ~a10~0 2)) (.cse1 (not (= ~a10~0 1)))) (or (< |old(~a1~0)| 23) (and (and .cse0 .cse1) (< 0 (+ ~a1~0 13))) (and .cse2 .cse0) (not (= 0 ~a12~0)) (and .cse2 .cse3) (< 23 |old(~a1~0)|) (not (= 9 |old(~a19~0)|)) (= 1 |old(~a10~0)|) (and (= 3 ~a10~0) (= 9 ~a19~0)) (not (= 14 ~a4~0)) (and (= 4 ~a10~0) (<= ~a19~0 9)) (< 2 |old(~a10~0)|) (and .cse3 .cse1))) [2018-11-18 15:57:17,055 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 15:57:17,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:57:17 BoogieIcfgContainer [2018-11-18 15:57:17,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:57:17,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:57:17,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:57:17,067 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:57:17,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:56:29" (3/4) ... [2018-11-18 15:57:17,070 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:57:17,079 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:57:17,079 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 15:57:17,080 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:57:17,088 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 15:57:17,088 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 15:57:17,108 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\old(a1) < 23 || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || (!(a19 == 6) && a10 <= 2)) || 23 < \old(a1)) || !(9 == \old(a19))) || 1 == \old(a10)) || (3 == a10 && 9 == a19)) || !(14 == a4)) || (4 == a10 && a19 <= 9)) || 2 < \old(a10)) || (a10 <= 2 && !(a10 == 1)) [2018-11-18 15:57:17,172 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_91346184-2eee-4b10-b110-61f3660c5683/bin-2019/uautomizer/witness.graphml [2018-11-18 15:57:17,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:57:17,173 INFO L168 Benchmark]: Toolchain (without parser) took 49004.50 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 728.8 MB). Free memory was 951.2 MB in the beginning and 1.0 GB in the end (delta: -70.2 MB). Peak memory consumption was 658.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:17,173 INFO L168 Benchmark]: CDTParser took 0.13 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 15:57:17,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.60 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 919.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:17,174 INFO L168 Benchmark]: Boogie Preprocessor took 109.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -223.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:17,174 INFO L168 Benchmark]: RCFGBuilder took 989.05 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: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:17,174 INFO L168 Benchmark]: TraceAbstraction took 47441.79 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 575.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.0 MB). Peak memory consumption was 577.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:17,175 INFO L168 Benchmark]: Witness Printer took 105.51 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:17,176 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 355.60 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 919.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -223.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 989.05 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: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 47441.79 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 575.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.0 MB). Peak memory consumption was 577.2 MB. Max. memory is 11.5 GB. * Witness Printer took 105.51 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((((\old(a1) < 23 || ((a19 <= 8 && !(a10 == 1)) && 0 < a1 + 13)) || (!(a19 == 6) && a19 <= 8)) || !(0 == a12)) || (!(a19 == 6) && a10 <= 2)) || 23 < \old(a1)) || !(9 == \old(a19))) || 1 == \old(a10)) || (3 == a10 && 9 == a19)) || !(14 == a4)) || (4 == a10 && a19 <= 9)) || 2 < \old(a10)) || (a10 <= 2 && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 47.3s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 32.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 643 SDtfs, 12584 SDslu, 1553 SDs, 0 SdLazy, 22446 SolverSat, 4829 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 14.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1479 GetRequests, 1249 SyntacticMatches, 9 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7222 ImplicationChecksByTransitivity, 26.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3653occurred 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, 1237 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 127 PreInvPairs, 251 NumberOfFragments, 427 HoareAnnotationTreeSize, 127 FomulaSimplifications, 36634 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 16341 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 3245 NumberOfCodeBlocks, 3245 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3233 ConstructedInterpolants, 7 QuantifiedInterpolants, 3899639 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1933 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 2488/2729 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...