./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/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 84719fa7c370f946c431f46475b54ba30487ebc7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:11:57,604 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:11:57,605 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:11:57,612 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:11:57,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:11:57,613 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:11:57,614 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:11:57,615 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:11:57,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:11:57,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:11:57,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:11:57,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:11:57,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:11:57,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:11:57,620 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:11:57,620 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:11:57,621 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:11:57,622 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:11:57,624 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:11:57,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:11:57,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:11:57,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:11:57,628 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:11:57,628 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:11:57,628 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:11:57,629 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:11:57,629 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:11:57,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:11:57,630 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:11:57,631 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:11:57,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:11:57,631 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:11:57,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:11:57,631 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:11:57,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:11:57,632 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:11:57,632 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 13:11:57,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:11:57,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:11:57,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:11:57,641 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 13:11:57,642 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:11:57,642 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:11:57,642 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 13:11:57,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:11:57,642 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:11:57,642 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:11:57,643 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:11:57,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:11:57,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:11:57,643 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:11:57,643 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:11:57,643 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:11:57,643 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:11:57,644 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:11:57,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:11:57,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:11:57,644 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 13:11:57,644 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:11:57,644 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 13:11:57,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 13:11:57,644 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:11:57,645 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:11:57,645 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:11:57,645 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 13:11:57,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:11:57,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:11:57,645 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_d7611f23-123d-4dfd-b4a2-e28b6d603d35/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 -> 84719fa7c370f946c431f46475b54ba30487ebc7 [2018-12-08 13:11:57,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:11:57,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:11:57,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:11:57,674 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:11:57,674 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:11:57,675 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-12-08 13:11:57,712 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/data/33e09c4be/0ebc9ce323f247229ce5f56a25e55914/FLAGe81768b2a [2018-12-08 13:11:58,102 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:11:58,102 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-12-08 13:11:58,111 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/data/33e09c4be/0ebc9ce323f247229ce5f56a25e55914/FLAGe81768b2a [2018-12-08 13:11:58,120 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/data/33e09c4be/0ebc9ce323f247229ce5f56a25e55914 [2018-12-08 13:11:58,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:11:58,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:11:58,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:11:58,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:11:58,125 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:11:58,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58, skipping insertion in model container [2018-12-08 13:11:58,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:11:58,158 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:11:58,374 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:11:58,377 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:11:58,483 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:11:58,492 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:11:58,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58 WrapperNode [2018-12-08 13:11:58,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:11:58,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:11:58,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:11:58,493 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:11:58,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:11:58,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:11:58,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:11:58,514 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:11:58,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (1/1) ... [2018-12-08 13:11:58,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:11:58,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:11:58,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:11:58,556 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:11:58,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/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 [2018-12-08 13:11:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 13:11:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 13:11:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 13:11:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 13:11:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:11:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:11:58,589 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 13:11:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 13:11:59,290 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:11:59,290 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 13:11:59,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:11:59 BoogieIcfgContainer [2018-12-08 13:11:59,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:11:59,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 13:11:59,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 13:11:59,294 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 13:11:59,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 01:11:58" (1/3) ... [2018-12-08 13:11:59,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c3e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 01:11:59, skipping insertion in model container [2018-12-08 13:11:59,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:11:58" (2/3) ... [2018-12-08 13:11:59,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c3e2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 01:11:59, skipping insertion in model container [2018-12-08 13:11:59,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:11:59" (3/3) ... [2018-12-08 13:11:59,297 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label50_true-unreach-call_false-termination.c [2018-12-08 13:11:59,306 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 13:11:59,313 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 13:11:59,328 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 13:11:59,356 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 13:11:59,357 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 13:11:59,357 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 13:11:59,357 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 13:11:59,357 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 13:11:59,357 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 13:11:59,358 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 13:11:59,358 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 13:11:59,358 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 13:11:59,377 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-08 13:11:59,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 13:11:59,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:11:59,383 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:11:59,384 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:11:59,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:11:59,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1557712066, now seen corresponding path program 1 times [2018-12-08 13:11:59,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:11:59,390 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:11:59,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:11:59,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:11:59,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:11:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:11:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:11:59,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:11:59,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 13:11:59,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 13:11:59,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 13:11:59,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:11:59,568 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-12-08 13:12:00,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:00,130 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-12-08 13:12:00,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 13:12:00,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-12-08 13:12:00,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:00,139 INFO L225 Difference]: With dead ends: 688 [2018-12-08 13:12:00,139 INFO L226 Difference]: Without dead ends: 372 [2018-12-08 13:12:00,143 INFO L631 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 [2018-12-08 13:12:00,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-12-08 13:12:00,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2018-12-08 13:12:00,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-12-08 13:12:00,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 602 transitions. [2018-12-08 13:12:00,183 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 602 transitions. Word has length 43 [2018-12-08 13:12:00,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:00,184 INFO L480 AbstractCegarLoop]: Abstraction has 372 states and 602 transitions. [2018-12-08 13:12:00,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 13:12:00,184 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 602 transitions. [2018-12-08 13:12:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 13:12:00,186 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:00,187 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 13:12:00,187 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:00,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:00,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1883069890, now seen corresponding path program 1 times [2018-12-08 13:12:00,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:00,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:00,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:00,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:00,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:00,323 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:12:00,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:12:00,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:12:00,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:12:00,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:12:00,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:12:00,326 INFO L87 Difference]: Start difference. First operand 372 states and 602 transitions. Second operand 6 states. [2018-12-08 13:12:00,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:00,913 INFO L93 Difference]: Finished difference Result 936 states and 1526 transitions. [2018-12-08 13:12:00,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 13:12:00,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-12-08 13:12:00,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:00,917 INFO L225 Difference]: With dead ends: 936 [2018-12-08 13:12:00,917 INFO L226 Difference]: Without dead ends: 570 [2018-12-08 13:12:00,918 INFO L631 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 [2018-12-08 13:12:00,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-12-08 13:12:00,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 562. [2018-12-08 13:12:00,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2018-12-08 13:12:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 814 transitions. [2018-12-08 13:12:00,933 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 814 transitions. Word has length 129 [2018-12-08 13:12:00,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:00,934 INFO L480 AbstractCegarLoop]: Abstraction has 562 states and 814 transitions. [2018-12-08 13:12:00,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:12:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 814 transitions. [2018-12-08 13:12:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 13:12:00,935 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:00,935 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 13:12:00,935 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:00,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:00,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1079220531, now seen corresponding path program 1 times [2018-12-08 13:12:00,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:00,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:00,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:00,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:00,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:12:01,007 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:12:01,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 13:12:01,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 13:12:01,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 13:12:01,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 13:12:01,008 INFO L87 Difference]: Start difference. First operand 562 states and 814 transitions. Second operand 4 states. [2018-12-08 13:12:01,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:01,728 INFO L93 Difference]: Finished difference Result 2220 states and 3286 transitions. [2018-12-08 13:12:01,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 13:12:01,729 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-12-08 13:12:01,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:01,734 INFO L225 Difference]: With dead ends: 2220 [2018-12-08 13:12:01,734 INFO L226 Difference]: Without dead ends: 1664 [2018-12-08 13:12:01,735 INFO L631 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 [2018-12-08 13:12:01,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2018-12-08 13:12:01,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1664. [2018-12-08 13:12:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1664 states. [2018-12-08 13:12:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2308 transitions. [2018-12-08 13:12:01,773 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2308 transitions. Word has length 138 [2018-12-08 13:12:01,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:01,774 INFO L480 AbstractCegarLoop]: Abstraction has 1664 states and 2308 transitions. [2018-12-08 13:12:01,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 13:12:01,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2308 transitions. [2018-12-08 13:12:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 13:12:01,779 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:01,779 INFO L402 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, 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, 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] [2018-12-08 13:12:01,779 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:01,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:01,779 INFO L82 PathProgramCache]: Analyzing trace with hash 762391661, now seen corresponding path program 1 times [2018-12-08 13:12:01,779 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:01,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:01,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:01,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:01,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:02,263 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 145 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:12:02,264 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:02,264 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/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 [2018-12-08 13:12:02,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:02,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:02,493 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 13:12:02,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 13:12:02,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2018-12-08 13:12:02,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 13:12:02,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 13:12:02,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-12-08 13:12:02,520 INFO L87 Difference]: Start difference. First operand 1664 states and 2308 transitions. Second operand 15 states. [2018-12-08 13:12:06,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:06,139 INFO L93 Difference]: Finished difference Result 5426 states and 7720 transitions. [2018-12-08 13:12:06,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-12-08 13:12:06,139 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 274 [2018-12-08 13:12:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:06,149 INFO L225 Difference]: With dead ends: 5426 [2018-12-08 13:12:06,149 INFO L226 Difference]: Without dead ends: 3768 [2018-12-08 13:12:06,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 280 SyntacticMatches, 7 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=492, Invalid=2160, Unknown=0, NotChecked=0, Total=2652 [2018-12-08 13:12:06,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2018-12-08 13:12:06,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3196. [2018-12-08 13:12:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3196 states. [2018-12-08 13:12:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 4129 transitions. [2018-12-08 13:12:06,217 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 4129 transitions. Word has length 274 [2018-12-08 13:12:06,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:06,218 INFO L480 AbstractCegarLoop]: Abstraction has 3196 states and 4129 transitions. [2018-12-08 13:12:06,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 13:12:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 4129 transitions. [2018-12-08 13:12:06,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-08 13:12:06,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:06,224 INFO L402 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, 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] [2018-12-08 13:12:06,224 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:06,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:06,224 INFO L82 PathProgramCache]: Analyzing trace with hash 440905297, now seen corresponding path program 1 times [2018-12-08 13:12:06,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:06,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:06,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:06,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:06,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 194 proven. 197 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 13:12:06,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:06,720 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/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 [2018-12-08 13:12:06,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:06,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 305 proven. 53 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 13:12:07,024 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:12:07,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-12-08 13:12:07,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 13:12:07,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 13:12:07,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-12-08 13:12:07,026 INFO L87 Difference]: Start difference. First operand 3196 states and 4129 transitions. Second operand 15 states. [2018-12-08 13:12:09,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:09,583 INFO L93 Difference]: Finished difference Result 6508 states and 8466 transitions. [2018-12-08 13:12:09,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 13:12:09,583 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 376 [2018-12-08 13:12:09,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:09,591 INFO L225 Difference]: With dead ends: 6508 [2018-12-08 13:12:09,591 INFO L226 Difference]: Without dead ends: 3420 [2018-12-08 13:12:09,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 388 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2018-12-08 13:12:09,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3420 states. [2018-12-08 13:12:09,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3420 to 3380. [2018-12-08 13:12:09,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3380 states. [2018-12-08 13:12:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 4044 transitions. [2018-12-08 13:12:09,650 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 4044 transitions. Word has length 376 [2018-12-08 13:12:09,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:09,650 INFO L480 AbstractCegarLoop]: Abstraction has 3380 states and 4044 transitions. [2018-12-08 13:12:09,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 13:12:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4044 transitions. [2018-12-08 13:12:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2018-12-08 13:12:09,656 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:09,656 INFO L402 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, 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, 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] [2018-12-08 13:12:09,656 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:09,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:09,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1399345218, now seen corresponding path program 1 times [2018-12-08 13:12:09,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:09,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:09,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:09,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:09,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 337 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-08 13:12:10,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:10,196 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/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 [2018-12-08 13:12:10,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:10,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-12-08 13:12:10,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 13:12:10,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2018-12-08 13:12:10,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 13:12:10,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 13:12:10,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-08 13:12:10,356 INFO L87 Difference]: Start difference. First operand 3380 states and 4044 transitions. Second operand 16 states. [2018-12-08 13:12:12,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:12,601 INFO L93 Difference]: Finished difference Result 6606 states and 7948 transitions. [2018-12-08 13:12:12,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-08 13:12:12,602 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 401 [2018-12-08 13:12:12,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:12,608 INFO L225 Difference]: With dead ends: 6606 [2018-12-08 13:12:12,608 INFO L226 Difference]: Without dead ends: 3416 [2018-12-08 13:12:12,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 417 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=503, Invalid=1753, Unknown=0, NotChecked=0, Total=2256 [2018-12-08 13:12:12,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3416 states. [2018-12-08 13:12:12,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3416 to 3398. [2018-12-08 13:12:12,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3398 states. [2018-12-08 13:12:12,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 3918 transitions. [2018-12-08 13:12:12,648 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 3918 transitions. Word has length 401 [2018-12-08 13:12:12,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:12,648 INFO L480 AbstractCegarLoop]: Abstraction has 3398 states and 3918 transitions. [2018-12-08 13:12:12,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 13:12:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 3918 transitions. [2018-12-08 13:12:12,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2018-12-08 13:12:12,657 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:12,657 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:12:12,657 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:12,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:12,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1491217081, now seen corresponding path program 1 times [2018-12-08 13:12:12,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:12,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:12,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:12,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:12,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:13,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 416 proven. 222 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-12-08 13:12:13,034 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:13,034 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/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 [2018-12-08 13:12:13,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:13,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:13,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 631 proven. 2 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2018-12-08 13:12:13,327 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:12:13,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-12-08 13:12:13,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 13:12:13,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 13:12:13,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-12-08 13:12:13,328 INFO L87 Difference]: Start difference. First operand 3398 states and 3918 transitions. Second operand 11 states. [2018-12-08 13:12:14,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:14,968 INFO L93 Difference]: Finished difference Result 7900 states and 9364 transitions. [2018-12-08 13:12:14,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-08 13:12:14,968 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 606 [2018-12-08 13:12:14,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:14,975 INFO L225 Difference]: With dead ends: 7900 [2018-12-08 13:12:14,975 INFO L226 Difference]: Without dead ends: 4692 [2018-12-08 13:12:14,979 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 617 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=620, Unknown=0, NotChecked=0, Total=812 [2018-12-08 13:12:14,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4692 states. [2018-12-08 13:12:15,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4692 to 4508. [2018-12-08 13:12:15,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4508 states. [2018-12-08 13:12:15,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4508 states to 4508 states and 5154 transitions. [2018-12-08 13:12:15,024 INFO L78 Accepts]: Start accepts. Automaton has 4508 states and 5154 transitions. Word has length 606 [2018-12-08 13:12:15,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:15,024 INFO L480 AbstractCegarLoop]: Abstraction has 4508 states and 5154 transitions. [2018-12-08 13:12:15,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 13:12:15,024 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states and 5154 transitions. [2018-12-08 13:12:15,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2018-12-08 13:12:15,030 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:15,030 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 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] [2018-12-08 13:12:15,030 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:15,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:15,030 INFO L82 PathProgramCache]: Analyzing trace with hash -247966771, now seen corresponding path program 1 times [2018-12-08 13:12:15,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:15,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:15,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:15,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:15,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 551 proven. 777 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-12-08 13:12:15,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:15,794 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:12:15,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:15,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 1279 proven. 2 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2018-12-08 13:12:16,212 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:12:16,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 13 [2018-12-08 13:12:16,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 13:12:16,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 13:12:16,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-12-08 13:12:16,213 INFO L87 Difference]: Start difference. First operand 4508 states and 5154 transitions. Second operand 13 states. [2018-12-08 13:12:17,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:17,747 INFO L93 Difference]: Finished difference Result 9036 states and 10667 transitions. [2018-12-08 13:12:17,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 13:12:17,747 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 708 [2018-12-08 13:12:17,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:17,756 INFO L225 Difference]: With dead ends: 9036 [2018-12-08 13:12:17,756 INFO L226 Difference]: Without dead ends: 4628 [2018-12-08 13:12:17,760 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 715 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-12-08 13:12:17,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4628 states. [2018-12-08 13:12:17,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4628 to 4140. [2018-12-08 13:12:17,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4140 states. [2018-12-08 13:12:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 4635 transitions. [2018-12-08 13:12:17,806 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 4635 transitions. Word has length 708 [2018-12-08 13:12:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:17,807 INFO L480 AbstractCegarLoop]: Abstraction has 4140 states and 4635 transitions. [2018-12-08 13:12:17,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 13:12:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 4635 transitions. [2018-12-08 13:12:17,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2018-12-08 13:12:17,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:17,813 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 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] [2018-12-08 13:12:17,813 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:17,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:17,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1237683807, now seen corresponding path program 1 times [2018-12-08 13:12:17,813 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:17,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:17,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:17,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:17,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1874 backedges. 577 proven. 855 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-12-08 13:12:18,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:18,712 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:12:18,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:18,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1874 backedges. 1357 proven. 2 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2018-12-08 13:12:19,092 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:12:19,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-12-08 13:12:19,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 13:12:19,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 13:12:19,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-12-08 13:12:19,093 INFO L87 Difference]: Start difference. First operand 4140 states and 4635 transitions. Second operand 18 states. [2018-12-08 13:12:21,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:21,881 INFO L93 Difference]: Finished difference Result 9952 states and 11218 transitions. [2018-12-08 13:12:21,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-08 13:12:21,882 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 734 [2018-12-08 13:12:21,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:21,894 INFO L225 Difference]: With dead ends: 9952 [2018-12-08 13:12:21,894 INFO L226 Difference]: Without dead ends: 5818 [2018-12-08 13:12:21,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 804 GetRequests, 755 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=494, Invalid=2056, Unknown=0, NotChecked=0, Total=2550 [2018-12-08 13:12:21,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5818 states. [2018-12-08 13:12:21,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5818 to 4870. [2018-12-08 13:12:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4870 states. [2018-12-08 13:12:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4870 states and 5424 transitions. [2018-12-08 13:12:21,962 INFO L78 Accepts]: Start accepts. Automaton has 4870 states and 5424 transitions. Word has length 734 [2018-12-08 13:12:21,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:21,962 INFO L480 AbstractCegarLoop]: Abstraction has 4870 states and 5424 transitions. [2018-12-08 13:12:21,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 13:12:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 5424 transitions. [2018-12-08 13:12:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2018-12-08 13:12:21,969 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:21,969 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:12:21,969 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:21,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:21,969 INFO L82 PathProgramCache]: Analyzing trace with hash -761058727, now seen corresponding path program 1 times [2018-12-08 13:12:21,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:21,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:21,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:21,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:21,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 777 proven. 841 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-12-08 13:12:23,451 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:23,451 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:12:23,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:23,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 1255 proven. 2 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2018-12-08 13:12:23,767 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:12:23,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-12-08 13:12:23,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 13:12:23,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 13:12:23,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-12-08 13:12:23,768 INFO L87 Difference]: Start difference. First operand 4870 states and 5424 transitions. Second operand 20 states. [2018-12-08 13:12:27,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:27,868 INFO L93 Difference]: Finished difference Result 11634 states and 12982 transitions. [2018-12-08 13:12:27,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-12-08 13:12:27,869 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 836 [2018-12-08 13:12:27,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:27,879 INFO L225 Difference]: With dead ends: 11634 [2018-12-08 13:12:27,879 INFO L226 Difference]: Without dead ends: 6770 [2018-12-08 13:12:27,885 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 975 GetRequests, 889 SyntacticMatches, 4 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2227 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=949, Invalid=6023, Unknown=0, NotChecked=0, Total=6972 [2018-12-08 13:12:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6770 states. [2018-12-08 13:12:27,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6770 to 5998. [2018-12-08 13:12:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5998 states. [2018-12-08 13:12:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5998 states to 5998 states and 6592 transitions. [2018-12-08 13:12:27,951 INFO L78 Accepts]: Start accepts. Automaton has 5998 states and 6592 transitions. Word has length 836 [2018-12-08 13:12:27,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:27,951 INFO L480 AbstractCegarLoop]: Abstraction has 5998 states and 6592 transitions. [2018-12-08 13:12:27,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 13:12:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5998 states and 6592 transitions. [2018-12-08 13:12:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2018-12-08 13:12:27,965 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:27,966 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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] [2018-12-08 13:12:27,966 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:27,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:27,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1661791935, now seen corresponding path program 1 times [2018-12-08 13:12:27,966 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:27,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:27,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:27,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:27,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:28,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 1657 proven. 355 refuted. 0 times theorem prover too weak. 1947 trivial. 0 not checked. [2018-12-08 13:12:28,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:28,597 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:12:28,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:28,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 2442 proven. 6 refuted. 0 times theorem prover too weak. 1511 trivial. 0 not checked. [2018-12-08 13:12:29,132 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:12:29,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-12-08 13:12:29,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 13:12:29,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 13:12:29,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-08 13:12:29,134 INFO L87 Difference]: Start difference. First operand 5998 states and 6592 transitions. Second operand 9 states. [2018-12-08 13:12:30,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:30,323 INFO L93 Difference]: Finished difference Result 13716 states and 15696 transitions. [2018-12-08 13:12:30,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 13:12:30,323 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1138 [2018-12-08 13:12:30,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:30,344 INFO L225 Difference]: With dead ends: 13716 [2018-12-08 13:12:30,344 INFO L226 Difference]: Without dead ends: 7724 [2018-12-08 13:12:30,350 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1170 GetRequests, 1150 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2018-12-08 13:12:30,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7724 states. [2018-12-08 13:12:30,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7724 to 7106. [2018-12-08 13:12:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7106 states. [2018-12-08 13:12:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 7824 transitions. [2018-12-08 13:12:30,461 INFO L78 Accepts]: Start accepts. Automaton has 7106 states and 7824 transitions. Word has length 1138 [2018-12-08 13:12:30,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:30,462 INFO L480 AbstractCegarLoop]: Abstraction has 7106 states and 7824 transitions. [2018-12-08 13:12:30,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 13:12:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 7106 states and 7824 transitions. [2018-12-08 13:12:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1161 [2018-12-08 13:12:30,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:30,471 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:12:30,471 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:30,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:30,472 INFO L82 PathProgramCache]: Analyzing trace with hash 211080301, now seen corresponding path program 1 times [2018-12-08 13:12:30,472 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:30,472 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:30,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:30,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:30,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4192 backedges. 1020 proven. 1833 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2018-12-08 13:12:31,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:31,741 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:12:31,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:31,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4192 backedges. 2567 proven. 2 refuted. 0 times theorem prover too weak. 1623 trivial. 0 not checked. [2018-12-08 13:12:32,327 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:12:32,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-12-08 13:12:32,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 13:12:32,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 13:12:32,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-12-08 13:12:32,328 INFO L87 Difference]: Start difference. First operand 7106 states and 7824 transitions. Second operand 17 states. [2018-12-08 13:12:35,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:35,087 INFO L93 Difference]: Finished difference Result 14497 states and 16429 transitions. [2018-12-08 13:12:35,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-08 13:12:35,087 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1160 [2018-12-08 13:12:35,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:35,098 INFO L225 Difference]: With dead ends: 14497 [2018-12-08 13:12:35,098 INFO L226 Difference]: Without dead ends: 6909 [2018-12-08 13:12:35,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1235 GetRequests, 1183 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=601, Invalid=2261, Unknown=0, NotChecked=0, Total=2862 [2018-12-08 13:12:35,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6909 states. [2018-12-08 13:12:35,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6909 to 6344. [2018-12-08 13:12:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6344 states. [2018-12-08 13:12:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6344 states to 6344 states and 6855 transitions. [2018-12-08 13:12:35,179 INFO L78 Accepts]: Start accepts. Automaton has 6344 states and 6855 transitions. Word has length 1160 [2018-12-08 13:12:35,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:35,179 INFO L480 AbstractCegarLoop]: Abstraction has 6344 states and 6855 transitions. [2018-12-08 13:12:35,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 13:12:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 6344 states and 6855 transitions. [2018-12-08 13:12:35,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1225 [2018-12-08 13:12:35,188 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:35,188 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:12:35,188 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:35,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:35,188 INFO L82 PathProgramCache]: Analyzing trace with hash 99077237, now seen corresponding path program 1 times [2018-12-08 13:12:35,188 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:35,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:35,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:35,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:35,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:37,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4338 backedges. 1028 proven. 1936 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2018-12-08 13:12:37,041 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:37,041 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:12:37,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:37,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4338 backedges. 2591 proven. 2 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2018-12-08 13:12:37,821 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:12:37,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-12-08 13:12:37,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 13:12:37,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 13:12:37,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-12-08 13:12:37,823 INFO L87 Difference]: Start difference. First operand 6344 states and 6855 transitions. Second operand 18 states. [2018-12-08 13:12:40,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:40,536 INFO L93 Difference]: Finished difference Result 13650 states and 14747 transitions. [2018-12-08 13:12:40,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-08 13:12:40,536 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1224 [2018-12-08 13:12:40,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:40,545 INFO L225 Difference]: With dead ends: 13650 [2018-12-08 13:12:40,545 INFO L226 Difference]: Without dead ends: 7312 [2018-12-08 13:12:40,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1295 GetRequests, 1249 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=471, Invalid=1785, Unknown=0, NotChecked=0, Total=2256 [2018-12-08 13:12:40,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7312 states. [2018-12-08 13:12:40,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7312 to 6174. [2018-12-08 13:12:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6174 states. [2018-12-08 13:12:40,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6174 states to 6174 states and 6543 transitions. [2018-12-08 13:12:40,614 INFO L78 Accepts]: Start accepts. Automaton has 6174 states and 6543 transitions. Word has length 1224 [2018-12-08 13:12:40,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:40,614 INFO L480 AbstractCegarLoop]: Abstraction has 6174 states and 6543 transitions. [2018-12-08 13:12:40,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 13:12:40,615 INFO L276 IsEmpty]: Start isEmpty. Operand 6174 states and 6543 transitions. [2018-12-08 13:12:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1574 [2018-12-08 13:12:40,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:40,628 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 13:12:40,628 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:40,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:40,629 INFO L82 PathProgramCache]: Analyzing trace with hash 283026254, now seen corresponding path program 1 times [2018-12-08 13:12:40,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:40,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:40,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:40,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:40,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7488 backedges. 1135 proven. 3869 refuted. 0 times theorem prover too weak. 2484 trivial. 0 not checked. [2018-12-08 13:12:42,993 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:42,993 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:12:43,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:43,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 7488 backedges. 4614 proven. 2 refuted. 0 times theorem prover too weak. 2872 trivial. 0 not checked. [2018-12-08 13:12:43,769 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:12:43,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-12-08 13:12:43,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 13:12:43,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 13:12:43,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-12-08 13:12:43,770 INFO L87 Difference]: Start difference. First operand 6174 states and 6543 transitions. Second operand 19 states. [2018-12-08 13:12:46,691 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2018-12-08 13:12:48,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:12:48,132 INFO L93 Difference]: Finished difference Result 12706 states and 14146 transitions. [2018-12-08 13:12:48,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-12-08 13:12:48,132 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1573 [2018-12-08 13:12:48,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:12:48,143 INFO L225 Difference]: With dead ends: 12706 [2018-12-08 13:12:48,143 INFO L226 Difference]: Without dead ends: 6538 [2018-12-08 13:12:48,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1674 GetRequests, 1608 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=928, Invalid=3362, Unknown=0, NotChecked=0, Total=4290 [2018-12-08 13:12:48,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6538 states. [2018-12-08 13:12:48,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6538 to 5994. [2018-12-08 13:12:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5994 states. [2018-12-08 13:12:48,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5994 states to 5994 states and 6326 transitions. [2018-12-08 13:12:48,224 INFO L78 Accepts]: Start accepts. Automaton has 5994 states and 6326 transitions. Word has length 1573 [2018-12-08 13:12:48,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:12:48,224 INFO L480 AbstractCegarLoop]: Abstraction has 5994 states and 6326 transitions. [2018-12-08 13:12:48,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 13:12:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 5994 states and 6326 transitions. [2018-12-08 13:12:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1692 [2018-12-08 13:12:48,237 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:12:48,238 INFO L402 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 13:12:48,238 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:12:48,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:12:48,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1717289902, now seen corresponding path program 1 times [2018-12-08 13:12:48,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:12:48,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:12:48,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:48,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:48,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:12:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8838 backedges. 1919 proven. 5284 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2018-12-08 13:12:51,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:12:51,445 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:12:51,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:12:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:12:51,621 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:12:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8838 backedges. 2852 proven. 84 refuted. 0 times theorem prover too weak. 5902 trivial. 0 not checked. [2018-12-08 13:12:52,479 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:12:52,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8] total 33 [2018-12-08 13:12:52,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-12-08 13:12:52,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-12-08 13:12:52,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2018-12-08 13:12:52,481 INFO L87 Difference]: Start difference. First operand 5994 states and 6326 transitions. Second operand 33 states. [2018-12-08 13:12:59,524 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2018-12-08 13:13:04,588 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2018-12-08 13:13:15,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:13:15,156 INFO L93 Difference]: Finished difference Result 14117 states and 15290 transitions. [2018-12-08 13:13:15,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-12-08 13:13:15,157 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1691 [2018-12-08 13:13:15,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:13:15,169 INFO L225 Difference]: With dead ends: 14117 [2018-12-08 13:13:15,169 INFO L226 Difference]: Without dead ends: 8129 [2018-12-08 13:13:15,178 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1940 GetRequests, 1759 SyntacticMatches, 2 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12127 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=4031, Invalid=28549, Unknown=0, NotChecked=0, Total=32580 [2018-12-08 13:13:15,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8129 states. [2018-12-08 13:13:15,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8129 to 6720. [2018-12-08 13:13:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6720 states. [2018-12-08 13:13:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6720 states to 6720 states and 7028 transitions. [2018-12-08 13:13:15,267 INFO L78 Accepts]: Start accepts. Automaton has 6720 states and 7028 transitions. Word has length 1691 [2018-12-08 13:13:15,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:13:15,268 INFO L480 AbstractCegarLoop]: Abstraction has 6720 states and 7028 transitions. [2018-12-08 13:13:15,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-12-08 13:13:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 6720 states and 7028 transitions. [2018-12-08 13:13:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1869 [2018-12-08 13:13:15,282 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:13:15,283 INFO L402 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:13:15,283 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:13:15,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:13:15,283 INFO L82 PathProgramCache]: Analyzing trace with hash -2011551767, now seen corresponding path program 1 times [2018-12-08 13:13:15,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:13:15,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:13:15,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:13:15,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:13:15,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:13:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:13:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 10501 backedges. 1996 proven. 517 refuted. 0 times theorem prover too weak. 7988 trivial. 0 not checked. [2018-12-08 13:13:16,593 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:13:16,593 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:13:16,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:13:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:13:16,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:13:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10501 backedges. 4529 proven. 2 refuted. 0 times theorem prover too weak. 5970 trivial. 0 not checked. [2018-12-08 13:13:17,636 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:13:17,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-12-08 13:13:17,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 13:13:17,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 13:13:17,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-12-08 13:13:17,637 INFO L87 Difference]: Start difference. First operand 6720 states and 7028 transitions. Second operand 11 states. [2018-12-08 13:13:19,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:13:19,161 INFO L93 Difference]: Finished difference Result 14924 states and 15639 transitions. [2018-12-08 13:13:19,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-08 13:13:19,161 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1868 [2018-12-08 13:13:19,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:13:19,165 INFO L225 Difference]: With dead ends: 14924 [2018-12-08 13:13:19,165 INFO L226 Difference]: Without dead ends: 4847 [2018-12-08 13:13:19,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1910 GetRequests, 1880 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2018-12-08 13:13:19,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4847 states. [2018-12-08 13:13:19,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4847 to 4642. [2018-12-08 13:13:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4642 states. [2018-12-08 13:13:19,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4642 states to 4642 states and 4767 transitions. [2018-12-08 13:13:19,216 INFO L78 Accepts]: Start accepts. Automaton has 4642 states and 4767 transitions. Word has length 1868 [2018-12-08 13:13:19,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:13:19,216 INFO L480 AbstractCegarLoop]: Abstraction has 4642 states and 4767 transitions. [2018-12-08 13:13:19,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 13:13:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 4642 states and 4767 transitions. [2018-12-08 13:13:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1944 [2018-12-08 13:13:19,231 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:13:19,231 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 13:13:19,231 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:13:19,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:13:19,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1661795698, now seen corresponding path program 1 times [2018-12-08 13:13:19,232 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:13:19,232 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:13:19,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:13:19,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:13:19,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:13:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:13:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 11981 backedges. 1804 proven. 6753 refuted. 0 times theorem prover too weak. 3424 trivial. 0 not checked. [2018-12-08 13:13:22,895 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:13:22,895 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:13:22,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:13:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:13:23,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:13:25,578 INFO L134 CoverageAnalysis]: Checked inductivity of 11981 backedges. 5784 proven. 12 refuted. 0 times theorem prover too weak. 6185 trivial. 0 not checked. [2018-12-08 13:13:25,593 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:13:25,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 9] total 34 [2018-12-08 13:13:25,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-12-08 13:13:25,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-12-08 13:13:25,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1019, Unknown=1, NotChecked=0, Total=1122 [2018-12-08 13:13:25,595 INFO L87 Difference]: Start difference. First operand 4642 states and 4767 transitions. Second operand 34 states. [2018-12-08 13:13:34,623 WARN L180 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2018-12-08 13:13:45,665 WARN L180 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2018-12-08 13:13:48,473 WARN L180 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2018-12-08 13:13:55,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:13:55,004 INFO L93 Difference]: Finished difference Result 11061 states and 11529 transitions. [2018-12-08 13:13:55,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-12-08 13:13:55,005 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1943 [2018-12-08 13:13:55,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:13:55,015 INFO L225 Difference]: With dead ends: 11061 [2018-12-08 13:13:55,015 INFO L226 Difference]: Without dead ends: 5487 [2018-12-08 13:13:55,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2141 GetRequests, 1994 SyntacticMatches, 1 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7081 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=2815, Invalid=18940, Unknown=1, NotChecked=0, Total=21756 [2018-12-08 13:13:55,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5487 states. [2018-12-08 13:13:55,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5487 to 4082. [2018-12-08 13:13:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4082 states. [2018-12-08 13:13:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 4082 states and 4140 transitions. [2018-12-08 13:13:55,075 INFO L78 Accepts]: Start accepts. Automaton has 4082 states and 4140 transitions. Word has length 1943 [2018-12-08 13:13:55,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:13:55,075 INFO L480 AbstractCegarLoop]: Abstraction has 4082 states and 4140 transitions. [2018-12-08 13:13:55,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-12-08 13:13:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 4140 transitions. [2018-12-08 13:13:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1997 [2018-12-08 13:13:55,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:13:55,090 INFO L402 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 11, 11, 11, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-12-08 13:13:55,091 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:13:55,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:13:55,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1914719255, now seen corresponding path program 1 times [2018-12-08 13:13:55,091 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:13:55,091 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:13:55,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:13:55,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:13:55,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:13:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:13:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12149 backedges. 6709 proven. 1411 refuted. 0 times theorem prover too weak. 4029 trivial. 0 not checked. [2018-12-08 13:13:58,902 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:13:58,902 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:13:58,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:13:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:13:59,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:14:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 12149 backedges. 2134 proven. 2 refuted. 0 times theorem prover too weak. 10013 trivial. 0 not checked. [2018-12-08 13:14:00,266 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 13:14:00,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 19 [2018-12-08 13:14:00,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 13:14:00,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 13:14:00,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-08 13:14:00,267 INFO L87 Difference]: Start difference. First operand 4082 states and 4140 transitions. Second operand 19 states. [2018-12-08 13:14:02,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:14:02,841 INFO L93 Difference]: Finished difference Result 5784 states and 5910 transitions. [2018-12-08 13:14:02,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-12-08 13:14:02,841 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1996 [2018-12-08 13:14:02,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:14:02,842 INFO L225 Difference]: With dead ends: 5784 [2018-12-08 13:14:02,842 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 13:14:02,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2072 GetRequests, 2027 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=487, Invalid=1675, Unknown=0, NotChecked=0, Total=2162 [2018-12-08 13:14:02,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 13:14:02,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 13:14:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 13:14:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 13:14:02,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1996 [2018-12-08 13:14:02,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:14:02,846 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 13:14:02,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 13:14:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 13:14:02,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:14:02,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 13:14:02,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:02,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:02,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:02,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:02,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:02,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:02,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:03,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:04,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:04,822 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1030 DAG size of output: 933 [2018-12-08 13:14:04,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:04,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:04,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:05,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:06,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:14:06,352 WARN L180 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1030 DAG size of output: 933 [2018-12-08 13:14:09,070 WARN L180 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 560 DAG size of output: 155 [2018-12-08 13:14:19,034 WARN L180 SmtUtils]: Spent 9.95 s on a formula simplification. DAG size of input: 920 DAG size of output: 163 [2018-12-08 13:14:28,203 WARN L180 SmtUtils]: Spent 9.16 s on a formula simplification. DAG size of input: 920 DAG size of output: 163 [2018-12-08 13:14:28,205 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 13:14:28,205 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-12-08 13:14:28,205 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 13:14:28,205 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-08 13:14:28,205 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-08 13:14:28,205 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,205 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,206 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 13:14:28,207 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-08 13:14:28,208 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse29 (= 6 |old(~a21~0)|)) (.cse27 (= 7 |old(~a21~0)|)) (.cse10 (= 9 |old(~a15~0)|)) (.cse32 (= 10 |old(~a21~0)|))) (let ((.cse4 (= ~a24~0 |old(~a24~0)|)) (.cse15 (not .cse32)) (.cse17 (= |old(~a15~0)| ~a15~0)) (.cse31 (or .cse27 .cse10)) (.cse25 (= 9 ~a15~0)) (.cse5 (= ~a12~0 |old(~a12~0)|)) (.cse14 (= 1 ~a24~0)) (.cse6 (= ~a21~0 |old(~a21~0)|)) (.cse7 (= ~a15~0 |old(~a15~0)|)) (.cse9 (= 7 |old(~a15~0)|)) (.cse19 (not .cse29)) (.cse30 (< 8 |old(~a15~0)|)) (.cse1 (not (= 1 |old(~a24~0)|)))) (let ((.cse12 (or (or .cse19 .cse30) .cse1)) (.cse2 (not .cse9)) (.cse26 (and (and .cse5 .cse14) .cse6 .cse7)) (.cse21 (not (= 8 |old(~a21~0)|))) (.cse20 (and .cse5 .cse6 .cse14 .cse25)) (.cse16 (< 11 |old(~a12~0)|)) (.cse28 (or .cse29 .cse31 .cse32)) (.cse13 (and .cse5 .cse6 .cse17 .cse14)) (.cse8 (< 0 (+ |old(~a12~0)| 49))) (.cse0 (or .cse15 .cse31)) (.cse11 (< 7 |old(~a15~0)|)) (.cse22 (not .cse10)) (.cse3 (and .cse5 .cse4 .cse6 .cse17)) (.cse23 (< |old(~a12~0)| 19)) (.cse24 (not (= 8 |old(~a15~0)|))) (.cse18 (= 10 ~a21~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (and .cse4 .cse5) .cse6 .cse7) (or (or (or .cse8 .cse9 (< |old(~a21~0)| 7) .cse10) (< 7 |old(~a21~0)|)) .cse1)) (or .cse11 .cse12 .cse13) (or (forall ((v_prenex_5 Int)) (or (< v_prenex_5 |old(~a12~0)|) (< |old(~a12~0)| (+ (mod v_prenex_5 299959) 286349)) (< v_prenex_5 0))) .cse13 .cse12) (or (or (< 72 |old(~a12~0)|) .cse9 .cse1 (<= |old(~a12~0)| 18)) (and (and .cse5 .cse6 .cse14) .cse7) .cse11) (or (< 0 (+ |old(~a12~0)| 460226)) (and .cse5 .cse6 (= 7 ~a15~0) .cse14) .cse2 .cse1) (or .cse15 .cse1 .cse16 (and .cse5 .cse17 .cse14 .cse18) .cse11) (or .cse8 .cse3 .cse19 .cse11) (or .cse20 .cse21 .cse22 .cse1 .cse16) (or .cse23 .cse13 .cse24 (or .cse1 (< 73282 |old(~a12~0)|) .cse21)) (or .cse22 .cse15 (and .cse5 .cse14 .cse18 .cse25) .cse1 .cse16) (or .cse22 (or .cse19 (< 95442 |old(~a12~0)|) (< |old(~a12~0)| 95381)) .cse1 .cse26) (or .cse26 (and (or .cse22 .cse23 .cse21) (or .cse22 (not .cse27) .cse23)) .cse1) (or .cse20 .cse22 .cse23 .cse1 (not (= |old(~a15~0)| |old(~a21~0)|))) (or .cse23 (or (or .cse28 (< 76 |old(~a12~0)|)) .cse1) .cse24 (and .cse5 .cse4 .cse6 .cse7)) (or .cse13 .cse24 (or .cse29 .cse1 .cse16)) (or .cse28 .cse1 .cse3 .cse11) (or .cse13 .cse8 .cse1 (< 6 |old(~a21~0)|) .cse30) (or .cse23 .cse3 .cse0 .cse1 .cse11) (or .cse22 (< |old(~a12~0)| 81) .cse3 (or .cse15 .cse1)) (or .cse23 .cse15 .cse1 .cse24 (and .cse5 .cse14 (= 8 ~a15~0) .cse18)))))) [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,209 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 13:14:28,210 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,211 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 13:14:28,212 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,213 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 13:14:28,214 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= 1 ~a24~0) (= 8 ~a15~0) (<= (+ ~a12~0 49) 0)) [2018-12-08 13:14:28,215 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 13:14:28,215 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (and (= ~a12~0 |old(~a12~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|))) [2018-12-08 13:14:28,215 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-08 13:14:28,216 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse28 (= 6 |old(~a21~0)|)) (.cse29 (= 7 |old(~a21~0)|)) (.cse30 (= 10 |old(~a21~0)|))) (let ((.cse26 (not .cse30)) (.cse9 (not (= 8 |old(~a15~0)|))) (.cse21 (not (= 1 |old(~a24~0)|))) (.cse24 (not (= ~a15~0 9))) (.cse1 (= 1 ~a24~0)) (.cse25 (or (and (not .cse28) (not .cse29) (not (= 8 |old(~a21~0)|))) (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|)))) (let ((.cse22 (and (or .cse26 (<= 0 (+ |old(~a12~0)| 42)) .cse9 .cse21) (and .cse24 .cse1 .cse25))) (.cse4 (= ~a21~0 10)) (.cse11 (= ~a21~0 6)) (.cse20 (<= ~a15~0 8)) (.cse27 (or .cse28 .cse29 .cse30)) (.cse23 (= 10 ~a21~0)) (.cse16 (= 7 ~a21~0)) (.cse18 (not (= 6 ~a21~0)))) (let ((.cse10 (= 7 ~a15~0)) (.cse17 (= 8 ~a21~0)) (.cse0 (<= |old(~a12~0)| ~a12~0)) (.cse13 (and .cse24 (not .cse23) (not .cse16) .cse1 .cse25 .cse18)) (.cse6 (= |old(~a15~0)| ~a15~0)) (.cse19 (<= (+ ~a12~0 49) 0)) (.cse8 (and (and .cse26 (and (and .cse11 .cse1 .cse25 (not (= |old(~a15~0)| 9))) .cse20)) .cse27)) (.cse3 (<= ~a12~0 11)) (.cse15 (and (and .cse26 .cse22 .cse4) .cse27)) (.cse2 (and .cse24 .cse16 (not (= ~a15~0 7)) .cse25)) (.cse5 (= ~a24~0 |old(~a24~0)|)) (.cse7 (<= ~a15~0 7)) (.cse14 (<= 19 ~a12~0)) (.cse12 (= 9 ~a15~0))) (or (and .cse0 .cse1 (and .cse2 (= 8 ~a15~0)) .cse3) (and .cse0 .cse4 .cse5 .cse3 .cse6) (and .cse7 .cse8) .cse9 (and (<= (+ ~a12~0 460226) 0) (and .cse10 .cse5)) (and (and (<= 95381 ~a12~0) (and .cse11 .cse1) (<= ~a12~0 95442)) .cse12) (and (and (<= ~a12~0 76) .cse13) .cse6 .cse14) (< 0 (+ |old(~a12~0)| 49)) (and .cse10 .cse15) (and (or (and .cse1 .cse16 .cse14) (and (and .cse17 .cse1) .cse14)) .cse12) (and .cse13 .cse7) (and (and (= ~a15~0 ~a21~0) .cse12) .cse1 .cse14) (and .cse17 .cse5 .cse3 .cse12) (and (or .cse17 (< 0 (+ ~a12~0 43))) .cse0 (and .cse5 .cse3 .cse18) .cse6) (and (and (= ~a21~0 8) (and (<= ~a12~0 73282) .cse13)) .cse6 .cse14) (and (and .cse11 .cse19) .cse7) (< 7 |old(~a21~0)|) (and (and .cse11 .cse1 .cse19) .cse20) (and .cse8 (exists ((v_prenex_5 Int)) (and (<= 0 v_prenex_5) (<= 95381 v_prenex_5) (<= (+ (mod v_prenex_5 299959) 286349) ~a12~0)))) (and .cse7 (and (and .cse5 .cse3) .cse4)) (< |old(~a21~0)| 7) (and .cse5 (and .cse4 .cse3) .cse12) (and .cse7 .cse15 .cse14) (and (and .cse2 (< 18 ~a12~0) .cse5 (<= ~a12~0 72)) .cse7) .cse21 (and (and (and .cse22 .cse4) (= ~a15~0 |old(~a15~0)|)) .cse14) (and (<= 81 ~a12~0) .cse1 .cse23 .cse12)))))) [2018-12-08 13:14:28,216 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-08 13:14:28,216 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-08 13:14:28,216 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse28 (= 6 |old(~a21~0)|)) (.cse29 (= 7 |old(~a21~0)|)) (.cse30 (= 10 |old(~a21~0)|))) (let ((.cse26 (not .cse30)) (.cse9 (not (= 8 |old(~a15~0)|))) (.cse21 (not (= 1 |old(~a24~0)|))) (.cse24 (not (= ~a15~0 9))) (.cse1 (= 1 ~a24~0)) (.cse25 (or (and (not .cse28) (not .cse29) (not (= 8 |old(~a21~0)|))) (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|)))) (let ((.cse22 (and (or .cse26 (<= 0 (+ |old(~a12~0)| 42)) .cse9 .cse21) (and .cse24 .cse1 .cse25))) (.cse4 (= ~a21~0 10)) (.cse11 (= ~a21~0 6)) (.cse20 (<= ~a15~0 8)) (.cse27 (or .cse28 .cse29 .cse30)) (.cse23 (= 10 ~a21~0)) (.cse16 (= 7 ~a21~0)) (.cse18 (not (= 6 ~a21~0)))) (let ((.cse10 (= 7 ~a15~0)) (.cse17 (= 8 ~a21~0)) (.cse0 (<= |old(~a12~0)| ~a12~0)) (.cse13 (and .cse24 (not .cse23) (not .cse16) .cse1 .cse25 .cse18)) (.cse6 (= |old(~a15~0)| ~a15~0)) (.cse19 (<= (+ ~a12~0 49) 0)) (.cse8 (and (and .cse26 (and (and .cse11 .cse1 .cse25 (not (= |old(~a15~0)| 9))) .cse20)) .cse27)) (.cse3 (<= ~a12~0 11)) (.cse15 (and (and .cse26 .cse22 .cse4) .cse27)) (.cse2 (and .cse24 .cse16 (not (= ~a15~0 7)) .cse25)) (.cse5 (= ~a24~0 |old(~a24~0)|)) (.cse7 (<= ~a15~0 7)) (.cse14 (<= 19 ~a12~0)) (.cse12 (= 9 ~a15~0))) (or (and .cse0 .cse1 (and .cse2 (= 8 ~a15~0)) .cse3) (and .cse0 .cse4 .cse5 .cse3 .cse6) (and .cse7 .cse8) .cse9 (and (<= (+ ~a12~0 460226) 0) (and .cse10 .cse5)) (and (and (<= 95381 ~a12~0) (and .cse11 .cse1) (<= ~a12~0 95442)) .cse12) (and (and (<= ~a12~0 76) .cse13) .cse6 .cse14) (< 0 (+ |old(~a12~0)| 49)) (and .cse10 .cse15) (and (or (and .cse1 .cse16 .cse14) (and (and .cse17 .cse1) .cse14)) .cse12) (and .cse13 .cse7) (and (and (= ~a15~0 ~a21~0) .cse12) .cse1 .cse14) (and .cse17 .cse5 .cse3 .cse12) (and (or .cse17 (< 0 (+ ~a12~0 43))) .cse0 (and .cse5 .cse3 .cse18) .cse6) (and (and (= ~a21~0 8) (and (<= ~a12~0 73282) .cse13)) .cse6 .cse14) (and (and .cse11 .cse19) .cse7) (< 7 |old(~a21~0)|) (and (and .cse11 .cse1 .cse19) .cse20) (and .cse8 (exists ((v_prenex_5 Int)) (and (<= 0 v_prenex_5) (<= 95381 v_prenex_5) (<= (+ (mod v_prenex_5 299959) 286349) ~a12~0)))) (and .cse7 (and (and .cse5 .cse3) .cse4)) (< |old(~a21~0)| 7) (and .cse5 (and .cse4 .cse3) .cse12) (and .cse7 .cse15 .cse14) (and (and .cse2 (< 18 ~a12~0) .cse5 (<= ~a12~0 72)) .cse7) .cse21 (and (and (and .cse22 .cse4) (= ~a15~0 |old(~a15~0)|)) .cse14) (and (<= 81 ~a12~0) .cse1 .cse23 .cse12)))))) [2018-12-08 13:14:28,216 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-08 13:14:28,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 01:14:28 BoogieIcfgContainer [2018-12-08 13:14:28,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 13:14:28,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:14:28,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:14:28,233 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:14:28,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:11:59" (3/4) ... [2018-12-08 13:14:28,236 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:14:28,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 13:14:28,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 13:14:28,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 13:14:28,250 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 13:14:28,251 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 13:14:28,272 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((\old(a12) <= a12 && 1 == a24) && (((!(a15 == 9) && 7 == a21) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && 8 == a15) && a12 <= 11) || ((((\old(a12) <= a12 && a21 == 10) && a24 == \old(a24)) && a12 <= 11) && \old(a15) == a15)) || (a15 <= 7 && (!(10 == \old(a21)) && (((a21 == 6 && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(\old(a15) == 9)) && a15 <= 8) && ((6 == \old(a21) || 7 == \old(a21)) || 10 == \old(a21)))) || !(8 == \old(a15))) || (a12 + 460226 <= 0 && 7 == a15 && a24 == \old(a24))) || (((95381 <= a12 && a21 == 6 && 1 == a24) && a12 <= 95442) && 9 == a15)) || (((a12 <= 76 && ((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && \old(a15) == a15) && 19 <= a12)) || 0 < \old(a12) + 49) || (7 == a15 && ((!(10 == \old(a21)) && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && (!(a15 == 9) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a21 == 10) && ((6 == \old(a21) || 7 == \old(a21)) || 10 == \old(a21)))) || ((((1 == a24 && 7 == a21) && 19 <= a12) || ((8 == a21 && 1 == a24) && 19 <= a12)) && 9 == a15)) || ((((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && a15 <= 7)) || (((a15 == a21 && 9 == a15) && 1 == a24) && 19 <= a12)) || (((8 == a21 && a24 == \old(a24)) && a12 <= 11) && 9 == a15)) || ((((8 == a21 || 0 < a12 + 43) && \old(a12) <= a12) && (a24 == \old(a24) && a12 <= 11) && !(6 == a21)) && \old(a15) == a15)) || (((a21 == 8 && a12 <= 73282 && ((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && \old(a15) == a15) && 19 <= a12)) || ((a21 == 6 && a12 + 49 <= 0) && a15 <= 7)) || 7 < \old(a21)) || (((a21 == 6 && 1 == a24) && a12 + 49 <= 0) && a15 <= 8)) || (((!(10 == \old(a21)) && (((a21 == 6 && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(\old(a15) == 9)) && a15 <= 8) && ((6 == \old(a21) || 7 == \old(a21)) || 10 == \old(a21))) && (\exists v_prenex_5 : int :: (0 <= v_prenex_5 && 95381 <= v_prenex_5) && v_prenex_5 % 299959 + 286349 <= a12))) || (a15 <= 7 && (a24 == \old(a24) && a12 <= 11) && a21 == 10)) || \old(a21) < 7) || ((a24 == \old(a24) && a21 == 10 && a12 <= 11) && 9 == a15)) || ((a15 <= 7 && ((!(10 == \old(a21)) && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && (!(a15 == 9) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a21 == 10) && ((6 == \old(a21) || 7 == \old(a21)) || 10 == \old(a21))) && 19 <= a12)) || (((((((!(a15 == 9) && 7 == a21) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && 18 < a12) && a24 == \old(a24)) && a12 <= 72) && a15 <= 7)) || !(1 == \old(a24))) || (((((((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && (!(a15 == 9) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a21 == 10) && a15 == \old(a15)) && 19 <= a12)) || (((81 <= a12 && 1 == a24) && 10 == a21) && 9 == a15) [2018-12-08 13:14:28,326 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d7611f23-123d-4dfd-b4a2-e28b6d603d35/bin-2019/uautomizer/witness.graphml [2018-12-08 13:14:28,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:14:28,326 INFO L168 Benchmark]: Toolchain (without parser) took 150204.55 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 957.1 MB in the beginning and 795.1 MB in the end (delta: 161.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-12-08 13:14:28,327 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:14:28,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:14:28,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-08 13:14:28,327 INFO L168 Benchmark]: Boogie Preprocessor took 41.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:14:28,327 INFO L168 Benchmark]: RCFGBuilder took 735.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 969.3 MB in the end (delta: 130.8 MB). Peak memory consumption was 130.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:14:28,327 INFO L168 Benchmark]: TraceAbstraction took 148941.09 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 969.3 MB in the beginning and 844.5 MB in the end (delta: 124.8 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-12-08 13:14:28,328 INFO L168 Benchmark]: Witness Printer took 92.93 ms. Allocated memory is still 3.3 GB. Free memory was 844.5 MB in the beginning and 795.1 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-12-08 13:14:28,329 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 735.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 969.3 MB in the end (delta: 130.8 MB). Peak memory consumption was 130.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 148941.09 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 969.3 MB in the beginning and 844.5 MB in the end (delta: 124.8 MB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 92.93 ms. Allocated memory is still 3.3 GB. Free memory was 844.5 MB in the beginning and 795.1 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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: 880]: Loop Invariant [2018-12-08 13:14:28,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-08 13:14:28,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((\old(a12) <= a12 && 1 == a24) && (((!(a15 == 9) && 7 == a21) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && 8 == a15) && a12 <= 11) || ((((\old(a12) <= a12 && a21 == 10) && a24 == \old(a24)) && a12 <= 11) && \old(a15) == a15)) || (a15 <= 7 && (!(10 == \old(a21)) && (((a21 == 6 && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(\old(a15) == 9)) && a15 <= 8) && ((6 == \old(a21) || 7 == \old(a21)) || 10 == \old(a21)))) || !(8 == \old(a15))) || (a12 + 460226 <= 0 && 7 == a15 && a24 == \old(a24))) || (((95381 <= a12 && a21 == 6 && 1 == a24) && a12 <= 95442) && 9 == a15)) || (((a12 <= 76 && ((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && \old(a15) == a15) && 19 <= a12)) || 0 < \old(a12) + 49) || (7 == a15 && ((!(10 == \old(a21)) && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && (!(a15 == 9) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a21 == 10) && ((6 == \old(a21) || 7 == \old(a21)) || 10 == \old(a21)))) || ((((1 == a24 && 7 == a21) && 19 <= a12) || ((8 == a21 && 1 == a24) && 19 <= a12)) && 9 == a15)) || ((((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && a15 <= 7)) || (((a15 == a21 && 9 == a15) && 1 == a24) && 19 <= a12)) || (((8 == a21 && a24 == \old(a24)) && a12 <= 11) && 9 == a15)) || ((((8 == a21 || 0 < a12 + 43) && \old(a12) <= a12) && (a24 == \old(a24) && a12 <= 11) && !(6 == a21)) && \old(a15) == a15)) || (((a21 == 8 && a12 <= 73282 && ((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && \old(a15) == a15) && 19 <= a12)) || ((a21 == 6 && a12 + 49 <= 0) && a15 <= 7)) || 7 < \old(a21)) || (((a21 == 6 && 1 == a24) && a12 + 49 <= 0) && a15 <= 8)) || (((!(10 == \old(a21)) && (((a21 == 6 && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(\old(a15) == 9)) && a15 <= 8) && ((6 == \old(a21) || 7 == \old(a21)) || 10 == \old(a21))) && (\exists v_prenex_5 : int :: (0 <= v_prenex_5 && 95381 <= v_prenex_5) && v_prenex_5 % 299959 + 286349 <= a12))) || (a15 <= 7 && (a24 == \old(a24) && a12 <= 11) && a21 == 10)) || \old(a21) < 7) || ((a24 == \old(a24) && a21 == 10 && a12 <= 11) && 9 == a15)) || ((a15 <= 7 && ((!(10 == \old(a21)) && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && (!(a15 == 9) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a21 == 10) && ((6 == \old(a21) || 7 == \old(a21)) || 10 == \old(a21))) && 19 <= a12)) || (((((((!(a15 == 9) && 7 == a21) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && 18 < a12) && a24 == \old(a24)) && a12 <= 72) && a15 <= 7)) || !(1 == \old(a24))) || (((((((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && (!(a15 == 9) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a21 == 10) && a15 == \old(a15)) && 19 <= a12)) || (((81 <= a12 && 1 == a24) && 10 == a21) && 9 == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 148.8s OverallTime, 18 OverallIterations, 16 TraceHistogramMax, 87.8s AutomataDifference, 0.0s DeadEndRemovalTime, 25.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1045 SDtfs, 62856 SDslu, 4661 SDs, 0 SdLazy, 87904 SolverSat, 9918 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 45.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17837 GetRequests, 16918 SyntacticMatches, 28 SemanticMatches, 891 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27119 ImplicationChecksByTransitivity, 35.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7106occurred in iteration=11, 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: 0.9s AutomataMinimizationTime, 18 MinimizatonAttempts, 8914 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 455 PreInvPairs, 605 NumberOfFragments, 2364 HoareAnnotationTreeSize, 455 FomulaSimplifications, 40505145 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 51662049 FormulaSimplificationTreeSizeReductionInter, 21.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 33366 NumberOfCodeBlocks, 33366 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 33333 ConstructedInterpolants, 6 QuantifiedInterpolants, 182554236 SizeOfPredicates, 25 NumberOfNonLiveVariables, 22956 ConjunctsInSsa, 184 ConjunctsInUnsatCore, 33 InterpolantComputations, 5 PerfectInterpolantSequences, 117650/142714 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...