./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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-aa41828 [2018-11-23 08:01:02,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:01:02,959 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:01:02,969 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:01:02,969 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:01:02,970 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:01:02,971 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:01:02,972 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:01:02,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:01:02,974 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:01:02,975 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:01:02,975 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:01:02,976 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:01:02,976 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:01:02,977 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:01:02,978 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:01:02,978 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:01:02,980 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:01:02,981 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:01:02,983 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:01:02,983 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:01:02,984 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:01:02,986 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:01:02,986 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:01:02,986 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:01:02,987 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:01:02,988 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:01:02,988 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:01:02,989 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:01:02,990 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:01:02,990 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:01:02,991 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:01:02,991 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:01:02,991 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:01:02,992 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:01:02,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:01:02,992 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:01:03,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:01:03,003 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:01:03,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:01:03,004 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:01:03,004 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:01:03,004 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:01:03,005 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:01:03,005 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:01:03,005 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:01:03,005 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:01:03,005 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:01:03,005 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:01:03,006 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:01:03,006 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:01:03,006 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:01:03,006 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:01:03,006 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:01:03,006 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:01:03,006 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:01:03,007 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:01:03,007 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:01:03,007 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:01:03,007 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:01:03,007 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:01:03,007 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:01:03,008 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:01:03,008 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:01:03,008 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:01:03,008 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:01:03,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:01:03,008 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_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:01:03,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:01:03,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:01:03,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:01:03,049 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:01:03,050 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:01:03,050 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-11-23 08:01:03,095 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/data/4f5ea9452/adac9e654fa045a7bf4e760a319983fe/FLAG3ce9eeb2b [2018-11-23 08:01:03,471 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:01:03,472 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-11-23 08:01:03,481 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/data/4f5ea9452/adac9e654fa045a7bf4e760a319983fe/FLAG3ce9eeb2b [2018-11-23 08:01:03,851 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/data/4f5ea9452/adac9e654fa045a7bf4e760a319983fe [2018-11-23 08:01:03,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:01:03,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:01:03,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:01:03,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:01:03,857 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:01:03,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:03" (1/1) ... [2018-11-23 08:01:03,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b965d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:03, skipping insertion in model container [2018-11-23 08:01:03,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:03" (1/1) ... [2018-11-23 08:01:03,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:01:03,907 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:01:04,174 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:01:04,178 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:01:04,263 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:01:04,275 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:01:04,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04 WrapperNode [2018-11-23 08:01:04,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:01:04,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:01:04,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:01:04,277 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:01:04,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (1/1) ... [2018-11-23 08:01:04,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (1/1) ... [2018-11-23 08:01:04,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:01:04,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:01:04,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:01:04,357 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:01:04,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (1/1) ... [2018-11-23 08:01:04,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (1/1) ... [2018-11-23 08:01:04,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (1/1) ... [2018-11-23 08:01:04,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (1/1) ... [2018-11-23 08:01:04,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (1/1) ... [2018-11-23 08:01:04,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (1/1) ... [2018-11-23 08:01:04,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (1/1) ... [2018-11-23 08:01:04,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:01:04,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:01:04,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:01:04,417 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:01:04,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:01:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 08:01:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:01:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:01:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 08:01:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 08:01:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:01:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:01:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:01:04,469 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:01:05,473 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:01:05,473 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 08:01:05,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:05 BoogieIcfgContainer [2018-11-23 08:01:05,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:01:05,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:01:05,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:01:05,477 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:01:05,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:01:03" (1/3) ... [2018-11-23 08:01:05,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2f682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:01:05, skipping insertion in model container [2018-11-23 08:01:05,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:04" (2/3) ... [2018-11-23 08:01:05,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2f682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:01:05, skipping insertion in model container [2018-11-23 08:01:05,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:05" (3/3) ... [2018-11-23 08:01:05,479 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label50_true-unreach-call_false-termination.c [2018-11-23 08:01:05,488 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:01:05,494 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:01:05,505 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:01:05,530 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:01:05,531 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:01:05,531 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:01:05,531 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:01:05,531 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:01:05,531 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:01:05,532 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:01:05,532 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:01:05,532 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:01:05,553 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-11-23 08:01:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 08:01:05,559 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:05,559 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] [2018-11-23 08:01:05,561 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:05,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:05,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1557712066, now seen corresponding path program 1 times [2018-11-23 08:01:05,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:05,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:05,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:05,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:05,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:01:05,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:01:05,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:01:05,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:01:05,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:01:05,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:01:05,799 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 3 states. [2018-11-23 08:01:06,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:06,555 INFO L93 Difference]: Finished difference Result 688 states and 1223 transitions. [2018-11-23 08:01:06,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:01:06,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2018-11-23 08:01:06,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:06,569 INFO L225 Difference]: With dead ends: 688 [2018-11-23 08:01:06,569 INFO L226 Difference]: Without dead ends: 432 [2018-11-23 08:01:06,574 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 [2018-11-23 08:01:06,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-11-23 08:01:06,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 432. [2018-11-23 08:01:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-11-23 08:01:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 763 transitions. [2018-11-23 08:01:06,626 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 763 transitions. Word has length 43 [2018-11-23 08:01:06,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:06,627 INFO L480 AbstractCegarLoop]: Abstraction has 432 states and 763 transitions. [2018-11-23 08:01:06,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:01:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 763 transitions. [2018-11-23 08:01:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 08:01:06,631 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:06,632 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] [2018-11-23 08:01:06,632 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:06,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:06,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1883069890, now seen corresponding path program 1 times [2018-11-23 08:01:06,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:06,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:06,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:06,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:06,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:01:06,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:01:06,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:01:06,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:01:06,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:01:06,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:01:06,809 INFO L87 Difference]: Start difference. First operand 432 states and 763 transitions. Second operand 6 states. [2018-11-23 08:01:07,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:07,465 INFO L93 Difference]: Finished difference Result 1056 states and 1891 transitions. [2018-11-23 08:01:07,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:01:07,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-11-23 08:01:07,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:07,469 INFO L225 Difference]: With dead ends: 1056 [2018-11-23 08:01:07,469 INFO L226 Difference]: Without dead ends: 630 [2018-11-23 08:01:07,470 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 [2018-11-23 08:01:07,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-23 08:01:07,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 622. [2018-11-23 08:01:07,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2018-11-23 08:01:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1016 transitions. [2018-11-23 08:01:07,493 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1016 transitions. Word has length 129 [2018-11-23 08:01:07,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:07,494 INFO L480 AbstractCegarLoop]: Abstraction has 622 states and 1016 transitions. [2018-11-23 08:01:07,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:01:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1016 transitions. [2018-11-23 08:01:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 08:01:07,496 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:07,497 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] [2018-11-23 08:01:07,497 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:07,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:07,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1079220531, now seen corresponding path program 1 times [2018-11-23 08:01:07,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:07,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:07,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:07,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:07,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:01:07,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:01:07,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:01:07,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:01:07,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:01:07,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:01:07,607 INFO L87 Difference]: Start difference. First operand 622 states and 1016 transitions. Second operand 4 states. [2018-11-23 08:01:08,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:08,767 INFO L93 Difference]: Finished difference Result 2340 states and 3998 transitions. [2018-11-23 08:01:08,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:01:08,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 138 [2018-11-23 08:01:08,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:08,775 INFO L225 Difference]: With dead ends: 2340 [2018-11-23 08:01:08,776 INFO L226 Difference]: Without dead ends: 1724 [2018-11-23 08:01:08,778 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 [2018-11-23 08:01:08,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1724 states. [2018-11-23 08:01:08,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1724 to 1724. [2018-11-23 08:01:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1724 states. [2018-11-23 08:01:08,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1724 states and 2659 transitions. [2018-11-23 08:01:08,816 INFO L78 Accepts]: Start accepts. Automaton has 1724 states and 2659 transitions. Word has length 138 [2018-11-23 08:01:08,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:08,816 INFO L480 AbstractCegarLoop]: Abstraction has 1724 states and 2659 transitions. [2018-11-23 08:01:08,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:01:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2659 transitions. [2018-11-23 08:01:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 08:01:08,822 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:08,822 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] [2018-11-23 08:01:08,822 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:08,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:08,823 INFO L82 PathProgramCache]: Analyzing trace with hash 762391661, now seen corresponding path program 1 times [2018-11-23 08:01:08,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:08,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:08,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:08,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:08,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 145 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:01:09,390 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:09,391 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:01:09,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:09,479 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 08:01:09,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:01:09,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2018-11-23 08:01:09,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 08:01:09,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 08:01:09,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-23 08:01:09,692 INFO L87 Difference]: Start difference. First operand 1724 states and 2659 transitions. Second operand 15 states. [2018-11-23 08:01:16,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:16,110 INFO L93 Difference]: Finished difference Result 9971 states and 15862 transitions. [2018-11-23 08:01:16,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-23 08:01:16,110 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 274 [2018-11-23 08:01:16,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:16,150 INFO L225 Difference]: With dead ends: 9971 [2018-11-23 08:01:16,150 INFO L226 Difference]: Without dead ends: 8253 [2018-11-23 08:01:16,170 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 288 SyntacticMatches, 6 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=713, Invalid=2947, Unknown=0, NotChecked=0, Total=3660 [2018-11-23 08:01:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8253 states. [2018-11-23 08:01:16,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8253 to 7570. [2018-11-23 08:01:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7570 states. [2018-11-23 08:01:16,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7570 states to 7570 states and 10501 transitions. [2018-11-23 08:01:16,355 INFO L78 Accepts]: Start accepts. Automaton has 7570 states and 10501 transitions. Word has length 274 [2018-11-23 08:01:16,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:16,356 INFO L480 AbstractCegarLoop]: Abstraction has 7570 states and 10501 transitions. [2018-11-23 08:01:16,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 08:01:16,356 INFO L276 IsEmpty]: Start isEmpty. Operand 7570 states and 10501 transitions. [2018-11-23 08:01:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-23 08:01:16,374 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:16,375 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] [2018-11-23 08:01:16,375 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:16,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:16,375 INFO L82 PathProgramCache]: Analyzing trace with hash 440905297, now seen corresponding path program 1 times [2018-11-23 08:01:16,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:16,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:16,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:16,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:16,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 194 proven. 197 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 08:01:17,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:17,076 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:01:17,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:17,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 305 proven. 53 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 08:01:17,484 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:17,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-11-23 08:01:17,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 08:01:17,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 08:01:17,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-23 08:01:17,486 INFO L87 Difference]: Start difference. First operand 7570 states and 10501 transitions. Second operand 15 states. [2018-11-23 08:01:19,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:19,593 INFO L93 Difference]: Finished difference Result 16684 states and 23241 transitions. [2018-11-23 08:01:19,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 08:01:19,593 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 376 [2018-11-23 08:01:19,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:19,621 INFO L225 Difference]: With dead ends: 16684 [2018-11-23 08:01:19,621 INFO L226 Difference]: Without dead ends: 8927 [2018-11-23 08:01:19,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 390 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2018-11-23 08:01:19,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8927 states. [2018-11-23 08:01:19,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8927 to 8496. [2018-11-23 08:01:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8496 states. [2018-11-23 08:01:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8496 states to 8496 states and 10743 transitions. [2018-11-23 08:01:19,796 INFO L78 Accepts]: Start accepts. Automaton has 8496 states and 10743 transitions. Word has length 376 [2018-11-23 08:01:19,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:19,796 INFO L480 AbstractCegarLoop]: Abstraction has 8496 states and 10743 transitions. [2018-11-23 08:01:19,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 08:01:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 8496 states and 10743 transitions. [2018-11-23 08:01:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2018-11-23 08:01:19,816 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:19,816 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] [2018-11-23 08:01:19,816 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:19,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:19,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1399345218, now seen corresponding path program 1 times [2018-11-23 08:01:19,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:19,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:19,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:19,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:19,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 337 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-23 08:01:20,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:20,448 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:01:20,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:20,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:20,660 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2018-11-23 08:01:20,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:01:20,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2018-11-23 08:01:20,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 08:01:20,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 08:01:20,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-11-23 08:01:20,686 INFO L87 Difference]: Start difference. First operand 8496 states and 10743 transitions. Second operand 16 states. [2018-11-23 08:01:23,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:23,380 INFO L93 Difference]: Finished difference Result 17645 states and 22454 transitions. [2018-11-23 08:01:23,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-23 08:01:23,381 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 401 [2018-11-23 08:01:23,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:23,407 INFO L225 Difference]: With dead ends: 17645 [2018-11-23 08:01:23,407 INFO L226 Difference]: Without dead ends: 9341 [2018-11-23 08:01:23,429 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 418 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=533, Invalid=1819, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 08:01:23,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9341 states. [2018-11-23 08:01:23,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9341 to 8261. [2018-11-23 08:01:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8261 states. [2018-11-23 08:01:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8261 states to 8261 states and 10012 transitions. [2018-11-23 08:01:23,568 INFO L78 Accepts]: Start accepts. Automaton has 8261 states and 10012 transitions. Word has length 401 [2018-11-23 08:01:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:23,568 INFO L480 AbstractCegarLoop]: Abstraction has 8261 states and 10012 transitions. [2018-11-23 08:01:23,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 08:01:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 8261 states and 10012 transitions. [2018-11-23 08:01:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2018-11-23 08:01:23,602 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:23,602 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] [2018-11-23 08:01:23,603 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:23,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:23,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1491217081, now seen corresponding path program 1 times [2018-11-23 08:01:23,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:23,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:23,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:23,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:23,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 416 proven. 222 refuted. 0 times theorem prover too weak. 645 trivial. 0 not checked. [2018-11-23 08:01:24,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:24,039 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:01:24,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:24,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 631 proven. 2 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2018-11-23 08:01:24,397 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:24,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-11-23 08:01:24,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 08:01:24,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 08:01:24,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:01:24,398 INFO L87 Difference]: Start difference. First operand 8261 states and 10012 transitions. Second operand 11 states. [2018-11-23 08:01:26,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:26,999 INFO L93 Difference]: Finished difference Result 21618 states and 26920 transitions. [2018-11-23 08:01:26,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 08:01:26,999 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 606 [2018-11-23 08:01:27,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:27,021 INFO L225 Difference]: With dead ends: 21618 [2018-11-23 08:01:27,021 INFO L226 Difference]: Without dead ends: 13549 [2018-11-23 08:01:27,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 620 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=231, Invalid=761, Unknown=0, NotChecked=0, Total=992 [2018-11-23 08:01:27,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13549 states. [2018-11-23 08:01:27,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13549 to 12349. [2018-11-23 08:01:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12349 states. [2018-11-23 08:01:27,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12349 states to 12349 states and 14424 transitions. [2018-11-23 08:01:27,142 INFO L78 Accepts]: Start accepts. Automaton has 12349 states and 14424 transitions. Word has length 606 [2018-11-23 08:01:27,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:27,142 INFO L480 AbstractCegarLoop]: Abstraction has 12349 states and 14424 transitions. [2018-11-23 08:01:27,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 08:01:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 12349 states and 14424 transitions. [2018-11-23 08:01:27,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2018-11-23 08:01:27,165 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:27,165 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] [2018-11-23 08:01:27,165 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:27,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:27,166 INFO L82 PathProgramCache]: Analyzing trace with hash -247966771, now seen corresponding path program 1 times [2018-11-23 08:01:27,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:27,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:27,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:27,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:27,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 551 proven. 777 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2018-11-23 08:01:27,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:27,981 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:01:27,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:28,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 1279 proven. 2 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2018-11-23 08:01:28,412 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:28,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 13 [2018-11-23 08:01:28,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 08:01:28,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 08:01:28,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:01:28,413 INFO L87 Difference]: Start difference. First operand 12349 states and 14424 transitions. Second operand 13 states. [2018-11-23 08:01:29,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:29,748 INFO L93 Difference]: Finished difference Result 24661 states and 29638 transitions. [2018-11-23 08:01:29,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 08:01:29,749 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 708 [2018-11-23 08:01:29,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:29,786 INFO L225 Difference]: With dead ends: 24661 [2018-11-23 08:01:29,786 INFO L226 Difference]: Without dead ends: 12361 [2018-11-23 08:01:29,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 716 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-11-23 08:01:29,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12361 states. [2018-11-23 08:01:29,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12361 to 11494. [2018-11-23 08:01:29,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11494 states. [2018-11-23 08:01:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11494 states to 11494 states and 13146 transitions. [2018-11-23 08:01:30,003 INFO L78 Accepts]: Start accepts. Automaton has 11494 states and 13146 transitions. Word has length 708 [2018-11-23 08:01:30,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:30,004 INFO L480 AbstractCegarLoop]: Abstraction has 11494 states and 13146 transitions. [2018-11-23 08:01:30,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 08:01:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 11494 states and 13146 transitions. [2018-11-23 08:01:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2018-11-23 08:01:30,027 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:30,027 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] [2018-11-23 08:01:30,027 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:30,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:30,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1237683807, now seen corresponding path program 1 times [2018-11-23 08:01:30,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:30,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:30,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:30,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:30,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1874 backedges. 577 proven. 855 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-11-23 08:01:31,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:31,096 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:01:31,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:31,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1874 backedges. 1357 proven. 2 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2018-11-23 08:01:31,466 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:31,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-23 08:01:31,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 08:01:31,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 08:01:31,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:01:31,468 INFO L87 Difference]: Start difference. First operand 11494 states and 13146 transitions. Second operand 18 states. [2018-11-23 08:01:35,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:35,588 INFO L93 Difference]: Finished difference Result 25382 states and 29930 transitions. [2018-11-23 08:01:35,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-23 08:01:35,588 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 734 [2018-11-23 08:01:35,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:35,621 INFO L225 Difference]: With dead ends: 25382 [2018-11-23 08:01:35,621 INFO L226 Difference]: Without dead ends: 13894 [2018-11-23 08:01:35,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 811 GetRequests, 759 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=590, Invalid=2272, Unknown=0, NotChecked=0, Total=2862 [2018-11-23 08:01:35,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13894 states. [2018-11-23 08:01:35,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13894 to 13180. [2018-11-23 08:01:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13180 states. [2018-11-23 08:01:35,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13180 states to 13180 states and 14927 transitions. [2018-11-23 08:01:35,832 INFO L78 Accepts]: Start accepts. Automaton has 13180 states and 14927 transitions. Word has length 734 [2018-11-23 08:01:35,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:35,832 INFO L480 AbstractCegarLoop]: Abstraction has 13180 states and 14927 transitions. [2018-11-23 08:01:35,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 08:01:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 13180 states and 14927 transitions. [2018-11-23 08:01:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2018-11-23 08:01:35,845 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:35,846 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] [2018-11-23 08:01:35,846 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:35,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:35,847 INFO L82 PathProgramCache]: Analyzing trace with hash -761058727, now seen corresponding path program 1 times [2018-11-23 08:01:35,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:35,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:35,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:35,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:35,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:37,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 777 proven. 841 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-11-23 08:01:37,405 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:37,405 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:01:37,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:37,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 1255 proven. 2 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2018-11-23 08:01:37,762 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:37,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-11-23 08:01:37,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 08:01:37,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 08:01:37,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-11-23 08:01:37,763 INFO L87 Difference]: Start difference. First operand 13180 states and 14927 transitions. Second operand 20 states. [2018-11-23 08:01:45,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:45,351 INFO L93 Difference]: Finished difference Result 32361 states and 37184 transitions. [2018-11-23 08:01:45,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-11-23 08:01:45,351 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 836 [2018-11-23 08:01:45,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:45,391 INFO L225 Difference]: With dead ends: 32361 [2018-11-23 08:01:45,392 INFO L226 Difference]: Without dead ends: 19046 [2018-11-23 08:01:45,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1014 GetRequests, 907 SyntacticMatches, 4 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3840 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1484, Invalid=9436, Unknown=0, NotChecked=0, Total=10920 [2018-11-23 08:01:45,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19046 states. [2018-11-23 08:01:45,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19046 to 18120. [2018-11-23 08:01:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18120 states. [2018-11-23 08:01:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18120 states to 18120 states and 20321 transitions. [2018-11-23 08:01:45,605 INFO L78 Accepts]: Start accepts. Automaton has 18120 states and 20321 transitions. Word has length 836 [2018-11-23 08:01:45,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:45,605 INFO L480 AbstractCegarLoop]: Abstraction has 18120 states and 20321 transitions. [2018-11-23 08:01:45,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 08:01:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 18120 states and 20321 transitions. [2018-11-23 08:01:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1139 [2018-11-23 08:01:45,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:45,634 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] [2018-11-23 08:01:45,634 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:45,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:45,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1661791935, now seen corresponding path program 1 times [2018-11-23 08:01:45,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:45,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:45,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:45,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:45,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:46,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 1657 proven. 355 refuted. 0 times theorem prover too weak. 1947 trivial. 0 not checked. [2018-11-23 08:01:46,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:46,436 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:01:46,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:46,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:47,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3959 backedges. 2442 proven. 6 refuted. 0 times theorem prover too weak. 1511 trivial. 0 not checked. [2018-11-23 08:01:47,098 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:47,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-11-23 08:01:47,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:01:47,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:01:47,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:01:47,099 INFO L87 Difference]: Start difference. First operand 18120 states and 20321 transitions. Second operand 9 states. [2018-11-23 08:01:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:48,971 INFO L93 Difference]: Finished difference Result 41606 states and 50130 transitions. [2018-11-23 08:01:48,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 08:01:48,972 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1138 [2018-11-23 08:01:48,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:49,046 INFO L225 Difference]: With dead ends: 41606 [2018-11-23 08:01:49,046 INFO L226 Difference]: Without dead ends: 23347 [2018-11-23 08:01:49,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1170 GetRequests, 1150 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2018-11-23 08:01:49,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23347 states. [2018-11-23 08:01:49,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23347 to 22101. [2018-11-23 08:01:49,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22101 states. [2018-11-23 08:01:49,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22101 states to 22101 states and 25071 transitions. [2018-11-23 08:01:49,440 INFO L78 Accepts]: Start accepts. Automaton has 22101 states and 25071 transitions. Word has length 1138 [2018-11-23 08:01:49,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:49,440 INFO L480 AbstractCegarLoop]: Abstraction has 22101 states and 25071 transitions. [2018-11-23 08:01:49,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:01:49,441 INFO L276 IsEmpty]: Start isEmpty. Operand 22101 states and 25071 transitions. [2018-11-23 08:01:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1161 [2018-11-23 08:01:49,481 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:49,481 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] [2018-11-23 08:01:49,481 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:49,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:49,482 INFO L82 PathProgramCache]: Analyzing trace with hash 211080301, now seen corresponding path program 1 times [2018-11-23 08:01:49,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:49,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:49,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:49,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:49,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:51,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4192 backedges. 1020 proven. 1833 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2018-11-23 08:01:51,040 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:51,040 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:01:51,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:51,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:51,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4192 backedges. 2567 proven. 2 refuted. 0 times theorem prover too weak. 1623 trivial. 0 not checked. [2018-11-23 08:01:51,728 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:51,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-23 08:01:51,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 08:01:51,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 08:01:51,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-11-23 08:01:51,730 INFO L87 Difference]: Start difference. First operand 22101 states and 25071 transitions. Second operand 17 states. [2018-11-23 08:01:54,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:01:54,633 INFO L93 Difference]: Finished difference Result 44250 states and 52251 transitions. [2018-11-23 08:01:54,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-23 08:01:54,633 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1160 [2018-11-23 08:01:54,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:01:54,680 INFO L225 Difference]: With dead ends: 44250 [2018-11-23 08:01:54,681 INFO L226 Difference]: Without dead ends: 20666 [2018-11-23 08:01:54,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1242 GetRequests, 1186 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=670, Invalid=2636, Unknown=0, NotChecked=0, Total=3306 [2018-11-23 08:01:54,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20666 states. [2018-11-23 08:01:54,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20666 to 20312. [2018-11-23 08:01:54,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20312 states. [2018-11-23 08:01:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20312 states to 20312 states and 22425 transitions. [2018-11-23 08:01:54,955 INFO L78 Accepts]: Start accepts. Automaton has 20312 states and 22425 transitions. Word has length 1160 [2018-11-23 08:01:54,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:01:54,955 INFO L480 AbstractCegarLoop]: Abstraction has 20312 states and 22425 transitions. [2018-11-23 08:01:54,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 08:01:54,955 INFO L276 IsEmpty]: Start isEmpty. Operand 20312 states and 22425 transitions. [2018-11-23 08:01:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1225 [2018-11-23 08:01:54,975 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:01:54,975 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] [2018-11-23 08:01:54,975 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:01:54,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:01:54,976 INFO L82 PathProgramCache]: Analyzing trace with hash 99077237, now seen corresponding path program 1 times [2018-11-23 08:01:54,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:01:54,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:01:54,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:54,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:54,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:01:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4338 backedges. 1028 proven. 1936 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2018-11-23 08:01:57,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:01:57,096 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:01:57,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:01:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:01:57,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:01:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4338 backedges. 2591 proven. 2 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2018-11-23 08:01:57,889 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:01:57,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-11-23 08:01:57,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 08:01:57,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 08:01:57,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:01:57,891 INFO L87 Difference]: Start difference. First operand 20312 states and 22425 transitions. Second operand 18 states. [2018-11-23 08:02:01,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:02:01,018 INFO L93 Difference]: Finished difference Result 40823 states and 45148 transitions. [2018-11-23 08:02:01,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-23 08:02:01,018 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1224 [2018-11-23 08:02:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:02:01,055 INFO L225 Difference]: With dead ends: 40823 [2018-11-23 08:02:01,055 INFO L226 Difference]: Without dead ends: 20701 [2018-11-23 08:02:01,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1300 GetRequests, 1252 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=526, Invalid=1924, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 08:02:01,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20701 states. [2018-11-23 08:02:01,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20701 to 18785. [2018-11-23 08:02:01,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18785 states. [2018-11-23 08:02:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18785 states to 18785 states and 20136 transitions. [2018-11-23 08:02:01,289 INFO L78 Accepts]: Start accepts. Automaton has 18785 states and 20136 transitions. Word has length 1224 [2018-11-23 08:02:01,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:02:01,290 INFO L480 AbstractCegarLoop]: Abstraction has 18785 states and 20136 transitions. [2018-11-23 08:02:01,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 08:02:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 18785 states and 20136 transitions. [2018-11-23 08:02:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1574 [2018-11-23 08:02:01,316 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:02:01,317 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] [2018-11-23 08:02:01,317 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:02:01,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:02:01,317 INFO L82 PathProgramCache]: Analyzing trace with hash 283026254, now seen corresponding path program 1 times [2018-11-23 08:02:01,318 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:02:01,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:02:01,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:02:01,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:02:01,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:02:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:02:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7488 backedges. 1135 proven. 3869 refuted. 0 times theorem prover too weak. 2484 trivial. 0 not checked. [2018-11-23 08:02:03,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:02:03,704 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:02:03,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:02:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:02:03,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:02:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 7488 backedges. 4614 proven. 2 refuted. 0 times theorem prover too weak. 2872 trivial. 0 not checked. [2018-11-23 08:02:04,536 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:02:04,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-23 08:02:04,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 08:02:04,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 08:02:04,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:02:04,538 INFO L87 Difference]: Start difference. First operand 18785 states and 20136 transitions. Second operand 19 states. [2018-11-23 08:02:08,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:02:08,922 INFO L93 Difference]: Finished difference Result 38137 states and 42669 transitions. [2018-11-23 08:02:08,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-11-23 08:02:08,923 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1573 [2018-11-23 08:02:08,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:02:08,973 INFO L225 Difference]: With dead ends: 38137 [2018-11-23 08:02:08,973 INFO L226 Difference]: Without dead ends: 19542 [2018-11-23 08:02:08,999 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1679 GetRequests, 1611 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1318 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=984, Invalid=3572, Unknown=0, NotChecked=0, Total=4556 [2018-11-23 08:02:09,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19542 states. [2018-11-23 08:02:09,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19542 to 18868. [2018-11-23 08:02:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18868 states. [2018-11-23 08:02:09,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18868 states to 18868 states and 20184 transitions. [2018-11-23 08:02:09,247 INFO L78 Accepts]: Start accepts. Automaton has 18868 states and 20184 transitions. Word has length 1573 [2018-11-23 08:02:09,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:02:09,248 INFO L480 AbstractCegarLoop]: Abstraction has 18868 states and 20184 transitions. [2018-11-23 08:02:09,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 08:02:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand 18868 states and 20184 transitions. [2018-11-23 08:02:09,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1692 [2018-11-23 08:02:09,275 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:02:09,275 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] [2018-11-23 08:02:09,276 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:02:09,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:02:09,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1717289902, now seen corresponding path program 1 times [2018-11-23 08:02:09,276 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:02:09,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:02:09,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:02:09,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:02:09,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:02:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:02:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 8838 backedges. 1919 proven. 5284 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2018-11-23 08:02:12,618 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:02:12,618 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:02:12,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:02:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:02:12,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:02:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8838 backedges. 2852 proven. 84 refuted. 0 times theorem prover too weak. 5902 trivial. 0 not checked. [2018-11-23 08:02:13,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:02:13,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8] total 33 [2018-11-23 08:02:13,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-23 08:02:13,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-23 08:02:13,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 08:02:13,825 INFO L87 Difference]: Start difference. First operand 18868 states and 20184 transitions. Second operand 33 states. [2018-11-23 08:02:35,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:02:35,829 INFO L93 Difference]: Finished difference Result 43936 states and 48607 transitions. [2018-11-23 08:02:35,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-11-23 08:02:35,830 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1691 [2018-11-23 08:02:35,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:02:35,885 INFO L225 Difference]: With dead ends: 43936 [2018-11-23 08:02:35,886 INFO L226 Difference]: Without dead ends: 25258 [2018-11-23 08:02:35,923 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1983 GetRequests, 1778 SyntacticMatches, 2 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16132 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=5266, Invalid=36554, Unknown=0, NotChecked=0, Total=41820 [2018-11-23 08:02:35,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25258 states. [2018-11-23 08:02:36,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25258 to 20757. [2018-11-23 08:02:36,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20757 states. [2018-11-23 08:02:36,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20757 states to 20757 states and 22533 transitions. [2018-11-23 08:02:36,348 INFO L78 Accepts]: Start accepts. Automaton has 20757 states and 22533 transitions. Word has length 1691 [2018-11-23 08:02:36,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:02:36,349 INFO L480 AbstractCegarLoop]: Abstraction has 20757 states and 22533 transitions. [2018-11-23 08:02:36,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-23 08:02:36,349 INFO L276 IsEmpty]: Start isEmpty. Operand 20757 states and 22533 transitions. [2018-11-23 08:02:36,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1869 [2018-11-23 08:02:36,375 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:02:36,376 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] [2018-11-23 08:02:36,376 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:02:36,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:02:36,379 INFO L82 PathProgramCache]: Analyzing trace with hash -2011551767, now seen corresponding path program 1 times [2018-11-23 08:02:36,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:02:36,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:02:36,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:02:36,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:02:36,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:02:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:02:37,763 INFO L134 CoverageAnalysis]: Checked inductivity of 10501 backedges. 1996 proven. 517 refuted. 0 times theorem prover too weak. 7988 trivial. 0 not checked. [2018-11-23 08:02:37,763 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:02:37,763 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:02:37,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:02:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:02:37,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:02:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 10501 backedges. 4529 proven. 2 refuted. 0 times theorem prover too weak. 5970 trivial. 0 not checked. [2018-11-23 08:02:38,921 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:02:38,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-23 08:02:38,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 08:02:38,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 08:02:38,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:02:38,924 INFO L87 Difference]: Start difference. First operand 20757 states and 22533 transitions. Second operand 11 states. [2018-11-23 08:02:40,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:02:40,547 INFO L93 Difference]: Finished difference Result 38956 states and 42421 transitions. [2018-11-23 08:02:40,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-23 08:02:40,547 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1868 [2018-11-23 08:02:40,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:02:40,556 INFO L225 Difference]: With dead ends: 38956 [2018-11-23 08:02:40,556 INFO L226 Difference]: Without dead ends: 5633 [2018-11-23 08:02:40,601 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1911 GetRequests, 1881 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2018-11-23 08:02:40,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5633 states. [2018-11-23 08:02:40,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5633 to 5170. [2018-11-23 08:02:40,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5170 states. [2018-11-23 08:02:40,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 5319 transitions. [2018-11-23 08:02:40,673 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 5319 transitions. Word has length 1868 [2018-11-23 08:02:40,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:02:40,673 INFO L480 AbstractCegarLoop]: Abstraction has 5170 states and 5319 transitions. [2018-11-23 08:02:40,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 08:02:40,674 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 5319 transitions. [2018-11-23 08:02:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1944 [2018-11-23 08:02:40,691 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:02:40,691 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] [2018-11-23 08:02:40,691 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:02:40,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:02:40,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1661795698, now seen corresponding path program 1 times [2018-11-23 08:02:40,692 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:02:40,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:02:40,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:02:40,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:02:40,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:02:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:02:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 11981 backedges. 1804 proven. 6753 refuted. 0 times theorem prover too weak. 3424 trivial. 0 not checked. [2018-11-23 08:02:44,392 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:02:44,392 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:02:44,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:02:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:02:44,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:02:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 11981 backedges. 5784 proven. 12 refuted. 0 times theorem prover too weak. 6185 trivial. 0 not checked. [2018-11-23 08:02:46,944 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:02:46,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 9] total 34 [2018-11-23 08:02:46,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-23 08:02:46,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-23 08:02:46,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1019, Unknown=1, NotChecked=0, Total=1122 [2018-11-23 08:02:46,946 INFO L87 Difference]: Start difference. First operand 5170 states and 5319 transitions. Second operand 34 states. [2018-11-23 08:02:55,161 WARN L180 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2018-11-23 08:03:03,186 WARN L180 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2018-11-23 08:03:06,217 WARN L180 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2018-11-23 08:03:11,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:11,031 INFO L93 Difference]: Finished difference Result 12927 states and 13563 transitions. [2018-11-23 08:03:11,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-11-23 08:03:11,031 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1943 [2018-11-23 08:03:11,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:11,041 INFO L225 Difference]: With dead ends: 12927 [2018-11-23 08:03:11,041 INFO L226 Difference]: Without dead ends: 6825 [2018-11-23 08:03:11,048 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2146 GetRequests, 1995 SyntacticMatches, 2 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7493 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=2935, Invalid=19714, Unknown=1, NotChecked=0, Total=22650 [2018-11-23 08:03:11,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6825 states. [2018-11-23 08:03:11,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6825 to 4923. [2018-11-23 08:03:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4923 states. [2018-11-23 08:03:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 4923 states and 5025 transitions. [2018-11-23 08:03:11,116 INFO L78 Accepts]: Start accepts. Automaton has 4923 states and 5025 transitions. Word has length 1943 [2018-11-23 08:03:11,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:11,117 INFO L480 AbstractCegarLoop]: Abstraction has 4923 states and 5025 transitions. [2018-11-23 08:03:11,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-23 08:03:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 5025 transitions. [2018-11-23 08:03:11,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1997 [2018-11-23 08:03:11,134 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:03:11,134 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] [2018-11-23 08:03:11,134 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:03:11,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:03:11,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1914719255, now seen corresponding path program 1 times [2018-11-23 08:03:11,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:03:11,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:03:11,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:11,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:11,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:03:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12149 backedges. 6709 proven. 1411 refuted. 0 times theorem prover too weak. 4029 trivial. 0 not checked. [2018-11-23 08:03:14,941 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:03:14,941 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/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 [2018-11-23 08:03:14,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:03:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:03:15,172 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:03:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 12149 backedges. 2134 proven. 2 refuted. 0 times theorem prover too weak. 10013 trivial. 0 not checked. [2018-11-23 08:03:16,445 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:03:16,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 19 [2018-11-23 08:03:16,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 08:03:16,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 08:03:16,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:03:16,447 INFO L87 Difference]: Start difference. First operand 4923 states and 5025 transitions. Second operand 19 states. [2018-11-23 08:03:19,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:03:19,270 INFO L93 Difference]: Finished difference Result 7131 states and 7357 transitions. [2018-11-23 08:03:19,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-23 08:03:19,271 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1996 [2018-11-23 08:03:19,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:03:19,272 INFO L225 Difference]: With dead ends: 7131 [2018-11-23 08:03:19,272 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:03:19,279 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2076 GetRequests, 2029 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 550 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=533, Invalid=1819, Unknown=0, NotChecked=0, Total=2352 [2018-11-23 08:03:19,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:03:19,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:03:19,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:03:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:03:19,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1996 [2018-11-23 08:03:19,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:03:19,281 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:03:19,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 08:03:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:03:19,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:03:19,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:03:19,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:19,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:20,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:23,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:23,672 WARN L180 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 1430 DAG size of output: 1281 [2018-11-23 08:03:23,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:23,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:24,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:26,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:03:27,292 WARN L180 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 1430 DAG size of output: 1281 [2018-11-23 08:03:29,123 WARN L180 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 532 DAG size of output: 127 [2018-11-23 08:03:38,522 WARN L180 SmtUtils]: Spent 9.38 s on a formula simplification. DAG size of input: 1203 DAG size of output: 156 [2018-11-23 08:03:47,981 WARN L180 SmtUtils]: Spent 9.45 s on a formula simplification. DAG size of input: 1203 DAG size of output: 156 [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:03:47,983 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)) [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 08:03:47,983 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,984 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-23 08:03:47,985 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-23 08:03:47,986 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-23 08:03:47,987 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,988 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,989 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,989 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-23 08:03:47,989 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-23 08:03:47,989 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 08:03:47,989 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 08:03:47,989 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 08:03:47,989 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-23 08:03:47,989 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse23 (= 8 ~a15~0)) (.cse20 (= 6 |old(~a21~0)|)) (.cse25 (= 10 |old(~a21~0)|)) (.cse15 (= 7 |old(~a15~0)|)) (.cse18 (= ~a21~0 |old(~a21~0)|)) (.cse26 (= |old(~a15~0)| ~a15~0)) (.cse16 (= ~a12~0 |old(~a12~0)|)) (.cse17 (= 1 ~a24~0)) (.cse24 (= 10 ~a21~0)) (.cse27 (= 9 ~a15~0))) (let ((.cse5 (and .cse16 .cse17 .cse24 .cse27)) (.cse7 (and .cse16 .cse26 .cse17 .cse24)) (.cse0 (and .cse16 .cse18 .cse17 .cse27)) (.cse1 (not (= 9 |old(~a15~0)|))) (.cse13 (not .cse15)) (.cse11 (and .cse16 (= ~a24~0 |old(~a24~0)|) .cse18 .cse26)) (.cse9 (< 0 (+ |old(~a12~0)| 49))) (.cse4 (not .cse25)) (.cse12 (= 7 |old(~a21~0)|)) (.cse8 (< 7 |old(~a15~0)|)) (.cse10 (and .cse16 .cse18 .cse26 .cse17)) (.cse19 (< |old(~a12~0)| 19)) (.cse14 (not (= 8 |old(~a21~0)|))) (.cse6 (< 11 |old(~a12~0)|)) (.cse2 (not .cse20)) (.cse3 (not (= 1 |old(~a24~0)|))) (.cse22 (not (= 8 |old(~a15~0)|))) (.cse21 (and .cse16 .cse18 .cse17 .cse23))) (and (or .cse0 .cse1 (or .cse2 (< 95442 |old(~a12~0)|) (< |old(~a12~0)| 95381)) .cse3) (or .cse1 .cse4 .cse5 (< |old(~a12~0)| 81) .cse3) (or .cse4 .cse3 .cse6 .cse7 .cse8) (or .cse2 .cse9 .cse3 .cse10 (< 8 |old(~a15~0)|)) (or .cse11 .cse12 .cse3 .cse13) (or .cse0 .cse14 .cse1 .cse3 .cse6) (or .cse10 (< 72 |old(~a12~0)|) .cse15 .cse3 .cse8 (<= |old(~a12~0)| 18)) (or .cse1 .cse4 .cse5 .cse3 .cse6) (or (and (and .cse16 .cse17) .cse18 (= ~a15~0 |old(~a15~0)|)) (and (or .cse1 .cse19 .cse14) (or .cse1 (not .cse12) .cse19)) .cse3) (or .cse19 .cse7 .cse4 .cse3 .cse8) (or .cse0 .cse1 .cse19 .cse3 (not (= |old(~a15~0)| |old(~a21~0)|))) (or (and .cse16 .cse18 (= 7 ~a15~0) .cse17) .cse3 .cse6 .cse13) (or .cse11 .cse9 .cse2 .cse15 .cse8) (or (or .cse20 (< 76 |old(~a12~0)|) .cse12) .cse21 .cse19 .cse3 .cse22) (or .cse19 .cse4 .cse3 .cse22 (and .cse16 .cse17 .cse23 .cse24)) (or .cse12 .cse3 .cse8 .cse10 .cse25) (or .cse19 .cse22 .cse21 .cse14 .cse3 (< 73282 |old(~a12~0)|)) (or .cse21 (or .cse22 .cse20 .cse3 .cse6)) (or .cse2 (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))) .cse3 .cse22 .cse21)))) [2018-11-23 08:03:47,989 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,990 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 08:03:47,991 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-23 08:03:47,992 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,993 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-23 08:03:47,994 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-23 08:03:47,995 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-23 08:03:47,996 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-23 08:03:47,997 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,998 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-23 08:03:47,999 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 08:03:48,000 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 08:03:48,000 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 08:03:48,000 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-23 08:03:48,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:03:48,000 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)) [2018-11-23 08:03:48,000 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:03:48,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:03:48,000 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)|))) [2018-11-23 08:03:48,000 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-23 08:03:48,001 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse8 (= ~a15~0 9)) (.cse26 (= 7 ~a21~0))) (let ((.cse23 (not (= 8 |old(~a15~0)|))) (.cse11 (= 10 ~a21~0)) (.cse7 (not (= 6 ~a21~0))) (.cse27 (not .cse26)) (.cse13 (= ~a21~0 6)) (.cse17 (not (= 1 |old(~a24~0)|))) (.cse6 (<= ~a12~0 11)) (.cse0 (= 1 ~a24~0)) (.cse29 (or (and (not (= 7 |old(~a21~0)|)) (not (= 8 |old(~a21~0)|))) (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|))) (.cse28 (not .cse8)) (.cse14 (not (= ~a15~0 7)))) (let ((.cse3 (= 8 ~a21~0)) (.cse18 (and .cse28 .cse26 .cse14)) (.cse4 (<= |old(~a12~0)| ~a12~0)) (.cse10 (= |old(~a15~0)| ~a15~0)) (.cse22 (= ~a15~0 |old(~a15~0)|)) (.cse21 (and .cse28 .cse0 .cse29)) (.cse20 (= ~a21~0 10)) (.cse19 (and .cse0 .cse6)) (.cse24 (and .cse13 .cse28 .cse0 .cse29 (or .cse17 (not (= |old(~a15~0)| 9))))) (.cse2 (= 9 ~a15~0)) (.cse1 (<= 19 ~a12~0)) (.cse12 (and .cse28 .cse27 .cse0 .cse29 .cse6)) (.cse9 (and (or (not (= 10 |old(~a21~0)|)) (<= 0 (+ |old(~a12~0)| 42)) .cse23 .cse17) (and .cse28 (not .cse11) .cse27 .cse0 .cse29 .cse7))) (.cse16 (<= ~a15~0 7)) (.cse25 (= 7 ~a15~0)) (.cse5 (= 8 ~a15~0)) (.cse15 (<= (+ ~a12~0 49) 0))) (or (and .cse0 (and (= ~a15~0 ~a21~0) .cse1) .cse2) (< 0 (+ |old(~a12~0)| 49)) (and (or .cse3 (< 0 (+ ~a12~0 43))) .cse4 .cse0 (and .cse5 (and .cse6 .cse7))) (and (and (and .cse3 .cse0) .cse8) .cse1) (and (and (and (<= ~a12~0 73282) .cse9) (= ~a21~0 8)) .cse10 .cse1) (and .cse4 (and .cse11 .cse12) .cse10) (and (and (<= ~a12~0 76) .cse9) .cse10 .cse1) (and (and .cse13 .cse14 .cse15) .cse16) .cse17 (and .cse3 (= ~a24~0 |old(~a24~0)|) .cse8 .cse6) (and .cse18 .cse0 .cse16 (< 18 ~a12~0) (<= ~a12~0 72)) (and .cse0 (<= 81 ~a12~0) .cse11 .cse2) (and (and .cse19 .cse20) .cse2) (and (and .cse21 .cse22) .cse20 .cse1) .cse23 (and (and (and .cse0 .cse18) .cse6) .cse4 .cse10) (and .cse24 (exists ((v_prenex_5 Int)) (and (<= 0 v_prenex_5) (<= 95381 v_prenex_5) (<= (+ (mod v_prenex_5 299959) 286349) ~a12~0))) .cse22) (and (and (<= 95381 ~a12~0) (and .cse13 .cse0) (<= ~a12~0 95442)) .cse2) (and (and .cse16 (and .cse21 .cse20)) .cse1) (and .cse25 .cse19) (and .cse24 .cse16) (and (and .cse0 (and .cse26 .cse2)) .cse1) (< 7 |old(~a21~0)|) (and .cse16 .cse12) (and .cse9 .cse16) (< |old(~a21~0)| 7) (and .cse25 (and .cse27 .cse0)) (and .cse5 (and .cse13 .cse0 .cse15)))))) [2018-11-23 08:03:48,001 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-23 08:03:48,001 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-23 08:03:48,001 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse8 (= ~a15~0 9)) (.cse26 (= 7 ~a21~0))) (let ((.cse23 (not (= 8 |old(~a15~0)|))) (.cse11 (= 10 ~a21~0)) (.cse7 (not (= 6 ~a21~0))) (.cse27 (not .cse26)) (.cse13 (= ~a21~0 6)) (.cse17 (not (= 1 |old(~a24~0)|))) (.cse6 (<= ~a12~0 11)) (.cse0 (= 1 ~a24~0)) (.cse29 (or (and (not (= 7 |old(~a21~0)|)) (not (= 8 |old(~a21~0)|))) (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|))) (.cse28 (not .cse8)) (.cse14 (not (= ~a15~0 7)))) (let ((.cse3 (= 8 ~a21~0)) (.cse18 (and .cse28 .cse26 .cse14)) (.cse4 (<= |old(~a12~0)| ~a12~0)) (.cse10 (= |old(~a15~0)| ~a15~0)) (.cse22 (= ~a15~0 |old(~a15~0)|)) (.cse21 (and .cse28 .cse0 .cse29)) (.cse20 (= ~a21~0 10)) (.cse19 (and .cse0 .cse6)) (.cse24 (and .cse13 .cse28 .cse0 .cse29 (or .cse17 (not (= |old(~a15~0)| 9))))) (.cse2 (= 9 ~a15~0)) (.cse1 (<= 19 ~a12~0)) (.cse12 (and .cse28 .cse27 .cse0 .cse29 .cse6)) (.cse9 (and (or (not (= 10 |old(~a21~0)|)) (<= 0 (+ |old(~a12~0)| 42)) .cse23 .cse17) (and .cse28 (not .cse11) .cse27 .cse0 .cse29 .cse7))) (.cse16 (<= ~a15~0 7)) (.cse25 (= 7 ~a15~0)) (.cse5 (= 8 ~a15~0)) (.cse15 (<= (+ ~a12~0 49) 0))) (or (and .cse0 (and (= ~a15~0 ~a21~0) .cse1) .cse2) (< 0 (+ |old(~a12~0)| 49)) (and (or .cse3 (< 0 (+ ~a12~0 43))) .cse4 .cse0 (and .cse5 (and .cse6 .cse7))) (and (and (and .cse3 .cse0) .cse8) .cse1) (and (and (and (<= ~a12~0 73282) .cse9) (= ~a21~0 8)) .cse10 .cse1) (and .cse4 (and .cse11 .cse12) .cse10) (and (and (<= ~a12~0 76) .cse9) .cse10 .cse1) (and (and .cse13 .cse14 .cse15) .cse16) .cse17 (and .cse3 (= ~a24~0 |old(~a24~0)|) .cse8 .cse6) (and .cse18 .cse0 .cse16 (< 18 ~a12~0) (<= ~a12~0 72)) (and .cse0 (<= 81 ~a12~0) .cse11 .cse2) (and (and .cse19 .cse20) .cse2) (and (and .cse21 .cse22) .cse20 .cse1) .cse23 (and (and (and .cse0 .cse18) .cse6) .cse4 .cse10) (and .cse24 (exists ((v_prenex_5 Int)) (and (<= 0 v_prenex_5) (<= 95381 v_prenex_5) (<= (+ (mod v_prenex_5 299959) 286349) ~a12~0))) .cse22) (and (and (<= 95381 ~a12~0) (and .cse13 .cse0) (<= ~a12~0 95442)) .cse2) (and (and .cse16 (and .cse21 .cse20)) .cse1) (and .cse25 .cse19) (and .cse24 .cse16) (and (and .cse0 (and .cse26 .cse2)) .cse1) (< 7 |old(~a21~0)|) (and .cse16 .cse12) (and .cse9 .cse16) (< |old(~a21~0)| 7) (and .cse25 (and .cse27 .cse0)) (and .cse5 (and .cse13 .cse0 .cse15)))))) [2018-11-23 08:03:48,001 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-11-23 08:03:48,010 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,011 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:03:48 BoogieIcfgContainer [2018-11-23 08:03:48,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:03:48,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:03:48,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:03:48,027 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:03:48,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:05" (3/4) ... [2018-11-23 08:03:48,031 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:03:48,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:03:48,038 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 08:03:48,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:03:48,061 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 08:03:48,062 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 08:03:48,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((1 == a24 && a15 == a21 && 19 <= a12) && 9 == a15) || 0 < \old(a12) + 49) || ((((8 == a21 || 0 < a12 + 43) && \old(a12) <= a12) && 1 == a24) && 8 == a15 && a12 <= 11 && !(6 == a21))) || (((8 == a21 && 1 == a24) && a15 == 9) && 19 <= a12)) || ((((a12 <= 73282 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && ((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && a21 == 8) && \old(a15) == a15) && 19 <= a12)) || ((\old(a12) <= a12 && 10 == a21 && (((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a12 <= 11) && \old(a15) == a15)) || (((a12 <= 76 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && ((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && \old(a15) == a15) && 19 <= a12)) || (((a21 == 6 && !(a15 == 7)) && a12 + 49 <= 0) && a15 <= 7)) || !(1 == \old(a24))) || (((8 == a21 && a24 == \old(a24)) && a15 == 9) && a12 <= 11)) || ((((((!(a15 == 9) && 7 == a21) && !(a15 == 7)) && 1 == a24) && a15 <= 7) && 18 < a12) && a12 <= 72)) || (((1 == a24 && 81 <= a12) && 10 == a21) && 9 == a15)) || (((1 == a24 && a12 <= 11) && a21 == 10) && 9 == a15)) || (((((!(a15 == 9) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a15 == \old(a15)) && a21 == 10) && 19 <= a12)) || !(8 == \old(a15))) || ((((1 == a24 && (!(a15 == 9) && 7 == a21) && !(a15 == 7)) && a12 <= 11) && \old(a12) <= a12) && \old(a15) == a15)) || ((((((a21 == 6 && !(a15 == 9)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && (\exists v_prenex_5 : int :: (0 <= v_prenex_5 && 95381 <= v_prenex_5) && v_prenex_5 % 299959 + 286349 <= a12)) && a15 == \old(a15))) || (((95381 <= a12 && a21 == 6 && 1 == a24) && a12 <= 95442) && 9 == a15)) || ((a15 <= 7 && ((!(a15 == 9) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a21 == 10) && 19 <= a12)) || (7 == a15 && 1 == a24 && a12 <= 11)) || (((((a21 == 6 && !(a15 == 9)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && a15 <= 7)) || ((1 == a24 && 7 == a21 && 9 == a15) && 19 <= a12)) || 7 < \old(a21)) || (a15 <= 7 && (((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a12 <= 11)) || (((((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && ((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && a15 <= 7)) || \old(a21) < 7) || (7 == a15 && !(7 == a21) && 1 == a24)) || (8 == a15 && (a21 == 6 && 1 == a24) && a12 + 49 <= 0) [2018-11-23 08:03:48,179 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0db15a82-394d-4284-9a16-76142be74301/bin-2019/uautomizer/witness.graphml [2018-11-23 08:03:48,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:03:48,180 INFO L168 Benchmark]: Toolchain (without parser) took 164326.87 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 951.1 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-11-23 08:03:48,181 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:03:48,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 908.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:03:48,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 908.1 MB in the beginning and 1.1 GB in the end (delta: -220.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:03:48,181 INFO L168 Benchmark]: Boogie Preprocessor took 59.09 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:03:48,181 INFO L168 Benchmark]: RCFGBuilder took 1057.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.9 MB in the end (delta: 131.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:03:48,182 INFO L168 Benchmark]: TraceAbstraction took 162552.41 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 993.9 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-23 08:03:48,182 INFO L168 Benchmark]: Witness Printer took 152.37 ms. Allocated memory is still 5.0 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:03:48,183 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 421.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 908.1 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 908.1 MB in the beginning and 1.1 GB in the end (delta: -220.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.09 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1057.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.9 MB in the end (delta: 131.7 MB). Peak memory consumption was 131.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 162552.41 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 993.9 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 152.37 ms. Allocated memory is still 5.0 GB. Free memory is still 2.2 GB. There was no memory consumed. 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 [2018-11-23 08:03:48,187 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,187 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,187 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,190 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,190 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-23 08:03:48,190 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((1 == a24 && a15 == a21 && 19 <= a12) && 9 == a15) || 0 < \old(a12) + 49) || ((((8 == a21 || 0 < a12 + 43) && \old(a12) <= a12) && 1 == a24) && 8 == a15 && a12 <= 11 && !(6 == a21))) || (((8 == a21 && 1 == a24) && a15 == 9) && 19 <= a12)) || ((((a12 <= 73282 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && ((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && a21 == 8) && \old(a15) == a15) && 19 <= a12)) || ((\old(a12) <= a12 && 10 == a21 && (((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a12 <= 11) && \old(a15) == a15)) || (((a12 <= 76 && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && ((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && \old(a15) == a15) && 19 <= a12)) || (((a21 == 6 && !(a15 == 7)) && a12 + 49 <= 0) && a15 <= 7)) || !(1 == \old(a24))) || (((8 == a21 && a24 == \old(a24)) && a15 == 9) && a12 <= 11)) || ((((((!(a15 == 9) && 7 == a21) && !(a15 == 7)) && 1 == a24) && a15 <= 7) && 18 < a12) && a12 <= 72)) || (((1 == a24 && 81 <= a12) && 10 == a21) && 9 == a15)) || (((1 == a24 && a12 <= 11) && a21 == 10) && 9 == a15)) || (((((!(a15 == 9) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a15 == \old(a15)) && a21 == 10) && 19 <= a12)) || !(8 == \old(a15))) || ((((1 == a24 && (!(a15 == 9) && 7 == a21) && !(a15 == 7)) && a12 <= 11) && \old(a12) <= a12) && \old(a15) == a15)) || ((((((a21 == 6 && !(a15 == 9)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && (\exists v_prenex_5 : int :: (0 <= v_prenex_5 && 95381 <= v_prenex_5) && v_prenex_5 % 299959 + 286349 <= a12)) && a15 == \old(a15))) || (((95381 <= a12 && a21 == 6 && 1 == a24) && a12 <= 95442) && 9 == a15)) || ((a15 <= 7 && ((!(a15 == 9) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a21 == 10) && 19 <= a12)) || (7 == a15 && 1 == a24 && a12 <= 11)) || (((((a21 == 6 && !(a15 == 9)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && (!(1 == \old(a24)) || !(\old(a15) == 9))) && a15 <= 7)) || ((1 == a24 && 7 == a21 && 9 == a15) && 19 <= a12)) || 7 < \old(a21)) || (a15 <= 7 && (((!(a15 == 9) && !(7 == a21)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && a12 <= 11)) || (((((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24))) && ((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && !(6 == a21)) && a15 <= 7)) || \old(a21) < 7) || (7 == a15 && !(7 == a21) && 1 == a24)) || (8 == a15 && (a21 == 6 && 1 == a24) && a12 + 49 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 162.4s OverallTime, 18 OverallIterations, 16 TraceHistogramMax, 93.2s AutomataDifference, 0.0s DeadEndRemovalTime, 28.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2162 SDtfs, 91743 SDslu, 7973 SDs, 0 SdLazy, 133792 SolverSat, 14049 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17982 GetRequests, 16987 SyntacticMatches, 28 SemanticMatches, 967 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34167 ImplicationChecksByTransitivity, 33.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22101occurred 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: 2.8s AutomataMinimizationTime, 18 MinimizatonAttempts, 16965 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 847 PreInvPairs, 1135 NumberOfFragments, 2076 HoareAnnotationTreeSize, 847 FomulaSimplifications, 6144029 FormulaSimplificationTreeSizeReduction, 7.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4517884 FormulaSimplificationTreeSizeReductionInter, 20.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 15.5s 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...