./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 0.1.23-5842f4b [2018-11-18 10:08:09,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:08:09,916 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:08:09,923 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:08:09,923 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:08:09,924 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:08:09,925 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:08:09,926 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:08:09,927 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:08:09,928 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:08:09,929 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:08:09,929 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:08:09,929 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:08:09,930 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:08:09,930 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:08:09,931 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:08:09,931 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:08:09,932 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:08:09,933 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:08:09,934 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:08:09,935 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:08:09,936 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:08:09,937 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:08:09,937 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:08:09,938 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:08:09,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:08:09,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:08:09,939 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:08:09,939 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:08:09,940 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:08:09,940 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:08:09,941 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:08:09,941 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:08:09,941 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:08:09,943 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:08:09,943 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:08:09,943 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 10:08:09,950 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:08:09,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:08:09,951 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:08:09,951 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:08:09,951 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:08:09,951 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:08:09,951 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:08:09,951 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:08:09,951 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:08:09,952 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:08:09,952 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:08:09,952 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:08:09,952 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:08:09,952 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:08:09,952 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:08:09,952 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:08:09,952 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:08:09,952 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:08:09,953 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:08:09,953 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:08:09,953 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:08:09,953 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:08:09,953 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:08:09,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:08:09,953 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:08:09,953 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:08:09,954 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:08:09,954 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:08:09,954 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:08:09,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:08:09,954 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_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:08:09,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:08:09,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:08:09,988 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:08:09,989 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:08:09,990 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:08:09,990 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-11-18 10:08:10,034 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/data/a7619dd56/9454afce1fb94f36a83a8e5775d6a628/FLAGa0537c5a7 [2018-11-18 10:08:10,374 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:08:10,374 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/sv-benchmarks/c/eca-rers2012/Problem14_label50_true-unreach-call_false-termination.c [2018-11-18 10:08:10,384 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/data/a7619dd56/9454afce1fb94f36a83a8e5775d6a628/FLAGa0537c5a7 [2018-11-18 10:08:10,395 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/data/a7619dd56/9454afce1fb94f36a83a8e5775d6a628 [2018-11-18 10:08:10,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:08:10,400 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 10:08:10,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:08:10,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:08:10,406 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:08:10,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:08:10" (1/1) ... [2018-11-18 10:08:10,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53518e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10, skipping insertion in model container [2018-11-18 10:08:10,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:08:10" (1/1) ... [2018-11-18 10:08:10,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:08:10,457 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:08:10,713 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:08:10,715 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:08:10,801 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:08:10,813 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:08:10,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10 WrapperNode [2018-11-18 10:08:10,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:08:10,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:08:10,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:08:10,814 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:08:10,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10" (1/1) ... [2018-11-18 10:08:10,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10" (1/1) ... [2018-11-18 10:08:10,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10" (1/1) ... [2018-11-18 10:08:10,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10" (1/1) ... [2018-11-18 10:08:10,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10" (1/1) ... [2018-11-18 10:08:10,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10" (1/1) ... [2018-11-18 10:08:10,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10" (1/1) ... [2018-11-18 10:08:10,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:08:10,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:08:10,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:08:10,959 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:08:10,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:08:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:08:11,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:08:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 10:08:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 10:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 10:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 10:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:08:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:08:11,832 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:08:11,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:08:11 BoogieIcfgContainer [2018-11-18 10:08:11,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:08:11,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:08:11,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:08:11,835 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:08:11,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:08:10" (1/3) ... [2018-11-18 10:08:11,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bed0305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:08:11, skipping insertion in model container [2018-11-18 10:08:11,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:08:10" (2/3) ... [2018-11-18 10:08:11,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bed0305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:08:11, skipping insertion in model container [2018-11-18 10:08:11,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:08:11" (3/3) ... [2018-11-18 10:08:11,838 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label50_true-unreach-call_false-termination.c [2018-11-18 10:08:11,844 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:08:11,849 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:08:11,858 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:08:11,879 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:08:11,880 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:08:11,880 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:08:11,880 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:08:11,880 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:08:11,880 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:08:11,880 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:08:11,880 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:08:11,880 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:08:11,897 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states. [2018-11-18 10:08:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:08:11,902 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:11,903 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:08:11,904 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:11,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:11,908 INFO L82 PathProgramCache]: Analyzing trace with hash -50157732, now seen corresponding path program 1 times [2018-11-18 10:08:11,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:11,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:11,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:11,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:11,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:08:12,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:08:12,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:08:12,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:08:12,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:08:12,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:08:12,119 INFO L87 Difference]: Start difference. First operand 255 states. Second operand 3 states. [2018-11-18 10:08:12,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:12,835 INFO L93 Difference]: Finished difference Result 691 states and 1226 transitions. [2018-11-18 10:08:12,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:08:12,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-18 10:08:12,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:12,845 INFO L225 Difference]: With dead ends: 691 [2018-11-18 10:08:12,845 INFO L226 Difference]: Without dead ends: 434 [2018-11-18 10:08:12,849 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:08:12,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-11-18 10:08:12,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-11-18 10:08:12,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-18 10:08:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 765 transitions. [2018-11-18 10:08:12,894 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 765 transitions. Word has length 44 [2018-11-18 10:08:12,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:12,894 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 765 transitions. [2018-11-18 10:08:12,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:08:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 765 transitions. [2018-11-18 10:08:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 10:08:12,898 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:12,898 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:08:12,901 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:12,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:12,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1724157031, now seen corresponding path program 1 times [2018-11-18 10:08:12,902 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:12,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:12,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:12,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:12,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:13,071 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:08:13,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:08:13,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:08:13,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:08:13,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:08:13,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:08:13,074 INFO L87 Difference]: Start difference. First operand 434 states and 765 transitions. Second operand 6 states. [2018-11-18 10:08:13,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:13,738 INFO L93 Difference]: Finished difference Result 1062 states and 1897 transitions. [2018-11-18 10:08:13,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:08:13,739 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-18 10:08:13,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:13,743 INFO L225 Difference]: With dead ends: 1062 [2018-11-18 10:08:13,743 INFO L226 Difference]: Without dead ends: 634 [2018-11-18 10:08:13,745 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:08:13,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-11-18 10:08:13,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2018-11-18 10:08:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-11-18 10:08:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1019 transitions. [2018-11-18 10:08:13,767 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1019 transitions. Word has length 131 [2018-11-18 10:08:13,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:13,768 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 1019 transitions. [2018-11-18 10:08:13,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:08:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1019 transitions. [2018-11-18 10:08:13,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 10:08:13,771 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:13,771 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:08:13,771 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:13,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:13,771 INFO L82 PathProgramCache]: Analyzing trace with hash 415093804, now seen corresponding path program 1 times [2018-11-18 10:08:13,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:13,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:13,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:13,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:13,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:08:13,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:08:13,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:08:13,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:08:13,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:08:13,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:08:13,846 INFO L87 Difference]: Start difference. First operand 625 states and 1019 transitions. Second operand 4 states. [2018-11-18 10:08:14,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:14,899 INFO L93 Difference]: Finished difference Result 2352 states and 4010 transitions. [2018-11-18 10:08:14,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:08:14,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2018-11-18 10:08:14,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:14,906 INFO L225 Difference]: With dead ends: 2352 [2018-11-18 10:08:14,906 INFO L226 Difference]: Without dead ends: 1733 [2018-11-18 10:08:14,908 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:08:14,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2018-11-18 10:08:14,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1733. [2018-11-18 10:08:14,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2018-11-18 10:08:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2668 transitions. [2018-11-18 10:08:14,944 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2668 transitions. Word has length 140 [2018-11-18 10:08:14,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:14,945 INFO L480 AbstractCegarLoop]: Abstraction has 1733 states and 2668 transitions. [2018-11-18 10:08:14,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:08:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2668 transitions. [2018-11-18 10:08:14,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-18 10:08:14,950 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:14,950 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 10:08:14,951 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:14,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:14,951 INFO L82 PathProgramCache]: Analyzing trace with hash -872463117, now seen corresponding path program 1 times [2018-11-18 10:08:14,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:14,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:14,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:14,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:14,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 147 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:08:15,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:08:15,474 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:08:15,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:15,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:08:15,811 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 10:08:15,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:08:15,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2018-11-18 10:08:15,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 10:08:15,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 10:08:15,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-18 10:08:15,838 INFO L87 Difference]: Start difference. First operand 1733 states and 2668 transitions. Second operand 15 states. [2018-11-18 10:08:22,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:22,469 INFO L93 Difference]: Finished difference Result 10010 states and 15901 transitions. [2018-11-18 10:08:22,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-18 10:08:22,469 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 277 [2018-11-18 10:08:22,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:22,507 INFO L225 Difference]: With dead ends: 10010 [2018-11-18 10:08:22,507 INFO L226 Difference]: Without dead ends: 8283 [2018-11-18 10:08:22,527 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 293 SyntacticMatches, 4 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=713, Invalid=2947, Unknown=0, NotChecked=0, Total=3660 [2018-11-18 10:08:22,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8283 states. [2018-11-18 10:08:22,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8283 to 7595. [2018-11-18 10:08:22,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7595 states. [2018-11-18 10:08:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7595 states to 7595 states and 10526 transitions. [2018-11-18 10:08:22,710 INFO L78 Accepts]: Start accepts. Automaton has 7595 states and 10526 transitions. Word has length 277 [2018-11-18 10:08:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:22,710 INFO L480 AbstractCegarLoop]: Abstraction has 7595 states and 10526 transitions. [2018-11-18 10:08:22,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 10:08:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 7595 states and 10526 transitions. [2018-11-18 10:08:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-11-18 10:08:22,728 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:22,728 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 10:08:22,728 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:22,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:22,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1746401696, now seen corresponding path program 1 times [2018-11-18 10:08:22,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:22,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:22,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:22,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:22,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 199 proven. 197 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:08:23,377 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:08:23,377 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:08:23,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:23,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:08:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 310 proven. 53 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 10:08:23,776 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:08:23,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 15 [2018-11-18 10:08:23,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 10:08:23,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 10:08:23,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2018-11-18 10:08:23,777 INFO L87 Difference]: Start difference. First operand 7595 states and 10526 transitions. Second operand 15 states. [2018-11-18 10:08:25,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:25,691 INFO L93 Difference]: Finished difference Result 16763 states and 23293 transitions. [2018-11-18 10:08:25,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 10:08:25,692 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 380 [2018-11-18 10:08:25,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:25,721 INFO L225 Difference]: With dead ends: 16763 [2018-11-18 10:08:25,721 INFO L226 Difference]: Without dead ends: 8980 [2018-11-18 10:08:25,744 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 393 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2018-11-18 10:08:25,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8980 states. [2018-11-18 10:08:25,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8980 to 8390. [2018-11-18 10:08:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8390 states. [2018-11-18 10:08:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8390 states to 8390 states and 10828 transitions. [2018-11-18 10:08:25,900 INFO L78 Accepts]: Start accepts. Automaton has 8390 states and 10828 transitions. Word has length 380 [2018-11-18 10:08:25,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:25,901 INFO L480 AbstractCegarLoop]: Abstraction has 8390 states and 10828 transitions. [2018-11-18 10:08:25,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 10:08:25,901 INFO L276 IsEmpty]: Start isEmpty. Operand 8390 states and 10828 transitions. [2018-11-18 10:08:25,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-11-18 10:08:25,920 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:25,920 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 10:08:25,920 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:25,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:25,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1141201435, now seen corresponding path program 1 times [2018-11-18 10:08:25,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:25,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:25,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:25,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:25,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 342 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 10:08:26,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:08:26,546 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:08:26,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:26,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:08:26,705 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-18 10:08:26,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:08:26,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2018-11-18 10:08:26,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 10:08:26,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 10:08:26,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-18 10:08:26,723 INFO L87 Difference]: Start difference. First operand 8390 states and 10828 transitions. Second operand 16 states. [2018-11-18 10:08:29,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:29,842 INFO L93 Difference]: Finished difference Result 17435 states and 22710 transitions. [2018-11-18 10:08:29,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 10:08:29,842 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 405 [2018-11-18 10:08:29,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:29,863 INFO L225 Difference]: With dead ends: 17435 [2018-11-18 10:08:29,863 INFO L226 Difference]: Without dead ends: 9421 [2018-11-18 10:08:29,876 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 427 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=626, Invalid=2236, Unknown=0, NotChecked=0, Total=2862 [2018-11-18 10:08:29,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9421 states. [2018-11-18 10:08:29,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9421 to 8163. [2018-11-18 10:08:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8163 states. [2018-11-18 10:08:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8163 states to 8163 states and 10091 transitions. [2018-11-18 10:08:29,999 INFO L78 Accepts]: Start accepts. Automaton has 8163 states and 10091 transitions. Word has length 405 [2018-11-18 10:08:29,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:29,999 INFO L480 AbstractCegarLoop]: Abstraction has 8163 states and 10091 transitions. [2018-11-18 10:08:29,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 10:08:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 8163 states and 10091 transitions. [2018-11-18 10:08:30,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2018-11-18 10:08:30,028 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:30,028 INFO L375 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, 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] [2018-11-18 10:08:30,028 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:30,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:30,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2044719248, now seen corresponding path program 1 times [2018-11-18 10:08:30,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:30,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:30,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:30,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:30,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 427 proven. 222 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2018-11-18 10:08:30,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:08:30,504 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:08:30,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:30,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:08:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 640 proven. 2 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2018-11-18 10:08:30,872 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:08:30,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-11-18 10:08:30,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 10:08:30,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 10:08:30,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:08:30,873 INFO L87 Difference]: Start difference. First operand 8163 states and 10091 transitions. Second operand 11 states. [2018-11-18 10:08:33,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:33,750 INFO L93 Difference]: Finished difference Result 21592 states and 27518 transitions. [2018-11-18 10:08:33,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-18 10:08:33,751 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 612 [2018-11-18 10:08:33,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:33,782 INFO L225 Difference]: With dead ends: 21592 [2018-11-18 10:08:33,782 INFO L226 Difference]: Without dead ends: 13622 [2018-11-18 10:08:33,801 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 661 GetRequests, 627 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=240, Invalid=816, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 10:08:33,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13622 states. [2018-11-18 10:08:33,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13622 to 12257. [2018-11-18 10:08:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12257 states. [2018-11-18 10:08:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12257 states to 12257 states and 14626 transitions. [2018-11-18 10:08:33,966 INFO L78 Accepts]: Start accepts. Automaton has 12257 states and 14626 transitions. Word has length 612 [2018-11-18 10:08:33,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:33,966 INFO L480 AbstractCegarLoop]: Abstraction has 12257 states and 14626 transitions. [2018-11-18 10:08:33,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 10:08:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 12257 states and 14626 transitions. [2018-11-18 10:08:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2018-11-18 10:08:34,011 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:34,011 INFO L375 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, 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] [2018-11-18 10:08:34,011 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:34,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:34,012 INFO L82 PathProgramCache]: Analyzing trace with hash 726525659, now seen corresponding path program 1 times [2018-11-18 10:08:34,012 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:34,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:34,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:34,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1766 backedges. 568 proven. 777 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-11-18 10:08:34,886 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:08:34,886 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:08:34,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:34,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:08:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1766 backedges. 1294 proven. 2 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2018-11-18 10:08:35,386 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:08:35,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 13 [2018-11-18 10:08:35,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 10:08:35,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 10:08:35,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-11-18 10:08:35,388 INFO L87 Difference]: Start difference. First operand 12257 states and 14626 transitions. Second operand 13 states. [2018-11-18 10:08:36,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:36,821 INFO L93 Difference]: Finished difference Result 24352 states and 30060 transitions. [2018-11-18 10:08:36,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 10:08:36,821 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 715 [2018-11-18 10:08:36,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:36,849 INFO L225 Difference]: With dead ends: 24352 [2018-11-18 10:08:36,849 INFO L226 Difference]: Without dead ends: 12504 [2018-11-18 10:08:36,866 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 724 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2018-11-18 10:08:36,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12504 states. [2018-11-18 10:08:36,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12504 to 11591. [2018-11-18 10:08:36,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11591 states. [2018-11-18 10:08:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11591 states to 11591 states and 13573 transitions. [2018-11-18 10:08:36,977 INFO L78 Accepts]: Start accepts. Automaton has 11591 states and 13573 transitions. Word has length 715 [2018-11-18 10:08:36,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:36,978 INFO L480 AbstractCegarLoop]: Abstraction has 11591 states and 13573 transitions. [2018-11-18 10:08:36,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 10:08:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 11591 states and 13573 transitions. [2018-11-18 10:08:36,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2018-11-18 10:08:36,992 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:36,992 INFO L375 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, 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] [2018-11-18 10:08:36,993 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:36,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:36,993 INFO L82 PathProgramCache]: Analyzing trace with hash -641737425, now seen corresponding path program 1 times [2018-11-18 10:08:36,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:36,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:36,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:36,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:36,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 594 proven. 855 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2018-11-18 10:08:37,895 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:08:37,895 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:08:37,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:37,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:08:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 1372 proven. 2 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2018-11-18 10:08:38,314 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:08:38,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-18 10:08:38,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 10:08:38,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 10:08:38,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-11-18 10:08:38,316 INFO L87 Difference]: Start difference. First operand 11591 states and 13573 transitions. Second operand 18 states. [2018-11-18 10:08:42,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:42,076 INFO L93 Difference]: Finished difference Result 25850 states and 31313 transitions. [2018-11-18 10:08:42,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-18 10:08:42,077 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 741 [2018-11-18 10:08:42,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:42,098 INFO L225 Difference]: With dead ends: 25850 [2018-11-18 10:08:42,098 INFO L226 Difference]: Without dead ends: 14265 [2018-11-18 10:08:42,112 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 818 GetRequests, 766 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=596, Invalid=2266, Unknown=0, NotChecked=0, Total=2862 [2018-11-18 10:08:42,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14265 states. [2018-11-18 10:08:42,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14265 to 13592. [2018-11-18 10:08:42,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13592 states. [2018-11-18 10:08:42,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13592 states to 13592 states and 15746 transitions. [2018-11-18 10:08:42,250 INFO L78 Accepts]: Start accepts. Automaton has 13592 states and 15746 transitions. Word has length 741 [2018-11-18 10:08:42,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:42,250 INFO L480 AbstractCegarLoop]: Abstraction has 13592 states and 15746 transitions. [2018-11-18 10:08:42,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 10:08:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 13592 states and 15746 transitions. [2018-11-18 10:08:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2018-11-18 10:08:42,266 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:42,266 INFO L375 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, 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, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 10:08:42,266 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:42,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:42,267 INFO L82 PathProgramCache]: Analyzing trace with hash 2022938768, now seen corresponding path program 1 times [2018-11-18 10:08:42,267 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:42,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:42,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:42,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:42,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1927 backedges. 594 proven. 887 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2018-11-18 10:08:43,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:08:43,159 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:08:43,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:43,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:08:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1927 backedges. 806 proven. 2 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2018-11-18 10:08:43,592 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:08:43,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-11-18 10:08:43,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 10:08:43,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 10:08:43,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2018-11-18 10:08:43,593 INFO L87 Difference]: Start difference. First operand 13592 states and 15746 transitions. Second operand 18 states. [2018-11-18 10:08:47,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:47,433 INFO L93 Difference]: Finished difference Result 28762 states and 34950 transitions. [2018-11-18 10:08:47,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-18 10:08:47,433 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 768 [2018-11-18 10:08:47,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:47,470 INFO L225 Difference]: With dead ends: 28762 [2018-11-18 10:08:47,471 INFO L226 Difference]: Without dead ends: 14591 [2018-11-18 10:08:47,491 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 841 GetRequests, 786 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 850 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=709, Invalid=2483, Unknown=0, NotChecked=0, Total=3192 [2018-11-18 10:08:47,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14591 states. [2018-11-18 10:08:47,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14591 to 13899. [2018-11-18 10:08:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13899 states. [2018-11-18 10:08:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13899 states to 13899 states and 15485 transitions. [2018-11-18 10:08:47,629 INFO L78 Accepts]: Start accepts. Automaton has 13899 states and 15485 transitions. Word has length 768 [2018-11-18 10:08:47,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:47,630 INFO L480 AbstractCegarLoop]: Abstraction has 13899 states and 15485 transitions. [2018-11-18 10:08:47,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 10:08:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 13899 states and 15485 transitions. [2018-11-18 10:08:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2018-11-18 10:08:47,636 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:47,637 INFO L375 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, 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] [2018-11-18 10:08:47,637 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:47,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:47,638 INFO L82 PathProgramCache]: Analyzing trace with hash -664045017, now seen corresponding path program 1 times [2018-11-18 10:08:47,638 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:47,638 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:47,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:47,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:47,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 791 proven. 845 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2018-11-18 10:08:49,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:08:49,109 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:08:49,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:49,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:08:49,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 1269 proven. 2 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2018-11-18 10:08:49,501 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:08:49,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5] total 20 [2018-11-18 10:08:49,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 10:08:49,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 10:08:49,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2018-11-18 10:08:49,502 INFO L87 Difference]: Start difference. First operand 13899 states and 15485 transitions. Second operand 20 states. [2018-11-18 10:08:55,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:55,669 INFO L93 Difference]: Finished difference Result 32811 states and 37129 transitions. [2018-11-18 10:08:55,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-11-18 10:08:55,670 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 843 [2018-11-18 10:08:55,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:55,702 INFO L225 Difference]: With dead ends: 32811 [2018-11-18 10:08:55,702 INFO L226 Difference]: Without dead ends: 18777 [2018-11-18 10:08:55,726 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1019 GetRequests, 913 SyntacticMatches, 4 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3740 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1468, Invalid=9244, Unknown=0, NotChecked=0, Total=10712 [2018-11-18 10:08:55,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18777 states. [2018-11-18 10:08:55,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18777 to 18149. [2018-11-18 10:08:55,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18149 states. [2018-11-18 10:08:55,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18149 states to 18149 states and 20134 transitions. [2018-11-18 10:08:55,932 INFO L78 Accepts]: Start accepts. Automaton has 18149 states and 20134 transitions. Word has length 843 [2018-11-18 10:08:55,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:55,933 INFO L480 AbstractCegarLoop]: Abstraction has 18149 states and 20134 transitions. [2018-11-18 10:08:55,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 10:08:55,933 INFO L276 IsEmpty]: Start isEmpty. Operand 18149 states and 20134 transitions. [2018-11-18 10:08:55,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1149 [2018-11-18 10:08:55,950 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:55,950 INFO L375 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, 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] [2018-11-18 10:08:55,950 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:55,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:55,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1961239800, now seen corresponding path program 1 times [2018-11-18 10:08:55,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:55,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:55,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:55,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:55,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4004 backedges. 1686 proven. 355 refuted. 0 times theorem prover too weak. 1963 trivial. 0 not checked. [2018-11-18 10:08:56,579 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:08:56,579 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:08:56,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:08:56,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:08:57,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4004 backedges. 2471 proven. 6 refuted. 0 times theorem prover too weak. 1527 trivial. 0 not checked. [2018-11-18 10:08:57,358 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:08:57,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2018-11-18 10:08:57,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:08:57,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:08:57,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:08:57,359 INFO L87 Difference]: Start difference. First operand 18149 states and 20134 transitions. Second operand 9 states. [2018-11-18 10:08:59,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:08:59,216 INFO L93 Difference]: Finished difference Result 41543 states and 47019 transitions. [2018-11-18 10:08:59,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 10:08:59,217 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1148 [2018-11-18 10:08:59,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:08:59,256 INFO L225 Difference]: With dead ends: 41543 [2018-11-18 10:08:59,257 INFO L226 Difference]: Without dead ends: 23585 [2018-11-18 10:08:59,287 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1178 GetRequests, 1158 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2018-11-18 10:08:59,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23585 states. [2018-11-18 10:08:59,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23585 to 22170. [2018-11-18 10:08:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22170 states. [2018-11-18 10:08:59,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22170 states to 22170 states and 24759 transitions. [2018-11-18 10:08:59,565 INFO L78 Accepts]: Start accepts. Automaton has 22170 states and 24759 transitions. Word has length 1148 [2018-11-18 10:08:59,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:08:59,566 INFO L480 AbstractCegarLoop]: Abstraction has 22170 states and 24759 transitions. [2018-11-18 10:08:59,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:08:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 22170 states and 24759 transitions. [2018-11-18 10:08:59,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1235 [2018-11-18 10:08:59,591 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:08:59,591 INFO L375 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, 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] [2018-11-18 10:08:59,591 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:08:59,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:08:59,592 INFO L82 PathProgramCache]: Analyzing trace with hash 82067708, now seen corresponding path program 1 times [2018-11-18 10:08:59,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:08:59,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:08:59,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:59,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:08:59,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:08:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4383 backedges. 1060 proven. 1936 refuted. 0 times theorem prover too weak. 1387 trivial. 0 not checked. [2018-11-18 10:09:02,023 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:09:02,023 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:09:02,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:02,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:09:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4383 backedges. 2618 proven. 2 refuted. 0 times theorem prover too weak. 1763 trivial. 0 not checked. [2018-11-18 10:09:02,991 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:09:02,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6] total 18 [2018-11-18 10:09:02,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 10:09:02,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 10:09:02,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2018-11-18 10:09:02,993 INFO L87 Difference]: Start difference. First operand 22170 states and 24759 transitions. Second operand 18 states. [2018-11-18 10:09:07,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:09:07,024 INFO L93 Difference]: Finished difference Result 44564 states and 49945 transitions. [2018-11-18 10:09:07,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-11-18 10:09:07,025 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1234 [2018-11-18 10:09:07,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:09:07,053 INFO L225 Difference]: With dead ends: 44564 [2018-11-18 10:09:07,053 INFO L226 Difference]: Without dead ends: 22585 [2018-11-18 10:09:07,080 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1312 GetRequests, 1263 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=544, Invalid=2006, Unknown=0, NotChecked=0, Total=2550 [2018-11-18 10:09:07,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22585 states. [2018-11-18 10:09:07,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22585 to 22049. [2018-11-18 10:09:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22049 states. [2018-11-18 10:09:07,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22049 states to 22049 states and 23923 transitions. [2018-11-18 10:09:07,278 INFO L78 Accepts]: Start accepts. Automaton has 22049 states and 23923 transitions. Word has length 1234 [2018-11-18 10:09:07,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:09:07,279 INFO L480 AbstractCegarLoop]: Abstraction has 22049 states and 23923 transitions. [2018-11-18 10:09:07,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 10:09:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 22049 states and 23923 transitions. [2018-11-18 10:09:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1587 [2018-11-18 10:09:07,306 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:09:07,306 INFO L375 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, 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] [2018-11-18 10:09:07,306 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:09:07,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:07,307 INFO L82 PathProgramCache]: Analyzing trace with hash 417546880, now seen corresponding path program 1 times [2018-11-18 10:09:07,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:07,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:07,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:07,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:07,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7566 backedges. 1188 proven. 3869 refuted. 0 times theorem prover too weak. 2509 trivial. 0 not checked. [2018-11-18 10:09:10,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:09:10,232 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:09:10,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:10,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:09:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7566 backedges. 4661 proven. 2 refuted. 0 times theorem prover too weak. 2903 trivial. 0 not checked. [2018-11-18 10:09:11,389 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:09:11,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 19 [2018-11-18 10:09:11,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 10:09:11,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 10:09:11,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-11-18 10:09:11,391 INFO L87 Difference]: Start difference. First operand 22049 states and 23923 transitions. Second operand 19 states. [2018-11-18 10:09:16,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:09:16,781 INFO L93 Difference]: Finished difference Result 44868 states and 50932 transitions. [2018-11-18 10:09:16,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-11-18 10:09:16,782 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1586 [2018-11-18 10:09:16,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:09:16,856 INFO L225 Difference]: With dead ends: 44868 [2018-11-18 10:09:16,856 INFO L226 Difference]: Without dead ends: 23010 [2018-11-18 10:09:16,893 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1692 GetRequests, 1624 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1317 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=984, Invalid=3572, Unknown=0, NotChecked=0, Total=4556 [2018-11-18 10:09:16,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23010 states. [2018-11-18 10:09:17,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23010 to 22134. [2018-11-18 10:09:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22134 states. [2018-11-18 10:09:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22134 states to 22134 states and 23968 transitions. [2018-11-18 10:09:17,210 INFO L78 Accepts]: Start accepts. Automaton has 22134 states and 23968 transitions. Word has length 1586 [2018-11-18 10:09:17,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:09:17,211 INFO L480 AbstractCegarLoop]: Abstraction has 22134 states and 23968 transitions. [2018-11-18 10:09:17,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 10:09:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 22134 states and 23968 transitions. [2018-11-18 10:09:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1706 [2018-11-18 10:09:17,242 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:09:17,243 INFO L375 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, 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] [2018-11-18 10:09:17,243 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:09:17,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:17,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1662833811, now seen corresponding path program 1 times [2018-11-18 10:09:17,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:17,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:17,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:17,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:17,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8929 backedges. 1944 proven. 5334 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 10:09:21,198 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:09:21,198 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:09:21,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:21,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:09:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 8929 backedges. 2885 proven. 87 refuted. 0 times theorem prover too weak. 5957 trivial. 0 not checked. [2018-11-18 10:09:22,636 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:09:22,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 8] total 33 [2018-11-18 10:09:22,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-18 10:09:22,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-18 10:09:22,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=959, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 10:09:22,638 INFO L87 Difference]: Start difference. First operand 22134 states and 23968 transitions. Second operand 33 states. [2018-11-18 10:09:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:09:45,567 INFO L93 Difference]: Finished difference Result 51194 states and 57465 transitions. [2018-11-18 10:09:45,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-11-18 10:09:45,568 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1705 [2018-11-18 10:09:45,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:09:45,622 INFO L225 Difference]: With dead ends: 51194 [2018-11-18 10:09:45,622 INFO L226 Difference]: Without dead ends: 29251 [2018-11-18 10:09:45,661 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2007 GetRequests, 1797 SyntacticMatches, 2 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17263 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=5846, Invalid=38044, Unknown=0, NotChecked=0, Total=43890 [2018-11-18 10:09:45,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29251 states. [2018-11-18 10:09:45,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29251 to 24311. [2018-11-18 10:09:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24311 states. [2018-11-18 10:09:45,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24311 states to 24311 states and 26460 transitions. [2018-11-18 10:09:45,978 INFO L78 Accepts]: Start accepts. Automaton has 24311 states and 26460 transitions. Word has length 1705 [2018-11-18 10:09:45,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:09:45,978 INFO L480 AbstractCegarLoop]: Abstraction has 24311 states and 26460 transitions. [2018-11-18 10:09:45,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-18 10:09:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 24311 states and 26460 transitions. [2018-11-18 10:09:46,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1884 [2018-11-18 10:09:46,007 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:09:46,007 INFO L375 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, 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] [2018-11-18 10:09:46,007 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:09:46,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:46,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1014492255, now seen corresponding path program 1 times [2018-11-18 10:09:46,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:46,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:46,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:46,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:46,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 10606 backedges. 2043 proven. 517 refuted. 0 times theorem prover too weak. 8046 trivial. 0 not checked. [2018-11-18 10:09:47,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:09:47,458 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:09:47,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:47,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:09:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10606 backedges. 4576 proven. 2 refuted. 0 times theorem prover too weak. 6028 trivial. 0 not checked. [2018-11-18 10:09:48,569 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:09:48,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-18 10:09:48,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 10:09:48,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 10:09:48,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:09:48,572 INFO L87 Difference]: Start difference. First operand 24311 states and 26460 transitions. Second operand 11 states. [2018-11-18 10:09:50,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:09:50,239 INFO L93 Difference]: Finished difference Result 45670 states and 49778 transitions. [2018-11-18 10:09:50,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-18 10:09:50,239 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1883 [2018-11-18 10:09:50,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:09:50,249 INFO L225 Difference]: With dead ends: 45670 [2018-11-18 10:09:50,249 INFO L226 Difference]: Without dead ends: 6353 [2018-11-18 10:09:50,297 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1926 GetRequests, 1896 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2018-11-18 10:09:50,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6353 states. [2018-11-18 10:09:50,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6353 to 5541. [2018-11-18 10:09:50,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5541 states. [2018-11-18 10:09:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5541 states to 5541 states and 5691 transitions. [2018-11-18 10:09:50,364 INFO L78 Accepts]: Start accepts. Automaton has 5541 states and 5691 transitions. Word has length 1883 [2018-11-18 10:09:50,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:09:50,365 INFO L480 AbstractCegarLoop]: Abstraction has 5541 states and 5691 transitions. [2018-11-18 10:09:50,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 10:09:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 5541 states and 5691 transitions. [2018-11-18 10:09:50,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1902 [2018-11-18 10:09:50,390 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:09:50,390 INFO L375 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, 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, 10, 10, 10, 10, 10, 10, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 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, 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] [2018-11-18 10:09:50,391 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:09:50,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:50,391 INFO L82 PathProgramCache]: Analyzing trace with hash -193016185, now seen corresponding path program 1 times [2018-11-18 10:09:50,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:50,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:50,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:50,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:50,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:52,937 INFO L134 CoverageAnalysis]: Checked inductivity of 10736 backedges. 1851 proven. 3507 refuted. 0 times theorem prover too weak. 5378 trivial. 0 not checked. [2018-11-18 10:09:52,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:09:52,938 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:09:52,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:53,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:09:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 10736 backedges. 4464 proven. 2 refuted. 0 times theorem prover too weak. 6270 trivial. 0 not checked. [2018-11-18 10:09:54,154 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:09:54,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5] total 18 [2018-11-18 10:09:54,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 10:09:54,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 10:09:54,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-11-18 10:09:54,156 INFO L87 Difference]: Start difference. First operand 5541 states and 5691 transitions. Second operand 18 states. [2018-11-18 10:09:56,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:09:56,166 INFO L93 Difference]: Finished difference Result 10961 states and 11377 transitions. [2018-11-18 10:09:56,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-18 10:09:56,166 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1901 [2018-11-18 10:09:56,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:09:56,174 INFO L225 Difference]: With dead ends: 10961 [2018-11-18 10:09:56,174 INFO L226 Difference]: Without dead ends: 5385 [2018-11-18 10:09:56,178 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1973 GetRequests, 1928 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=484, Invalid=1678, Unknown=0, NotChecked=0, Total=2162 [2018-11-18 10:09:56,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5385 states. [2018-11-18 10:09:56,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5385 to 5192. [2018-11-18 10:09:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5192 states. [2018-11-18 10:09:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5192 states to 5192 states and 5325 transitions. [2018-11-18 10:09:56,232 INFO L78 Accepts]: Start accepts. Automaton has 5192 states and 5325 transitions. Word has length 1901 [2018-11-18 10:09:56,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:09:56,233 INFO L480 AbstractCegarLoop]: Abstraction has 5192 states and 5325 transitions. [2018-11-18 10:09:56,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 10:09:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 5192 states and 5325 transitions. [2018-11-18 10:09:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1960 [2018-11-18 10:09:56,248 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:09:56,249 INFO L375 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, 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] [2018-11-18 10:09:56,249 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:09:56,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:56,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1603437079, now seen corresponding path program 1 times [2018-11-18 10:09:56,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:56,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:56,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:56,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:56,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12101 backedges. 1830 proven. 6816 refuted. 0 times theorem prover too weak. 3455 trivial. 0 not checked. [2018-11-18 10:09:59,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:09:59,936 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/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 [2018-11-18 10:09:59,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:00,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12101 backedges. 5848 proven. 12 refuted. 0 times theorem prover too weak. 6241 trivial. 0 not checked. [2018-11-18 10:10:02,700 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:10:02,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 9] total 34 [2018-11-18 10:10:02,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-18 10:10:02,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-18 10:10:02,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1019, Unknown=1, NotChecked=0, Total=1122 [2018-11-18 10:10:02,702 INFO L87 Difference]: Start difference. First operand 5192 states and 5325 transitions. Second operand 34 states. [2018-11-18 10:10:12,756 WARN L180 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2018-11-18 10:10:21,493 WARN L180 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2018-11-18 10:10:24,328 WARN L180 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2018-11-18 10:10:29,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:29,084 INFO L93 Difference]: Finished difference Result 13559 states and 14186 transitions. [2018-11-18 10:10:29,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-11-18 10:10:29,085 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 1959 [2018-11-18 10:10:29,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:29,094 INFO L225 Difference]: With dead ends: 13559 [2018-11-18 10:10:29,094 INFO L226 Difference]: Without dead ends: 7437 [2018-11-18 10:10:29,100 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2173 GetRequests, 2018 SyntacticMatches, 1 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8030 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=3235, Invalid=20944, Unknown=1, NotChecked=0, Total=24180 [2018-11-18 10:10:29,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7437 states. [2018-11-18 10:10:29,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7437 to 5477. [2018-11-18 10:10:29,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5477 states. [2018-11-18 10:10:29,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 5477 states and 5598 transitions. [2018-11-18 10:10:29,163 INFO L78 Accepts]: Start accepts. Automaton has 5477 states and 5598 transitions. Word has length 1959 [2018-11-18 10:10:29,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:29,164 INFO L480 AbstractCegarLoop]: Abstraction has 5477 states and 5598 transitions. [2018-11-18 10:10:29,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-18 10:10:29,164 INFO L276 IsEmpty]: Start isEmpty. Operand 5477 states and 5598 transitions. [2018-11-18 10:10:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2013 [2018-11-18 10:10:29,180 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:10:29,180 INFO L375 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, 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] [2018-11-18 10:10:29,180 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:10:29,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:10:29,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1684063104, now seen corresponding path program 1 times [2018-11-18 10:10:29,181 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:10:29,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:10:29,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:29,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:29,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:10:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12269 backedges. 6793 proven. 1411 refuted. 0 times theorem prover too weak. 4065 trivial. 0 not checked. [2018-11-18 10:10:32,909 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:10:32,909 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:10:32,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:10:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:10:33,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:10:34,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12269 backedges. 2163 proven. 2 refuted. 0 times theorem prover too weak. 10104 trivial. 0 not checked. [2018-11-18 10:10:34,309 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:10:34,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 19 [2018-11-18 10:10:34,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 10:10:34,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 10:10:34,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-18 10:10:34,310 INFO L87 Difference]: Start difference. First operand 5477 states and 5598 transitions. Second operand 19 states. [2018-11-18 10:10:36,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:10:36,611 INFO L93 Difference]: Finished difference Result 8234 states and 8508 transitions. [2018-11-18 10:10:36,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-18 10:10:36,611 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 2012 [2018-11-18 10:10:36,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:10:36,612 INFO L225 Difference]: With dead ends: 8234 [2018-11-18 10:10:36,612 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:10:36,619 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2093 GetRequests, 2045 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=555, Invalid=1895, Unknown=0, NotChecked=0, Total=2450 [2018-11-18 10:10:36,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:10:36,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:10:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:10:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:10:36,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2012 [2018-11-18 10:10:36,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:10:36,620 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:10:36,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 10:10:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:10:36,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:10:36,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:10:36,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:36,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:37,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:37,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:37,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:38,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:38,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:38,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:39,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:40,038 WARN L180 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 1328 DAG size of output: 1149 [2018-11-18 10:10:40,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:40,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:40,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:40,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:41,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:41,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:41,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:42,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:10:42,965 WARN L180 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 1328 DAG size of output: 1149 [2018-11-18 10:10:45,039 WARN L180 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 526 DAG size of output: 141 [2018-11-18 10:10:52,664 WARN L180 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 1008 DAG size of output: 164 [2018-11-18 10:11:00,279 WARN L180 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 1008 DAG size of output: 164 [2018-11-18 10:11:00,281 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:11:00,281 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a12~0 |old(~a12~0)|) (<= |old(~a12~0)| ~a12~0) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= |old(~a15~0)| ~a15~0)) [2018-11-18 10:11:00,281 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:11:00,281 INFO L425 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-11-18 10:11:00,281 INFO L425 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-11-18 10:11:00,281 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,281 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,281 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,281 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 10:11:00,282 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-11-18 10:11:00,283 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-11-18 10:11:00,284 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse26 (= 10 ~a21~0)) (.cse28 (= 9 ~a15~0)) (.cse21 (= 6 |old(~a21~0)|)) (.cse18 (= 7 |old(~a15~0)|)) (.cse22 (<= ~a12~0 |old(~a12~0)|)) (.cse23 (<= |old(~a12~0)| ~a12~0)) (.cse27 (= ~a21~0 |old(~a21~0)|)) (.cse24 (= 1 ~a24~0)) (.cse25 (= 8 ~a15~0))) (let ((.cse3 (< 73282 |old(~a12~0)|)) (.cse15 (< 0 (+ |old(~a12~0)| 49))) (.cse11 (and .cse22 .cse23 .cse27 .cse24 .cse25)) (.cse17 (< 76 |old(~a12~0)|)) (.cse12 (not (= 8 |old(~a15~0)|))) (.cse19 (= 7 |old(~a21~0)|)) (.cse20 (< |old(~a12~0)| 19)) (.cse5 (and .cse22 .cse23 .cse27 (= 7 ~a15~0) .cse24)) (.cse10 (< 11 |old(~a12~0)|)) (.cse6 (not .cse18)) (.cse2 (and .cse22 .cse23 .cse27 (= |old(~a15~0)| ~a15~0) .cse24)) (.cse0 (not .cse21)) (.cse4 (< 7 |old(~a15~0)|)) (.cse9 (and .cse22 .cse23 .cse24 .cse26 .cse28)) (.cse8 (not (= 10 |old(~a21~0)|))) (.cse13 (<= |old(~a12~0)| 80)) (.cse14 (not (= 8 |old(~a21~0)|))) (.cse16 (and .cse22 .cse23 .cse27 .cse24 .cse28)) (.cse7 (not (= 9 |old(~a15~0)|))) (.cse1 (not (= 1 |old(~a24~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6) (or .cse7 .cse8 .cse9 .cse1 .cse10) (or .cse11 .cse12 .cse13 .cse14 .cse1 .cse3) (or (not (= 6 |old(~a15~0)|)) .cse0 .cse1 .cse2) (or .cse11 .cse15 .cse1 .cse12) (or .cse16 .cse14 .cse7 .cse1 .cse10) (or .cse2 .cse4 (or (or .cse17 .cse18) .cse1)) (or .cse2 .cse0 .cse1 (not (= 5 |old(~a15~0)|))) (or .cse0 (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))) .cse1 .cse12 .cse11) (or .cse7 (not .cse19) .cse20 .cse1 .cse16) (or .cse21 .cse1 .cse10 .cse12 .cse11) (or .cse7 .cse16 (or .cse0 (< 95442 |old(~a12~0)|) .cse1 (< |old(~a12~0)| 95381))) (or .cse20 .cse8 (and .cse22 .cse23 .cse24 .cse25 .cse26) .cse1 .cse12) (or (or (or .cse0 .cse15 .cse18) .cse4) (and (and .cse22 .cse23) (= ~a24~0 |old(~a24~0)|) .cse27 (= ~a15~0 |old(~a15~0)|))) (or .cse21 .cse20 .cse11 .cse17 .cse19 .cse1 .cse12) (or .cse21 .cse19 .cse1 .cse4 .cse2) (or .cse7 .cse16 .cse20 .cse1 (not (= |old(~a15~0)| |old(~a21~0)|))) (or .cse5 .cse1 .cse10 .cse6) (or .cse16 (< 72 |old(~a12~0)|) .cse14 .cse7 .cse1 (<= |old(~a12~0)| 18)) (or .cse2 (< 95434 |old(~a12~0)|) .cse0 .cse1 .cse4 (<= |old(~a12~0)| 95380)) (or .cse9 .cse7 .cse8 (< |old(~a12~0)| 81) .cse1) (or .cse13 .cse14 .cse16 .cse7 .cse1)))) [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,285 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-11-18 10:11:00,286 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-11-18 10:11:00,287 INFO L425 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,288 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 10:11:00,289 INFO L425 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,290 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-11-18 10:11:00,291 INFO L425 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,292 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-11-18 10:11:00,293 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,294 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L421 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)) [2018-11-18 10:11:00,295 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (< 0 (+ |old(~a12~0)| 49)) (not (= 8 |old(~a15~0)|)) (not (= 7 |old(~a21~0)|)) (not (= 1 |old(~a24~0)|)) (and (<= ~a12~0 |old(~a12~0)|) (<= |old(~a12~0)| ~a12~0) (= ~a21~0 |old(~a21~0)|) (= 1 ~a24~0) (= 8 ~a15~0))) [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse27 (= 7 |old(~a21~0)|)) (.cse26 (= 6 |old(~a21~0)|))) (let ((.cse17 (not (= 1 |old(~a24~0)|))) (.cse34 (not .cse26)) (.cse31 (not .cse27)) (.cse32 (not (= 8 |old(~a21~0)|)))) (let ((.cse11 (= ~a21~0 6)) (.cse28 (not (= ~a15~0 9))) (.cse0 (= 1 ~a24~0)) (.cse20 (not (= ~a15~0 7))) (.cse29 (or (and .cse34 .cse31 .cse32) (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|))) (.cse30 (or .cse31 .cse17 (not (= |old(~a15~0)| 9)))) (.cse33 (<= 0 (+ |old(~a12~0)| 42)))) (let ((.cse7 (= 7 ~a21~0)) (.cse18 (not (= 8 |old(~a15~0)|))) (.cse6 (and .cse11 .cse28 .cse0 .cse20 .cse29 .cse30 (or .cse34 .cse33 (not (= 5 |old(~a15~0)|)) .cse17)))) (let ((.cse5 (and (or (and .cse31 .cse32) (<= |old(~a12~0)| 80)) (or (not (= 10 |old(~a21~0)|)) .cse33 .cse18 .cse17) .cse6)) (.cse23 (not .cse7)) (.cse22 (not (= 6 ~a21~0)))) (let ((.cse4 (<= ~a12~0 73282)) (.cse14 (< 80 ~a12~0)) (.cse13 (and .cse28 (not (= 10 ~a21~0)) .cse23 .cse0 .cse29 .cse30 .cse22)) (.cse16 (= |old(~a15~0)| ~a15~0)) (.cse19 (<= ~a12~0 76)) (.cse9 (<= ~a12~0 11)) (.cse15 (= ~a21~0 8)) (.cse2 (= 9 ~a15~0)) (.cse8 (<= 19 ~a12~0)) (.cse21 (= 7 ~a15~0)) (.cse1 (= ~a21~0 10)) (.cse10 (= ~a24~0 |old(~a24~0)|)) (.cse25 (and .cse5 (or .cse26 .cse27))) (.cse3 (<= ~a15~0 7)) (.cse24 (<= (+ ~a12~0 49) 0)) (.cse12 (= 8 ~a15~0))) (or (and (<= 81 ~a12~0) .cse0 .cse1 .cse2) (and .cse3 (and .cse4 .cse5)) (and (= 5 ~a15~0) .cse6) (and (and .cse7 .cse0) .cse2 .cse8) (and (and .cse1 .cse9) .cse10 .cse2) (and (exists ((v_prenex_5 Int)) (and (<= 0 v_prenex_5) (<= 95381 v_prenex_5) (<= (+ (mod v_prenex_5 299959) 286349) ~a12~0))) (and (and .cse11 .cse10) .cse12)) (and .cse3 .cse13) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse4 (and (and .cse14 .cse13) .cse15)) .cse16) (and .cse0 .cse2 (and (= ~a15~0 ~a21~0) .cse8)) (and (= 8 ~a21~0) .cse0 .cse9 .cse2) (and (and .cse0 (= ~a15~0 |old(~a15~0)|)) .cse1 .cse8) (and (and .cse0 .cse15 .cse14) .cse2) .cse17 (and (and (<= 95381 ~a12~0) (and .cse11 .cse0) (<= ~a12~0 95442)) .cse2) .cse18 (and (and .cse19 .cse13) .cse16 .cse8) (and (and .cse0 (and .cse19 .cse20)) .cse3) (and (and .cse0 .cse9) .cse21) (and .cse12 (and .cse0 .cse9 .cse22)) (and (and .cse15 (<= ~a12~0 72)) .cse0 .cse2 .cse8) (and (and .cse23 .cse0) .cse21) (and (and .cse3 .cse1) .cse10) (< 7 |old(~a21~0)|) (and (and .cse11 .cse24 .cse20) .cse3) (and (= 6 ~a15~0) .cse25) (< |old(~a21~0)| 7) (and (<= ~a12~0 95434) .cse25 .cse3 (< 95380 ~a12~0)) (and .cse24 .cse0 .cse12)))))))) [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-11-18 10:11:00,295 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 880 889) no Hoare annotation was computed. [2018-11-18 10:11:00,296 INFO L421 ceAbstractionStarter]: At program point L880-3(lines 880 889) the Hoare annotation is: (let ((.cse27 (= 7 |old(~a21~0)|)) (.cse26 (= 6 |old(~a21~0)|))) (let ((.cse17 (not (= 1 |old(~a24~0)|))) (.cse34 (not .cse26)) (.cse31 (not .cse27)) (.cse32 (not (= 8 |old(~a21~0)|)))) (let ((.cse11 (= ~a21~0 6)) (.cse28 (not (= ~a15~0 9))) (.cse0 (= 1 ~a24~0)) (.cse20 (not (= ~a15~0 7))) (.cse29 (or (and .cse34 .cse31 .cse32) (<= |old(~a12~0)| 11) (< 80 |old(~a12~0)|))) (.cse30 (or .cse31 .cse17 (not (= |old(~a15~0)| 9)))) (.cse33 (<= 0 (+ |old(~a12~0)| 42)))) (let ((.cse7 (= 7 ~a21~0)) (.cse18 (not (= 8 |old(~a15~0)|))) (.cse6 (and .cse11 .cse28 .cse0 .cse20 .cse29 .cse30 (or .cse34 .cse33 (not (= 5 |old(~a15~0)|)) .cse17)))) (let ((.cse5 (and (or (and .cse31 .cse32) (<= |old(~a12~0)| 80)) (or (not (= 10 |old(~a21~0)|)) .cse33 .cse18 .cse17) .cse6)) (.cse23 (not .cse7)) (.cse22 (not (= 6 ~a21~0)))) (let ((.cse4 (<= ~a12~0 73282)) (.cse14 (< 80 ~a12~0)) (.cse13 (and .cse28 (not (= 10 ~a21~0)) .cse23 .cse0 .cse29 .cse30 .cse22)) (.cse16 (= |old(~a15~0)| ~a15~0)) (.cse19 (<= ~a12~0 76)) (.cse9 (<= ~a12~0 11)) (.cse15 (= ~a21~0 8)) (.cse2 (= 9 ~a15~0)) (.cse8 (<= 19 ~a12~0)) (.cse21 (= 7 ~a15~0)) (.cse1 (= ~a21~0 10)) (.cse10 (= ~a24~0 |old(~a24~0)|)) (.cse25 (and .cse5 (or .cse26 .cse27))) (.cse3 (<= ~a15~0 7)) (.cse24 (<= (+ ~a12~0 49) 0)) (.cse12 (= 8 ~a15~0))) (or (and (<= 81 ~a12~0) .cse0 .cse1 .cse2) (and .cse3 (and .cse4 .cse5)) (and (= 5 ~a15~0) .cse6) (and (and .cse7 .cse0) .cse2 .cse8) (and (and .cse1 .cse9) .cse10 .cse2) (and (exists ((v_prenex_5 Int)) (and (<= 0 v_prenex_5) (<= 95381 v_prenex_5) (<= (+ (mod v_prenex_5 299959) 286349) ~a12~0))) (and (and .cse11 .cse10) .cse12)) (and .cse3 .cse13) (< 0 (+ |old(~a12~0)| 49)) (and (and .cse4 (and (and .cse14 .cse13) .cse15)) .cse16) (and .cse0 .cse2 (and (= ~a15~0 ~a21~0) .cse8)) (and (= 8 ~a21~0) .cse0 .cse9 .cse2) (and (and .cse0 (= ~a15~0 |old(~a15~0)|)) .cse1 .cse8) (and (and .cse0 .cse15 .cse14) .cse2) .cse17 (and (and (<= 95381 ~a12~0) (and .cse11 .cse0) (<= ~a12~0 95442)) .cse2) .cse18 (and (and .cse19 .cse13) .cse16 .cse8) (and (and .cse0 (and .cse19 .cse20)) .cse3) (and (and .cse0 .cse9) .cse21) (and .cse12 (and .cse0 .cse9 .cse22)) (and (and .cse15 (<= ~a12~0 72)) .cse0 .cse2 .cse8) (and (and .cse23 .cse0) .cse21) (and (and .cse3 .cse1) .cse10) (< 7 |old(~a21~0)|) (and (and .cse11 .cse24 .cse20) .cse3) (and (= 6 ~a15~0) .cse25) (< |old(~a21~0)| 7) (and (<= ~a12~0 95434) .cse25 .cse3 (< 95380 ~a12~0)) (and .cse24 .cse0 .cse12)))))))) [2018-11-18 10:11:00,296 INFO L425 ceAbstractionStarter]: For program point L880-4(lines 874 890) no Hoare annotation was computed. [2018-11-18 10:11:00,301 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,303 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,315 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:11:00 BoogieIcfgContainer [2018-11-18 10:11:00,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:11:00,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:11:00,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:11:00,328 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:11:00,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:08:11" (3/4) ... [2018-11-18 10:11:00,331 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:11:00,338 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:11:00,338 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 10:11:00,338 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:11:00,350 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:11:00,351 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:11:00,375 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((81 <= a12 && 1 == a24) && a21 == 10) && 9 == a15) || (a15 <= 7 && a12 <= 73282 && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 80) && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (((((a21 == 6 && !(a15 == 9)) && 1 == a24) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15))) || !(1 == \old(a24))))) || (5 == a15 && (((((a21 == 6 && !(a15 == 9)) && 1 == a24) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15))) || !(1 == \old(a24))))) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || (((a21 == 10 && a12 <= 11) && a24 == \old(a24)) && 9 == a15)) || ((\exists v_prenex_5 : int :: (0 <= v_prenex_5 && 95381 <= v_prenex_5) && v_prenex_5 % 299959 + 286349 <= a12) && (a21 == 6 && a24 == \old(a24)) && 8 == a15)) || (a15 <= 7 && (((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && !(6 == a21))) || 0 < \old(a12) + 49) || ((a12 <= 73282 && (80 < a12 && (((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && !(6 == a21)) && a21 == 8) && \old(a15) == a15)) || ((1 == a24 && 9 == a15) && a15 == a21 && 19 <= a12)) || (((8 == a21 && 1 == a24) && a12 <= 11) && 9 == a15)) || (((1 == a24 && a15 == \old(a15)) && a21 == 10) && 19 <= a12)) || (((1 == a24 && a21 == 8) && 80 < a12) && 9 == a15)) || !(1 == \old(a24))) || (((95381 <= a12 && a21 == 6 && 1 == a24) && a12 <= 95442) && 9 == a15)) || !(8 == \old(a15))) || (((a12 <= 76 && (((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && !(6 == a21)) && \old(a15) == a15) && 19 <= a12)) || ((1 == a24 && a12 <= 76 && !(a15 == 7)) && a15 <= 7)) || ((1 == a24 && a12 <= 11) && 7 == a15)) || (8 == a15 && (1 == a24 && a12 <= 11) && !(6 == a21))) || ((((a21 == 8 && a12 <= 72) && 1 == a24) && 9 == a15) && 19 <= a12)) || ((!(7 == a21) && 1 == a24) && 7 == a15)) || ((a15 <= 7 && a21 == 10) && a24 == \old(a24))) || 7 < \old(a21)) || (((a21 == 6 && a12 + 49 <= 0) && !(a15 == 7)) && a15 <= 7)) || (6 == a15 && ((((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 80) && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (((((a21 == 6 && !(a15 == 9)) && 1 == a24) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15))) || !(1 == \old(a24)))) && (6 == \old(a21) || 7 == \old(a21)))) || \old(a21) < 7) || (((a12 <= 95434 && ((((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 80) && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (((((a21 == 6 && !(a15 == 9)) && 1 == a24) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15))) || !(1 == \old(a24)))) && (6 == \old(a21) || 7 == \old(a21))) && a15 <= 7) && 95380 < a12)) || ((a12 + 49 <= 0 && 1 == a24) && 8 == a15) [2018-11-18 10:11:00,458 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d83aaf1b-0f31-4b2c-95d3-966da67bd852/bin-2019/uautomizer/witness.graphml [2018-11-18 10:11:00,458 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:11:00,459 INFO L168 Benchmark]: Toolchain (without parser) took 170060.04 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 956.6 MB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 10:11:00,459 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:11:00,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.57 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:11:00,460 INFO L168 Benchmark]: Boogie Preprocessor took 144.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 916.3 MB in the beginning and 1.2 GB in the end (delta: -254.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:11:00,460 INFO L168 Benchmark]: RCFGBuilder took 873.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:11:00,460 INFO L168 Benchmark]: TraceAbstraction took 168494.84 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-11-18 10:11:00,460 INFO L168 Benchmark]: Witness Printer took 130.32 ms. Allocated memory is still 4.8 GB. Free memory was 3.5 GB in the beginning and 3.5 GB in the end (delta: 77.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:11:00,462 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 413.57 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 916.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 144.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 916.3 MB in the beginning and 1.2 GB in the end (delta: -254.3 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 873.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 128.0 MB). Peak memory consumption was 128.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 168494.84 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 130.32 ms. Allocated memory is still 4.8 GB. Free memory was 3.5 GB in the beginning and 3.5 GB in the end (delta: 77.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant [2018-11-18 10:11:00,465 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,465 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,465 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 10:11:00,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((((81 <= a12 && 1 == a24) && a21 == 10) && 9 == a15) || (a15 <= 7 && a12 <= 73282 && (((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 80) && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (((((a21 == 6 && !(a15 == 9)) && 1 == a24) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15))) || !(1 == \old(a24))))) || (5 == a15 && (((((a21 == 6 && !(a15 == 9)) && 1 == a24) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15))) || !(1 == \old(a24))))) || (((7 == a21 && 1 == a24) && 9 == a15) && 19 <= a12)) || (((a21 == 10 && a12 <= 11) && a24 == \old(a24)) && 9 == a15)) || ((\exists v_prenex_5 : int :: (0 <= v_prenex_5 && 95381 <= v_prenex_5) && v_prenex_5 % 299959 + 286349 <= a12) && (a21 == 6 && a24 == \old(a24)) && 8 == a15)) || (a15 <= 7 && (((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && !(6 == a21))) || 0 < \old(a12) + 49) || ((a12 <= 73282 && (80 < a12 && (((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && !(6 == a21)) && a21 == 8) && \old(a15) == a15)) || ((1 == a24 && 9 == a15) && a15 == a21 && 19 <= a12)) || (((8 == a21 && 1 == a24) && a12 <= 11) && 9 == a15)) || (((1 == a24 && a15 == \old(a15)) && a21 == 10) && 19 <= a12)) || (((1 == a24 && a21 == 8) && 80 < a12) && 9 == a15)) || !(1 == \old(a24))) || (((95381 <= a12 && a21 == 6 && 1 == a24) && a12 <= 95442) && 9 == a15)) || !(8 == \old(a15))) || (((a12 <= 76 && (((((!(a15 == 9) && !(10 == a21)) && !(7 == a21)) && 1 == a24) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && !(6 == a21)) && \old(a15) == a15) && 19 <= a12)) || ((1 == a24 && a12 <= 76 && !(a15 == 7)) && a15 <= 7)) || ((1 == a24 && a12 <= 11) && 7 == a15)) || (8 == a15 && (1 == a24 && a12 <= 11) && !(6 == a21))) || ((((a21 == 8 && a12 <= 72) && 1 == a24) && 9 == a15) && 19 <= a12)) || ((!(7 == a21) && 1 == a24) && 7 == a15)) || ((a15 <= 7 && a21 == 10) && a24 == \old(a24))) || 7 < \old(a21)) || (((a21 == 6 && a12 + 49 <= 0) && !(a15 == 7)) && a15 <= 7)) || (6 == a15 && ((((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 80) && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (((((a21 == 6 && !(a15 == 9)) && 1 == a24) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15))) || !(1 == \old(a24)))) && (6 == \old(a21) || 7 == \old(a21)))) || \old(a21) < 7) || (((a12 <= 95434 && ((((!(7 == \old(a21)) && !(8 == \old(a21))) || \old(a12) <= 80) && (((!(10 == \old(a21)) || 0 <= \old(a12) + 42) || !(8 == \old(a15))) || !(1 == \old(a24)))) && (((((a21 == 6 && !(a15 == 9)) && 1 == a24) && !(a15 == 7)) && ((((!(6 == \old(a21)) && !(7 == \old(a21))) && !(8 == \old(a21))) || \old(a12) <= 11) || 80 < \old(a12))) && ((!(7 == \old(a21)) || !(1 == \old(a24))) || !(\old(a15) == 9))) && (((!(6 == \old(a21)) || 0 <= \old(a12) + 42) || !(5 == \old(a15))) || !(1 == \old(a24)))) && (6 == \old(a21) || 7 == \old(a21))) && a15 <= 7) && 95380 < a12)) || ((a12 + 49 <= 0 && 1 == a24) && 8 == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 255 locations, 1 error locations. SAFE Result, 168.4s OverallTime, 19 OverallIterations, 16 TraceHistogramMax, 99.5s AutomataDifference, 0.0s DeadEndRemovalTime, 23.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2244 SDtfs, 90609 SDslu, 8698 SDs, 0 SdLazy, 136142 SolverSat, 14153 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 53.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19718 GetRequests, 18665 SyntacticMatches, 26 SemanticMatches, 1027 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36415 ImplicationChecksByTransitivity, 36.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24311occurred in iteration=15, 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: 2.6s AutomataMinimizationTime, 19 MinimizatonAttempts, 17548 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 915 PreInvPairs, 1219 NumberOfFragments, 2585 HoareAnnotationTreeSize, 915 FomulaSimplifications, 12251653 FormulaSimplificationTreeSizeReduction, 6.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2686692 FormulaSimplificationTreeSizeReductionInter, 17.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 17.9s InterpolantComputationTime, 36653 NumberOfCodeBlocks, 36653 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 36618 ConstructedInterpolants, 7 QuantifiedInterpolants, 203858510 SizeOfPredicates, 29 NumberOfNonLiveVariables, 25123 ConjunctsInSsa, 200 ConjunctsInUnsatCore, 35 InterpolantComputations, 5 PerfectInterpolantSequences, 133304/161052 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...