./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_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_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/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 936e1fac1e718929285e646469efe9b1619e10b2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:11:09,829 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:11:09,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:11:09,836 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:11:09,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:11:09,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:11:09,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:11:09,840 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:11:09,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:11:09,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:11:09,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:11:09,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:11:09,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:11:09,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:11:09,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:11:09,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:11:09,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:11:09,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:11:09,847 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:11:09,848 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:11:09,849 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:11:09,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:11:09,851 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:11:09,851 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:11:09,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:11:09,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:11:09,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:11:09,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:11:09,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:11:09,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:11:09,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:11:09,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:11:09,856 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:11:09,856 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:11:09,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:11:09,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:11:09,857 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 11:11:09,867 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:11:09,867 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:11:09,868 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:11:09,868 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:11:09,868 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:11:09,869 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:11:09,869 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:11:09,869 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:11:09,869 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:11:09,869 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:11:09,869 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:11:09,869 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:11:09,869 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:11:09,870 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:11:09,870 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:11:09,870 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:11:09,870 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:11:09,870 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:11:09,870 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:11:09,870 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:11:09,870 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:11:09,870 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:11:09,870 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:11:09,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:11:09,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:11:09,871 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:11:09,871 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:11:09,871 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:11:09,871 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:11:09,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:11:09,871 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_dc001af0-83a6-40e8-884c-3dfa7c7199e3/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 -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-11-18 11:11:09,897 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:11:09,906 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:11:09,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:11:09,909 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:11:09,909 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:11:09,910 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-18 11:11:09,945 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/data/554020334/e513a7020e1e453bbf37bf1d77cc73e0/FLAG2b9a952c5 [2018-11-18 11:11:10,409 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:11:10,410 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-18 11:11:10,422 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/data/554020334/e513a7020e1e453bbf37bf1d77cc73e0/FLAG2b9a952c5 [2018-11-18 11:11:10,929 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/data/554020334/e513a7020e1e453bbf37bf1d77cc73e0 [2018-11-18 11:11:10,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:11:10,932 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:11:10,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:11:10,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:11:10,935 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:11:10,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:11:10" (1/1) ... [2018-11-18 11:11:10,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c679ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:10, skipping insertion in model container [2018-11-18 11:11:10,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:11:10" (1/1) ... [2018-11-18 11:11:10,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:11:10,979 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:11:11,231 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:11:11,234 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:11:11,300 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:11:11,312 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:11:11,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:11 WrapperNode [2018-11-18 11:11:11,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:11:11,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:11:11,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:11:11,314 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:11:11,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:11" (1/1) ... [2018-11-18 11:11:11,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:11" (1/1) ... [2018-11-18 11:11:11,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:11" (1/1) ... [2018-11-18 11:11:11,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:11" (1/1) ... [2018-11-18 11:11:11,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:11" (1/1) ... [2018-11-18 11:11:11,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:11" (1/1) ... [2018-11-18 11:11:11,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:11" (1/1) ... [2018-11-18 11:11:11,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:11:11,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:11:11,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:11:11,431 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:11:11,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/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 11:11:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:11:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:11:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:11:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:11:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:11:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:11:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 11:11:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:11:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:11:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:11:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:11:12,252 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:11:12,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:11:12 BoogieIcfgContainer [2018-11-18 11:11:12,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:11:12,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:11:12,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:11:12,256 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:11:12,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:11:10" (1/3) ... [2018-11-18 11:11:12,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495a60e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:11:12, skipping insertion in model container [2018-11-18 11:11:12,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:11" (2/3) ... [2018-11-18 11:11:12,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495a60e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:11:12, skipping insertion in model container [2018-11-18 11:11:12,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:11:12" (3/3) ... [2018-11-18 11:11:12,261 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-11-18 11:11:12,269 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:11:12,279 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:11:12,292 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:11:12,319 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:11:12,319 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:11:12,320 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:11:12,320 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:11:12,320 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:11:12,320 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:11:12,320 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:11:12,320 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:11:12,320 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:11:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 11:11:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 11:11:12,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:11:12,347 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:11:12,349 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:11:12,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:12,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1784134456, now seen corresponding path program 1 times [2018-11-18 11:11:12,355 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:11:12,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:11:12,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:12,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:12,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:12,654 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 11:11:12,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:11:12,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:11:12,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:11:12,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:11:12,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:11:12,670 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 11:11:13,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:13,282 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 11:11:13,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:11:13,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-11-18 11:11:13,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:13,294 INFO L225 Difference]: With dead ends: 550 [2018-11-18 11:11:13,294 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 11:11:13,298 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 11:11:13,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 11:11:13,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 11:11:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 11:11:13,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-11-18 11:11:13,359 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 92 [2018-11-18 11:11:13,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:13,359 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-11-18 11:11:13,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:11:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-11-18 11:11:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 11:11:13,363 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:11:13,363 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:11:13,363 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:11:13,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:13,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1017763991, now seen corresponding path program 1 times [2018-11-18 11:11:13,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:11:13,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:11:13,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:13,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:13,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:13,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:13,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:11:13,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:11:13,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:11:13,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:11:13,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:11:13,470 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-11-18 11:11:14,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:14,033 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-11-18 11:11:14,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:11:14,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-18 11:11:14,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:14,037 INFO L225 Difference]: With dead ends: 888 [2018-11-18 11:11:14,037 INFO L226 Difference]: Without dead ends: 554 [2018-11-18 11:11:14,038 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 11:11:14,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-18 11:11:14,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-11-18 11:11:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-18 11:11:14,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-11-18 11:11:14,057 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 103 [2018-11-18 11:11:14,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:14,057 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-11-18 11:11:14,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:11:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-11-18 11:11:14,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 11:11:14,059 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:11:14,059 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:11:14,059 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:11:14,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:14,059 INFO L82 PathProgramCache]: Analyzing trace with hash 869358827, now seen corresponding path program 1 times [2018-11-18 11:11:14,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:11:14,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:11:14,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:14,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:14,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:14,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:11:14,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:11:14,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:11:14,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:11:14,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:11:14,162 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 3 states. [2018-11-18 11:11:14,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:14,532 INFO L93 Difference]: Finished difference Result 1530 states and 2432 transitions. [2018-11-18 11:11:14,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:11:14,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2018-11-18 11:11:14,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:14,536 INFO L225 Difference]: With dead ends: 1530 [2018-11-18 11:11:14,536 INFO L226 Difference]: Without dead ends: 997 [2018-11-18 11:11:14,538 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:11:14,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-11-18 11:11:14,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2018-11-18 11:11:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2018-11-18 11:11:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1488 transitions. [2018-11-18 11:11:14,566 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1488 transitions. Word has length 104 [2018-11-18 11:11:14,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:14,567 INFO L480 AbstractCegarLoop]: Abstraction has 997 states and 1488 transitions. [2018-11-18 11:11:14,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:11:14,567 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1488 transitions. [2018-11-18 11:11:14,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 11:11:14,569 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:11:14,569 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:14,569 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:11:14,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:14,570 INFO L82 PathProgramCache]: Analyzing trace with hash -58190001, now seen corresponding path program 1 times [2018-11-18 11:11:14,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:11:14,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:11:14,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:14,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:14,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:14,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:11:14,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:11:14,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:11:14,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:11:14,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:11:14,649 INFO L87 Difference]: Start difference. First operand 997 states and 1488 transitions. Second operand 6 states. [2018-11-18 11:11:15,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:15,218 INFO L93 Difference]: Finished difference Result 2927 states and 4616 transitions. [2018-11-18 11:11:15,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:11:15,219 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 118 [2018-11-18 11:11:15,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:15,226 INFO L225 Difference]: With dead ends: 2927 [2018-11-18 11:11:15,226 INFO L226 Difference]: Without dead ends: 1936 [2018-11-18 11:11:15,229 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 11:11:15,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1936 states. [2018-11-18 11:11:15,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1936 to 1881. [2018-11-18 11:11:15,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2018-11-18 11:11:15,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2656 transitions. [2018-11-18 11:11:15,270 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2656 transitions. Word has length 118 [2018-11-18 11:11:15,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:15,270 INFO L480 AbstractCegarLoop]: Abstraction has 1881 states and 2656 transitions. [2018-11-18 11:11:15,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:11:15,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2656 transitions. [2018-11-18 11:11:15,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 11:11:15,273 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:11:15,274 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:15,274 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:11:15,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:15,274 INFO L82 PathProgramCache]: Analyzing trace with hash -2017463946, now seen corresponding path program 1 times [2018-11-18 11:11:15,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:11:15,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:11:15,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:15,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:15,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:15,370 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:11:15,370 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/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 11:11:15,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:15,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:11:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:15,479 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:11:15,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-18 11:11:15,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:11:15,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:11:15,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:11:15,480 INFO L87 Difference]: Start difference. First operand 1881 states and 2656 transitions. Second operand 7 states. [2018-11-18 11:11:16,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:16,028 INFO L93 Difference]: Finished difference Result 4368 states and 6441 transitions. [2018-11-18 11:11:16,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:11:16,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2018-11-18 11:11:16,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:16,037 INFO L225 Difference]: With dead ends: 4368 [2018-11-18 11:11:16,037 INFO L226 Difference]: Without dead ends: 2493 [2018-11-18 11:11:16,041 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:11:16,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2018-11-18 11:11:16,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2441. [2018-11-18 11:11:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2441 states. [2018-11-18 11:11:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 3439 transitions. [2018-11-18 11:11:16,088 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 3439 transitions. Word has length 136 [2018-11-18 11:11:16,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:16,088 INFO L480 AbstractCegarLoop]: Abstraction has 2441 states and 3439 transitions. [2018-11-18 11:11:16,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:11:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 3439 transitions. [2018-11-18 11:11:16,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 11:11:16,092 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:11:16,092 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:11:16,093 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:11:16,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:16,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1233798254, now seen corresponding path program 1 times [2018-11-18 11:11:16,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:11:16,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:11:16,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:16,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:16,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:16,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:11:16,188 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/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 11:11:16,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:16,239 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:11:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:11:16,342 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:11:16,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-18 11:11:16,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 11:11:16,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 11:11:16,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:11:16,343 INFO L87 Difference]: Start difference. First operand 2441 states and 3439 transitions. Second operand 8 states. [2018-11-18 11:11:17,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:17,623 INFO L93 Difference]: Finished difference Result 6198 states and 9296 transitions. [2018-11-18 11:11:17,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 11:11:17,624 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2018-11-18 11:11:17,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:17,638 INFO L225 Difference]: With dead ends: 6198 [2018-11-18 11:11:17,639 INFO L226 Difference]: Without dead ends: 3763 [2018-11-18 11:11:17,648 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-18 11:11:17,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2018-11-18 11:11:17,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3324. [2018-11-18 11:11:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3324 states. [2018-11-18 11:11:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 4278 transitions. [2018-11-18 11:11:17,738 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 4278 transitions. Word has length 140 [2018-11-18 11:11:17,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:17,738 INFO L480 AbstractCegarLoop]: Abstraction has 3324 states and 4278 transitions. [2018-11-18 11:11:17,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 11:11:17,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 4278 transitions. [2018-11-18 11:11:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:11:17,743 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:11:17,743 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:11:17,743 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:11:17,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:17,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1780330484, now seen corresponding path program 1 times [2018-11-18 11:11:17,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:11:17,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:11:17,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:17,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:17,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:17,838 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:17,838 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:11:17,839 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/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 11:11:17,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:17,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:11:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 69 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:17,974 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:11:17,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-18 11:11:17,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:11:17,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:11:17,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:11:17,975 INFO L87 Difference]: Start difference. First operand 3324 states and 4278 transitions. Second operand 7 states. [2018-11-18 11:11:18,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:18,578 INFO L93 Difference]: Finished difference Result 7717 states and 10405 transitions. [2018-11-18 11:11:18,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:11:18,579 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2018-11-18 11:11:18,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:18,589 INFO L225 Difference]: With dead ends: 7717 [2018-11-18 11:11:18,589 INFO L226 Difference]: Without dead ends: 4399 [2018-11-18 11:11:18,596 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:11:18,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2018-11-18 11:11:18,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 4324. [2018-11-18 11:11:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4324 states. [2018-11-18 11:11:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4324 states to 4324 states and 5653 transitions. [2018-11-18 11:11:18,665 INFO L78 Accepts]: Start accepts. Automaton has 4324 states and 5653 transitions. Word has length 160 [2018-11-18 11:11:18,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:18,666 INFO L480 AbstractCegarLoop]: Abstraction has 4324 states and 5653 transitions. [2018-11-18 11:11:18,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:11:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 4324 states and 5653 transitions. [2018-11-18 11:11:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 11:11:18,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:11:18,672 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:18,672 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:11:18,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:18,672 INFO L82 PathProgramCache]: Analyzing trace with hash 643602389, now seen corresponding path program 1 times [2018-11-18 11:11:18,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:11:18,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:11:18,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:18,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:18,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 89 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:11:18,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:11:18,766 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/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 11:11:18,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:18,841 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:11:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 11:11:18,901 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:11:18,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 11:11:18,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:11:18,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:11:18,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:11:18,902 INFO L87 Difference]: Start difference. First operand 4324 states and 5653 transitions. Second operand 9 states. [2018-11-18 11:11:20,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:20,499 INFO L93 Difference]: Finished difference Result 9150 states and 12610 transitions. [2018-11-18 11:11:20,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 11:11:20,500 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2018-11-18 11:11:20,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:20,512 INFO L225 Difference]: With dead ends: 9150 [2018-11-18 11:11:20,512 INFO L226 Difference]: Without dead ends: 4832 [2018-11-18 11:11:20,519 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2018-11-18 11:11:20,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2018-11-18 11:11:20,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 4598. [2018-11-18 11:11:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4598 states. [2018-11-18 11:11:20,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4598 states to 4598 states and 5755 transitions. [2018-11-18 11:11:20,593 INFO L78 Accepts]: Start accepts. Automaton has 4598 states and 5755 transitions. Word has length 177 [2018-11-18 11:11:20,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:20,593 INFO L480 AbstractCegarLoop]: Abstraction has 4598 states and 5755 transitions. [2018-11-18 11:11:20,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:11:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4598 states and 5755 transitions. [2018-11-18 11:11:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 11:11:20,599 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:11:20,599 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:11:20,600 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:11:20,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:20,600 INFO L82 PathProgramCache]: Analyzing trace with hash -118224534, now seen corresponding path program 1 times [2018-11-18 11:11:20,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:11:20,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:11:20,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:20,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:20,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:11:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 116 proven. 28 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 11:11:20,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:11:20,692 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/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 11:11:20,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:11:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:20,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:11:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 54 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:11:20,813 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:11:20,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-18 11:11:20,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 11:11:20,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 11:11:20,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:11:20,814 INFO L87 Difference]: Start difference. First operand 4598 states and 5755 transitions. Second operand 8 states. [2018-11-18 11:11:22,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:11:22,309 INFO L93 Difference]: Finished difference Result 14225 states and 18836 transitions. [2018-11-18 11:11:22,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 11:11:22,310 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2018-11-18 11:11:22,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:11:22,310 INFO L225 Difference]: With dead ends: 14225 [2018-11-18 11:11:22,310 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:11:22,338 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2018-11-18 11:11:22,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:11:22,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:11:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:11:22,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:11:22,339 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2018-11-18 11:11:22,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:11:22,339 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:11:22,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 11:11:22,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:11:22,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:11:22,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:11:22,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,898 WARN L180 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 258 [2018-11-18 11:11:22,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:22,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:11:23,322 WARN L180 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 258 [2018-11-18 11:11:23,853 WARN L180 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 50 [2018-11-18 11:11:24,497 WARN L180 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 53 [2018-11-18 11:11:25,101 WARN L180 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 53 [2018-11-18 11:11:25,102 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:11:25,102 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-18 11:11:25,102 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:11:25,102 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 11:11:25,103 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 11:11:25,104 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,105 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 11:11:25,106 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,107 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 11:11:25,108 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,109 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= 6 |old(~a16~0)|)) (.cse16 (< 0 |old(~a21~0)|)) (.cse7 (= ~a7~0 |old(~a7~0)|)) (.cse8 (= |old(~a8~0)| ~a8~0)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse9 (= |old(~a16~0)| ~a16~0)) (.cse10 (= ~a20~0 |old(~a20~0)|)) (.cse11 (= ~a21~0 |old(~a21~0)|))) (let ((.cse1 (and .cse7 .cse8 .cse14 .cse9 .cse10 .cse11)) (.cse0 (or .cse3 .cse16)) (.cse5 (= 13 |old(~a8~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse6 (and .cse7 .cse8 .cse14 .cse15 (= 1 ~a21~0) .cse10)) (.cse12 (not (= 1 |old(~a17~0)|))) (.cse13 (not (= 1 |old(~a20~0)|))) (.cse2 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse1) (or .cse4 .cse5 .cse2 .cse6) (or (and .cse7 .cse8 .cse9 .cse10 .cse11 (= 1 ~a17~0)) .cse0 .cse12) (or .cse4 .cse6 .cse5 .cse12) (or .cse4 .cse13 .cse6 .cse12) (or .cse13 .cse2 (and .cse11 .cse7 .cse8 .cse14 .cse15 .cse10) .cse16)))) [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,110 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 11:11:25,111 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,112 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (= 1 ~a21~0) (not (= ~a8~0 13)) (= ~a16~0 5) (= 1 ~a17~0)) [2018-11-18 11:11:25,113 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (= 13 |old(~a8~0)|) (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 11:11:25,113 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~a21~0)|)))) (let ((.cse2 (not (= ~a16~0 6))) (.cse1 (<= ~a21~0 0)) (.cse5 (= 1 ~a20~0)) (.cse8 (<= ~a17~0 0)) (.cse7 (= 1 ~a21~0)) (.cse4 (or .cse0 (not (= |old(~a7~0)| 1)))) (.cse6 (not (= ~a8~0 13))) (.cse3 (= 1 ~a17~0))) (or .cse0 (and (and .cse1 .cse2 .cse3) .cse4) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a7~0 |old(~a7~0)|) (and (and (and .cse5 .cse6) .cse7) (= ~a16~0 5) .cse3)) (and .cse5 .cse4 .cse7 .cse3) (and .cse1 .cse2 .cse8 .cse4) (and .cse7 .cse8 .cse4 .cse6) (and .cse2 .cse7 .cse8 .cse4) (= 13 |old(~a8~0)|) (and .cse1 .cse5 .cse8 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse7 .cse4 .cse6 .cse3)))) [2018-11-18 11:11:25,113 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 11:11:25,114 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 11:11:25,114 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 11:11:25,114 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~a21~0)|)))) (let ((.cse2 (not (= ~a16~0 6))) (.cse1 (<= ~a21~0 0)) (.cse5 (= 1 ~a20~0)) (.cse8 (<= ~a17~0 0)) (.cse7 (= 1 ~a21~0)) (.cse4 (or .cse0 (not (= |old(~a7~0)| 1)))) (.cse6 (not (= ~a8~0 13))) (.cse3 (= 1 ~a17~0))) (or .cse0 (and (and .cse1 .cse2 .cse3) .cse4) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a7~0 |old(~a7~0)|) (and (and (and .cse5 .cse6) .cse7) (= ~a16~0 5) .cse3)) (and .cse5 .cse4 .cse7 .cse3) (and .cse1 .cse2 .cse8 .cse4) (and .cse7 .cse8 .cse4 .cse6) (and .cse2 .cse7 .cse8 .cse4) (= 13 |old(~a8~0)|) (and .cse1 .cse5 .cse8 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse7 .cse4 .cse6 .cse3)))) [2018-11-18 11:11:25,114 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 11:11:25,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:11:25 BoogieIcfgContainer [2018-11-18 11:11:25,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:11:25,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:11:25,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:11:25,128 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:11:25,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:11:12" (3/4) ... [2018-11-18 11:11:25,131 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:11:25,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:11:25,138 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:11:25,139 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:11:25,147 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 11:11:25,148 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:11:25,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == \old(a21)) || (((a21 <= 0 && !(a16 == 6)) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (a7 == \old(a7) && (((1 == a20 && !(a8 == 13)) && 1 == a21) && a16 == 5) && 1 == a17)) || (((1 == a20 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && 1 == a21) && 1 == a17)) || (((a21 <= 0 && !(a16 == 6)) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || (((1 == a21 && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || 13 == \old(a8)) || (((a21 <= 0 && 1 == a20) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a17))) || (((1 == a21 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13)) && 1 == a17) [2018-11-18 11:11:25,226 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dc001af0-83a6-40e8-884c-3dfa7c7199e3/bin-2019/uautomizer/witness.graphml [2018-11-18 11:11:25,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:11:25,227 INFO L168 Benchmark]: Toolchain (without parser) took 14295.56 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 559.9 MB). Free memory was 956.6 MB in the beginning and 1.4 GB in the end (delta: -467.6 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:25,228 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 11:11:25,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.51 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:25,228 INFO L168 Benchmark]: Boogie Preprocessor took 117.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -213.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:25,228 INFO L168 Benchmark]: RCFGBuilder took 821.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:25,228 INFO L168 Benchmark]: TraceAbstraction took 12874.05 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 415.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -407.4 MB). Peak memory consumption was 504.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:25,228 INFO L168 Benchmark]: Witness Printer took 98.98 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:11:25,229 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 380.51 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 924.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -213.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 821.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12874.05 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 415.2 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -407.4 MB). Peak memory consumption was 504.4 MB. Max. memory is 11.5 GB. * Witness Printer took 98.98 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(a21)) || (((a21 <= 0 && !(a16 == 6)) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (a7 == \old(a7) && (((1 == a20 && !(a8 == 13)) && 1 == a21) && a16 == 5) && 1 == a17)) || (((1 == a20 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && 1 == a21) && 1 == a17)) || (((a21 <= 0 && !(a16 == 6)) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || (((1 == a21 && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || 13 == \old(a8)) || (((a21 <= 0 && 1 == a20) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a17))) || (((1 == a21 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13)) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 12.8s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 7.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 903 SDtfs, 6465 SDslu, 1296 SDs, 0 SdLazy, 11518 SolverSat, 2372 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 962 GetRequests, 857 SyntacticMatches, 6 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4598occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 870 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 190 PreInvPairs, 342 NumberOfFragments, 662 HoareAnnotationTreeSize, 190 FomulaSimplifications, 104310 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 50699 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2043 NumberOfCodeBlocks, 2043 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2029 ConstructedInterpolants, 0 QuantifiedInterpolants, 695464 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2394 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 862/992 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...