./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label30_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label30_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/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 5e9f687b42339afcb86609638d702908304a6728 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:45:42,864 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:45:42,865 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:45:42,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:45:42,874 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:45:42,875 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:45:42,876 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:45:42,877 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:45:42,878 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:45:42,879 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:45:42,879 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:45:42,879 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:45:42,880 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:45:42,881 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:45:42,881 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:45:42,882 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:45:42,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:45:42,884 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:45:42,885 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:45:42,886 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:45:42,887 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:45:42,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:45:42,889 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:45:42,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:45:42,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:45:42,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:45:42,890 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:45:42,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:45:42,891 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:45:42,892 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:45:42,892 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:45:42,893 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:45:42,893 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:45:42,893 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:45:42,894 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:45:42,894 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:45:42,894 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 08:45:42,904 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:45:42,904 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:45:42,905 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:45:42,905 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:45:42,905 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:45:42,906 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:45:42,906 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:45:42,906 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:45:42,906 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:45:42,906 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:45:42,906 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:45:42,906 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:45:42,907 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:45:42,907 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:45:42,907 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:45:42,907 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:45:42,907 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:45:42,907 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:45:42,907 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:45:42,908 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:45:42,908 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:45:42,908 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:45:42,908 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:45:42,908 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:45:42,908 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:45:42,909 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:45:42,909 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:45:42,909 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:45:42,909 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:45:42,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:45:42,909 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_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/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 -> 5e9f687b42339afcb86609638d702908304a6728 [2018-11-18 08:45:42,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:45:42,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:45:42,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:45:42,944 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:45:42,944 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:45:42,945 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label30_true-unreach-call.c [2018-11-18 08:45:42,981 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/data/24edd624e/3a086574dd8748aa856a50f9980b10cb/FLAG5fb6fd70f [2018-11-18 08:45:43,413 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:45:43,414 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/sv-benchmarks/c/eca-rers2012/Problem10_label30_true-unreach-call.c [2018-11-18 08:45:43,424 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/data/24edd624e/3a086574dd8748aa856a50f9980b10cb/FLAG5fb6fd70f [2018-11-18 08:45:43,435 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/data/24edd624e/3a086574dd8748aa856a50f9980b10cb [2018-11-18 08:45:43,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:45:43,439 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:45:43,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:45:43,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:45:43,443 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:45:43,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:45:43" (1/1) ... [2018-11-18 08:45:43,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43, skipping insertion in model container [2018-11-18 08:45:43,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:45:43" (1/1) ... [2018-11-18 08:45:43,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:45:43,487 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:45:43,701 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:45:43,704 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:45:43,772 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:45:43,781 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:45:43,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43 WrapperNode [2018-11-18 08:45:43,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:45:43,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:45:43,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:45:43,782 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:45:43,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43" (1/1) ... [2018-11-18 08:45:43,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43" (1/1) ... [2018-11-18 08:45:43,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43" (1/1) ... [2018-11-18 08:45:43,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43" (1/1) ... [2018-11-18 08:45:43,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43" (1/1) ... [2018-11-18 08:45:43,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43" (1/1) ... [2018-11-18 08:45:43,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43" (1/1) ... [2018-11-18 08:45:43,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:45:43,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:45:43,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:45:43,894 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:45:43,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/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 08:45:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:45:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:45:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 08:45:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:45:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 08:45:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:45:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 08:45:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 08:45:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:45:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:45:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:45:44,746 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:45:44,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:44 BoogieIcfgContainer [2018-11-18 08:45:44,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:45:44,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:45:44,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:45:44,750 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:45:44,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:45:43" (1/3) ... [2018-11-18 08:45:44,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2919f54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:45:44, skipping insertion in model container [2018-11-18 08:45:44,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:45:43" (2/3) ... [2018-11-18 08:45:44,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2919f54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:45:44, skipping insertion in model container [2018-11-18 08:45:44,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:44" (3/3) ... [2018-11-18 08:45:44,753 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label30_true-unreach-call.c [2018-11-18 08:45:44,759 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:45:44,765 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:45:44,775 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:45:44,798 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:45:44,799 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:45:44,799 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:45:44,799 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:45:44,799 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:45:44,799 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:45:44,799 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:45:44,799 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:45:44,799 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:45:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 08:45:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 08:45:44,822 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:44,823 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] [2018-11-18 08:45:44,824 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:44,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:44,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1431628569, now seen corresponding path program 1 times [2018-11-18 08:45:44,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:44,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:44,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:44,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:44,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:45,030 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 08:45:45,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:45:45,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:45:45,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:45:45,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:45:45,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:45:45,045 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-18 08:45:45,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:45,717 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-18 08:45:45,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:45:45,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-11-18 08:45:45,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:45,727 INFO L225 Difference]: With dead ends: 574 [2018-11-18 08:45:45,728 INFO L226 Difference]: Without dead ends: 356 [2018-11-18 08:45:45,732 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 08:45:45,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-18 08:45:45,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-18 08:45:45,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 08:45:45,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-18 08:45:45,786 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 41 [2018-11-18 08:45:45,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:45,786 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-18 08:45:45,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:45:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-18 08:45:45,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 08:45:45,790 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:45,790 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:45:45,791 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:45,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:45,792 INFO L82 PathProgramCache]: Analyzing trace with hash -965604765, now seen corresponding path program 1 times [2018-11-18 08:45:45,792 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:45,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:45,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:45,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:45,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:45,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:45:45,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:45:45,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 08:45:45,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 08:45:45,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 08:45:45,943 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 5 states. [2018-11-18 08:45:46,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:46,885 INFO L93 Difference]: Finished difference Result 1287 states and 2312 transitions. [2018-11-18 08:45:46,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:45:46,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2018-11-18 08:45:46,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:46,892 INFO L225 Difference]: With dead ends: 1287 [2018-11-18 08:45:46,892 INFO L226 Difference]: Without dead ends: 937 [2018-11-18 08:45:46,896 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:45:46,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2018-11-18 08:45:46,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 924. [2018-11-18 08:45:46,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-11-18 08:45:46,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1441 transitions. [2018-11-18 08:45:46,930 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1441 transitions. Word has length 124 [2018-11-18 08:45:46,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:46,931 INFO L480 AbstractCegarLoop]: Abstraction has 924 states and 1441 transitions. [2018-11-18 08:45:46,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 08:45:46,931 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1441 transitions. [2018-11-18 08:45:46,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 08:45:46,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:46,935 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:45:46,935 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:46,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:46,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1367473027, now seen corresponding path program 1 times [2018-11-18 08:45:46,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:46,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:46,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:46,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:46,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:47,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:45:47,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:45:47,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:45:47,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:45:47,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:45:47,063 INFO L87 Difference]: Start difference. First operand 924 states and 1441 transitions. Second operand 6 states. [2018-11-18 08:45:48,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:48,066 INFO L93 Difference]: Finished difference Result 2533 states and 4079 transitions. [2018-11-18 08:45:48,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:45:48,067 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 140 [2018-11-18 08:45:48,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:48,074 INFO L225 Difference]: With dead ends: 2533 [2018-11-18 08:45:48,074 INFO L226 Difference]: Without dead ends: 1615 [2018-11-18 08:45:48,079 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 08:45:48,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2018-11-18 08:45:48,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1584. [2018-11-18 08:45:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1584 states. [2018-11-18 08:45:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2317 transitions. [2018-11-18 08:45:48,118 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2317 transitions. Word has length 140 [2018-11-18 08:45:48,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:48,118 INFO L480 AbstractCegarLoop]: Abstraction has 1584 states and 2317 transitions. [2018-11-18 08:45:48,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:45:48,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2317 transitions. [2018-11-18 08:45:48,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 08:45:48,122 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:48,122 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:45:48,123 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:48,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:48,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1368152781, now seen corresponding path program 1 times [2018-11-18 08:45:48,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:48,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:48,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:48,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:48,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:48,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:45:48,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:45:48,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:45:48,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:45:48,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:45:48,245 INFO L87 Difference]: Start difference. First operand 1584 states and 2317 transitions. Second operand 6 states. [2018-11-18 08:45:48,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:48,814 INFO L93 Difference]: Finished difference Result 3502 states and 5313 transitions. [2018-11-18 08:45:48,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:45:48,815 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-18 08:45:48,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:48,822 INFO L225 Difference]: With dead ends: 3502 [2018-11-18 08:45:48,822 INFO L226 Difference]: Without dead ends: 1924 [2018-11-18 08:45:48,825 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 08:45:48,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2018-11-18 08:45:48,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1885. [2018-11-18 08:45:48,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1885 states. [2018-11-18 08:45:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2678 transitions. [2018-11-18 08:45:48,859 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 2678 transitions. Word has length 164 [2018-11-18 08:45:48,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:48,859 INFO L480 AbstractCegarLoop]: Abstraction has 1885 states and 2678 transitions. [2018-11-18 08:45:48,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:45:48,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2678 transitions. [2018-11-18 08:45:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 08:45:48,862 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:48,863 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:45:48,863 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:48,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:48,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1210373809, now seen corresponding path program 1 times [2018-11-18 08:45:48,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:48,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:48,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:48,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:48,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:48,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:45:48,960 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/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 08:45:48,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:49,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:45:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:49,103 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:45:49,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 08:45:49,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:45:49,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:45:49,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:45:49,104 INFO L87 Difference]: Start difference. First operand 1885 states and 2678 transitions. Second operand 9 states. [2018-11-18 08:45:50,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:50,700 INFO L93 Difference]: Finished difference Result 5379 states and 8820 transitions. [2018-11-18 08:45:50,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 08:45:50,701 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 195 [2018-11-18 08:45:50,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:50,728 INFO L225 Difference]: With dead ends: 5379 [2018-11-18 08:45:50,729 INFO L226 Difference]: Without dead ends: 3500 [2018-11-18 08:45:50,749 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2018-11-18 08:45:50,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3500 states. [2018-11-18 08:45:50,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3500 to 3412. [2018-11-18 08:45:50,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3412 states. [2018-11-18 08:45:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3412 states to 3412 states and 4805 transitions. [2018-11-18 08:45:50,850 INFO L78 Accepts]: Start accepts. Automaton has 3412 states and 4805 transitions. Word has length 195 [2018-11-18 08:45:50,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:50,850 INFO L480 AbstractCegarLoop]: Abstraction has 3412 states and 4805 transitions. [2018-11-18 08:45:50,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:45:50,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 4805 transitions. [2018-11-18 08:45:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 08:45:50,861 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:50,861 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:45:50,861 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:50,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:50,862 INFO L82 PathProgramCache]: Analyzing trace with hash -299276356, now seen corresponding path program 1 times [2018-11-18 08:45:50,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:50,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:50,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:50,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:50,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:50,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:45:50,997 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/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 08:45:51,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:51,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:45:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:51,173 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:45:51,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 08:45:51,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:45:51,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:45:51,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:45:51,174 INFO L87 Difference]: Start difference. First operand 3412 states and 4805 transitions. Second operand 9 states. [2018-11-18 08:45:52,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:52,415 INFO L93 Difference]: Finished difference Result 6804 states and 9549 transitions. [2018-11-18 08:45:52,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 08:45:52,415 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 202 [2018-11-18 08:45:52,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:52,424 INFO L225 Difference]: With dead ends: 6804 [2018-11-18 08:45:52,424 INFO L226 Difference]: Without dead ends: 3398 [2018-11-18 08:45:52,439 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2018-11-18 08:45:52,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2018-11-18 08:45:52,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3294. [2018-11-18 08:45:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3294 states. [2018-11-18 08:45:52,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4167 transitions. [2018-11-18 08:45:52,514 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4167 transitions. Word has length 202 [2018-11-18 08:45:52,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:52,514 INFO L480 AbstractCegarLoop]: Abstraction has 3294 states and 4167 transitions. [2018-11-18 08:45:52,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:45:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4167 transitions. [2018-11-18 08:45:52,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 08:45:52,522 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:52,522 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:45:52,523 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:52,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:52,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1623825080, now seen corresponding path program 1 times [2018-11-18 08:45:52,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:52,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:52,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:52,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:52,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:52,648 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 08:45:52,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:45:52,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:45:52,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:45:52,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:45:52,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:45:52,649 INFO L87 Difference]: Start difference. First operand 3294 states and 4167 transitions. Second operand 4 states. [2018-11-18 08:45:53,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:53,361 INFO L93 Difference]: Finished difference Result 7278 states and 9534 transitions. [2018-11-18 08:45:53,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:45:53,361 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 212 [2018-11-18 08:45:53,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:53,369 INFO L225 Difference]: With dead ends: 7278 [2018-11-18 08:45:53,369 INFO L226 Difference]: Without dead ends: 3990 [2018-11-18 08:45:53,375 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:45:53,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3990 states. [2018-11-18 08:45:53,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3990 to 3979. [2018-11-18 08:45:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3979 states. [2018-11-18 08:45:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3979 states and 4888 transitions. [2018-11-18 08:45:53,422 INFO L78 Accepts]: Start accepts. Automaton has 3979 states and 4888 transitions. Word has length 212 [2018-11-18 08:45:53,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:53,423 INFO L480 AbstractCegarLoop]: Abstraction has 3979 states and 4888 transitions. [2018-11-18 08:45:53,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:45:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3979 states and 4888 transitions. [2018-11-18 08:45:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 08:45:53,428 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:53,428 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:45:53,429 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:53,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:53,429 INFO L82 PathProgramCache]: Analyzing trace with hash -336754980, now seen corresponding path program 1 times [2018-11-18 08:45:53,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:53,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:53,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:53,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:53,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 68 proven. 73 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:45:53,517 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:45:53,517 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/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 08:45:53,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:53,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:45:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 08:45:53,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:45:53,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-18 08:45:53,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:45:53,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:45:53,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:45:53,644 INFO L87 Difference]: Start difference. First operand 3979 states and 4888 transitions. Second operand 6 states. [2018-11-18 08:45:54,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:54,711 INFO L93 Difference]: Finished difference Result 9910 states and 12382 transitions. [2018-11-18 08:45:54,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 08:45:54,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2018-11-18 08:45:54,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:54,723 INFO L225 Difference]: With dead ends: 9910 [2018-11-18 08:45:54,723 INFO L226 Difference]: Without dead ends: 5937 [2018-11-18 08:45:54,729 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 221 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:45:54,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5937 states. [2018-11-18 08:45:54,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5937 to 5739. [2018-11-18 08:45:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5739 states. [2018-11-18 08:45:54,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5739 states to 5739 states and 6917 transitions. [2018-11-18 08:45:54,795 INFO L78 Accepts]: Start accepts. Automaton has 5739 states and 6917 transitions. Word has length 218 [2018-11-18 08:45:54,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:54,795 INFO L480 AbstractCegarLoop]: Abstraction has 5739 states and 6917 transitions. [2018-11-18 08:45:54,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:45:54,795 INFO L276 IsEmpty]: Start isEmpty. Operand 5739 states and 6917 transitions. [2018-11-18 08:45:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 08:45:54,804 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:54,804 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 08:45:54,804 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:54,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:54,804 INFO L82 PathProgramCache]: Analyzing trace with hash 124064413, now seen corresponding path program 1 times [2018-11-18 08:45:54,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:54,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:54,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:54,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:54,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 68 proven. 98 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 08:45:54,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:45:54,937 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/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 08:45:54,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:54,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:45:55,056 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 08:45:55,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:45:55,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-18 08:45:55,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 08:45:55,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 08:45:55,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:45:55,072 INFO L87 Difference]: Start difference. First operand 5739 states and 6917 transitions. Second operand 9 states. [2018-11-18 08:45:56,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:56,269 INFO L93 Difference]: Finished difference Result 12234 states and 14807 transitions. [2018-11-18 08:45:56,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 08:45:56,269 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 265 [2018-11-18 08:45:56,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:56,283 INFO L225 Difference]: With dead ends: 12234 [2018-11-18 08:45:56,283 INFO L226 Difference]: Without dead ends: 6647 [2018-11-18 08:45:56,292 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 271 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2018-11-18 08:45:56,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6647 states. [2018-11-18 08:45:56,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6647 to 6207. [2018-11-18 08:45:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6207 states. [2018-11-18 08:45:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6207 states to 6207 states and 7217 transitions. [2018-11-18 08:45:56,374 INFO L78 Accepts]: Start accepts. Automaton has 6207 states and 7217 transitions. Word has length 265 [2018-11-18 08:45:56,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:56,375 INFO L480 AbstractCegarLoop]: Abstraction has 6207 states and 7217 transitions. [2018-11-18 08:45:56,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 08:45:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 6207 states and 7217 transitions. [2018-11-18 08:45:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-18 08:45:56,384 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:56,384 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:45:56,384 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:56,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:56,385 INFO L82 PathProgramCache]: Analyzing trace with hash -142751087, now seen corresponding path program 1 times [2018-11-18 08:45:56,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:56,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:56,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:56,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:56,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 108 proven. 154 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 08:45:56,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:45:56,586 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/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 08:45:56,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:56,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:45:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 301 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 08:45:56,719 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:45:56,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-18 08:45:56,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 08:45:56,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 08:45:56,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-18 08:45:56,720 INFO L87 Difference]: Start difference. First operand 6207 states and 7217 transitions. Second operand 11 states. [2018-11-18 08:45:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:45:58,197 INFO L93 Difference]: Finished difference Result 17465 states and 20847 transitions. [2018-11-18 08:45:58,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 08:45:58,198 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 298 [2018-11-18 08:45:58,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:45:58,207 INFO L225 Difference]: With dead ends: 17465 [2018-11-18 08:45:58,207 INFO L226 Difference]: Without dead ends: 3146 [2018-11-18 08:45:58,233 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 308 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2018-11-18 08:45:58,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2018-11-18 08:45:58,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 2025. [2018-11-18 08:45:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2025 states. [2018-11-18 08:45:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 2230 transitions. [2018-11-18 08:45:58,275 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 2230 transitions. Word has length 298 [2018-11-18 08:45:58,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:45:58,276 INFO L480 AbstractCegarLoop]: Abstraction has 2025 states and 2230 transitions. [2018-11-18 08:45:58,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 08:45:58,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2230 transitions. [2018-11-18 08:45:58,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-18 08:45:58,281 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:45:58,282 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 08:45:58,282 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:45:58,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:45:58,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1784904567, now seen corresponding path program 1 times [2018-11-18 08:45:58,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:45:58,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:45:58,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:58,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:58,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:45:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 108 proven. 241 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 08:45:58,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:45:58,739 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:45:58,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:45:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:58,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:46:04,704 WARN L180 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2018-11-18 08:46:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 320 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 08:46:04,884 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:46:04,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2018-11-18 08:46:04,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 08:46:04,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 08:46:04,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-18 08:46:04,885 INFO L87 Difference]: Start difference. First operand 2025 states and 2230 transitions. Second operand 16 states. [2018-11-18 08:46:09,957 WARN L180 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2018-11-18 08:46:11,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:11,183 INFO L93 Difference]: Finished difference Result 5458 states and 6246 transitions. [2018-11-18 08:46:11,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-18 08:46:11,183 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 334 [2018-11-18 08:46:11,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:11,191 INFO L225 Difference]: With dead ends: 5458 [2018-11-18 08:46:11,191 INFO L226 Difference]: Without dead ends: 3583 [2018-11-18 08:46:11,195 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 350 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=342, Invalid=1380, Unknown=0, NotChecked=0, Total=1722 [2018-11-18 08:46:11,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3583 states. [2018-11-18 08:46:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3583 to 2919. [2018-11-18 08:46:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2919 states. [2018-11-18 08:46:11,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 3232 transitions. [2018-11-18 08:46:11,249 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 3232 transitions. Word has length 334 [2018-11-18 08:46:11,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:11,250 INFO L480 AbstractCegarLoop]: Abstraction has 2919 states and 3232 transitions. [2018-11-18 08:46:11,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 08:46:11,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 3232 transitions. [2018-11-18 08:46:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-11-18 08:46:11,257 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:46:11,257 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:46:11,258 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:46:11,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:11,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1047573034, now seen corresponding path program 1 times [2018-11-18 08:46:11,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:46:11,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:46:11,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:11,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:46:11,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:46:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:46:11,421 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-11-18 08:46:11,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:46:11,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:46:11,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:46:11,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:46:11,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:46:11,423 INFO L87 Difference]: Start difference. First operand 2919 states and 3232 transitions. Second operand 4 states. [2018-11-18 08:46:11,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:46:11,878 INFO L93 Difference]: Finished difference Result 6850 states and 7715 transitions. [2018-11-18 08:46:11,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:46:11,883 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 353 [2018-11-18 08:46:11,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:46:11,883 INFO L225 Difference]: With dead ends: 6850 [2018-11-18 08:46:11,883 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:46:11,890 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:46:11,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:46:11,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:46:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:46:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:46:11,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 353 [2018-11-18 08:46:11,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:46:11,891 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:46:11,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:46:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:46:11,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:46:11,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:46:12,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,340 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 239 [2018-11-18 08:46:12,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:46:12,623 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 239 [2018-11-18 08:46:13,259 WARN L180 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 47 [2018-11-18 08:46:14,077 WARN L180 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 65 [2018-11-18 08:46:14,824 WARN L180 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 65 [2018-11-18 08:46:14,826 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:46:14,826 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-18 08:46:14,826 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:46:14,826 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 08:46:14,826 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,826 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,826 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,826 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,826 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,826 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,826 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 08:46:14,827 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,828 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,829 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 08:46:14,830 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 08:46:14,831 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 08:46:14,831 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,831 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,831 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,831 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,831 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,831 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 08:46:14,831 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 08:46:14,831 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 08:46:14,831 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,832 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 08:46:14,833 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,834 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 08:46:14,835 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 08:46:14,835 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 08:46:14,835 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 08:46:14,835 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 08:46:14,835 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 08:46:14,835 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 08:46:14,835 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 08:46:14,835 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 08:46:14,835 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 08:46:14,835 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 08:46:14,836 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 08:46:14,837 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 08:46:14,837 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 08:46:14,837 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 08:46:14,837 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 08:46:14,837 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 08:46:14,837 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 08:46:14,837 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 08:46:14,837 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 08:46:14,837 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= |old(~a10~0)| ~a10~0)) (.cse5 (= ~a1~0 |old(~a1~0)|))) (let ((.cse1 (= 10 |old(~a19~0)|)) (.cse0 (and (= |old(~a19~0)| ~a19~0) .cse4 .cse5)) (.cse2 (< 206 |old(~a1~0)|)) (.cse3 (= 7 |old(~a19~0)|))) (and (or .cse0 (or .cse1 (not (= 2 |old(~a10~0)|))) .cse2) (or (not (= 1 |old(~a10~0)|)) .cse0) (or (= 3 |old(~a10~0)|) .cse0 .cse3 .cse1) (or .cse3 (< 8 |old(~a19~0)|) .cse0 (= 8 |old(~a19~0)|)) (or (not (= 9 |old(~a19~0)|)) (and (<= ~a19~0 |old(~a19~0)|) .cse4 (<= 9 ~a19~0) .cse5)) (or .cse0 .cse2 (or .cse3 (< 0 |old(~a10~0)|)))))) [2018-11-18 08:46:14,837 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 08:46:14,838 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,839 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,840 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-11-18 08:46:14,841 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 08:46:14,842 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 08:46:14,842 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 08:46:14,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:46:14,842 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (not (= ~a19~0 7)) (not (= ~a19~0 10)) (not (= ~a19~0 8)) (<= ~a10~0 0)) [2018-11-18 08:46:14,842 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:46:14,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:46:14,842 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (= 8 |old(~a19~0)|) (< 23 |old(~a1~0)|) (< 0 |old(~a10~0)|) (= 7 |old(~a19~0)|) (and (= ~a1~0 |old(~a1~0)|) (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0))) [2018-11-18 08:46:14,842 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 08:46:14,843 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (<= ~a1~0 206)) (.cse5 (not (= ~a10~0 3))) (.cse4 (= 2 ~a10~0)) (.cse0 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0))) (.cse7 (= 1 ~a10~0)) (.cse6 (<= ~a19~0 8)) (.cse1 (= 9 |old(~a19~0)|)) (.cse3 (not (= ~a19~0 7)))) (or (< |old(~a1~0)| 23) (and .cse0 .cse1 (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (< 23 |old(~a1~0)|) (and .cse2 .cse0 (and (and .cse3 (<= ~a10~0 2)) .cse1 (not .cse4))) (= 7 |old(~a19~0)|) (and (and .cse5 .cse3 (not (= ~a19~0 10)) .cse1) .cse0) (and .cse6 .cse7 .cse1) (and .cse2 .cse4 .cse6 .cse0 .cse1) (and .cse5 .cse3 .cse6 .cse1) (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (and (<= ~a1~0 23) .cse4 .cse6 .cse1) (= 10 |old(~a19~0)|) (and .cse0 .cse7 .cse1) (= 8 |old(~a19~0)|) (< 0 |old(~a10~0)|) (and (not (= ~a19~0 8)) .cse6 .cse1 .cse3))) [2018-11-18 08:46:14,843 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 08:46:14,843 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 08:46:14,843 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 08:46:14,843 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse2 (<= ~a1~0 206)) (.cse5 (not (= ~a10~0 3))) (.cse4 (= 2 ~a10~0)) (.cse0 (or (= 0 |old(~a10~0)|) (<= (+ |old(~a1~0)| 13) 0))) (.cse7 (= 1 ~a10~0)) (.cse6 (<= ~a19~0 8)) (.cse1 (= 9 |old(~a19~0)|)) (.cse3 (not (= ~a19~0 7)))) (or (< |old(~a1~0)| 23) (and .cse0 .cse1 (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (< 23 |old(~a1~0)|) (and .cse2 .cse0 (and (and .cse3 (<= ~a10~0 2)) .cse1 (not .cse4))) (= 7 |old(~a19~0)|) (and (and .cse5 .cse3 (not (= ~a19~0 10)) .cse1) .cse0) (and .cse6 .cse7 .cse1) (and .cse2 .cse4 .cse6 .cse0 .cse1) (and .cse5 .cse3 .cse6 .cse1) (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (and (<= ~a1~0 23) .cse4 .cse6 .cse1) (= 10 |old(~a19~0)|) (and .cse0 .cse7 .cse1) (= 8 |old(~a19~0)|) (< 0 |old(~a10~0)|) (and (not (= ~a19~0 8)) .cse6 .cse1 .cse3))) [2018-11-18 08:46:14,843 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 08:46:14,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:46:14 BoogieIcfgContainer [2018-11-18 08:46:14,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:46:14,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:46:14,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:46:14,858 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:46:14,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:45:44" (3/4) ... [2018-11-18 08:46:14,862 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:46:14,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:46:14,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 08:46:14,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:46:14,879 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 08:46:14,879 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 08:46:14,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\old(a1) < 23 || ((((0 == \old(a10) || \old(a1) + 13 <= 0) && 9 == \old(a19)) && a19 <= \old(a19)) && 9 <= a19)) || 23 < \old(a1)) || ((a1 <= 206 && (0 == \old(a10) || \old(a1) + 13 <= 0)) && ((!(a19 == 7) && a10 <= 2) && 9 == \old(a19)) && !(2 == a10))) || 7 == \old(a19)) || ((((!(a10 == 3) && !(a19 == 7)) && !(a19 == 10)) && 9 == \old(a19)) && (0 == \old(a10) || \old(a1) + 13 <= 0))) || ((a19 <= 8 && 1 == a10) && 9 == \old(a19))) || ((((a1 <= 206 && 2 == a10) && a19 <= 8) && (0 == \old(a10) || \old(a1) + 13 <= 0)) && 9 == \old(a19))) || (((!(a10 == 3) && !(a19 == 7)) && a19 <= 8) && 9 == \old(a19))) || ((\old(a19) == a19 && \old(a10) == a10) && a1 == \old(a1))) || (((a1 <= 23 && 2 == a10) && a19 <= 8) && 9 == \old(a19))) || 10 == \old(a19)) || (((0 == \old(a10) || \old(a1) + 13 <= 0) && 1 == a10) && 9 == \old(a19))) || 8 == \old(a19)) || 0 < \old(a10)) || (((!(a19 == 8) && a19 <= 8) && 9 == \old(a19)) && !(a19 == 7)) [2018-11-18 08:46:14,969 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ced5c0f6-c0a1-4ea6-8759-fd35c8133474/bin-2019/uautomizer/witness.graphml [2018-11-18 08:46:14,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:46:14,970 INFO L168 Benchmark]: Toolchain (without parser) took 31531.78 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 787.5 MB). Free memory was 951.1 MB in the beginning and 813.2 MB in the end (delta: 137.8 MB). Peak memory consumption was 925.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:14,970 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:46:14,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.35 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:14,971 INFO L168 Benchmark]: Boogie Preprocessor took 111.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -235.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:14,971 INFO L168 Benchmark]: RCFGBuilder took 852.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:14,982 INFO L168 Benchmark]: TraceAbstraction took 30110.61 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 625.5 MB). Free memory was 1.0 GB in the beginning and 815.6 MB in the end (delta: 230.0 MB). Peak memory consumption was 855.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:14,982 INFO L168 Benchmark]: Witness Printer took 111.24 ms. Allocated memory is still 1.8 GB. Free memory was 815.6 MB in the beginning and 813.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:14,983 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.35 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 916.2 MB in the beginning and 1.2 GB in the end (delta: -235.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 852.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30110.61 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 625.5 MB). Free memory was 1.0 GB in the beginning and 815.6 MB in the end (delta: 230.0 MB). Peak memory consumption was 855.5 MB. Max. memory is 11.5 GB. * Witness Printer took 111.24 ms. Allocated memory is still 1.8 GB. Free memory was 815.6 MB in the beginning and 813.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((((((((\old(a1) < 23 || ((((0 == \old(a10) || \old(a1) + 13 <= 0) && 9 == \old(a19)) && a19 <= \old(a19)) && 9 <= a19)) || 23 < \old(a1)) || ((a1 <= 206 && (0 == \old(a10) || \old(a1) + 13 <= 0)) && ((!(a19 == 7) && a10 <= 2) && 9 == \old(a19)) && !(2 == a10))) || 7 == \old(a19)) || ((((!(a10 == 3) && !(a19 == 7)) && !(a19 == 10)) && 9 == \old(a19)) && (0 == \old(a10) || \old(a1) + 13 <= 0))) || ((a19 <= 8 && 1 == a10) && 9 == \old(a19))) || ((((a1 <= 206 && 2 == a10) && a19 <= 8) && (0 == \old(a10) || \old(a1) + 13 <= 0)) && 9 == \old(a19))) || (((!(a10 == 3) && !(a19 == 7)) && a19 <= 8) && 9 == \old(a19))) || ((\old(a19) == a19 && \old(a10) == a10) && a1 == \old(a1))) || (((a1 <= 23 && 2 == a10) && a19 <= 8) && 9 == \old(a19))) || 10 == \old(a19)) || (((0 == \old(a10) || \old(a1) + 13 <= 0) && 1 == a10) && 9 == \old(a19))) || 8 == \old(a19)) || 0 < \old(a10)) || (((!(a19 == 8) && a19 <= 8) && 9 == \old(a19)) && !(a19 == 7)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 30.0s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 17.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 965 SDtfs, 10466 SDslu, 1675 SDs, 0 SdLazy, 19952 SolverSat, 3147 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1720 GetRequests, 1570 SyntacticMatches, 12 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6207occurred in iteration=9, 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: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 2709 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 214 PreInvPairs, 324 NumberOfFragments, 580 HoareAnnotationTreeSize, 214 FomulaSimplifications, 128618 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 32002 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 4058 NumberOfCodeBlocks, 4058 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4040 ConstructedInterpolants, 7 QuantifiedInterpolants, 3261841 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2631 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 2626/3204 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...