./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/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 bf623cbfa27d5f25c20ae418fc6508fd949965cd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 09:21:42,975 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:21:42,976 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:21:42,982 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:21:42,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:21:42,982 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:21:42,983 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:21:42,984 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:21:42,984 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:21:42,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:21:42,985 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:21:42,985 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:21:42,986 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:21:42,986 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:21:42,987 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:21:42,987 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:21:42,988 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:21:42,988 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:21:42,989 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:21:42,990 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:21:42,991 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:21:42,991 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:21:42,992 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:21:42,992 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:21:42,993 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:21:42,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:21:42,993 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:21:42,994 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:21:42,994 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:21:42,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:21:42,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:21:42,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:21:42,995 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:21:42,995 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:21:42,996 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:21:42,996 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:21:42,996 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 09:21:43,003 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:21:43,003 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:21:43,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 09:21:43,004 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 09:21:43,004 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:21:43,005 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:21:43,005 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:21:43,005 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:21:43,005 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:21:43,005 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:21:43,005 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:21:43,005 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:21:43,005 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 09:21:43,005 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 09:21:43,005 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 09:21:43,005 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:21:43,006 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:21:43,006 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:21:43,006 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 09:21:43,006 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:21:43,006 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:21:43,006 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 09:21:43,006 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 09:21:43,006 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 09:21:43,006 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:21:43,006 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 09:21:43,007 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 09:21:43,007 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:21:43,007 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 09:21:43,007 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 09:21:43,007 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_03465798-3d4e-4889-b436-05ca305e66ea/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 -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2018-12-08 09:21:43,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:21:43,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:21:43,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:21:43,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:21:43,033 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:21:43,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-12-08 09:21:43,069 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/data/e0420bbac/453c4831b81245ccb189bd3fe6083974/FLAG6bf9d2eda [2018-12-08 09:21:43,435 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:21:43,435 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-12-08 09:21:43,442 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/data/e0420bbac/453c4831b81245ccb189bd3fe6083974/FLAG6bf9d2eda [2018-12-08 09:21:43,798 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/data/e0420bbac/453c4831b81245ccb189bd3fe6083974 [2018-12-08 09:21:43,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:21:43,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:21:43,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:21:43,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:21:43,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:21:43,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:21:43" (1/1) ... [2018-12-08 09:21:43,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99c7103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:43, skipping insertion in model container [2018-12-08 09:21:43,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:21:43" (1/1) ... [2018-12-08 09:21:43,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:21:43,836 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:21:44,015 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:21:44,018 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:21:44,066 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:21:44,113 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:21:44,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44 WrapperNode [2018-12-08 09:21:44,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:21:44,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:21:44,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:21:44,114 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:21:44,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (1/1) ... [2018-12-08 09:21:44,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (1/1) ... [2018-12-08 09:21:44,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:21:44,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:21:44,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:21:44,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:21:44,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (1/1) ... [2018-12-08 09:21:44,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (1/1) ... [2018-12-08 09:21:44,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (1/1) ... [2018-12-08 09:21:44,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (1/1) ... [2018-12-08 09:21:44,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (1/1) ... [2018-12-08 09:21:44,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (1/1) ... [2018-12-08 09:21:44,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (1/1) ... [2018-12-08 09:21:44,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:21:44,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:21:44,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:21:44,188 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:21:44,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 09:21:44,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 09:21:44,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 09:21:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 09:21:44,232 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 09:21:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:21:44,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:21:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 09:21:44,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 09:21:44,841 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:21:44,841 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 09:21:44,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:21:44 BoogieIcfgContainer [2018-12-08 09:21:44,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:21:44,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 09:21:44,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 09:21:44,845 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 09:21:44,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 09:21:43" (1/3) ... [2018-12-08 09:21:44,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2271baf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:21:44, skipping insertion in model container [2018-12-08 09:21:44,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:21:44" (2/3) ... [2018-12-08 09:21:44,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2271baf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:21:44, skipping insertion in model container [2018-12-08 09:21:44,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:21:44" (3/3) ... [2018-12-08 09:21:44,848 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label14_true-unreach-call_false-termination.c [2018-12-08 09:21:44,856 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 09:21:44,862 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 09:21:44,874 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 09:21:44,900 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:21:44,901 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 09:21:44,901 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 09:21:44,901 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 09:21:44,901 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:21:44,901 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:21:44,901 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 09:21:44,902 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:21:44,902 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 09:21:44,921 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-08 09:21:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 09:21:44,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:21:44,931 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:21:44,933 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:21:44,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:21:44,938 INFO L82 PathProgramCache]: Analyzing trace with hash -871643495, now seen corresponding path program 1 times [2018-12-08 09:21:44,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:21:44,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:21:44,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:44,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:21:44,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:21:45,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:21:45,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:21:45,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 09:21:45,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 09:21:45,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:21:45,224 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-08 09:21:45,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:21:45,673 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-12-08 09:21:45,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 09:21:45,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2018-12-08 09:21:45,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:21:45,682 INFO L225 Difference]: With dead ends: 618 [2018-12-08 09:21:45,682 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 09:21:45,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:21:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 09:21:45,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-08 09:21:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-08 09:21:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-12-08 09:21:45,721 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 123 [2018-12-08 09:21:45,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:21:45,722 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-12-08 09:21:45,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 09:21:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-12-08 09:21:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 09:21:45,724 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:21:45,724 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:21:45,725 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:21:45,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:21:45,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1344572258, now seen corresponding path program 1 times [2018-12-08 09:21:45,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:21:45,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:21:45,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:45,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:21:45,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:21:45,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:21:45,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:21:45,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:21:45,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:21:45,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:21:45,881 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 5 states. [2018-12-08 09:21:46,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:21:46,203 INFO L93 Difference]: Finished difference Result 721 states and 1089 transitions. [2018-12-08 09:21:46,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 09:21:46,204 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-12-08 09:21:46,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:21:46,206 INFO L225 Difference]: With dead ends: 721 [2018-12-08 09:21:46,206 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 09:21:46,207 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:21:46,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 09:21:46,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-08 09:21:46,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-08 09:21:46,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 461 transitions. [2018-12-08 09:21:46,220 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 461 transitions. Word has length 131 [2018-12-08 09:21:46,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:21:46,221 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 461 transitions. [2018-12-08 09:21:46,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:21:46,221 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 461 transitions. [2018-12-08 09:21:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 09:21:46,222 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:21:46,223 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:21:46,223 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:21:46,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:21:46,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1612994454, now seen corresponding path program 1 times [2018-12-08 09:21:46,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:21:46,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:21:46,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:46,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:21:46,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:21:46,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:21:46,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:21:46,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:21:46,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:21:46,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:21:46,431 INFO L87 Difference]: Start difference. First operand 320 states and 461 transitions. Second operand 5 states. [2018-12-08 09:21:46,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:21:46,753 INFO L93 Difference]: Finished difference Result 717 states and 1075 transitions. [2018-12-08 09:21:46,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 09:21:46,753 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 137 [2018-12-08 09:21:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:21:46,754 INFO L225 Difference]: With dead ends: 717 [2018-12-08 09:21:46,754 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 09:21:46,755 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:21:46,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 09:21:46,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-08 09:21:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-08 09:21:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 455 transitions. [2018-12-08 09:21:46,765 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 455 transitions. Word has length 137 [2018-12-08 09:21:46,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:21:46,765 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 455 transitions. [2018-12-08 09:21:46,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:21:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 455 transitions. [2018-12-08 09:21:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 09:21:46,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:21:46,766 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:21:46,766 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:21:46,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:21:46,766 INFO L82 PathProgramCache]: Analyzing trace with hash -295293823, now seen corresponding path program 1 times [2018-12-08 09:21:46,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:21:46,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:21:46,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:46,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:21:46,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:46,832 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:21:46,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:21:46,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:21:46,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:21:46,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:21:46,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:21:46,834 INFO L87 Difference]: Start difference. First operand 320 states and 455 transitions. Second operand 6 states. [2018-12-08 09:21:47,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:21:47,268 INFO L93 Difference]: Finished difference Result 951 states and 1383 transitions. [2018-12-08 09:21:47,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:21:47,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-12-08 09:21:47,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:21:47,271 INFO L225 Difference]: With dead ends: 951 [2018-12-08 09:21:47,271 INFO L226 Difference]: Without dead ends: 637 [2018-12-08 09:21:47,272 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 09:21:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-12-08 09:21:47,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 626. [2018-12-08 09:21:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-08 09:21:47,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 871 transitions. [2018-12-08 09:21:47,291 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 871 transitions. Word has length 145 [2018-12-08 09:21:47,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:21:47,292 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 871 transitions. [2018-12-08 09:21:47,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:21:47,292 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 871 transitions. [2018-12-08 09:21:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 09:21:47,293 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:21:47,293 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:21:47,294 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:21:47,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:21:47,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1344349755, now seen corresponding path program 1 times [2018-12-08 09:21:47,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:21:47,294 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:21:47,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:47,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:21:47,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:21:47,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:21:47,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:21:47,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:21:47,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:21:47,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:21:47,424 INFO L87 Difference]: Start difference. First operand 626 states and 871 transitions. Second operand 5 states. [2018-12-08 09:21:47,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:21:47,761 INFO L93 Difference]: Finished difference Result 1330 states and 1903 transitions. [2018-12-08 09:21:47,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 09:21:47,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2018-12-08 09:21:47,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:21:47,764 INFO L225 Difference]: With dead ends: 1330 [2018-12-08 09:21:47,764 INFO L226 Difference]: Without dead ends: 626 [2018-12-08 09:21:47,765 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:21:47,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-12-08 09:21:47,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-12-08 09:21:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-08 09:21:47,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 859 transitions. [2018-12-08 09:21:47,780 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 859 transitions. Word has length 147 [2018-12-08 09:21:47,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:21:47,780 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 859 transitions. [2018-12-08 09:21:47,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:21:47,781 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 859 transitions. [2018-12-08 09:21:47,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 09:21:47,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:21:47,782 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:21:47,782 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:21:47,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:21:47,782 INFO L82 PathProgramCache]: Analyzing trace with hash -2124265719, now seen corresponding path program 1 times [2018-12-08 09:21:47,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:21:47,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:21:47,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:47,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:21:47,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:21:47,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:21:47,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:21:47,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:21:47,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:21:47,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:21:47,917 INFO L87 Difference]: Start difference. First operand 626 states and 859 transitions. Second operand 5 states. [2018-12-08 09:21:48,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:21:48,231 INFO L93 Difference]: Finished difference Result 1332 states and 1878 transitions. [2018-12-08 09:21:48,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 09:21:48,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-12-08 09:21:48,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:21:48,234 INFO L225 Difference]: With dead ends: 1332 [2018-12-08 09:21:48,234 INFO L226 Difference]: Without dead ends: 626 [2018-12-08 09:21:48,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:21:48,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-12-08 09:21:48,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-12-08 09:21:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-08 09:21:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 843 transitions. [2018-12-08 09:21:48,250 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 843 transitions. Word has length 149 [2018-12-08 09:21:48,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:21:48,250 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 843 transitions. [2018-12-08 09:21:48,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:21:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 843 transitions. [2018-12-08 09:21:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 09:21:48,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:21:48,252 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:21:48,252 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:21:48,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:21:48,252 INFO L82 PathProgramCache]: Analyzing trace with hash 566845841, now seen corresponding path program 1 times [2018-12-08 09:21:48,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:21:48,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:21:48,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:48,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:21:48,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:21:48,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:21:48,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:21:48,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:21:48,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:21:48,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:21:48,303 INFO L87 Difference]: Start difference. First operand 626 states and 843 transitions. Second operand 6 states. [2018-12-08 09:21:48,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:21:48,690 INFO L93 Difference]: Finished difference Result 1858 states and 2601 transitions. [2018-12-08 09:21:48,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:21:48,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-12-08 09:21:48,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:21:48,693 INFO L225 Difference]: With dead ends: 1858 [2018-12-08 09:21:48,693 INFO L226 Difference]: Without dead ends: 1238 [2018-12-08 09:21:48,694 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 09:21:48,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-12-08 09:21:48,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1218. [2018-12-08 09:21:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2018-12-08 09:21:48,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1635 transitions. [2018-12-08 09:21:48,713 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1635 transitions. Word has length 153 [2018-12-08 09:21:48,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:21:48,713 INFO L480 AbstractCegarLoop]: Abstraction has 1218 states and 1635 transitions. [2018-12-08 09:21:48,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:21:48,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1635 transitions. [2018-12-08 09:21:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 09:21:48,715 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:21:48,716 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 09:21:48,716 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:21:48,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:21:48,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1114474735, now seen corresponding path program 1 times [2018-12-08 09:21:48,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:21:48,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:21:48,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:48,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:21:48,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:21:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:21:48,758 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 09:21:48,758 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 09:21:48,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:21:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:21:48,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:21:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:21:48,901 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 09:21:48,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-08 09:21:48,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 09:21:48,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 09:21:48,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 09:21:48,902 INFO L87 Difference]: Start difference. First operand 1218 states and 1635 transitions. Second operand 9 states. [2018-12-08 09:21:50,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:21:50,399 INFO L93 Difference]: Finished difference Result 3635 states and 5418 transitions. [2018-12-08 09:21:50,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-08 09:21:50,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 187 [2018-12-08 09:21:50,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:21:50,400 INFO L225 Difference]: With dead ends: 3635 [2018-12-08 09:21:50,400 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 09:21:50,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=271, Invalid=1211, Unknown=0, NotChecked=0, Total=1482 [2018-12-08 09:21:50,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 09:21:50,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 09:21:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 09:21:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 09:21:50,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2018-12-08 09:21:50,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:21:50,406 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:21:50,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 09:21:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 09:21:50,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 09:21:50,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 09:21:50,796 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2018-12-08 09:21:50,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 09:21:50,865 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-08 09:21:50,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 09:21:50,865 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,866 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,867 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-08 09:21:50,868 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-08 09:21:50,869 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 523) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,870 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-08 09:21:50,871 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,872 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse9 (= 1 |old(~a11~0)|)) (.cse6 (= 1 |old(~a19~0)|)) (.cse8 (= 1 |old(~a25~0)|)) (.cse14 (= |old(~a28~0)| ~a28~0)) (.cse15 (= ~a19~0 |old(~a19~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|)) (.cse13 (= 1 ~a11~0))) (let ((.cse4 (not (= 8 |old(~a17~0)|))) (.cse0 (and .cse13 (= 8 ~a17~0))) (.cse11 (and .cse14 .cse15 .cse16)) (.cse7 (not (= 7 |old(~a28~0)|))) (.cse2 (not .cse8)) (.cse3 (not .cse6)) (.cse5 (not .cse9)) (.cse12 (= 9 |old(~a28~0)|)) (.cse1 (not (= 1 ~a21~0))) (.cse10 (not (= ~a11~0 1)))) (and (or .cse0 .cse1 (not (= 10 |old(~a28~0)|)) .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse7 .cse4 .cse0 .cse5 .cse8) (or .cse1 .cse9 .cse3 .cse10) (or .cse1 .cse2 .cse11) (or .cse1 .cse2 .cse3 .cse4 .cse0 (not .cse12) .cse5) (or .cse1 .cse11 .cse12) (or .cse1 .cse11 .cse3) (or .cse1 .cse7 .cse2 .cse3 .cse5 (and .cse13 (= 7 ~a17~0)) (not (= 7 |old(~a17~0)|))) (or .cse1 .cse9 .cse10 .cse12) (or .cse1 .cse9 (and .cse14 .cse15 .cse10 .cse16) .cse8)))) [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-08 09:21:50,873 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,874 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-08 09:21:50,875 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-08 09:21:50,876 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-08 09:21:50,876 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-08 09:21:50,876 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-08 09:21:50,876 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 09:21:50,876 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a25~0 1)) (= 1 ~a19~0) (= ~a21~0 1) (not (= ~a11~0 1)) (not (= ~a28~0 9))) [2018-12-08 09:21:50,876 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 09:21:50,876 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 09:21:50,876 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (= 1 |old(~a11~0)|) (and (= |old(~a28~0)| ~a28~0) (= ~a19~0 |old(~a19~0)|) (not (= ~a11~0 1)) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (= 9 |old(~a28~0)|) (= 1 |old(~a25~0)|)) [2018-12-08 09:21:50,876 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (or (not (= 1 ~a21~0)) (= ~a25~0 1) (= 1 ~a19~0) (= 9 |old(~a28~0)|) (not (= ~a28~0 9)) (not (= ~a11~0 1)) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (not (= 1 |old(~a19~0)|))) [2018-12-08 09:21:50,876 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-08 09:21:50,876 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-08 09:21:50,877 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (or (not (= 1 ~a21~0)) (= ~a25~0 1) (= 1 ~a19~0) (= 9 |old(~a28~0)|) (not (= ~a28~0 9)) (not (= ~a11~0 1)) (= 1 |old(~a25~0)|) (= 1 |old(~a11~0)|) (not (= 1 |old(~a19~0)|))) [2018-12-08 09:21:50,877 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-08 09:21:50,877 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-08 09:21:50,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 09:21:50 BoogieIcfgContainer [2018-12-08 09:21:50,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 09:21:50,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:21:50,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:21:50,890 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:21:50,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:21:44" (3/4) ... [2018-12-08 09:21:50,893 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 09:21:50,899 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 09:21:50,899 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 09:21:50,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 09:21:50,908 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 09:21:50,909 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 09:21:50,933 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == a21) || a25 == 1) || 1 == a19) || 9 == \old(a28)) || !(a28 == 9)) || !(a11 == 1)) || 1 == \old(a25)) || 1 == \old(a11)) || !(1 == \old(a19)) [2018-12-08 09:21:50,981 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_03465798-3d4e-4889-b436-05ca305e66ea/bin-2019/uautomizer/witness.graphml [2018-12-08 09:21:50,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:21:50,982 INFO L168 Benchmark]: Toolchain (without parser) took 7180.07 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 311.4 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -204.1 MB). Peak memory consumption was 107.3 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:50,982 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:21:50,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:50,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:50,983 INFO L168 Benchmark]: Boogie Preprocessor took 50.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:50,983 INFO L168 Benchmark]: RCFGBuilder took 653.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 991.7 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:50,983 INFO L168 Benchmark]: TraceAbstraction took 6047.03 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 201.9 MB). Free memory was 991.7 MB in the beginning and 1.2 GB in the end (delta: -175.5 MB). Peak memory consumption was 287.8 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:50,983 INFO L168 Benchmark]: Witness Printer took 92.11 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-12-08 09:21:50,984 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 944.1 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 653.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 991.7 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6047.03 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 201.9 MB). Free memory was 991.7 MB in the beginning and 1.2 GB in the end (delta: -175.5 MB). Peak memory consumption was 287.8 MB. Max. memory is 11.5 GB. * Witness Printer took 92.11 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 523]: 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: 606]: Loop Invariant Derived loop invariant: (((((((!(1 == a21) || a25 == 1) || 1 == a19) || 9 == \old(a28)) || !(a28 == 9)) || !(a11 == 1)) || 1 == \old(a25)) || 1 == \old(a11)) || !(1 == \old(a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 5.9s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 513 SDtfs, 4246 SDslu, 524 SDs, 0 SdLazy, 6283 SolverSat, 1141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 293 GetRequests, 223 SyntacticMatches, 6 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1218occurred in iteration=7, 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 31 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 81 PreInvPairs, 177 NumberOfFragments, 365 HoareAnnotationTreeSize, 81 FomulaSimplifications, 3066 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1008 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1359 NumberOfCodeBlocks, 1359 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1350 ConstructedInterpolants, 0 QuantifiedInterpolants, 1227872 SizeOfPredicates, 0 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 278/282 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...