./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/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 cc1563f4697cf21aca476a1aac04fcd8ee81163f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:49:24,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:49:24,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:49:24,216 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:49:24,216 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:49:24,217 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:49:24,218 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:49:24,219 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:49:24,220 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:49:24,221 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:49:24,222 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:49:24,222 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:49:24,223 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:49:24,223 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:49:24,224 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:49:24,225 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:49:24,225 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:49:24,226 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:49:24,227 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:49:24,228 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:49:24,229 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:49:24,230 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:49:24,232 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:49:24,232 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:49:24,232 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:49:24,233 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:49:24,233 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:49:24,234 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:49:24,234 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:49:24,235 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:49:24,235 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:49:24,235 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:49:24,235 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:49:24,236 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:49:24,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:49:24,236 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:49:24,237 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 07:49:24,244 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:49:24,244 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:49:24,245 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:49:24,245 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:49:24,246 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:49:24,246 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:49:24,246 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:49:24,246 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:49:24,246 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:49:24,247 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:49:24,247 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:49:24,247 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:49:24,247 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:49:24,247 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:49:24,247 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:49:24,247 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:49:24,248 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:49:24,248 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:49:24,248 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:49:24,248 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:49:24,248 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:49:24,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:49:24,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:49:24,249 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:49:24,249 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:49:24,249 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:49:24,249 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:49:24,249 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:49:24,249 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:49:24,249 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_4d838e30-184f-4027-941a-b750b51728e7/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 -> cc1563f4697cf21aca476a1aac04fcd8ee81163f [2018-11-10 07:49:24,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:49:24,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:49:24,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:49:24,289 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:49:24,289 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:49:24,290 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-10 07:49:24,337 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/data/30203840b/95b2c61e0b1b49aaa9c7513b5a8e40ee/FLAGed873d12b [2018-11-10 07:49:24,760 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:49:24,761 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-10 07:49:24,771 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/data/30203840b/95b2c61e0b1b49aaa9c7513b5a8e40ee/FLAGed873d12b [2018-11-10 07:49:24,784 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/data/30203840b/95b2c61e0b1b49aaa9c7513b5a8e40ee [2018-11-10 07:49:24,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:49:24,787 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:49:24,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:49:24,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:49:24,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:49:24,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:49:24" (1/1) ... [2018-11-10 07:49:24,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce791db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:24, skipping insertion in model container [2018-11-10 07:49:24,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:49:24" (1/1) ... [2018-11-10 07:49:24,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:49:24,836 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:49:25,091 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:49:25,095 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:49:25,165 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:49:25,178 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:49:25,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:25 WrapperNode [2018-11-10 07:49:25,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:49:25,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:49:25,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:49:25,179 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:49:25,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:25" (1/1) ... [2018-11-10 07:49:25,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:25" (1/1) ... [2018-11-10 07:49:25,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:25" (1/1) ... [2018-11-10 07:49:25,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:25" (1/1) ... [2018-11-10 07:49:25,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:25" (1/1) ... [2018-11-10 07:49:25,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:25" (1/1) ... [2018-11-10 07:49:25,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:25" (1/1) ... [2018-11-10 07:49:25,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:49:25,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:49:25,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:49:25,299 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:49:25,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:49:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:49:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:49:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 07:49:25,353 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:49:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 07:49:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:49:25,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 07:49:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 07:49:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:49:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:49:25,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:49:26,199 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:49:26,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:49:26 BoogieIcfgContainer [2018-11-10 07:49:26,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:49:26,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:49:26,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:49:26,206 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:49:26,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:49:24" (1/3) ... [2018-11-10 07:49:26,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70de586c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:49:26, skipping insertion in model container [2018-11-10 07:49:26,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:49:25" (2/3) ... [2018-11-10 07:49:26,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70de586c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:49:26, skipping insertion in model container [2018-11-10 07:49:26,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:49:26" (3/3) ... [2018-11-10 07:49:26,209 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label30_true-unreach-call_false-termination.c [2018-11-10 07:49:26,218 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:49:26,225 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:49:26,239 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:49:26,269 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:49:26,269 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:49:26,270 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:49:26,270 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:49:26,270 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:49:26,270 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:49:26,270 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:49:26,270 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:49:26,270 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:49:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-10 07:49:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 07:49:26,300 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:49:26,301 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:49:26,303 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:49:26,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:49:26,309 INFO L82 PathProgramCache]: Analyzing trace with hash 2071841880, now seen corresponding path program 1 times [2018-11-10 07:49:26,310 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:49:26,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:49:26,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:26,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:26,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:26,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:49:26,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:49:26,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:49:26,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:49:26,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:49:26,708 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 4 states. [2018-11-10 07:49:27,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:49:27,523 INFO L93 Difference]: Finished difference Result 702 states and 1227 transitions. [2018-11-10 07:49:27,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:49:27,527 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2018-11-10 07:49:27,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:49:27,541 INFO L225 Difference]: With dead ends: 702 [2018-11-10 07:49:27,541 INFO L226 Difference]: Without dead ends: 488 [2018-11-10 07:49:27,545 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:49:27,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-11-10 07:49:27,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 340. [2018-11-10 07:49:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-10 07:49:27,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-11-10 07:49:27,597 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 132 [2018-11-10 07:49:27,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:49:27,598 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-11-10 07:49:27,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:49:27,598 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-11-10 07:49:27,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 07:49:27,601 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:49:27,602 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:49:27,602 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:49:27,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:49:27,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1746853559, now seen corresponding path program 1 times [2018-11-10 07:49:27,603 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:49:27,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:49:27,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:27,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:27,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:27,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:49:27,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 07:49:27,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:49:27,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:49:27,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:49:27,741 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 6 states. [2018-11-10 07:49:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:49:28,319 INFO L93 Difference]: Finished difference Result 882 states and 1513 transitions. [2018-11-10 07:49:28,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:49:28,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-10 07:49:28,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:49:28,324 INFO L225 Difference]: With dead ends: 882 [2018-11-10 07:49:28,324 INFO L226 Difference]: Without dead ends: 548 [2018-11-10 07:49:28,326 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:49:28,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-11-10 07:49:28,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 531. [2018-11-10 07:49:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-11-10 07:49:28,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 836 transitions. [2018-11-10 07:49:28,347 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 836 transitions. Word has length 143 [2018-11-10 07:49:28,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:49:28,347 INFO L481 AbstractCegarLoop]: Abstraction has 531 states and 836 transitions. [2018-11-10 07:49:28,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:49:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 836 transitions. [2018-11-10 07:49:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 07:49:28,350 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:49:28,351 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:49:28,351 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:49:28,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:49:28,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1493139701, now seen corresponding path program 1 times [2018-11-10 07:49:28,351 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:49:28,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:49:28,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:28,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:28,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:28,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:49:28,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 07:49:28,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 07:49:28,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 07:49:28,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:49:28,582 INFO L87 Difference]: Start difference. First operand 531 states and 836 transitions. Second operand 5 states. [2018-11-10 07:49:29,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:49:29,143 INFO L93 Difference]: Finished difference Result 1192 states and 1911 transitions. [2018-11-10 07:49:29,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:49:29,145 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-11-10 07:49:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:49:29,147 INFO L225 Difference]: With dead ends: 1192 [2018-11-10 07:49:29,147 INFO L226 Difference]: Without dead ends: 528 [2018-11-10 07:49:29,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:49:29,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-11-10 07:49:29,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2018-11-10 07:49:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2018-11-10 07:49:29,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 782 transitions. [2018-11-10 07:49:29,166 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 782 transitions. Word has length 144 [2018-11-10 07:49:29,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:49:29,166 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 782 transitions. [2018-11-10 07:49:29,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 07:49:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 782 transitions. [2018-11-10 07:49:29,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 07:49:29,169 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:49:29,169 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:49:29,169 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:49:29,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:49:29,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1935386109, now seen corresponding path program 1 times [2018-11-10 07:49:29,170 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:49:29,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:49:29,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:29,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:29,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:29,332 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:29,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:49:29,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:49:29,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:49:29,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:49:29,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:49:29,333 INFO L87 Difference]: Start difference. First operand 528 states and 782 transitions. Second operand 3 states. [2018-11-10 07:49:29,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:49:29,780 INFO L93 Difference]: Finished difference Result 1493 states and 2284 transitions. [2018-11-10 07:49:29,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:49:29,781 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-10 07:49:29,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:49:29,787 INFO L225 Difference]: With dead ends: 1493 [2018-11-10 07:49:29,789 INFO L226 Difference]: Without dead ends: 971 [2018-11-10 07:49:29,791 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:49:29,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-11-10 07:49:29,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 971. [2018-11-10 07:49:29,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2018-11-10 07:49:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1393 transitions. [2018-11-10 07:49:29,818 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1393 transitions. Word has length 148 [2018-11-10 07:49:29,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:49:29,819 INFO L481 AbstractCegarLoop]: Abstraction has 971 states and 1393 transitions. [2018-11-10 07:49:29,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:49:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1393 transitions. [2018-11-10 07:49:29,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 07:49:29,823 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:49:29,824 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:49:29,824 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:49:29,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:49:29,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1185891811, now seen corresponding path program 1 times [2018-11-10 07:49:29,824 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:49:29,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:49:29,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:29,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:29,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:29,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:49:29,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 07:49:29,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:49:29,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:49:29,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:49:29,909 INFO L87 Difference]: Start difference. First operand 971 states and 1393 transitions. Second operand 6 states. [2018-11-10 07:49:30,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:49:30,487 INFO L93 Difference]: Finished difference Result 2867 states and 4269 transitions. [2018-11-10 07:49:30,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:49:30,487 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-11-10 07:49:30,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:49:30,494 INFO L225 Difference]: With dead ends: 2867 [2018-11-10 07:49:30,494 INFO L226 Difference]: Without dead ends: 1902 [2018-11-10 07:49:30,498 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:49:30,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2018-11-10 07:49:30,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1873. [2018-11-10 07:49:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1873 states. [2018-11-10 07:49:30,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1873 states and 2527 transitions. [2018-11-10 07:49:30,561 INFO L78 Accepts]: Start accepts. Automaton has 1873 states and 2527 transitions. Word has length 164 [2018-11-10 07:49:30,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:49:30,561 INFO L481 AbstractCegarLoop]: Abstraction has 1873 states and 2527 transitions. [2018-11-10 07:49:30,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:49:30,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2527 transitions. [2018-11-10 07:49:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 07:49:30,566 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:49:30,566 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:49:30,566 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:49:30,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:49:30,566 INFO L82 PathProgramCache]: Analyzing trace with hash -151226562, now seen corresponding path program 1 times [2018-11-10 07:49:30,567 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:49:30,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:49:30,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:30,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:30,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:30,627 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:30,627 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:49:30,627 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 07:49:30,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:30,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:49:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:30,791 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:49:30,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 07:49:30,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 07:49:30,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 07:49:30,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:49:30,793 INFO L87 Difference]: Start difference. First operand 1873 states and 2527 transitions. Second operand 9 states. [2018-11-10 07:49:31,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:49:31,911 INFO L93 Difference]: Finished difference Result 5978 states and 8414 transitions. [2018-11-10 07:49:31,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 07:49:31,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2018-11-10 07:49:31,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:49:31,925 INFO L225 Difference]: With dead ends: 5978 [2018-11-10 07:49:31,925 INFO L226 Difference]: Without dead ends: 4111 [2018-11-10 07:49:31,931 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2018-11-10 07:49:31,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4111 states. [2018-11-10 07:49:32,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4111 to 3747. [2018-11-10 07:49:32,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3747 states. [2018-11-10 07:49:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 4948 transitions. [2018-11-10 07:49:32,011 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 4948 transitions. Word has length 177 [2018-11-10 07:49:32,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:49:32,012 INFO L481 AbstractCegarLoop]: Abstraction has 3747 states and 4948 transitions. [2018-11-10 07:49:32,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 07:49:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 4948 transitions. [2018-11-10 07:49:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 07:49:32,018 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:49:32,019 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:49:32,019 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:49:32,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:49:32,019 INFO L82 PathProgramCache]: Analyzing trace with hash 561801102, now seen corresponding path program 1 times [2018-11-10 07:49:32,019 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:49:32,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:49:32,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:32,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:32,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:49:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:49:32,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:49:32,115 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 07:49:32,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:49:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:49:32,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:49:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 07:49:32,257 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 07:49:32,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-10 07:49:32,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 07:49:32,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 07:49:32,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-10 07:49:32,258 INFO L87 Difference]: Start difference. First operand 3747 states and 4948 transitions. Second operand 8 states. [2018-11-10 07:49:33,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:49:33,587 INFO L93 Difference]: Finished difference Result 7936 states and 10704 transitions. [2018-11-10 07:49:33,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-10 07:49:33,587 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2018-11-10 07:49:33,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:49:33,588 INFO L225 Difference]: With dead ends: 7936 [2018-11-10 07:49:33,588 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:49:33,601 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2018-11-10 07:49:33,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:49:33,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:49:33,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:49:33,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:49:33,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2018-11-10 07:49:33,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:49:33,602 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:49:33,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 07:49:33,602 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:49:33,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:49:33,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:49:33,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:33,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:49:34,081 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2018-11-10 07:49:34,257 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2018-11-10 07:49:34,428 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 53 [2018-11-10 07:49:34,430 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:49:34,430 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|) (<= ~a7~0 |old(~a7~0)|)) [2018-11-10 07:49:34,430 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:49:34,430 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-10 07:49:34,430 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-10 07:49:34,430 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,430 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-10 07:49:34,431 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-10 07:49:34,432 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-10 07:49:34,433 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-10 07:49:34,433 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-10 07:49:34,433 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-10 07:49:34,433 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-10 07:49:34,433 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-10 07:49:34,433 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-10 07:49:34,433 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-10 07:49:34,433 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2018-11-10 07:49:34,433 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-10 07:49:34,436 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-10 07:49:34,436 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-10 07:49:34,436 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-10 07:49:34,436 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-10 07:49:34,436 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,436 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,437 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,437 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,437 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,437 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-10 07:49:34,437 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-10 07:49:34,437 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-10 07:49:34,437 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-10 07:49:34,437 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-10 07:49:34,437 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-10 07:49:34,437 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-10 07:49:34,438 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,439 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-10 07:49:34,440 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,441 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,441 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,441 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,441 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,441 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,441 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,441 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-10 07:49:34,441 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-10 07:49:34,441 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-10 07:49:34,441 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-10 07:49:34,442 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,443 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,443 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,443 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,443 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,443 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-10 07:49:34,443 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-10 07:49:34,443 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-10 07:49:34,443 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-10 07:49:34,443 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-10 07:49:34,443 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-10 07:49:34,444 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-10 07:49:34,444 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-10 07:49:34,444 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,444 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,444 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,444 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,444 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,444 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-10 07:49:34,444 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-10 07:49:34,444 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-10 07:49:34,445 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-10 07:49:34,445 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-10 07:49:34,445 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-10 07:49:34,445 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-10 07:49:34,445 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-10 07:49:34,445 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-10 07:49:34,445 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-10 07:49:34,446 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse9 (= |old(~a8~0)| ~a8~0)) (.cse10 (= ~a17~0 |old(~a17~0)|)) (.cse7 (= |old(~a16~0)| ~a16~0)) (.cse14 (= 1 ~a17~0)) (.cse12 (= ~a20~0 |old(~a20~0)|)) (.cse16 (= ~a21~0 |old(~a21~0)|)) (.cse8 (<= ~a7~0 |old(~a7~0)|)) (.cse17 (= 1 |old(~a17~0)|))) (let ((.cse1 (not (= 1 |old(~a21~0)|))) (.cse11 (= 1 ~a21~0)) (.cse5 (= 13 |old(~a8~0)|)) (.cse13 (not .cse17)) (.cse0 (= 6 |old(~a16~0)|)) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse2 (and .cse9 .cse10 .cse7 (or (not (= ~a7~0 ~a17~0)) (not .cse14)) .cse12 .cse16 .cse8)) (.cse3 (and (= |old(~a7~0)| |old(~a17~0)|) .cse17)) (.cse4 (not (= 8 ~a12~0))) (.cse15 (< 0 |old(~a21~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse2) (or .cse1 .cse6 .cse4 (< 0 |old(~a7~0)|) (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) .cse13) (or .cse1 .cse6 (not (= 4 |old(~a16~0)|)) (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse7 .cse11 .cse14) .cse4 (not (= 1 |old(~a7~0)|)) (not .cse5) .cse13) (or .cse0 .cse4 .cse15 (and .cse9 .cse10 .cse7 .cse12 .cse16 .cse8)) (or .cse6 .cse2 .cse3 .cse4 .cse15)))) [2018-11-10 07:49:34,446 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-10 07:49:34,446 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,446 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,446 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,446 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,446 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,446 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-10 07:49:34,446 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,446 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-10 07:49:34,447 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-10 07:49:34,447 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-10 07:49:34,447 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-10 07:49:34,447 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-10 07:49:34,447 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-10 07:49:34,447 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-10 07:49:34,447 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-10 07:49:34,447 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-10 07:49:34,447 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-10 07:49:34,447 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-10 07:49:34,448 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,449 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-10 07:49:34,450 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-10 07:49:34,451 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-10 07:49:34,451 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-10 07:49:34,451 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-10 07:49:34,451 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:49:34,451 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (= ~a12~0 8) (<= ~a7~0 0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-11-10 07:49:34,451 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:49:34,451 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:49:34,451 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (not (= 8 ~a12~0)) (and (= |old(~a16~0)| ~a16~0) (<= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-10 07:49:34,451 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-10 07:49:34,452 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (= 1 ~a17~0))) (let ((.cse0 (<= ~a21~0 0)) (.cse3 (not (= ~a16~0 6))) (.cse2 (or (not (= ~a7~0 ~a17~0)) (not .cse5))) (.cse1 (= 1 ~a20~0)) (.cse4 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (= 8 ~a12~0)) (and .cse0 .cse3) (not (= 1 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (and .cse2 .cse4 (not (= ~a8~0 13))) (not (= 1 |old(~a17~0)|)) (and .cse1 (= 13 ~a8~0) (= 4 ~a16~0) .cse4) (and .cse3 .cse2 .cse4) (and .cse1 .cse4 (<= ~a7~0 0) .cse5)))) [2018-11-10 07:49:34,452 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-10 07:49:34,452 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-10 07:49:34,452 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-10 07:49:34,452 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse5 (= 1 ~a17~0))) (let ((.cse0 (<= ~a21~0 0)) (.cse3 (not (= ~a16~0 6))) (.cse2 (or (not (= ~a7~0 ~a17~0)) (not .cse5))) (.cse1 (= 1 ~a20~0)) (.cse4 (= 1 ~a21~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (not (= 8 ~a12~0)) (and .cse0 .cse3) (not (= 1 |old(~a20~0)|)) (< 0 |old(~a7~0)|) (= 6 |old(~a16~0)|) (= 13 |old(~a8~0)|) (and .cse2 .cse4 (not (= ~a8~0 13))) (not (= 1 |old(~a17~0)|)) (and .cse1 (= 13 ~a8~0) (= 4 ~a16~0) .cse4) (and .cse3 .cse2 .cse4) (and .cse1 .cse4 (<= ~a7~0 0) .cse5)))) [2018-11-10 07:49:34,452 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-10 07:49:34,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:49:34 BoogieIcfgContainer [2018-11-10 07:49:34,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:49:34,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:49:34,467 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:49:34,467 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:49:34,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:49:26" (3/4) ... [2018-11-10 07:49:34,471 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:49:34,478 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:49:34,479 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 07:49:34,479 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:49:34,489 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 07:49:34,490 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:49:34,516 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == \old(a21)) || ((a21 <= 0 && 1 == a20) && (!(a7 == a17) || !(1 == a17)))) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || !(1 == \old(a20))) || 0 < \old(a7)) || 6 == \old(a16)) || 13 == \old(a8)) || (((!(a7 == a17) || !(1 == a17)) && 1 == a21) && !(a8 == 13))) || !(1 == \old(a17))) || (((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21)) || ((!(a16 == 6) && (!(a7 == a17) || !(1 == a17))) && 1 == a21)) || (((1 == a20 && 1 == a21) && a7 <= 0) && 1 == a17) [2018-11-10 07:49:34,590 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4d838e30-184f-4027-941a-b750b51728e7/bin-2019/uautomizer/witness.graphml [2018-11-10 07:49:34,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:49:34,591 INFO L168 Benchmark]: Toolchain (without parser) took 9804.84 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 351.3 MB). Free memory was 957.6 MB in the beginning and 870.9 MB in the end (delta: 86.7 MB). Peak memory consumption was 438.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:34,592 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:49:34,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 391.29 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 924.3 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:34,592 INFO L168 Benchmark]: Boogie Preprocessor took 119.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -211.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:34,593 INFO L168 Benchmark]: RCFGBuilder took 903.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:34,593 INFO L168 Benchmark]: TraceAbstraction took 8263.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 208.7 MB). Free memory was 1.0 GB in the beginning and 889.7 MB in the end (delta: 139.7 MB). Peak memory consumption was 348.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:34,593 INFO L168 Benchmark]: Witness Printer took 123.44 ms. Allocated memory is still 1.4 GB. Free memory was 889.7 MB in the beginning and 870.9 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:49:34,595 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 391.29 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 924.3 MB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 924.3 MB in the beginning and 1.1 GB in the end (delta: -211.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 903.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.7 MB). Peak memory consumption was 100.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8263.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 208.7 MB). Free memory was 1.0 GB in the beginning and 889.7 MB in the end (delta: 139.7 MB). Peak memory consumption was 348.3 MB. Max. memory is 11.5 GB. * Witness Printer took 123.44 ms. Allocated memory is still 1.4 GB. Free memory was 889.7 MB in the beginning and 870.9 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(a21)) || ((a21 <= 0 && 1 == a20) && (!(a7 == a17) || !(1 == a17)))) || !(8 == a12)) || (a21 <= 0 && !(a16 == 6))) || !(1 == \old(a20))) || 0 < \old(a7)) || 6 == \old(a16)) || 13 == \old(a8)) || (((!(a7 == a17) || !(1 == a17)) && 1 == a21) && !(a8 == 13))) || !(1 == \old(a17))) || (((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21)) || ((!(a16 == 6) && (!(a7 == a17) || !(1 == a17))) && 1 == a21)) || (((1 == a20 && 1 == a21) && a7 <= 0) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 5.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 632 SDtfs, 4880 SDslu, 859 SDs, 0 SdLazy, 6414 SolverSat, 1364 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 443 GetRequests, 381 SyntacticMatches, 5 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3747occurred in iteration=6, 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: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 558 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 93 PreInvPairs, 171 NumberOfFragments, 574 HoareAnnotationTreeSize, 93 FomulaSimplifications, 11370 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3449 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1445 NumberOfCodeBlocks, 1445 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1436 ConstructedInterpolants, 0 QuantifiedInterpolants, 908218 SizeOfPredicates, 3 NumberOfNonLiveVariables, 921 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 246/279 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...