./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/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 5f1f3e9c958502587d73771213325403adeeeeae ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:06,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:06,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:06,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:06,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:06,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:06,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:06,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:06,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:06,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:06,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:06,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:06,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:06,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:06,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:06,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:06,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:06,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:06,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:06,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:06,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:06,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:06,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:06,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:06,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:06,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:06,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:06,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:06,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:06,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:06,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:06,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:06,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:06,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:06,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:06,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:06,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:06,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:06,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:06,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:06,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:06,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:06,339 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:06,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:06,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:06,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:06,346 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:06,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:06,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:06,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:06,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:06,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:06,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:06,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:06,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:06,347 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:06,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:06,349 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:06,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:06,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:06,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:06,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:06,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:06,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:06,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:06,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:06,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:06,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:06,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:06,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:06,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9ab20117-2343-46af-974d-5b35b217ea31/bin/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 -> 5f1f3e9c958502587d73771213325403adeeeeae [2019-10-22 09:00:06,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:06,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:06,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:06,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:06,411 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:06,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2019-10-22 09:00:06,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/data/e79720e28/486c0564e0ea44f0b6e607ac7a421481/FLAG4a5e3579c [2019-10-22 09:00:06,953 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:06,954 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2019-10-22 09:00:06,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/data/e79720e28/486c0564e0ea44f0b6e607ac7a421481/FLAG4a5e3579c [2019-10-22 09:00:07,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/data/e79720e28/486c0564e0ea44f0b6e607ac7a421481 [2019-10-22 09:00:07,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:07,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:07,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:07,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:07,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:07,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:07,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1044e2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07, skipping insertion in model container [2019-10-22 09:00:07,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:07,269 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:07,326 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:07,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:07,728 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:07,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:07,845 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:07,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07 WrapperNode [2019-10-22 09:00:07,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:07,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:07,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:07,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:07,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:07,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:07,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:07,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:07,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:07,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:07,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:07,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:07,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:07,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:07,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:07,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:07,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (1/1) ... [2019-10-22 09:00:08,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:08,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:08,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:08,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:08,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/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 [2019-10-22 09:00:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:09,295 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:09,296 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:00:09,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:09 BoogieIcfgContainer [2019-10-22 09:00:09,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:09,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:09,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:09,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:09,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:07" (1/3) ... [2019-10-22 09:00:09,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51efa918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:09, skipping insertion in model container [2019-10-22 09:00:09,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:07" (2/3) ... [2019-10-22 09:00:09,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51efa918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:09, skipping insertion in model container [2019-10-22 09:00:09,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:09" (3/3) ... [2019-10-22 09:00:09,304 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label59.c [2019-10-22 09:00:09,313 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:09,319 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:09,326 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:09,347 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:09,347 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:09,347 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:09,348 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:09,348 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:09,348 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:09,348 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:09,348 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:09,364 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-10-22 09:00:09,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 09:00:09,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:09,372 INFO L380 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] [2019-10-22 09:00:09,374 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:09,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:09,378 INFO L82 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2019-10-22 09:00:09,385 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:09,386 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621381642] [2019-10-22 09:00:09,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:09,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:09,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:09,667 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621381642] [2019-10-22 09:00:09,667 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:09,668 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:09,668 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773244275] [2019-10-22 09:00:09,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:09,672 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:09,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:09,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:09,687 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-10-22 09:00:10,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:10,885 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-10-22 09:00:10,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:10,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2019-10-22 09:00:10,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:10,901 INFO L225 Difference]: With dead ends: 709 [2019-10-22 09:00:10,901 INFO L226 Difference]: Without dead ends: 421 [2019-10-22 09:00:10,904 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:10,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-22 09:00:10,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-10-22 09:00:10,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-10-22 09:00:10,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-10-22 09:00:10,959 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 65 [2019-10-22 09:00:10,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:10,960 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-10-22 09:00:10,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:10,960 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-10-22 09:00:10,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-22 09:00:10,963 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:10,965 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 09:00:10,965 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:10,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:10,965 INFO L82 PathProgramCache]: Analyzing trace with hash -2138327860, now seen corresponding path program 1 times [2019-10-22 09:00:10,965 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:10,966 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100065968] [2019-10-22 09:00:10,966 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:10,966 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:10,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:11,156 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100065968] [2019-10-22 09:00:11,156 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:11,156 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:11,157 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670945667] [2019-10-22 09:00:11,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:11,159 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:11,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:11,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:11,160 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 4 states. [2019-10-22 09:00:12,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:12,154 INFO L93 Difference]: Finished difference Result 1118 states and 1720 transitions. [2019-10-22 09:00:12,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:12,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2019-10-22 09:00:12,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:12,158 INFO L225 Difference]: With dead ends: 1118 [2019-10-22 09:00:12,158 INFO L226 Difference]: Without dead ends: 838 [2019-10-22 09:00:12,164 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:12,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-10-22 09:00:12,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2019-10-22 09:00:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2019-10-22 09:00:12,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1138 transitions. [2019-10-22 09:00:12,221 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1138 transitions. Word has length 131 [2019-10-22 09:00:12,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:12,224 INFO L462 AbstractCegarLoop]: Abstraction has 838 states and 1138 transitions. [2019-10-22 09:00:12,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1138 transitions. [2019-10-22 09:00:12,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-22 09:00:12,234 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:12,235 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 09:00:12,235 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:12,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:12,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1097584517, now seen corresponding path program 1 times [2019-10-22 09:00:12,235 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:12,236 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288344133] [2019-10-22 09:00:12,236 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,236 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:12,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:12,342 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:12,343 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288344133] [2019-10-22 09:00:12,343 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:12,343 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:12,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255918723] [2019-10-22 09:00:12,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:12,344 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:12,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:12,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:12,344 INFO L87 Difference]: Start difference. First operand 838 states and 1138 transitions. Second operand 4 states. [2019-10-22 09:00:13,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:13,042 INFO L93 Difference]: Finished difference Result 1952 states and 2682 transitions. [2019-10-22 09:00:13,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:13,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2019-10-22 09:00:13,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:13,046 INFO L225 Difference]: With dead ends: 1952 [2019-10-22 09:00:13,046 INFO L226 Difference]: Without dead ends: 1116 [2019-10-22 09:00:13,049 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:13,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-10-22 09:00:13,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2019-10-22 09:00:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-10-22 09:00:13,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1386 transitions. [2019-10-22 09:00:13,073 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1386 transitions. Word has length 142 [2019-10-22 09:00:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:13,073 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1386 transitions. [2019-10-22 09:00:13,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1386 transitions. [2019-10-22 09:00:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-22 09:00:13,076 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:13,076 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 09:00:13,076 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:13,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:13,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1600410530, now seen corresponding path program 1 times [2019-10-22 09:00:13,077 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:13,077 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169000100] [2019-10-22 09:00:13,077 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:13,077 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:13,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:13,283 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:13,284 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169000100] [2019-10-22 09:00:13,284 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:13,284 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:00:13,284 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021822447] [2019-10-22 09:00:13,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:00:13,285 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:13,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:00:13,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:13,285 INFO L87 Difference]: Start difference. First operand 1116 states and 1386 transitions. Second operand 4 states. [2019-10-22 09:00:14,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:14,000 INFO L93 Difference]: Finished difference Result 3759 states and 4676 transitions. [2019-10-22 09:00:14,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:00:14,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2019-10-22 09:00:14,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:14,008 INFO L225 Difference]: With dead ends: 3759 [2019-10-22 09:00:14,008 INFO L226 Difference]: Without dead ends: 2645 [2019-10-22 09:00:14,010 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:00:14,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2019-10-22 09:00:14,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 1672. [2019-10-22 09:00:14,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2019-10-22 09:00:14,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2043 transitions. [2019-10-22 09:00:14,047 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2043 transitions. Word has length 192 [2019-10-22 09:00:14,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:14,047 INFO L462 AbstractCegarLoop]: Abstraction has 1672 states and 2043 transitions. [2019-10-22 09:00:14,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:00:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2043 transitions. [2019-10-22 09:00:14,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-22 09:00:14,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:14,049 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:14,050 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:14,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:14,050 INFO L82 PathProgramCache]: Analyzing trace with hash -354141657, now seen corresponding path program 1 times [2019-10-22 09:00:14,050 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:14,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050244943] [2019-10-22 09:00:14,050 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,051 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:14,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 67 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:14,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050244943] [2019-10-22 09:00:14,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469357058] [2019-10-22 09:00:14,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:14,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 09:00:14,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:14,335 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:14,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:00:14,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:14,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:00:14,350 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:00:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 127 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:14,609 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:00:14,610 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-10-22 09:00:14,610 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863373500] [2019-10-22 09:00:14,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:00:14,611 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:14,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:00:14,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:00:14,611 INFO L87 Difference]: Start difference. First operand 1672 states and 2043 transitions. Second operand 8 states. [2019-10-22 09:00:17,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:17,097 INFO L93 Difference]: Finished difference Result 4871 states and 5954 transitions. [2019-10-22 09:00:17,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 09:00:17,097 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 213 [2019-10-22 09:00:17,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:17,106 INFO L225 Difference]: With dead ends: 4871 [2019-10-22 09:00:17,106 INFO L226 Difference]: Without dead ends: 3201 [2019-10-22 09:00:17,108 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:00:17,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2019-10-22 09:00:17,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 1950. [2019-10-22 09:00:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2019-10-22 09:00:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2231 transitions. [2019-10-22 09:00:17,148 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2231 transitions. Word has length 213 [2019-10-22 09:00:17,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:17,148 INFO L462 AbstractCegarLoop]: Abstraction has 1950 states and 2231 transitions. [2019-10-22 09:00:17,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:00:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2231 transitions. [2019-10-22 09:00:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-10-22 09:00:17,151 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:17,151 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:17,352 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:17,352 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:17,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:17,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1412343006, now seen corresponding path program 1 times [2019-10-22 09:00:17,353 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:17,353 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800237934] [2019-10-22 09:00:17,353 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:17,353 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:17,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:17,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800237934] [2019-10-22 09:00:17,460 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:17,460 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:17,460 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131273105] [2019-10-22 09:00:17,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:17,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:17,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:17,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:17,461 INFO L87 Difference]: Start difference. First operand 1950 states and 2231 transitions. Second operand 5 states. [2019-10-22 09:00:18,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:18,429 INFO L93 Difference]: Finished difference Result 5427 states and 6240 transitions. [2019-10-22 09:00:18,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:18,430 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2019-10-22 09:00:18,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:18,434 INFO L225 Difference]: With dead ends: 5427 [2019-10-22 09:00:18,434 INFO L226 Difference]: Without dead ends: 1811 [2019-10-22 09:00:18,437 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:18,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2019-10-22 09:00:18,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1672. [2019-10-22 09:00:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2019-10-22 09:00:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1838 transitions. [2019-10-22 09:00:18,472 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1838 transitions. Word has length 217 [2019-10-22 09:00:18,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:18,473 INFO L462 AbstractCegarLoop]: Abstraction has 1672 states and 1838 transitions. [2019-10-22 09:00:18,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:18,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1838 transitions. [2019-10-22 09:00:18,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-22 09:00:18,477 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:18,477 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:00:18,477 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:18,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:18,477 INFO L82 PathProgramCache]: Analyzing trace with hash -416019249, now seen corresponding path program 1 times [2019-10-22 09:00:18,478 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:18,478 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026457426] [2019-10-22 09:00:18,478 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:18,478 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:18,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-22 09:00:18,643 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026457426] [2019-10-22 09:00:18,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:18,643 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:00:18,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726788601] [2019-10-22 09:00:18,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:18,644 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:18,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:18,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:18,645 INFO L87 Difference]: Start difference. First operand 1672 states and 1838 transitions. Second operand 5 states. [2019-10-22 09:00:19,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:19,658 INFO L93 Difference]: Finished difference Result 4454 states and 4918 transitions. [2019-10-22 09:00:19,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:19,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2019-10-22 09:00:19,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:19,666 INFO L225 Difference]: With dead ends: 4454 [2019-10-22 09:00:19,666 INFO L226 Difference]: Without dead ends: 2784 [2019-10-22 09:00:19,668 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:19,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2019-10-22 09:00:19,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2228. [2019-10-22 09:00:19,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2019-10-22 09:00:19,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2439 transitions. [2019-10-22 09:00:19,718 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2439 transitions. Word has length 230 [2019-10-22 09:00:19,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:19,718 INFO L462 AbstractCegarLoop]: Abstraction has 2228 states and 2439 transitions. [2019-10-22 09:00:19,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:19,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2439 transitions. [2019-10-22 09:00:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-10-22 09:00:19,725 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:19,725 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:00:19,725 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:19,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:19,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1031491534, now seen corresponding path program 1 times [2019-10-22 09:00:19,726 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:19,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046637054] [2019-10-22 09:00:19,726 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:19,726 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:19,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 253 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:20,650 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046637054] [2019-10-22 09:00:20,650 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768401840] [2019-10-22 09:00:20,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:20,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-22 09:00:20,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 317 proven. 34 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-10-22 09:00:21,028 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:00:21,029 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4] total 13 [2019-10-22 09:00:21,030 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136270953] [2019-10-22 09:00:21,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-22 09:00:21,031 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:21,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-22 09:00:21,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2019-10-22 09:00:21,032 INFO L87 Difference]: Start difference. First operand 2228 states and 2439 transitions. Second operand 14 states. [2019-10-22 09:00:22,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:22,829 INFO L93 Difference]: Finished difference Result 4791 states and 5270 transitions. [2019-10-22 09:00:22,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 09:00:22,829 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 341 [2019-10-22 09:00:22,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:22,837 INFO L225 Difference]: With dead ends: 4791 [2019-10-22 09:00:22,838 INFO L226 Difference]: Without dead ends: 2704 [2019-10-22 09:00:22,840 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 340 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2019-10-22 09:00:22,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2019-10-22 09:00:22,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2506. [2019-10-22 09:00:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2506 states. [2019-10-22 09:00:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 2711 transitions. [2019-10-22 09:00:22,889 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 2711 transitions. Word has length 341 [2019-10-22 09:00:22,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:22,889 INFO L462 AbstractCegarLoop]: Abstraction has 2506 states and 2711 transitions. [2019-10-22 09:00:22,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-22 09:00:22,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 2711 transitions. [2019-10-22 09:00:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-10-22 09:00:22,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:22,897 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:00:23,098 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:23,099 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:23,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:23,099 INFO L82 PathProgramCache]: Analyzing trace with hash 352328165, now seen corresponding path program 1 times [2019-10-22 09:00:23,099 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:23,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838797103] [2019-10-22 09:00:23,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:23,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:23,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 89 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:00:23,462 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838797103] [2019-10-22 09:00:23,462 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855594015] [2019-10-22 09:00:23,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:23,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-22 09:00:23,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:23,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:23,567 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:23,568 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:23,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:23,569 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:23,570 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:23,571 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:23,579 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 330 proven. 62 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-22 09:00:24,001 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:00:24,001 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-10-22 09:00:24,001 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115558870] [2019-10-22 09:00:24,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 09:00:24,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:24,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 09:00:24,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:00:24,003 INFO L87 Difference]: Start difference. First operand 2506 states and 2711 transitions. Second operand 11 states. [2019-10-22 09:00:26,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:26,158 INFO L93 Difference]: Finished difference Result 6539 states and 7075 transitions. [2019-10-22 09:00:26,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 09:00:26,158 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 363 [2019-10-22 09:00:26,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:26,169 INFO L225 Difference]: With dead ends: 6539 [2019-10-22 09:00:26,169 INFO L226 Difference]: Without dead ends: 4174 [2019-10-22 09:00:26,173 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 360 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-10-22 09:00:26,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2019-10-22 09:00:26,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 2784. [2019-10-22 09:00:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2784 states. [2019-10-22 09:00:26,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 2978 transitions. [2019-10-22 09:00:26,232 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 2978 transitions. Word has length 363 [2019-10-22 09:00:26,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:26,232 INFO L462 AbstractCegarLoop]: Abstraction has 2784 states and 2978 transitions. [2019-10-22 09:00:26,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 09:00:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 2978 transitions. [2019-10-22 09:00:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2019-10-22 09:00:26,239 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:26,240 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:00:26,440 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:26,441 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:26,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:26,441 INFO L82 PathProgramCache]: Analyzing trace with hash -127843405, now seen corresponding path program 1 times [2019-10-22 09:00:26,441 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:26,441 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042588384] [2019-10-22 09:00:26,441 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:26,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:26,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 42 proven. 351 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-22 09:00:27,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042588384] [2019-10-22 09:00:27,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404132807] [2019-10-22 09:00:27,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:27,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 17 conjunts are in the unsatisfiable core [2019-10-22 09:00:27,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:00:27,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:27,361 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:27,471 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 09:00:27,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:27,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:27,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:27,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:27,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:27,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 09:00:28,061 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 12 proven. 381 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-22 09:00:28,061 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:00:28,061 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 11 [2019-10-22 09:00:28,061 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138049848] [2019-10-22 09:00:28,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 09:00:28,062 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:28,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 09:00:28,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-10-22 09:00:28,063 INFO L87 Difference]: Start difference. First operand 2784 states and 2978 transitions. Second operand 12 states. [2019-10-22 09:00:31,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:31,964 INFO L93 Difference]: Finished difference Result 6833 states and 7328 transitions. [2019-10-22 09:00:31,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 09:00:31,964 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 382 [2019-10-22 09:00:31,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:31,973 INFO L225 Difference]: With dead ends: 6833 [2019-10-22 09:00:31,973 INFO L226 Difference]: Without dead ends: 4190 [2019-10-22 09:00:31,976 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 377 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2019-10-22 09:00:31,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4190 states. [2019-10-22 09:00:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4190 to 2708. [2019-10-22 09:00:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2708 states. [2019-10-22 09:00:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 2893 transitions. [2019-10-22 09:00:32,027 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 2893 transitions. Word has length 382 [2019-10-22 09:00:32,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:32,028 INFO L462 AbstractCegarLoop]: Abstraction has 2708 states and 2893 transitions. [2019-10-22 09:00:32,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 09:00:32,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 2893 transitions. [2019-10-22 09:00:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2019-10-22 09:00:32,040 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:32,040 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:00:32,240 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:00:32,241 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:32,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:32,241 INFO L82 PathProgramCache]: Analyzing trace with hash 318816942, now seen corresponding path program 1 times [2019-10-22 09:00:32,241 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:32,241 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837338293] [2019-10-22 09:00:32,242 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:32,242 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:32,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:00:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1184 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2019-10-22 09:00:32,652 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837338293] [2019-10-22 09:00:32,652 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:00:32,652 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:00:32,652 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730126700] [2019-10-22 09:00:32,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:00:32,653 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:00:32,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:00:32,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:32,653 INFO L87 Difference]: Start difference. First operand 2708 states and 2893 transitions. Second operand 5 states. [2019-10-22 09:00:33,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:00:33,715 INFO L93 Difference]: Finished difference Result 6107 states and 6523 transitions. [2019-10-22 09:00:33,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:00:33,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 581 [2019-10-22 09:00:33,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:00:33,716 INFO L225 Difference]: With dead ends: 6107 [2019-10-22 09:00:33,717 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:00:33,720 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:00:33,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:00:33,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:00:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:00:33,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:00:33,721 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 581 [2019-10-22 09:00:33,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:00:33,721 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:00:33,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:00:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:00:33,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:00:33,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:00:34,181 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 271 [2019-10-22 09:00:34,589 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 267 [2019-10-22 09:00:35,672 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 261 DAG size of output: 47 [2019-10-22 09:00:36,680 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 259 DAG size of output: 43 [2019-10-22 09:00:36,682 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-22 09:00:36,682 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,682 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,682 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-22 09:00:36,683 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-22 09:00:36,684 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 09:00:36,685 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L439 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~a1~0 600000))) (.cse3 (= 9 ~a19~0)) (.cse1 (= 14 ~a4~0)) (.cse4 (= ~a12~0 0)) (.cse2 (= ~a10~0 0))) (or (and .cse0 (and .cse1 (and (not .cse2) .cse3) .cse4)) (and .cse1 .cse4 (= ~a10~0 2) .cse3) (and .cse0 (<= ~a10~0 2) (not .cse3)) (and .cse1 .cse4 (or (not (= 5 ULTIMATE.start_calculate_output_~input)) (< 218 ~a1~0)) .cse2 (< 0 (+ ~a1~0 13))) (and (<= ~a19~0 8) (not (= 1 ~a10~0))))) [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-22 09:00:36,686 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L446 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,687 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-22 09:00:36,691 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-22 09:00:36,692 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~a1~0 600000))) (.cse3 (= 9 ~a19~0)) (.cse5 (<= ~a10~0 2)) (.cse1 (= 14 ~a4~0)) (.cse4 (= ~a12~0 0)) (.cse2 (= ~a10~0 0))) (or (and .cse0 (and .cse1 (and (not .cse2) .cse3) .cse4)) (and .cse1 .cse4 (= ~a10~0 2) .cse3) (and .cse0 .cse5 (not .cse3)) (and (<= 23 ~a1~0) (<= ~a1~0 23) .cse1 .cse5 .cse4) (and .cse1 .cse4 (or (not (= 5 ULTIMATE.start_calculate_output_~input)) (< 218 ~a1~0)) .cse2 (< 0 (+ ~a1~0 13))) (and (<= ~a19~0 8) (not (= 1 ~a10~0))))) [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-22 09:00:36,693 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,694 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-22 09:00:36,695 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-22 09:00:36,696 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 09:00:36,697 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-22 09:00:36,698 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,699 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-22 09:00:36,700 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-22 09:00:36,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:36 BoogieIcfgContainer [2019-10-22 09:00:36,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:36,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:36,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:36,728 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:36,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:09" (3/4) ... [2019-10-22 09:00:36,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:00:36,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:00:36,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:00:36,903 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9ab20117-2343-46af-974d-5b35b217ea31/bin/uautomizer/witness.graphml [2019-10-22 09:00:36,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:36,905 INFO L168 Benchmark]: Toolchain (without parser) took 29656.22 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 926.9 MB). Free memory was 939.4 MB in the beginning and 1.4 GB in the end (delta: -418.1 MB). Peak memory consumption was 508.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:36,905 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:36,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:36,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:36,906 INFO L168 Benchmark]: Boogie Preprocessor took 80.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:36,906 INFO L168 Benchmark]: RCFGBuilder took 1296.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.0 MB in the end (delta: 113.7 MB). Peak memory consumption was 113.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:36,906 INFO L168 Benchmark]: TraceAbstraction took 27429.35 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 789.1 MB). Free memory was 985.0 MB in the beginning and 1.4 GB in the end (delta: -400.6 MB). Peak memory consumption was 934.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:36,907 INFO L168 Benchmark]: Witness Printer took 176.11 ms. Allocated memory is still 2.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:36,912 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1296.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.0 MB in the end (delta: 113.7 MB). Peak memory consumption was 113.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27429.35 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 789.1 MB). Free memory was 985.0 MB in the beginning and 1.4 GB in the end (delta: -400.6 MB). Peak memory consumption was 934.6 MB. Max. memory is 11.5 GB. * Witness Printer took 176.11 ms. Allocated memory is still 2.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 199]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((0 <= a1 + 600000 && (14 == a4 && !(a10 == 0) && 9 == a19) && a12 == 0) || (((14 == a4 && a12 == 0) && a10 == 2) && 9 == a19)) || ((0 <= a1 + 600000 && a10 <= 2) && !(9 == a19))) || ((((23 <= a1 && a1 <= 23) && 14 == a4) && a10 <= 2) && a12 == 0)) || ((((14 == a4 && a12 == 0) && (!(5 == input) || 218 < a1)) && a10 == 0) && 0 < a1 + 13)) || (a19 <= 8 && !(1 == a10)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((0 <= a1 + 600000 && (14 == a4 && !(a10 == 0) && 9 == a19) && a12 == 0) || (((14 == a4 && a12 == 0) && a10 == 2) && 9 == a19)) || ((0 <= a1 + 600000 && a10 <= 2) && !(9 == a19))) || ((((14 == a4 && a12 == 0) && (!(5 == input) || 218 < a1)) && a10 == 0) && 0 < a1 + 13)) || (a19 <= 8 && !(1 == a10)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 27.3s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, HoareTripleCheckerStatistics: 666 SDtfs, 6514 SDslu, 333 SDs, 0 SdLazy, 17187 SolverSat, 2143 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1394 GetRequests, 1303 SyntacticMatches, 14 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2784occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 6128 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 82 NumberOfFragments, 175 HoareAnnotationTreeSize, 3 FomulaSimplifications, 26552 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 69165 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 4156 NumberOfCodeBlocks, 4156 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4141 ConstructedInterpolants, 313 QuantifiedInterpolants, 11308216 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1717 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 3281/4841 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...