./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label31.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_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/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 1526c68070720602d1aaf18c59ad5d7427388bd5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:02:10,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:10,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:10,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:10,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:10,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:10,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:10,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:10,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:10,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:10,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:10,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:10,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:10,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:10,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:10,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:10,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:10,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:10,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:10,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:10,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:10,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:10,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:10,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:10,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:10,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:10,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:10,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:10,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:10,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:10,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:10,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:10,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:10,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:10,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:10,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:10,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:10,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:10,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:10,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:10,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:10,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:10,400 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:10,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:10,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:10,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:10,402 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:10,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:10,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:10,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:10,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:10,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:10,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:10,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:10,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:10,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:10,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:10,404 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:10,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:10,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:10,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:10,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:10,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:10,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:10,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:10,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:10,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:10,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:10,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:10,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:10,405 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_ee3af017-9d3d-4e4e-9194-68ea77257bd7/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 -> 1526c68070720602d1aaf18c59ad5d7427388bd5 [2019-10-22 09:02:10,428 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:10,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:10,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:10,442 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:10,443 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:10,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2019-10-22 09:02:10,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/data/6d1a25471/f0ea7a5eed1e46df81d685065b594b5d/FLAGa79a038a6 [2019-10-22 09:02:10,940 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:10,940 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2019-10-22 09:02:10,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/data/6d1a25471/f0ea7a5eed1e46df81d685065b594b5d/FLAGa79a038a6 [2019-10-22 09:02:10,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/data/6d1a25471/f0ea7a5eed1e46df81d685065b594b5d [2019-10-22 09:02:10,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:10,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:10,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:10,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:10,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:10,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:10" (1/1) ... [2019-10-22 09:02:10,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2d2514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:10, skipping insertion in model container [2019-10-22 09:02:10,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:10" (1/1) ... [2019-10-22 09:02:10,981 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:11,036 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:11,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:11,420 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:11,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:11,541 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:11,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11 WrapperNode [2019-10-22 09:02:11,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:11,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:11,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:11,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:11,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:11,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:11,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:11,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:11,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... [2019-10-22 09:02:11,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:11,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:11,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:11,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:11,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/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 09:02:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:11,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:12,916 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:12,916 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:02:12,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:12 BoogieIcfgContainer [2019-10-22 09:02:12,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:12,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:12,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:12,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:12,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:10" (1/3) ... [2019-10-22 09:02:12,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc35be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:12, skipping insertion in model container [2019-10-22 09:02:12,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:11" (2/3) ... [2019-10-22 09:02:12,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc35be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:12, skipping insertion in model container [2019-10-22 09:02:12,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:12" (3/3) ... [2019-10-22 09:02:12,925 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label31.c [2019-10-22 09:02:12,934 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:12,941 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:02:12,951 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:02:12,977 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:12,977 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:12,977 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:12,978 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:12,980 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:12,980 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:12,980 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:12,980 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-10-22 09:02:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 09:02:13,010 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:13,011 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] [2019-10-22 09:02:13,014 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:13,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:13,021 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2019-10-22 09:02:13,028 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:13,028 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235385635] [2019-10-22 09:02:13,029 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:13,029 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:13,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:13,519 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 09:02:13,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235385635] [2019-10-22 09:02:13,521 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:13,522 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:02:13,522 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666641648] [2019-10-22 09:02:13,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:02:13,527 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:13,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:02:13,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:13,542 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 7 states. [2019-10-22 09:02:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:15,974 INFO L93 Difference]: Finished difference Result 982 states and 1810 transitions. [2019-10-22 09:02:15,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:02:15,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2019-10-22 09:02:15,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:15,992 INFO L225 Difference]: With dead ends: 982 [2019-10-22 09:02:15,992 INFO L226 Difference]: Without dead ends: 699 [2019-10-22 09:02:15,995 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:02:16,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-10-22 09:02:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 421. [2019-10-22 09:02:16,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-22 09:02:16,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2019-10-22 09:02:16,054 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 43 [2019-10-22 09:02:16,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:16,054 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2019-10-22 09:02:16,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:02:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2019-10-22 09:02:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-22 09:02:16,059 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:16,059 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:16,059 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:16,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:16,060 INFO L82 PathProgramCache]: Analyzing trace with hash 717652662, now seen corresponding path program 1 times [2019-10-22 09:02:16,060 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:16,060 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040763262] [2019-10-22 09:02:16,060 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:16,060 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:16,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:16,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040763262] [2019-10-22 09:02:16,210 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:16,211 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:16,211 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589094018] [2019-10-22 09:02:16,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:16,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:16,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:16,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:16,213 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 4 states. [2019-10-22 09:02:16,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:16,962 INFO L93 Difference]: Finished difference Result 1257 states and 1737 transitions. [2019-10-22 09:02:16,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:16,964 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2019-10-22 09:02:16,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:16,968 INFO L225 Difference]: With dead ends: 1257 [2019-10-22 09:02:16,968 INFO L226 Difference]: Without dead ends: 838 [2019-10-22 09:02:16,970 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 09:02:16,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-10-22 09:02:16,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-10-22 09:02:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-10-22 09:02:16,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2019-10-22 09:02:17,000 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 161 [2019-10-22 09:02:17,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:17,000 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2019-10-22 09:02:17,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:17,001 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2019-10-22 09:02:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-22 09:02:17,006 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:17,006 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, 2, 2, 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] [2019-10-22 09:02:17,007 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:17,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:17,007 INFO L82 PathProgramCache]: Analyzing trace with hash 21712805, now seen corresponding path program 1 times [2019-10-22 09:02:17,007 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:17,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753564223] [2019-10-22 09:02:17,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:17,008 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:17,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:17,237 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753564223] [2019-10-22 09:02:17,237 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:17,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:17,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784735414] [2019-10-22 09:02:17,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:17,238 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:17,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:17,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:17,238 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 4 states. [2019-10-22 09:02:17,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:17,925 INFO L93 Difference]: Finished difference Result 1674 states and 2200 transitions. [2019-10-22 09:02:17,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:17,925 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 187 [2019-10-22 09:02:17,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:17,929 INFO L225 Difference]: With dead ends: 1674 [2019-10-22 09:02:17,930 INFO L226 Difference]: Without dead ends: 1116 [2019-10-22 09:02:17,931 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 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 09:02:17,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-10-22 09:02:17,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2019-10-22 09:02:17,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-10-22 09:02:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2019-10-22 09:02:17,970 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 187 [2019-10-22 09:02:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:17,971 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2019-10-22 09:02:17,971 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2019-10-22 09:02:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-10-22 09:02:17,981 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:17,982 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:17,982 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:17,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:17,982 INFO L82 PathProgramCache]: Analyzing trace with hash 165795462, now seen corresponding path program 1 times [2019-10-22 09:02:17,982 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:17,983 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187080132] [2019-10-22 09:02:17,983 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:17,983 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:17,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-22 09:02:18,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187080132] [2019-10-22 09:02:18,211 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:18,211 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:18,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786730697] [2019-10-22 09:02:18,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:18,213 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:18,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:18,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:18,214 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 3 states. [2019-10-22 09:02:18,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:18,641 INFO L93 Difference]: Finished difference Result 2230 states and 2765 transitions. [2019-10-22 09:02:18,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:18,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 279 [2019-10-22 09:02:18,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:18,645 INFO L225 Difference]: With dead ends: 2230 [2019-10-22 09:02:18,645 INFO L226 Difference]: Without dead ends: 977 [2019-10-22 09:02:18,647 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:18,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-10-22 09:02:18,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-10-22 09:02:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-10-22 09:02:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1170 transitions. [2019-10-22 09:02:18,669 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1170 transitions. Word has length 279 [2019-10-22 09:02:18,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:18,669 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1170 transitions. [2019-10-22 09:02:18,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:18,669 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1170 transitions. [2019-10-22 09:02:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-10-22 09:02:18,674 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:18,675 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:02:18,675 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:18,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:18,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1824070316, now seen corresponding path program 1 times [2019-10-22 09:02:18,675 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:18,676 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379501555] [2019-10-22 09:02:18,676 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:18,676 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:18,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-10-22 09:02:18,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379501555] [2019-10-22 09:02:18,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:18,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:18,938 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94172086] [2019-10-22 09:02:18,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:18,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:18,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:18,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:18,940 INFO L87 Difference]: Start difference. First operand 977 states and 1170 transitions. Second operand 4 states. [2019-10-22 09:02:19,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:19,603 INFO L93 Difference]: Finished difference Result 2228 states and 2739 transitions. [2019-10-22 09:02:19,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:19,604 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 315 [2019-10-22 09:02:19,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:19,604 INFO L225 Difference]: With dead ends: 2228 [2019-10-22 09:02:19,604 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:02:19,606 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 4 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 09:02:19,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:02:19,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:02:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:02:19,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:02:19,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 315 [2019-10-22 09:02:19,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:19,607 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:19,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:19,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:02:19,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:02:19,800 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-22 09:02:19,801 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,801 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,801 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,801 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,801 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,801 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,801 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-22 09:02:19,801 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-22 09:02:19,801 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 09:02:19,801 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,802 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-22 09:02:19,803 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-22 09:02:19,803 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-22 09:02:19,803 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-22 09:02:19,803 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 09:02:19,803 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 09:02:19,803 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 09:02:19,803 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 09:02:19,803 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 09:02:19,803 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-22 09:02:19,803 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-22 09:02:19,805 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-22 09:02:19,805 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 09:02:19,806 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 09:02:19,807 INFO L439 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (= ~a10~0 2) (and .cse0 (not (= 10 ~a19~0))) (= ~a10~0 1) (and (not (= ~a10~0 3)) .cse0 (not (= ~a10~0 4))))) [2019-10-22 09:02:19,807 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-22 09:02:19,807 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-22 09:02:19,807 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-22 09:02:19,807 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-22 09:02:19,807 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,807 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,807 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,807 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-22 09:02:19,808 INFO L446 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-10-22 09:02:19,808 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 09:02:19,809 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 09:02:19,810 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 09:02:19,811 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 09:02:19,811 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 09:02:19,811 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 09:02:19,811 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-22 09:02:19,811 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-22 09:02:19,811 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:02:19,811 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-22 09:02:19,811 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (= ~a10~0 2) (and .cse0 (not (= 10 ~a19~0))) (= ~a10~0 1) (and (not (= ~a10~0 3)) .cse0 (not (= ~a10~0 4))))) [2019-10-22 09:02:19,817 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 09:02:19,818 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 09:02:19,819 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 09:02:19,819 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 09:02:19,819 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 09:02:19,819 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 09:02:19,819 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-22 09:02:19,819 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-22 09:02:19,819 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-22 09:02:19,819 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-22 09:02:19,820 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,820 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,820 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,820 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 09:02:19,821 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 09:02:19,822 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-22 09:02:19,822 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-22 09:02:19,822 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-22 09:02:19,822 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 09:02:19,823 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-22 09:02:19,824 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 09:02:19,825 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-22 09:02:19,826 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 09:02:19,827 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 09:02:19,827 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 09:02:19,827 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 09:02:19,827 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 09:02:19,827 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 09:02:19,827 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-22 09:02:19,827 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-22 09:02:19,827 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-22 09:02:19,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:19 BoogieIcfgContainer [2019-10-22 09:02:19,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:19,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:19,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:19,853 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:19,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:12" (3/4) ... [2019-10-22 09:02:19,856 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:02:19,873 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:02:19,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:02:19,998 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee3af017-9d3d-4e4e-9194-68ea77257bd7/bin/uautomizer/witness.graphml [2019-10-22 09:02:19,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:20,000 INFO L168 Benchmark]: Toolchain (without parser) took 9033.01 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.6 MB). Free memory was 939.1 MB in the beginning and 959.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 263.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:20,000 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:20,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:20,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:20,001 INFO L168 Benchmark]: Boogie Preprocessor took 60.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:20,001 INFO L168 Benchmark]: RCFGBuilder took 1215.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 957.2 MB in the end (delta: 109.8 MB). Peak memory consumption was 109.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:20,002 INFO L168 Benchmark]: TraceAbstraction took 6934.02 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 957.2 MB in the beginning and 982.1 MB in the end (delta: -24.9 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:20,002 INFO L168 Benchmark]: Witness Printer took 146.12 ms. Allocated memory is still 1.3 GB. Free memory was 982.1 MB in the beginning and 959.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:20,004 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 573.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.82 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1215.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 957.2 MB in the end (delta: 109.8 MB). Peak memory consumption was 109.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6934.02 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 957.2 MB in the beginning and 982.1 MB in the end (delta: -24.9 MB). Peak memory consumption was 144.4 MB. Max. memory is 11.5 GB. * Witness Printer took 146.12 ms. Allocated memory is still 1.3 GB. Free memory was 982.1 MB in the beginning and 959.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: ((a10 == 2 || (!(a19 == 7) && !(10 == a19))) || a10 == 1) || ((!(a10 == 3) && !(a19 == 7)) && !(a10 == 4)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a10 == 2 || (!(a19 == 7) && !(10 == a19))) || a10 == 1) || ((!(a10 == 3) && !(a19 == 7)) && !(a10 == 4)) - 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: 6.8s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 315 SDtfs, 1784 SDslu, 73 SDs, 0 SdLazy, 3815 SolverSat, 1039 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 11 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 556 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 59 HoareAnnotationTreeSize, 3 FomulaSimplifications, 400 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 348 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 985 NumberOfCodeBlocks, 985 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 423610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 893/893 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...