./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/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 5360c3d4aebe9582cd01259f723ea710f280bf1f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:28:42,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:28:42,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:28:42,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:28:42,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:28:42,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:28:42,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:28:42,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:28:42,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:28:42,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:28:42,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:28:42,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:28:42,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:28:42,665 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:28:42,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:28:42,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:28:42,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:28:42,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:28:42,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:28:42,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:28:42,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:28:42,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:28:42,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:28:42,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:28:42,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:28:42,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:28:42,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:28:42,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:28:42,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:28:42,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:28:42,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:28:42,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:28:42,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:28:42,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:28:42,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:28:42,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:28:42,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:28:42,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:28:42,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:28:42,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:28:42,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:28:42,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 06:28:42,708 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:28:42,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:28:42,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:28:42,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:28:42,710 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:28:42,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:28:42,710 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:28:42,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:28:42,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:28:42,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:28:42,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:28:42,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:28:42,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:28:42,712 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:28:42,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:28:42,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:28:42,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:28:42,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:28:42,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:28:42,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:28:42,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:28:42,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:28:42,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:28:42,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:28:42,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:28:42,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:28:42,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:28:42,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:28:42,714 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/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/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 -> 5360c3d4aebe9582cd01259f723ea710f280bf1f [2019-11-20 06:28:42,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:28:42,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:28:42,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:28:42,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:28:42,875 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:28:42,877 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-20 06:28:42,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/data/9dfd68831/e5a8d63a97324629befe84c1568df34b/FLAG16d671c44 [2019-11-20 06:28:43,446 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:28:43,447 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/sv-benchmarks/c/eca-rers2012/Problem02_label20.c [2019-11-20 06:28:43,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/data/9dfd68831/e5a8d63a97324629befe84c1568df34b/FLAG16d671c44 [2019-11-20 06:28:43,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/data/9dfd68831/e5a8d63a97324629befe84c1568df34b [2019-11-20 06:28:43,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:28:43,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:28:43,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:28:43,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:28:43,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:28:43,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:28:43" (1/1) ... [2019-11-20 06:28:43,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b90d1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:43, skipping insertion in model container [2019-11-20 06:28:43,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:28:43" (1/1) ... [2019-11-20 06:28:43,706 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:28:43,757 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:28:44,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:28:44,209 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:28:44,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:28:44,332 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:28:44,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44 WrapperNode [2019-11-20 06:28:44,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:28:44,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:28:44,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:28:44,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:28:44,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (1/1) ... [2019-11-20 06:28:44,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (1/1) ... [2019-11-20 06:28:44,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:28:44,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:28:44,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:28:44,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:28:44,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (1/1) ... [2019-11-20 06:28:44,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (1/1) ... [2019-11-20 06:28:44,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (1/1) ... [2019-11-20 06:28:44,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (1/1) ... [2019-11-20 06:28:44,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (1/1) ... [2019-11-20 06:28:44,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (1/1) ... [2019-11-20 06:28:44,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (1/1) ... [2019-11-20 06:28:44,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:28:44,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:28:44,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:28:44,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:28:44,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/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 [2019-11-20 06:28:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:28:44,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:28:45,762 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:28:45,762 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 06:28:45,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:45 BoogieIcfgContainer [2019-11-20 06:28:45,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:28:45,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:28:45,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:28:45,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:28:45,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:28:43" (1/3) ... [2019-11-20 06:28:45,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34efd656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:28:45, skipping insertion in model container [2019-11-20 06:28:45,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:44" (2/3) ... [2019-11-20 06:28:45,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34efd656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:28:45, skipping insertion in model container [2019-11-20 06:28:45,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:45" (3/3) ... [2019-11-20 06:28:45,772 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label20.c [2019-11-20 06:28:45,782 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:28:45,790 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 06:28:45,801 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 06:28:45,836 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:28:45,836 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:28:45,836 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:28:45,836 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:28:45,836 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:28:45,837 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:28:45,837 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:28:45,838 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:28:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-20 06:28:45,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-20 06:28:45,872 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:28:45,873 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:28:45,874 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:28:45,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:45,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1124491187, now seen corresponding path program 1 times [2019-11-20 06:28:45,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:45,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005874555] [2019-11-20 06:28:45,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:28:46,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:28:46,328 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005874555] [2019-11-20 06:28:46,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:28:46,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:28:46,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069454003] [2019-11-20 06:28:46,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 06:28:46,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:28:46,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 06:28:46,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:28:46,356 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-20 06:28:47,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:28:47,780 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-20 06:28:47,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 06:28:47,782 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-20 06:28:47,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:28:47,809 INFO L225 Difference]: With dead ends: 739 [2019-11-20 06:28:47,810 INFO L226 Difference]: Without dead ends: 445 [2019-11-20 06:28:47,819 INFO L630 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 [2019-11-20 06:28:47,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-20 06:28:47,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-20 06:28:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-20 06:28:47,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-20 06:28:47,883 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 99 [2019-11-20 06:28:47,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:28:47,884 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-20 06:28:47,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 06:28:47,885 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-20 06:28:47,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 06:28:47,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:28:47,892 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:28:47,892 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:28:47,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:47,892 INFO L82 PathProgramCache]: Analyzing trace with hash -661756398, now seen corresponding path program 1 times [2019-11-20 06:28:47,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:47,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145048487] [2019-11-20 06:28:47,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:28:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:28:47,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145048487] [2019-11-20 06:28:47,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:28:47,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:28:47,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297863711] [2019-11-20 06:28:47,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 06:28:47,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:28:47,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 06:28:47,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:28:47,979 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-20 06:28:48,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:28:48,905 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-20 06:28:48,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 06:28:48,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2019-11-20 06:28:48,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:28:48,912 INFO L225 Difference]: With dead ends: 1470 [2019-11-20 06:28:48,912 INFO L226 Difference]: Without dead ends: 1027 [2019-11-20 06:28:48,916 INFO L630 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 [2019-11-20 06:28:48,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-20 06:28:48,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-20 06:28:48,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-20 06:28:48,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-20 06:28:48,974 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 117 [2019-11-20 06:28:48,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:28:48,974 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-20 06:28:48,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 06:28:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-20 06:28:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-20 06:28:48,989 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:28:48,989 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:28:48,990 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:28:48,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:48,990 INFO L82 PathProgramCache]: Analyzing trace with hash -612453497, now seen corresponding path program 1 times [2019-11-20 06:28:48,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:48,990 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673733813] [2019-11-20 06:28:48,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:28:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:28:49,139 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673733813] [2019-11-20 06:28:49,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:28:49,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 06:28:49,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228285514] [2019-11-20 06:28:49,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 06:28:49,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:28:49,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 06:28:49,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:28:49,143 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-20 06:28:50,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:28:50,145 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-20 06:28:50,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 06:28:50,146 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2019-11-20 06:28:50,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:28:50,157 INFO L225 Difference]: With dead ends: 2582 [2019-11-20 06:28:50,158 INFO L226 Difference]: Without dead ends: 1855 [2019-11-20 06:28:50,160 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:28:50,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-20 06:28:50,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-20 06:28:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-20 06:28:50,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-11-20 06:28:50,213 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 121 [2019-11-20 06:28:50,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:28:50,214 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-11-20 06:28:50,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 06:28:50,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-11-20 06:28:50,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-20 06:28:50,218 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:28:50,218 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:28:50,219 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:28:50,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:50,219 INFO L82 PathProgramCache]: Analyzing trace with hash 519114652, now seen corresponding path program 1 times [2019-11-20 06:28:50,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:50,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777506923] [2019-11-20 06:28:50,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:28:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:28:50,334 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777506923] [2019-11-20 06:28:50,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:28:50,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 06:28:50,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854120623] [2019-11-20 06:28:50,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:28:50,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:28:50,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:28:50,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:28:50,336 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-11-20 06:28:50,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:28:50,887 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-11-20 06:28:50,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:28:50,887 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2019-11-20 06:28:50,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:28:50,899 INFO L225 Difference]: With dead ends: 3840 [2019-11-20 06:28:50,899 INFO L226 Difference]: Without dead ends: 2272 [2019-11-20 06:28:50,901 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:28:50,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-20 06:28:50,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-20 06:28:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-20 06:28:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-11-20 06:28:50,950 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 121 [2019-11-20 06:28:50,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:28:50,950 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-11-20 06:28:50,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:28:50,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-11-20 06:28:50,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-20 06:28:50,954 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:28:50,954 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:28:50,955 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:28:50,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:50,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1585632305, now seen corresponding path program 1 times [2019-11-20 06:28:50,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:50,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25470166] [2019-11-20 06:28:50,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:28:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:28:51,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25470166] [2019-11-20 06:28:51,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:28:51,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:28:51,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544479282] [2019-11-20 06:28:51,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:28:51,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:28:51,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:28:51,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:28:51,038 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-11-20 06:28:51,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:28:51,472 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-11-20 06:28:51,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:28:51,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-20 06:28:51,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:28:51,485 INFO L225 Difference]: With dead ends: 5381 [2019-11-20 06:28:51,486 INFO L226 Difference]: Without dead ends: 2546 [2019-11-20 06:28:51,489 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:28:51,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-11-20 06:28:51,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-11-20 06:28:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-11-20 06:28:51,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-11-20 06:28:51,534 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 126 [2019-11-20 06:28:51,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:28:51,535 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-11-20 06:28:51,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:28:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-11-20 06:28:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 06:28:51,539 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:28:51,539 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:28:51,539 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:28:51,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:51,539 INFO L82 PathProgramCache]: Analyzing trace with hash 426939321, now seen corresponding path program 1 times [2019-11-20 06:28:51,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:51,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841115337] [2019-11-20 06:28:51,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:28:51,627 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 06:28:51,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841115337] [2019-11-20 06:28:51,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:28:51,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 06:28:51,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882543382] [2019-11-20 06:28:51,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 06:28:51,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:28:51,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 06:28:51,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:28:51,630 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-11-20 06:28:52,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:28:52,163 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-11-20 06:28:52,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:28:52,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2019-11-20 06:28:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:28:52,172 INFO L225 Difference]: With dead ends: 4388 [2019-11-20 06:28:52,172 INFO L226 Difference]: Without dead ends: 1985 [2019-11-20 06:28:52,175 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:28:52,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-11-20 06:28:52,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-11-20 06:28:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-11-20 06:28:52,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-11-20 06:28:52,207 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 137 [2019-11-20 06:28:52,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:28:52,207 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-11-20 06:28:52,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 06:28:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-11-20 06:28:52,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-20 06:28:52,210 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:28:52,211 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:28:52,211 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:28:52,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:52,211 INFO L82 PathProgramCache]: Analyzing trace with hash 825573273, now seen corresponding path program 1 times [2019-11-20 06:28:52,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:52,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999589706] [2019-11-20 06:28:52,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:28:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 06:28:52,274 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999589706] [2019-11-20 06:28:52,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:28:52,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 06:28:52,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720530583] [2019-11-20 06:28:52,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:28:52,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:28:52,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:28:52,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:28:52,276 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-11-20 06:28:52,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:28:52,789 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-11-20 06:28:52,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:28:52,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-11-20 06:28:52,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:28:52,798 INFO L225 Difference]: With dead ends: 3411 [2019-11-20 06:28:52,799 INFO L226 Difference]: Without dead ends: 1707 [2019-11-20 06:28:52,801 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 06:28:52,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-20 06:28:52,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-11-20 06:28:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-20 06:28:52,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-11-20 06:28:52,831 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 150 [2019-11-20 06:28:52,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:28:52,831 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-11-20 06:28:52,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:28:52,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-11-20 06:28:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-20 06:28:52,838 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:28:52,838 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 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] [2019-11-20 06:28:52,838 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:28:52,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:28:52,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1830161714, now seen corresponding path program 1 times [2019-11-20 06:28:52,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 06:28:52,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341678830] [2019-11-20 06:28:52,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 06:28:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:28:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-11-20 06:28:53,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341678830] [2019-11-20 06:28:53,054 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290807377] [2019-11-20 06:28:53,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/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 [2019-11-20 06:28:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:28:53,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 06:28:53,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:28:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 06:28:53,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 06:28:53,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-20 06:28:53,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445739576] [2019-11-20 06:28:53,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 06:28:53,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 06:28:53,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 06:28:53,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-20 06:28:53,315 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-11-20 06:28:53,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:28:53,799 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-11-20 06:28:53,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:28:53,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2019-11-20 06:28:53,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:28:53,800 INFO L225 Difference]: With dead ends: 3818 [2019-11-20 06:28:53,800 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 06:28:53,803 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-20 06:28:53,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 06:28:53,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 06:28:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 06:28:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 06:28:53,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2019-11-20 06:28:53,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:28:53,804 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 06:28:53,804 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 06:28:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 06:28:53,805 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 06:28:54,009 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 06:28:54,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 06:28:54,271 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-20 06:28:54,510 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-20 06:28:54,513 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,513 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,513 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,514 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-20 06:28:54,514 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-20 06:28:54,514 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-20 06:28:54,514 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-20 06:28:54,514 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-20 06:28:54,514 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-20 06:28:54,514 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-20 06:28:54,514 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,514 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,515 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,515 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-20 06:28:54,515 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-20 06:28:54,515 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-20 06:28:54,515 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-20 06:28:54,515 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-20 06:28:54,515 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-20 06:28:54,515 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-20 06:28:54,515 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,515 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,516 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,516 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-20 06:28:54,516 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-20 06:28:54,516 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-20 06:28:54,516 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-20 06:28:54,516 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-20 06:28:54,516 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,516 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,516 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,517 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-20 06:28:54,517 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-20 06:28:54,517 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-20 06:28:54,517 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-20 06:28:54,517 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-20 06:28:54,517 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-20 06:28:54,517 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-20 06:28:54,517 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-20 06:28:54,517 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,518 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,518 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,518 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-20 06:28:54,518 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-20 06:28:54,518 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-20 06:28:54,518 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-20 06:28:54,518 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-20 06:28:54,518 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-20 06:28:54,518 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-20 06:28:54,518 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-20 06:28:54,519 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,519 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,519 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,519 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-20 06:28:54,519 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-20 06:28:54,519 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-20 06:28:54,519 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-20 06:28:54,519 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-20 06:28:54,519 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-20 06:28:54,520 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-20 06:28:54,520 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-20 06:28:54,520 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-20 06:28:54,520 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,520 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,520 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,520 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-20 06:28:54,520 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-20 06:28:54,520 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-20 06:28:54,521 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-20 06:28:54,521 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-20 06:28:54,521 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-20 06:28:54,521 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,521 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,521 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,521 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-20 06:28:54,521 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-20 06:28:54,521 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-20 06:28:54,521 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-20 06:28:54,522 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-20 06:28:54,522 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 06:28:54,522 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-20 06:28:54,522 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-20 06:28:54,522 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-20 06:28:54,522 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,522 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,522 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,522 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-20 06:28:54,523 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-20 06:28:54,523 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-20 06:28:54,523 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-20 06:28:54,523 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-20 06:28:54,523 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,523 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,523 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,523 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-20 06:28:54,523 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-20 06:28:54,523 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-20 06:28:54,524 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-20 06:28:54,524 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-20 06:28:54,524 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-20 06:28:54,524 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-20 06:28:54,524 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-20 06:28:54,524 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-20 06:28:54,524 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-20 06:28:54,524 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 06:28:54,524 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 469) no Hoare annotation was computed. [2019-11-20 06:28:54,525 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-20 06:28:54,525 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,525 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,525 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-20 06:28:54,525 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-20 06:28:54,525 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-20 06:28:54,525 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-20 06:28:54,525 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-20 06:28:54,525 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-20 06:28:54,529 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-20 06:28:54,529 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-20 06:28:54,529 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-20 06:28:54,530 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-11-20 06:28:54,531 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,531 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,531 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-20 06:28:54,531 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-20 06:28:54,531 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-20 06:28:54,531 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-20 06:28:54,531 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-20 06:28:54,531 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-20 06:28:54,531 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-20 06:28:54,532 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,532 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,532 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-20 06:28:54,532 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-20 06:28:54,532 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-20 06:28:54,532 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-20 06:28:54,532 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-20 06:28:54,532 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-20 06:28:54,532 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-20 06:28:54,532 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-20 06:28:54,533 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-20 06:28:54,533 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,533 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,533 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-20 06:28:54,533 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-20 06:28:54,533 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-20 06:28:54,533 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-20 06:28:54,533 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-20 06:28:54,533 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-20 06:28:54,534 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1))) (let ((.cse8 (= ~a17~0 8)) (.cse9 (not (= ~a28~0 11))) (.cse0 (= ~a19~0 1)) (.cse10 (not .cse2)) (.cse1 (= ~a11~0 1))) (let ((.cse5 (or (and .cse10 .cse1 .cse9) (and .cse0 .cse10 .cse1))) (.cse7 (<= 10 ~a28~0)) (.cse6 (= ~a28~0 9)) (.cse3 (<= ~a19~0 0)) (.cse4 (and .cse10 .cse8))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse3 .cse5) (and .cse6 .cse3) (and .cse7 .cse5) (and .cse8 .cse0 .cse9) (and .cse7 .cse0 .cse2) (and .cse6 .cse8 .cse1) (and .cse3 .cse8 .cse9) (and .cse4 .cse1 .cse9))))) [2019-11-20 06:28:54,534 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,534 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,534 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-20 06:28:54,534 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-20 06:28:54,535 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-20 06:28:54,535 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-20 06:28:54,535 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-20 06:28:54,535 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,535 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,535 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-20 06:28:54,535 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-20 06:28:54,535 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-20 06:28:54,535 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-20 06:28:54,536 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-20 06:28:54,536 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-20 06:28:54,536 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-20 06:28:54,536 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-20 06:28:54,536 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-20 06:28:54,536 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,536 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,536 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-20 06:28:54,536 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,536 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-20 06:28:54,537 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-20 06:28:54,537 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-20 06:28:54,538 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-20 06:28:54,538 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-20 06:28:54,538 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 06:28:54,538 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-20 06:28:54,541 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,541 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,541 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,541 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-20 06:28:54,541 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-20 06:28:54,541 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-20 06:28:54,541 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-20 06:28:54,541 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-20 06:28:54,541 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,542 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,542 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,544 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-20 06:28:54,545 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-20 06:28:54,545 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-20 06:28:54,545 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-20 06:28:54,545 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-20 06:28:54,545 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-20 06:28:54,546 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,547 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,547 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,547 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-20 06:28:54,547 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-20 06:28:54,550 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-20 06:28:54,550 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-20 06:28:54,550 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-20 06:28:54,550 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-20 06:28:54,550 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 06:28:54,550 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-20 06:28:54,550 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-20 06:28:54,551 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,551 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,551 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,551 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-20 06:28:54,551 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-20 06:28:54,551 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-20 06:28:54,551 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-20 06:28:54,551 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-20 06:28:54,551 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,551 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,552 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-20 06:28:54,552 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-20 06:28:54,552 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-20 06:28:54,552 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-20 06:28:54,552 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-20 06:28:54,552 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-20 06:28:54,552 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-20 06:28:54,552 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-20 06:28:54,552 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-20 06:28:54,552 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-20 06:28:54,553 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-20 06:28:54,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:28:54 BoogieIcfgContainer [2019-11-20 06:28:54,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 06:28:54,572 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:28:54,572 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:28:54,572 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:28:54,573 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:45" (3/4) ... [2019-11-20 06:28:54,576 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 06:28:54,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 06:28:54,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 06:28:54,788 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0302705d-f60d-4ff9-a796-e961a60bc9e4/bin/uautomizer/witness.graphml [2019-11-20 06:28:54,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:28:54,789 INFO L168 Benchmark]: Toolchain (without parser) took 11097.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.3 MB). Free memory was 943.4 MB in the beginning and 835.5 MB in the end (delta: 107.9 MB). Peak memory consumption was 417.2 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:54,790 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:28:54,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:54,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.74 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:54,792 INFO L168 Benchmark]: Boogie Preprocessor took 77.04 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:54,792 INFO L168 Benchmark]: RCFGBuilder took 1268.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.7 MB in the end (delta: 103.4 MB). Peak memory consumption was 103.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:54,793 INFO L168 Benchmark]: TraceAbstraction took 8807.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 983.7 MB in the beginning and 857.9 MB in the end (delta: 125.8 MB). Peak memory consumption was 309.8 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:54,793 INFO L168 Benchmark]: Witness Printer took 215.86 ms. Allocated memory is still 1.3 GB. Free memory was 857.9 MB in the beginning and 835.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:28:54,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 640.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.74 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.04 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1268.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.7 MB in the end (delta: 103.4 MB). Peak memory consumption was 103.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8807.03 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 983.7 MB in the beginning and 857.9 MB in the end (delta: 125.8 MB). Peak memory consumption was 309.8 MB. Max. memory is 11.5 GB. * Witness Printer took 215.86 ms. Allocated memory is still 1.3 GB. Free memory was 857.9 MB in the beginning and 835.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 469]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && a17 == 8)) || (a19 <= 0 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || (a28 == 9 && a19 <= 0)) || (10 <= a28 && (((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((a19 == 1 && !(a25 == 1)) && a11 == 1)))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a28 == 9 && a17 == 8) && a11 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.7s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1152 SDtfs, 1599 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 254 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 289 HoareAnnotationTreeSize, 3 FomulaSimplifications, 606 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 312 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1359 NumberOfCodeBlocks, 1359 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1350 ConstructedInterpolants, 0 QuantifiedInterpolants, 442232 SizeOfPredicates, 1 NumberOfNonLiveVariables, 408 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 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...