./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/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 ed0ef8676714c03e409913657b72922b069856bc ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:51:22,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:22,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:22,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:22,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:22,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:22,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:22,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:22,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:22,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:22,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:22,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:22,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:22,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:22,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:22,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:22,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:22,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:22,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:22,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:22,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:22,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:22,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:22,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:22,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:22,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:22,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:22,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:22,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:22,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:22,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:22,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:22,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:22,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:22,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:22,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:22,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:22,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:22,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:22,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:22,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:22,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:51:22,327 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:22,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:22,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:22,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:22,331 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:22,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:22,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:22,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:51:22,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:22,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:22,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:51:22,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:51:22,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:51:22,333 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:22,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:22,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:22,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:51:22,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:22,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:22,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:51:22,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:51:22,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:22,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:22,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:51:22,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:51:22,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:51:22,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:51:22,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:51:22,336 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_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/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 -> ed0ef8676714c03e409913657b72922b069856bc [2019-11-25 08:51:22,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:22,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:22,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:22,497 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:22,498 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:22,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2019-11-25 08:51:22,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/data/6cbf311f2/e1ef9966415d43a898d619be68b9bbc2/FLAG29ef92c89 [2019-11-25 08:51:23,154 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:23,155 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2019-11-25 08:51:23,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/data/6cbf311f2/e1ef9966415d43a898d619be68b9bbc2/FLAG29ef92c89 [2019-11-25 08:51:23,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/data/6cbf311f2/e1ef9966415d43a898d619be68b9bbc2 [2019-11-25 08:51:23,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:23,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:23,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:23,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:23,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:23,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:23" (1/1) ... [2019-11-25 08:51:23,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e94434d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:23, skipping insertion in model container [2019-11-25 08:51:23,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:23" (1/1) ... [2019-11-25 08:51:23,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:23,603 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:24,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:24,331 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:24,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:24,571 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:24,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24 WrapperNode [2019-11-25 08:51:24,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:24,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:24,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:24,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:24,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (1/1) ... [2019-11-25 08:51:24,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (1/1) ... [2019-11-25 08:51:24,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:24,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:24,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:24,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:24,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (1/1) ... [2019-11-25 08:51:24,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (1/1) ... [2019-11-25 08:51:24,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (1/1) ... [2019-11-25 08:51:24,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (1/1) ... [2019-11-25 08:51:24,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (1/1) ... [2019-11-25 08:51:24,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (1/1) ... [2019-11-25 08:51:24,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (1/1) ... [2019-11-25 08:51:24,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:24,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:24,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:24,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:24,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/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 [2019-11-25 08:51:24,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:27,170 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:27,170 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:51:27,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:27 BoogieIcfgContainer [2019-11-25 08:51:27,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:27,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:51:27,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:51:27,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:51:27,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:51:23" (1/3) ... [2019-11-25 08:51:27,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691a9bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:27, skipping insertion in model container [2019-11-25 08:51:27,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:24" (2/3) ... [2019-11-25 08:51:27,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691a9bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:27, skipping insertion in model container [2019-11-25 08:51:27,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:27" (3/3) ... [2019-11-25 08:51:27,180 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label48.c [2019-11-25 08:51:27,189 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:51:27,197 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:51:27,207 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:51:27,242 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:51:27,242 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:51:27,242 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:51:27,242 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:27,242 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:27,242 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:51:27,243 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:27,243 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:51:27,269 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-11-25 08:51:27,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-25 08:51:27,295 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:27,296 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:27,297 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:27,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:27,302 INFO L82 PathProgramCache]: Analyzing trace with hash -819677325, now seen corresponding path program 1 times [2019-11-25 08:51:27,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:27,310 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139526726] [2019-11-25 08:51:27,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:28,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:28,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139526726] [2019-11-25 08:51:28,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:28,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:28,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768969478] [2019-11-25 08:51:28,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:51:28,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:28,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:51:28,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:51:28,029 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-11-25 08:51:30,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:30,247 INFO L93 Difference]: Finished difference Result 1075 states and 1929 transitions. [2019-11-25 08:51:30,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:51:30,248 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 183 [2019-11-25 08:51:30,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:30,266 INFO L225 Difference]: With dead ends: 1075 [2019-11-25 08:51:30,266 INFO L226 Difference]: Without dead ends: 677 [2019-11-25 08:51:30,271 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 [2019-11-25 08:51:30,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2019-11-25 08:51:30,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 451. [2019-11-25 08:51:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-11-25 08:51:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 700 transitions. [2019-11-25 08:51:30,338 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 700 transitions. Word has length 183 [2019-11-25 08:51:30,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:30,339 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 700 transitions. [2019-11-25 08:51:30,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:51:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 700 transitions. [2019-11-25 08:51:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-25 08:51:30,343 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:30,344 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:30,344 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:30,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:30,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1598798580, now seen corresponding path program 1 times [2019-11-25 08:51:30,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:30,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038334436] [2019-11-25 08:51:30,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:30,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038334436] [2019-11-25 08:51:30,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:30,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:51:30,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887602887] [2019-11-25 08:51:30,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:30,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:30,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:30,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:30,444 INFO L87 Difference]: Start difference. First operand 451 states and 700 transitions. Second operand 3 states. [2019-11-25 08:51:31,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:31,408 INFO L93 Difference]: Finished difference Result 1323 states and 2069 transitions. [2019-11-25 08:51:31,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:31,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-11-25 08:51:31,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:31,414 INFO L225 Difference]: With dead ends: 1323 [2019-11-25 08:51:31,414 INFO L226 Difference]: Without dead ends: 874 [2019-11-25 08:51:31,417 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 [2019-11-25 08:51:31,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-25 08:51:31,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 859. [2019-11-25 08:51:31,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2019-11-25 08:51:31,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1316 transitions. [2019-11-25 08:51:31,451 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1316 transitions. Word has length 191 [2019-11-25 08:51:31,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:31,452 INFO L462 AbstractCegarLoop]: Abstraction has 859 states and 1316 transitions. [2019-11-25 08:51:31,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:31,452 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1316 transitions. [2019-11-25 08:51:31,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-25 08:51:31,456 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:31,456 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:31,456 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:31,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:31,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1173366829, now seen corresponding path program 1 times [2019-11-25 08:51:31,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:31,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471832012] [2019-11-25 08:51:31,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:31,534 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471832012] [2019-11-25 08:51:31,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:31,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:31,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461484754] [2019-11-25 08:51:31,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:51:31,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:31,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:51:31,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:51:31,537 INFO L87 Difference]: Start difference. First operand 859 states and 1316 transitions. Second operand 4 states. [2019-11-25 08:51:33,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:33,497 INFO L93 Difference]: Finished difference Result 3364 states and 5170 transitions. [2019-11-25 08:51:33,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:51:33,498 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2019-11-25 08:51:33,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:33,514 INFO L225 Difference]: With dead ends: 3364 [2019-11-25 08:51:33,514 INFO L226 Difference]: Without dead ends: 2507 [2019-11-25 08:51:33,516 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 [2019-11-25 08:51:33,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2019-11-25 08:51:33,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 1682. [2019-11-25 08:51:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2019-11-25 08:51:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2434 transitions. [2019-11-25 08:51:33,565 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2434 transitions. Word has length 192 [2019-11-25 08:51:33,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:33,567 INFO L462 AbstractCegarLoop]: Abstraction has 1682 states and 2434 transitions. [2019-11-25 08:51:33,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:51:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2434 transitions. [2019-11-25 08:51:33,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-25 08:51:33,580 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:33,581 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:33,581 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:33,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:33,582 INFO L82 PathProgramCache]: Analyzing trace with hash -73581847, now seen corresponding path program 1 times [2019-11-25 08:51:33,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:33,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774379687] [2019-11-25 08:51:33,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-25 08:51:33,860 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774379687] [2019-11-25 08:51:33,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:33,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:51:33,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937019543] [2019-11-25 08:51:33,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:51:33,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:33,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:51:33,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:51:33,862 INFO L87 Difference]: Start difference. First operand 1682 states and 2434 transitions. Second operand 4 states. [2019-11-25 08:51:35,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:35,506 INFO L93 Difference]: Finished difference Result 6614 states and 9588 transitions. [2019-11-25 08:51:35,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:51:35,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 198 [2019-11-25 08:51:35,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:35,537 INFO L225 Difference]: With dead ends: 6614 [2019-11-25 08:51:35,537 INFO L226 Difference]: Without dead ends: 4934 [2019-11-25 08:51:35,541 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 [2019-11-25 08:51:35,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4934 states. [2019-11-25 08:51:35,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4934 to 4932. [2019-11-25 08:51:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4932 states. [2019-11-25 08:51:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 6537 transitions. [2019-11-25 08:51:35,716 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 6537 transitions. Word has length 198 [2019-11-25 08:51:35,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:35,717 INFO L462 AbstractCegarLoop]: Abstraction has 4932 states and 6537 transitions. [2019-11-25 08:51:35,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:51:35,717 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 6537 transitions. [2019-11-25 08:51:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-25 08:51:35,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:35,731 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:35,731 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:35,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:35,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1185291772, now seen corresponding path program 1 times [2019-11-25 08:51:35,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:35,732 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252493915] [2019-11-25 08:51:35,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:35,878 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252493915] [2019-11-25 08:51:35,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:35,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:51:35,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027012139] [2019-11-25 08:51:35,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:35,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:35,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:35,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:35,880 INFO L87 Difference]: Start difference. First operand 4932 states and 6537 transitions. Second operand 3 states. [2019-11-25 08:51:37,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:37,008 INFO L93 Difference]: Finished difference Result 11905 states and 15682 transitions. [2019-11-25 08:51:37,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:37,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2019-11-25 08:51:37,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:37,044 INFO L225 Difference]: With dead ends: 11905 [2019-11-25 08:51:37,044 INFO L226 Difference]: Without dead ends: 6975 [2019-11-25 08:51:37,051 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 [2019-11-25 08:51:37,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6975 states. [2019-11-25 08:51:37,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6975 to 6974. [2019-11-25 08:51:37,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6974 states. [2019-11-25 08:51:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6974 states to 6974 states and 8983 transitions. [2019-11-25 08:51:37,179 INFO L78 Accepts]: Start accepts. Automaton has 6974 states and 8983 transitions. Word has length 224 [2019-11-25 08:51:37,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:37,179 INFO L462 AbstractCegarLoop]: Abstraction has 6974 states and 8983 transitions. [2019-11-25 08:51:37,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:37,179 INFO L276 IsEmpty]: Start isEmpty. Operand 6974 states and 8983 transitions. [2019-11-25 08:51:37,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-25 08:51:37,195 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:37,195 INFO L410 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:37,196 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:37,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:37,196 INFO L82 PathProgramCache]: Analyzing trace with hash -321194833, now seen corresponding path program 1 times [2019-11-25 08:51:37,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:37,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338977378] [2019-11-25 08:51:37,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:37,449 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:37,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338977378] [2019-11-25 08:51:37,449 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645064847] [2019-11-25 08:51:37,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/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 [2019-11-25 08:51:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:37,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:51:37,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-25 08:51:37,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:51:37,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-25 08:51:37,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23010920] [2019-11-25 08:51:37,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:37,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:37,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:37,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:51:37,745 INFO L87 Difference]: Start difference. First operand 6974 states and 8983 transitions. Second operand 3 states. [2019-11-25 08:51:39,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:39,043 INFO L93 Difference]: Finished difference Result 19432 states and 24902 transitions. [2019-11-25 08:51:39,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:39,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-11-25 08:51:39,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:39,112 INFO L225 Difference]: With dead ends: 19432 [2019-11-25 08:51:39,112 INFO L226 Difference]: Without dead ends: 12460 [2019-11-25 08:51:39,120 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:51:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12460 states. [2019-11-25 08:51:39,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12460 to 12459. [2019-11-25 08:51:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12459 states. [2019-11-25 08:51:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12459 states to 12459 states and 15314 transitions. [2019-11-25 08:51:39,328 INFO L78 Accepts]: Start accepts. Automaton has 12459 states and 15314 transitions. Word has length 231 [2019-11-25 08:51:39,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:39,332 INFO L462 AbstractCegarLoop]: Abstraction has 12459 states and 15314 transitions. [2019-11-25 08:51:39,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 12459 states and 15314 transitions. [2019-11-25 08:51:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-25 08:51:39,359 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:39,359 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:39,564 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:51:39,564 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:39,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:39,564 INFO L82 PathProgramCache]: Analyzing trace with hash 768090626, now seen corresponding path program 1 times [2019-11-25 08:51:39,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:39,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871843711] [2019-11-25 08:51:39,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:39,759 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:39,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871843711] [2019-11-25 08:51:39,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:39,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:39,760 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979206996] [2019-11-25 08:51:39,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:51:39,761 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:39,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:51:39,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:51:39,761 INFO L87 Difference]: Start difference. First operand 12459 states and 15314 transitions. Second operand 4 states. [2019-11-25 08:51:41,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:41,190 INFO L93 Difference]: Finished difference Result 30647 states and 37340 transitions. [2019-11-25 08:51:41,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:51:41,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 246 [2019-11-25 08:51:41,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:41,222 INFO L225 Difference]: With dead ends: 30647 [2019-11-25 08:51:41,222 INFO L226 Difference]: Without dead ends: 18190 [2019-11-25 08:51:41,237 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 [2019-11-25 08:51:41,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18190 states. [2019-11-25 08:51:41,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18190 to 14503. [2019-11-25 08:51:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14503 states. [2019-11-25 08:51:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 17503 transitions. [2019-11-25 08:51:41,530 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 17503 transitions. Word has length 246 [2019-11-25 08:51:41,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:41,530 INFO L462 AbstractCegarLoop]: Abstraction has 14503 states and 17503 transitions. [2019-11-25 08:51:41,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:51:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 17503 transitions. [2019-11-25 08:51:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-25 08:51:41,559 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:41,559 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:41,559 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:41,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:41,560 INFO L82 PathProgramCache]: Analyzing trace with hash 2030031962, now seen corresponding path program 1 times [2019-11-25 08:51:41,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:41,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347373050] [2019-11-25 08:51:41,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:41,673 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-25 08:51:41,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347373050] [2019-11-25 08:51:41,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:41,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:41,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188976945] [2019-11-25 08:51:41,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:51:41,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:41,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:51:41,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:51:41,675 INFO L87 Difference]: Start difference. First operand 14503 states and 17503 transitions. Second operand 4 states. [2019-11-25 08:51:42,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:42,736 INFO L93 Difference]: Finished difference Result 29005 states and 35006 transitions. [2019-11-25 08:51:42,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:42,736 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 248 [2019-11-25 08:51:42,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:42,761 INFO L225 Difference]: With dead ends: 29005 [2019-11-25 08:51:42,761 INFO L226 Difference]: Without dead ends: 14504 [2019-11-25 08:51:42,776 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 [2019-11-25 08:51:42,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14504 states. [2019-11-25 08:51:42,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14504 to 14503. [2019-11-25 08:51:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14503 states. [2019-11-25 08:51:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 16848 transitions. [2019-11-25 08:51:42,946 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 16848 transitions. Word has length 248 [2019-11-25 08:51:42,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:42,946 INFO L462 AbstractCegarLoop]: Abstraction has 14503 states and 16848 transitions. [2019-11-25 08:51:42,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:51:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 16848 transitions. [2019-11-25 08:51:42,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-25 08:51:42,989 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:42,989 INFO L410 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:42,990 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:42,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:42,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1718686317, now seen corresponding path program 1 times [2019-11-25 08:51:42,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:42,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184068239] [2019-11-25 08:51:42,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:43,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184068239] [2019-11-25 08:51:43,195 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577365204] [2019-11-25 08:51:43,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:51:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:43,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:51:43,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-25 08:51:43,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:51:43,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-25 08:51:43,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759657272] [2019-11-25 08:51:43,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:43,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:43,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:43,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:51:43,487 INFO L87 Difference]: Start difference. First operand 14503 states and 16848 transitions. Second operand 3 states. [2019-11-25 08:51:44,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:44,780 INFO L93 Difference]: Finished difference Result 37557 states and 43797 transitions. [2019-11-25 08:51:44,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:44,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-11-25 08:51:44,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:44,809 INFO L225 Difference]: With dead ends: 37557 [2019-11-25 08:51:44,810 INFO L226 Difference]: Without dead ends: 23056 [2019-11-25 08:51:44,825 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:51:44,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23056 states. [2019-11-25 08:51:45,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23056 to 23029. [2019-11-25 08:51:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23029 states. [2019-11-25 08:51:45,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23029 states to 23029 states and 26631 transitions. [2019-11-25 08:51:45,090 INFO L78 Accepts]: Start accepts. Automaton has 23029 states and 26631 transitions. Word has length 253 [2019-11-25 08:51:45,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:45,090 INFO L462 AbstractCegarLoop]: Abstraction has 23029 states and 26631 transitions. [2019-11-25 08:51:45,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:45,090 INFO L276 IsEmpty]: Start isEmpty. Operand 23029 states and 26631 transitions. [2019-11-25 08:51:45,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-11-25 08:51:45,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:45,122 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:45,326 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:51:45,326 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:45,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:45,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1626982926, now seen corresponding path program 1 times [2019-11-25 08:51:45,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:45,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888971562] [2019-11-25 08:51:45,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:45,536 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-25 08:51:45,536 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888971562] [2019-11-25 08:51:45,536 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619496263] [2019-11-25 08:51:45,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:51:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:45,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-25 08:51:45,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-25 08:51:45,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:51:45,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-25 08:51:45,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688013432] [2019-11-25 08:51:45,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:45,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:45,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:45,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:51:45,767 INFO L87 Difference]: Start difference. First operand 23029 states and 26631 transitions. Second operand 3 states. [2019-11-25 08:51:46,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:46,767 INFO L93 Difference]: Finished difference Result 46059 states and 53264 transitions. [2019-11-25 08:51:46,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:46,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2019-11-25 08:51:46,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:46,790 INFO L225 Difference]: With dead ends: 46059 [2019-11-25 08:51:46,790 INFO L226 Difference]: Without dead ends: 23032 [2019-11-25 08:51:46,803 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:51:46,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23032 states. [2019-11-25 08:51:47,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23032 to 20999. [2019-11-25 08:51:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20999 states. [2019-11-25 08:51:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20999 states to 20999 states and 23688 transitions. [2019-11-25 08:51:47,231 INFO L78 Accepts]: Start accepts. Automaton has 20999 states and 23688 transitions. Word has length 261 [2019-11-25 08:51:47,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:47,232 INFO L462 AbstractCegarLoop]: Abstraction has 20999 states and 23688 transitions. [2019-11-25 08:51:47,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 20999 states and 23688 transitions. [2019-11-25 08:51:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-11-25 08:51:47,250 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:47,251 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:47,454 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:51:47,454 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:47,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:47,455 INFO L82 PathProgramCache]: Analyzing trace with hash -2109683622, now seen corresponding path program 1 times [2019-11-25 08:51:47,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:47,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217175526] [2019-11-25 08:51:47,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-25 08:51:47,588 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217175526] [2019-11-25 08:51:47,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:47,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:47,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585960165] [2019-11-25 08:51:47,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:47,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:47,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:47,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:47,590 INFO L87 Difference]: Start difference. First operand 20999 states and 23688 transitions. Second operand 3 states. [2019-11-25 08:51:48,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:48,156 INFO L93 Difference]: Finished difference Result 38917 states and 43741 transitions. [2019-11-25 08:51:48,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:48,157 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2019-11-25 08:51:48,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:48,172 INFO L225 Difference]: With dead ends: 38917 [2019-11-25 08:51:48,172 INFO L226 Difference]: Without dead ends: 17920 [2019-11-25 08:51:48,181 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 [2019-11-25 08:51:48,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17920 states. [2019-11-25 08:51:48,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17920 to 16702. [2019-11-25 08:51:48,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16702 states. [2019-11-25 08:51:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16702 states to 16702 states and 18608 transitions. [2019-11-25 08:51:48,357 INFO L78 Accepts]: Start accepts. Automaton has 16702 states and 18608 transitions. Word has length 274 [2019-11-25 08:51:48,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:48,357 INFO L462 AbstractCegarLoop]: Abstraction has 16702 states and 18608 transitions. [2019-11-25 08:51:48,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:48,358 INFO L276 IsEmpty]: Start isEmpty. Operand 16702 states and 18608 transitions. [2019-11-25 08:51:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-11-25 08:51:48,375 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:48,375 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:48,376 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:48,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:48,376 INFO L82 PathProgramCache]: Analyzing trace with hash -5984517, now seen corresponding path program 1 times [2019-11-25 08:51:48,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:48,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898136607] [2019-11-25 08:51:48,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:48,651 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-25 08:51:48,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898136607] [2019-11-25 08:51:48,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845002643] [2019-11-25 08:51:48,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:51:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:48,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:51:48,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:51:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-25 08:51:49,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 08:51:49,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-25 08:51:49,041 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078232801] [2019-11-25 08:51:49,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:49,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:49,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:49,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:51:49,047 INFO L87 Difference]: Start difference. First operand 16702 states and 18608 transitions. Second operand 3 states. [2019-11-25 08:51:50,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:50,451 INFO L93 Difference]: Finished difference Result 34219 states and 38120 transitions. [2019-11-25 08:51:50,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:50,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2019-11-25 08:51:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:50,453 INFO L225 Difference]: With dead ends: 34219 [2019-11-25 08:51:50,453 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:51:50,463 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:51:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:51:50,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:51:50,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:51:50,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:51:50,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2019-11-25 08:51:50,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:50,465 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:51:50,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:51:50,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:51:50,668 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:51:50,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:51:50,913 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 127 [2019-11-25 08:51:51,123 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 127 [2019-11-25 08:51:52,028 WARN L192 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2019-11-25 08:51:52,795 WARN L192 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2019-11-25 08:51:52,797 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-25 08:51:52,797 INFO L444 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-11-25 08:51:52,797 INFO L444 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,797 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,797 INFO L444 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,798 INFO L444 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,799 INFO L444 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-11-25 08:51:52,800 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,801 INFO L444 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,802 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-11-25 08:51:52,803 INFO L444 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-11-25 08:51:52,804 INFO L444 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,805 INFO L444 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,806 INFO L444 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-11-25 08:51:52,807 INFO L444 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-11-25 08:51:52,808 INFO L444 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,808 INFO L444 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,808 INFO L444 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,808 INFO L440 ceAbstractionStarter]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse1 (= 1 ~a6~0))) (let ((.cse3 (= 0 ~a3~0)) (.cse10 (not .cse1)) (.cse6 (<= ~a11~0 0)) (.cse7 (not (= 1 ~a3~0))) (.cse2 (not (= ~a12~0 1))) (.cse9 (<= ~a27~0 0)) (.cse5 (= ~a26~0 1)) (.cse8 (= ~a27~0 1)) (.cse0 (= 1 ~a5~0)) (.cse4 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse8 .cse6 .cse7) (and .cse0 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse6 .cse9) (and .cse0 .cse8 .cse6 .cse5) (and .cse0 .cse2 .cse4 .cse10 .cse9 .cse7) (and .cse0 .cse8 .cse6 .cse2) (and .cse0 .cse6 .cse3 .cse9) (and .cse0 .cse6 .cse2 .cse10 .cse9) (and .cse0 .cse6 .cse5 .cse9 .cse7) (and .cse0 .cse8 .cse2 .cse4) (and .cse0 .cse1 .cse4 .cse9) (and .cse0 .cse8 .cse4 .cse5) (and .cse8 .cse0 .cse1 .cse4)))) [2019-11-25 08:51:52,808 INFO L444 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,808 INFO L444 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,808 INFO L444 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,808 INFO L444 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-11-25 08:51:52,809 INFO L444 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-11-25 08:51:52,809 INFO L444 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,809 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,809 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:51:52,809 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1584) no Hoare annotation was computed. [2019-11-25 08:51:52,811 INFO L444 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,811 INFO L447 ceAbstractionStarter]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-11-25 08:51:52,811 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,811 INFO L444 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,811 INFO L444 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,811 INFO L444 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,811 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,811 INFO L444 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,811 INFO L444 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-11-25 08:51:52,811 INFO L444 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-11-25 08:51:52,811 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-11-25 08:51:52,812 INFO L444 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L440 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse1 (= 1 ~a6~0))) (let ((.cse3 (= 0 ~a3~0)) (.cse10 (not .cse1)) (.cse6 (<= ~a11~0 0)) (.cse7 (not (= 1 ~a3~0))) (.cse2 (not (= ~a12~0 1))) (.cse9 (<= ~a27~0 0)) (.cse5 (= ~a26~0 1)) (.cse8 (= ~a27~0 1)) (.cse0 (= 1 ~a5~0)) (.cse4 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse8 .cse6 .cse7) (and .cse0 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse6 .cse9) (and .cse0 .cse8 .cse6 .cse5) (and .cse0 .cse2 .cse4 .cse10 .cse9 .cse7) (and .cse0 .cse8 .cse6 .cse2) (and .cse0 .cse6 .cse3 .cse9) (and .cse0 .cse6 .cse2 .cse10 .cse9) (and .cse0 .cse6 .cse5 .cse9 .cse7) (and .cse0 .cse8 .cse2 .cse4) (and .cse0 .cse1 .cse4 .cse9) (and .cse0 .cse8 .cse4 .cse5) (and .cse8 .cse0 .cse1 .cse4)))) [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,813 INFO L444 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-11-25 08:51:52,814 INFO L444 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-11-25 08:51:52,815 INFO L444 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,816 INFO L444 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-11-25 08:51:52,817 INFO L444 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,818 INFO L444 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-11-25 08:51:52,818 INFO L444 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-11-25 08:51:52,818 INFO L444 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-11-25 08:51:52,818 INFO L444 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,818 INFO L444 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,818 INFO L444 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,818 INFO L444 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,818 INFO L444 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,819 INFO L444 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-11-25 08:51:52,819 INFO L444 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-11-25 08:51:52,819 INFO L444 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,819 INFO L444 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,819 INFO L444 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,819 INFO L444 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-11-25 08:51:52,819 INFO L444 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-11-25 08:51:52,820 INFO L444 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,820 INFO L444 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-11-25 08:51:52,820 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,820 INFO L444 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,820 INFO L444 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,820 INFO L444 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,820 INFO L444 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,820 INFO L444 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,821 INFO L444 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,821 INFO L444 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,821 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,821 INFO L444 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,821 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:51:52,821 INFO L444 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-11-25 08:51:52,821 INFO L444 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-11-25 08:51:52,822 INFO L444 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-11-25 08:51:52,822 INFO L444 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,822 INFO L444 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-11-25 08:51:52,822 INFO L444 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-11-25 08:51:52,822 INFO L444 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,822 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,822 INFO L444 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,822 INFO L444 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,823 INFO L444 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,823 INFO L444 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,823 INFO L444 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,823 INFO L444 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,823 INFO L444 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,823 INFO L444 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-11-25 08:51:52,823 INFO L444 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-11-25 08:51:52,823 INFO L444 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-11-25 08:51:52,824 INFO L444 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,824 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,824 INFO L444 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,824 INFO L444 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,824 INFO L444 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-11-25 08:51:52,824 INFO L444 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,824 INFO L444 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-11-25 08:51:52,825 INFO L444 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-11-25 08:51:52,825 INFO L444 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,825 INFO L444 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-11-25 08:51:52,825 INFO L444 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-11-25 08:51:52,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:51:52 BoogieIcfgContainer [2019-11-25 08:51:52,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:51:52,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:51:52,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:51:52,857 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:51:52,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:27" (3/4) ... [2019-11-25 08:51:52,861 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:51:52,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-25 08:51:52,904 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:51:53,132 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cff9b55a-aac4-4979-bd9d-a5d0b6ef6a27/bin/uautomizer/witness.graphml [2019-11-25 08:51:53,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:51:53,133 INFO L168 Benchmark]: Toolchain (without parser) took 29612.23 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 938.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -205.0 MB). Peak memory consumption was 733.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:53,134 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:53,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1051.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:53,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.34 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:53,135 INFO L168 Benchmark]: Boogie Preprocessor took 101.02 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:53,135 INFO L168 Benchmark]: RCFGBuilder took 2365.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -127.4 MB). Peak memory consumption was 243.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:53,136 INFO L168 Benchmark]: TraceAbstraction took 25684.17 ms. Allocated memory was 1.3 GB in the beginning and 2.0 GB in the end (delta: 676.3 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 520.9 kB). Peak memory consumption was 676.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:53,136 INFO L168 Benchmark]: Witness Printer took 275.28 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:53,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1051.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 131.34 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 101.02 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2365.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 89.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -127.4 MB). Peak memory consumption was 243.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25684.17 ms. Allocated memory was 1.3 GB in the beginning and 2.0 GB in the end (delta: 676.3 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 520.9 kB). Peak memory consumption was 676.9 MB. Max. memory is 11.5 GB. * Witness Printer took 275.28 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1584]: 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: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((1 == a5 && 1 == a6) && !(a12 == 1)) && 0 == a3) && a11 == 1) && a26 == 1) || ((((1 == a5 && 1 == a6) && !(a12 == 1)) && a11 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && a11 <= 0) && !(1 == a3))) || (((1 == a5 && a11 == 1) && a26 == 1) && a27 <= 0)) || (((1 == a5 && 1 == a6) && a11 <= 0) && a27 <= 0)) || (((1 == a5 && a27 == 1) && a11 <= 0) && a26 == 1)) || (((((1 == a5 && !(a12 == 1)) && a11 == 1) && !(1 == a6)) && a27 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && a11 <= 0) && !(a12 == 1))) || (((1 == a5 && a11 <= 0) && 0 == a3) && a27 <= 0)) || ((((1 == a5 && a11 <= 0) && !(a12 == 1)) && !(1 == a6)) && a27 <= 0)) || ((((1 == a5 && a11 <= 0) && a26 == 1) && a27 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && !(a12 == 1)) && a11 == 1)) || (((1 == a5 && 1 == a6) && a11 == 1) && a27 <= 0)) || (((1 == a5 && a27 == 1) && a11 == 1) && a26 == 1)) || (((a27 == 1 && 1 == a5) && 1 == a6) && a11 == 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((((((((((1 == a5 && 1 == a6) && !(a12 == 1)) && 0 == a3) && a11 == 1) && a26 == 1) || ((((1 == a5 && 1 == a6) && !(a12 == 1)) && a11 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && a11 <= 0) && !(1 == a3))) || (((1 == a5 && a11 == 1) && a26 == 1) && a27 <= 0)) || (((1 == a5 && 1 == a6) && a11 <= 0) && a27 <= 0)) || (((1 == a5 && a27 == 1) && a11 <= 0) && a26 == 1)) || (((((1 == a5 && !(a12 == 1)) && a11 == 1) && !(1 == a6)) && a27 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && a11 <= 0) && !(a12 == 1))) || (((1 == a5 && a11 <= 0) && 0 == a3) && a27 <= 0)) || ((((1 == a5 && a11 <= 0) && !(a12 == 1)) && !(1 == a6)) && a27 <= 0)) || ((((1 == a5 && a11 <= 0) && a26 == 1) && a27 <= 0) && !(1 == a3))) || (((1 == a5 && a27 == 1) && !(a12 == 1)) && a11 == 1)) || (((1 == a5 && 1 == a6) && a11 == 1) && a27 <= 0)) || (((1 == a5 && a27 == 1) && a11 == 1) && a26 == 1)) || (((a27 == 1 && 1 == a5) && 1 == a6) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 25.5s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 16.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, HoareTripleCheckerStatistics: 2551 SDtfs, 3417 SDslu, 376 SDs, 0 SdLazy, 8804 SolverSat, 1783 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1148 GetRequests, 1114 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23029occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 8036 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 178 NumberOfFragments, 459 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4642 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3860 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3972 NumberOfCodeBlocks, 3972 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3956 ConstructedInterpolants, 0 QuantifiedInterpolants, 2241517 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1906 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 1400/1412 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...