./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c -s /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5f1f3e9c958502587d73771213325403adeeeeae ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 16:16:46,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:16:46,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:16:46,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:16:46,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:16:46,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:16:46,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:16:46,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:16:46,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:16:46,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:16:46,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:16:46,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:16:46,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:16:46,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:16:46,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:16:46,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:16:46,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:16:46,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:16:46,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:16:46,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:16:46,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:16:46,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:16:46,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:16:46,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:16:46,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:16:46,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:16:46,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:16:46,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:16:46,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:16:46,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:16:46,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:16:46,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:16:46,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:16:46,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:16:46,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:16:46,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:16:46,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:16:46,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:16:46,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:16:46,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:16:46,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:16:46,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:16:46,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:16:46,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:16:46,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:16:46,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:16:46,340 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:16:46,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:16:46,340 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:16:46,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:16:46,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:16:46,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:16:46,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:16:46,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:16:46,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:16:46,341 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:16:46,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:16:46,342 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:16:46,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:16:46,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:16:46,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:16:46,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:16:46,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:16:46,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:16:46,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:16:46,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:16:46,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:16:46,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:16:46,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:16:46,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:16:46,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:16:46,344 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_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f1f3e9c958502587d73771213325403adeeeeae [2019-12-07 16:16:46,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:16:46,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:16:46,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:16:46,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:16:46,458 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:16:46,458 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2019-12-07 16:16:46,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/data/1ac26be0a/8303cd9338ea484395c4c53e6d6ce188/FLAG2fa41a047 [2019-12-07 16:16:46,945 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:16:46,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/sv-benchmarks/c/eca-rers2012/Problem10_label59.c [2019-12-07 16:16:46,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/data/1ac26be0a/8303cd9338ea484395c4c53e6d6ce188/FLAG2fa41a047 [2019-12-07 16:16:46,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/data/1ac26be0a/8303cd9338ea484395c4c53e6d6ce188 [2019-12-07 16:16:46,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:16:46,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:16:46,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:16:46,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:16:46,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:16:46,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:16:46" (1/1) ... [2019-12-07 16:16:46,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffc5a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:46, skipping insertion in model container [2019-12-07 16:16:46,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:16:46" (1/1) ... [2019-12-07 16:16:46,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:16:47,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:16:47,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:16:47,253 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:16:47,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:16:47,320 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:16:47,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47 WrapperNode [2019-12-07 16:16:47,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:16:47,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:16:47,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:16:47,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:16:47,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (1/1) ... [2019-12-07 16:16:47,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (1/1) ... [2019-12-07 16:16:47,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:16:47,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:16:47,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:16:47,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:16:47,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (1/1) ... [2019-12-07 16:16:47,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (1/1) ... [2019-12-07 16:16:47,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (1/1) ... [2019-12-07 16:16:47,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (1/1) ... [2019-12-07 16:16:47,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (1/1) ... [2019-12-07 16:16:47,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (1/1) ... [2019-12-07 16:16:47,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (1/1) ... [2019-12-07 16:16:47,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:16:47,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:16:47,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:16:47,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:16:47,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/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 [2019-12-07 16:16:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:16:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:16:48,163 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:16:48,163 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 16:16:48,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:16:48 BoogieIcfgContainer [2019-12-07 16:16:48,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:16:48,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:16:48,165 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:16:48,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:16:48,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:16:46" (1/3) ... [2019-12-07 16:16:48,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753d56d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:16:48, skipping insertion in model container [2019-12-07 16:16:48,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:16:47" (2/3) ... [2019-12-07 16:16:48,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753d56d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:16:48, skipping insertion in model container [2019-12-07 16:16:48,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:16:48" (3/3) ... [2019-12-07 16:16:48,170 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label59.c [2019-12-07 16:16:48,176 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:16:48,181 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:16:48,189 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:16:48,206 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:16:48,206 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:16:48,206 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:16:48,207 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:16:48,207 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:16:48,207 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:16:48,207 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:16:48,207 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:16:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-12-07 16:16:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-07 16:16:48,228 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:48,229 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] [2019-12-07 16:16:48,229 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:48,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:48,233 INFO L82 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2019-12-07 16:16:48,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:48,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615030234] [2019-12-07 16:16:48,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:16:48,429 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615030234] [2019-12-07 16:16:48,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:48,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:16:48,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692568463] [2019-12-07 16:16:48,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:16:48,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:48,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:16:48,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:16:48,445 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-12-07 16:16:49,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:49,228 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-12-07 16:16:49,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:16:49,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2019-12-07 16:16:49,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:49,244 INFO L225 Difference]: With dead ends: 709 [2019-12-07 16:16:49,244 INFO L226 Difference]: Without dead ends: 421 [2019-12-07 16:16:49,247 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 [2019-12-07 16:16:49,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-12-07 16:16:49,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-12-07 16:16:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-12-07 16:16:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-12-07 16:16:49,295 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 65 [2019-12-07 16:16:49,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:49,296 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-12-07 16:16:49,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:16:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-12-07 16:16:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-07 16:16:49,300 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:49,300 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] [2019-12-07 16:16:49,301 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:49,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:49,301 INFO L82 PathProgramCache]: Analyzing trace with hash -2138327860, now seen corresponding path program 1 times [2019-12-07 16:16:49,301 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:49,301 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206400464] [2019-12-07 16:16:49,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:16:49,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206400464] [2019-12-07 16:16:49,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:49,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:16:49,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715945917] [2019-12-07 16:16:49,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:16:49,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:49,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:16:49,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:16:49,417 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 4 states. [2019-12-07 16:16:50,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:50,124 INFO L93 Difference]: Finished difference Result 1118 states and 1720 transitions. [2019-12-07 16:16:50,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:16:50,125 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2019-12-07 16:16:50,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:50,129 INFO L225 Difference]: With dead ends: 1118 [2019-12-07 16:16:50,129 INFO L226 Difference]: Without dead ends: 838 [2019-12-07 16:16:50,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:16:50,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-12-07 16:16:50,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2019-12-07 16:16:50,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2019-12-07 16:16:50,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1138 transitions. [2019-12-07 16:16:50,155 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1138 transitions. Word has length 131 [2019-12-07 16:16:50,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:50,155 INFO L462 AbstractCegarLoop]: Abstraction has 838 states and 1138 transitions. [2019-12-07 16:16:50,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:16:50,156 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1138 transitions. [2019-12-07 16:16:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-07 16:16:50,159 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:50,159 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] [2019-12-07 16:16:50,159 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:50,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:50,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1097584517, now seen corresponding path program 1 times [2019-12-07 16:16:50,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:50,160 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798916169] [2019-12-07 16:16:50,160 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:16:50,233 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798916169] [2019-12-07 16:16:50,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:50,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:16:50,234 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137074625] [2019-12-07 16:16:50,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:16:50,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:50,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:16:50,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:16:50,235 INFO L87 Difference]: Start difference. First operand 838 states and 1138 transitions. Second operand 4 states. [2019-12-07 16:16:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:50,783 INFO L93 Difference]: Finished difference Result 1952 states and 2682 transitions. [2019-12-07 16:16:50,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:16:50,784 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2019-12-07 16:16:50,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:50,788 INFO L225 Difference]: With dead ends: 1952 [2019-12-07 16:16:50,789 INFO L226 Difference]: Without dead ends: 1116 [2019-12-07 16:16:50,790 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 [2019-12-07 16:16:50,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-12-07 16:16:50,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2019-12-07 16:16:50,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-12-07 16:16:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1386 transitions. [2019-12-07 16:16:50,808 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1386 transitions. Word has length 142 [2019-12-07 16:16:50,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:50,809 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1386 transitions. [2019-12-07 16:16:50,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:16:50,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1386 transitions. [2019-12-07 16:16:50,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-07 16:16:50,811 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:50,811 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] [2019-12-07 16:16:50,812 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:50,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:50,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1600410530, now seen corresponding path program 1 times [2019-12-07 16:16:50,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:50,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924124261] [2019-12-07 16:16:50,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:16:50,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924124261] [2019-12-07 16:16:50,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:50,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 16:16:50,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904950601] [2019-12-07 16:16:50,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 16:16:50,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:50,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 16:16:50,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 16:16:50,916 INFO L87 Difference]: Start difference. First operand 1116 states and 1386 transitions. Second operand 4 states. [2019-12-07 16:16:51,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:51,516 INFO L93 Difference]: Finished difference Result 3759 states and 4676 transitions. [2019-12-07 16:16:51,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:16:51,516 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2019-12-07 16:16:51,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:51,526 INFO L225 Difference]: With dead ends: 3759 [2019-12-07 16:16:51,526 INFO L226 Difference]: Without dead ends: 2645 [2019-12-07 16:16:51,528 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 [2019-12-07 16:16:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2019-12-07 16:16:51,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 1672. [2019-12-07 16:16:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2019-12-07 16:16:51,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2043 transitions. [2019-12-07 16:16:51,560 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2043 transitions. Word has length 192 [2019-12-07 16:16:51,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:51,561 INFO L462 AbstractCegarLoop]: Abstraction has 1672 states and 2043 transitions. [2019-12-07 16:16:51,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 16:16:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2043 transitions. [2019-12-07 16:16:51,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-12-07 16:16:51,563 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:51,563 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:51,563 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:51,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:51,564 INFO L82 PathProgramCache]: Analyzing trace with hash -354141657, now seen corresponding path program 1 times [2019-12-07 16:16:51,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:51,564 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396898375] [2019-12-07 16:16:51,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:51,697 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 67 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:16:51,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396898375] [2019-12-07 16:16:51,697 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043156768] [2019-12-07 16:16:51,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/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 [2019-12-07 16:16:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:51,768 INFO L264 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 16:16:51,778 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:16:51,804 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:16:51,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:16:51,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:16:51,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:16:51,813 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:16:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 127 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:16:52,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:16:52,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-12-07 16:16:52,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335825952] [2019-12-07 16:16:52,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:16:52,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:52,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:16:52,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:16:52,025 INFO L87 Difference]: Start difference. First operand 1672 states and 2043 transitions. Second operand 8 states. [2019-12-07 16:16:53,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:53,997 INFO L93 Difference]: Finished difference Result 4871 states and 5954 transitions. [2019-12-07 16:16:53,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 16:16:53,997 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 213 [2019-12-07 16:16:53,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:54,013 INFO L225 Difference]: With dead ends: 4871 [2019-12-07 16:16:54,013 INFO L226 Difference]: Without dead ends: 3201 [2019-12-07 16:16:54,015 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2019-12-07 16:16:54,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3201 states. [2019-12-07 16:16:54,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3201 to 1950. [2019-12-07 16:16:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2019-12-07 16:16:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 2231 transitions. [2019-12-07 16:16:54,062 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 2231 transitions. Word has length 213 [2019-12-07 16:16:54,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:54,063 INFO L462 AbstractCegarLoop]: Abstraction has 1950 states and 2231 transitions. [2019-12-07 16:16:54,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:16:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2231 transitions. [2019-12-07 16:16:54,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-12-07 16:16:54,067 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:54,067 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:54,268 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:16:54,268 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:54,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:54,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1412343006, now seen corresponding path program 1 times [2019-12-07 16:16:54,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:54,269 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010438510] [2019-12-07 16:16:54,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:16:54,377 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010438510] [2019-12-07 16:16:54,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:54,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:16:54,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398821677] [2019-12-07 16:16:54,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:16:54,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:54,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:16:54,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:16:54,378 INFO L87 Difference]: Start difference. First operand 1950 states and 2231 transitions. Second operand 5 states. [2019-12-07 16:16:55,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:55,187 INFO L93 Difference]: Finished difference Result 5427 states and 6240 transitions. [2019-12-07 16:16:55,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:16:55,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 217 [2019-12-07 16:16:55,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:55,194 INFO L225 Difference]: With dead ends: 5427 [2019-12-07 16:16:55,194 INFO L226 Difference]: Without dead ends: 1811 [2019-12-07 16:16:55,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:16:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2019-12-07 16:16:55,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1672. [2019-12-07 16:16:55,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2019-12-07 16:16:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1838 transitions. [2019-12-07 16:16:55,219 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1838 transitions. Word has length 217 [2019-12-07 16:16:55,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:55,219 INFO L462 AbstractCegarLoop]: Abstraction has 1672 states and 1838 transitions. [2019-12-07 16:16:55,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:16:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1838 transitions. [2019-12-07 16:16:55,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-12-07 16:16:55,221 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:55,222 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:55,222 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:55,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:55,222 INFO L82 PathProgramCache]: Analyzing trace with hash -416019249, now seen corresponding path program 1 times [2019-12-07 16:16:55,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:55,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165912720] [2019-12-07 16:16:55,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-12-07 16:16:55,365 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165912720] [2019-12-07 16:16:55,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:16:55,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 16:16:55,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623989740] [2019-12-07 16:16:55,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:16:55,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:55,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:16:55,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:16:55,366 INFO L87 Difference]: Start difference. First operand 1672 states and 1838 transitions. Second operand 5 states. [2019-12-07 16:16:56,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:56,157 INFO L93 Difference]: Finished difference Result 4454 states and 4918 transitions. [2019-12-07 16:16:56,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:16:56,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2019-12-07 16:16:56,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:56,165 INFO L225 Difference]: With dead ends: 4454 [2019-12-07 16:16:56,165 INFO L226 Difference]: Without dead ends: 2784 [2019-12-07 16:16:56,167 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:16:56,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2019-12-07 16:16:56,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2228. [2019-12-07 16:16:56,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2019-12-07 16:16:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2439 transitions. [2019-12-07 16:16:56,207 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2439 transitions. Word has length 230 [2019-12-07 16:16:56,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:56,207 INFO L462 AbstractCegarLoop]: Abstraction has 2228 states and 2439 transitions. [2019-12-07 16:16:56,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:16:56,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2439 transitions. [2019-12-07 16:16:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2019-12-07 16:16:56,212 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:56,213 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:56,213 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:56,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:56,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1031491534, now seen corresponding path program 1 times [2019-12-07 16:16:56,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:56,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956588257] [2019-12-07 16:16:56,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 253 proven. 165 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 16:16:56,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956588257] [2019-12-07 16:16:56,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314519509] [2019-12-07 16:16:56,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/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 [2019-12-07 16:16:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:56,979 INFO L264 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 16:16:56,985 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:16:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 317 proven. 34 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-12-07 16:16:57,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:16:57,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4] total 12 [2019-12-07 16:16:57,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71236965] [2019-12-07 16:16:57,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 16:16:57,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:57,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 16:16:57,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2019-12-07 16:16:57,259 INFO L87 Difference]: Start difference. First operand 2228 states and 2439 transitions. Second operand 13 states. [2019-12-07 16:16:58,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:16:58,508 INFO L93 Difference]: Finished difference Result 4791 states and 5270 transitions. [2019-12-07 16:16:58,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 16:16:58,508 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 341 [2019-12-07 16:16:58,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:16:58,519 INFO L225 Difference]: With dead ends: 4791 [2019-12-07 16:16:58,520 INFO L226 Difference]: Without dead ends: 2704 [2019-12-07 16:16:58,522 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 339 SyntacticMatches, 10 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2019-12-07 16:16:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2019-12-07 16:16:58,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2506. [2019-12-07 16:16:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2506 states. [2019-12-07 16:16:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 2711 transitions. [2019-12-07 16:16:58,565 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 2711 transitions. Word has length 341 [2019-12-07 16:16:58,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:16:58,566 INFO L462 AbstractCegarLoop]: Abstraction has 2506 states and 2711 transitions. [2019-12-07 16:16:58,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 16:16:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 2711 transitions. [2019-12-07 16:16:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-12-07 16:16:58,575 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:16:58,575 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:16:58,776 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:16:58,776 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:16:58,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:16:58,776 INFO L82 PathProgramCache]: Analyzing trace with hash 352328165, now seen corresponding path program 1 times [2019-12-07 16:16:58,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:16:58,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201049327] [2019-12-07 16:16:58,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:16:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 89 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:16:59,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201049327] [2019-12-07 16:16:59,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731632710] [2019-12-07 16:16:59,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/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 [2019-12-07 16:16:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:16:59,222 INFO L264 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 16:16:59,226 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:16:59,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:16:59,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:16:59,247 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:16:59,248 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:16:59,249 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:16:59,249 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:16:59,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:16:59,250 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:16:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 330 proven. 62 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-12-07 16:16:59,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:16:59,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2019-12-07 16:16:59,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017277393] [2019-12-07 16:16:59,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 16:16:59,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:16:59,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 16:16:59,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-12-07 16:16:59,653 INFO L87 Difference]: Start difference. First operand 2506 states and 2711 transitions. Second operand 11 states. [2019-12-07 16:17:01,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:17:01,406 INFO L93 Difference]: Finished difference Result 6539 states and 7075 transitions. [2019-12-07 16:17:01,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 16:17:01,406 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 363 [2019-12-07 16:17:01,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:17:01,419 INFO L225 Difference]: With dead ends: 6539 [2019-12-07 16:17:01,419 INFO L226 Difference]: Without dead ends: 4174 [2019-12-07 16:17:01,421 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 360 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-12-07 16:17:01,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2019-12-07 16:17:01,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 2784. [2019-12-07 16:17:01,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2784 states. [2019-12-07 16:17:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 2978 transitions. [2019-12-07 16:17:01,464 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 2978 transitions. Word has length 363 [2019-12-07 16:17:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:17:01,465 INFO L462 AbstractCegarLoop]: Abstraction has 2784 states and 2978 transitions. [2019-12-07 16:17:01,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 16:17:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 2978 transitions. [2019-12-07 16:17:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2019-12-07 16:17:01,470 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:17:01,471 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:17:01,671 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:17:01,672 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:17:01,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:17:01,673 INFO L82 PathProgramCache]: Analyzing trace with hash -127843405, now seen corresponding path program 1 times [2019-12-07 16:17:01,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:17:01,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354956890] [2019-12-07 16:17:01,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:17:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:17:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 42 proven. 351 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-12-07 16:17:02,329 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354956890] [2019-12-07 16:17:02,329 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789678889] [2019-12-07 16:17:02,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/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 [2019-12-07 16:17:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:17:02,395 INFO L264 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-07 16:17:02,399 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:17:02,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:17:02,451 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:17:02,500 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-12-07 16:17:02,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:17:02,501 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:17:02,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:17:02,502 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:17:02,503 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:17:02,503 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:17:03,116 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 12 proven. 381 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-12-07 16:17:03,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 16:17:03,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 11 [2019-12-07 16:17:03,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998518999] [2019-12-07 16:17:03,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 16:17:03,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:17:03,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 16:17:03,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-07 16:17:03,118 INFO L87 Difference]: Start difference. First operand 2784 states and 2978 transitions. Second operand 12 states. [2019-12-07 16:17:06,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:17:06,217 INFO L93 Difference]: Finished difference Result 6833 states and 7328 transitions. [2019-12-07 16:17:06,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-12-07 16:17:06,218 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 382 [2019-12-07 16:17:06,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:17:06,230 INFO L225 Difference]: With dead ends: 6833 [2019-12-07 16:17:06,230 INFO L226 Difference]: Without dead ends: 4190 [2019-12-07 16:17:06,232 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 377 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2019-12-07 16:17:06,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4190 states. [2019-12-07 16:17:06,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4190 to 2708. [2019-12-07 16:17:06,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2708 states. [2019-12-07 16:17:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 2893 transitions. [2019-12-07 16:17:06,263 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 2893 transitions. Word has length 382 [2019-12-07 16:17:06,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:17:06,264 INFO L462 AbstractCegarLoop]: Abstraction has 2708 states and 2893 transitions. [2019-12-07 16:17:06,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 16:17:06,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 2893 transitions. [2019-12-07 16:17:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2019-12-07 16:17:06,268 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:17:06,269 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:17:06,469 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 16:17:06,469 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:17:06,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:17:06,470 INFO L82 PathProgramCache]: Analyzing trace with hash 318816942, now seen corresponding path program 1 times [2019-12-07 16:17:06,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:17:06,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581566360] [2019-12-07 16:17:06,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:17:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:17:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1184 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2019-12-07 16:17:06,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581566360] [2019-12-07 16:17:06,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:17:06,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 16:17:06,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289470948] [2019-12-07 16:17:06,803 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 16:17:06,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:17:06,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 16:17:06,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:17:06,803 INFO L87 Difference]: Start difference. First operand 2708 states and 2893 transitions. Second operand 5 states. [2019-12-07 16:17:07,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:17:07,455 INFO L93 Difference]: Finished difference Result 6107 states and 6523 transitions. [2019-12-07 16:17:07,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:17:07,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 581 [2019-12-07 16:17:07,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:17:07,456 INFO L225 Difference]: With dead ends: 6107 [2019-12-07 16:17:07,456 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:17:07,459 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 16:17:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:17:07,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:17:07,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:17:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:17:07,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 581 [2019-12-07 16:17:07,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:17:07,460 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:17:07,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 16:17:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:17:07,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:17:07,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:17:07,676 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 300 [2019-12-07 16:17:07,851 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 294 [2019-12-07 16:17:08,894 WARN L192 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 290 DAG size of output: 56 [2019-12-07 16:17:09,877 WARN L192 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 51 [2019-12-07 16:17:09,880 INFO L246 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-12-07 16:17:09,880 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,880 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,880 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,880 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,880 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,880 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-12-07 16:17:09,881 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-12-07 16:17:09,882 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,883 INFO L246 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-12-07 16:17:09,884 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-12-07 16:17:09,884 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-12-07 16:17:09,884 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-12-07 16:17:09,884 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-12-07 16:17:09,884 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-12-07 16:17:09,884 INFO L242 CegarLoopResult]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse5 (= ~a10~0 0))) (let ((.cse1 (<= ~a10~0 2)) (.cse0 (<= 0 (+ ~a1~0 600000))) (.cse4 (= 14 ~a4~0)) (.cse2 (= ~a19~0 9)) (.cse6 (= ~a12~0 0)) (.cse8 (not (= ~a10~0 1))) (.cse7 (not .cse5)) (.cse3 (not (= ~a19~0 10))) (.cse9 (<= ~a19~0 8))) (or (and .cse0 .cse1 (not .cse2)) (and .cse3 .cse4 .cse5 .cse6 (or (not (= 5 ULTIMATE.start_calculate_output_~input)) (< 218 ~a1~0)) (< 0 (+ ~a1~0 13))) (and .cse0 .cse4 .cse1 .cse6 .cse7) (and .cse4 .cse2 (= ~a10~0 2) .cse6) (and .cse0 .cse3 .cse4 .cse2 .cse6 .cse8 .cse7) (and .cse3 .cse9 .cse8 .cse7) (and .cse3 .cse5 .cse9)))) [2019-12-07 16:17:09,884 INFO L246 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-12-07 16:17:09,884 INFO L246 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-12-07 16:17:09,885 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L249 CegarLoopResult]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,886 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,887 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-12-07 16:17:09,888 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L242 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse5 (= ~a10~0 0))) (let ((.cse1 (<= ~a10~0 2)) (.cse0 (<= 0 (+ ~a1~0 600000))) (.cse2 (= ~a19~0 9)) (.cse8 (not (= ~a10~0 1))) (.cse7 (not .cse5)) (.cse4 (= 14 ~a4~0)) (.cse6 (= ~a12~0 0)) (.cse3 (not (= ~a19~0 10))) (.cse9 (<= ~a19~0 8))) (or (and .cse0 .cse1 (not .cse2)) (and .cse3 .cse4 .cse5 .cse6 (or (not (= 5 ULTIMATE.start_calculate_output_~input)) (< 218 ~a1~0)) (< 0 (+ ~a1~0 13))) (and .cse0 .cse4 .cse1 .cse6 .cse7) (and .cse4 .cse2 (= ~a10~0 2) .cse6) (and .cse0 .cse3 .cse4 .cse2 .cse6 .cse8 .cse7) (and .cse3 .cse9 .cse8 .cse7) (and (<= 23 ~a1~0) (<= ~a1~0 23) .cse4 .cse5 .cse6) (and .cse3 .cse5 .cse9)))) [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-12-07 16:17:09,889 INFO L246 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-12-07 16:17:09,890 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-12-07 16:17:09,891 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,892 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,893 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-12-07 16:17:09,894 INFO L246 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-12-07 16:17:09,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:17:09 BoogieIcfgContainer [2019-12-07 16:17:09,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:17:09,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:17:09,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:17:09,915 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:17:09,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:16:48" (3/4) ... [2019-12-07 16:17:09,918 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:17:09,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 16:17:09,940 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 16:17:10,031 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_79162555-fb7b-463b-8136-79636000db0c/bin/uautomizer/witness.graphml [2019-12-07 16:17:10,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:17:10,033 INFO L168 Benchmark]: Toolchain (without parser) took 23066.84 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 697.8 MB). Free memory was 942.5 MB in the beginning and 1.5 GB in the end (delta: -582.6 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:10,033 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:17:10,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:10,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:10,034 INFO L168 Benchmark]: Boogie Preprocessor took 49.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:10,034 INFO L168 Benchmark]: RCFGBuilder took 736.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 959.7 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:10,034 INFO L168 Benchmark]: TraceAbstraction took 21748.90 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 592.4 MB). Free memory was 959.7 MB in the beginning and 1.6 GB in the end (delta: -606.0 MB). Peak memory consumption was 739.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:10,035 INFO L168 Benchmark]: Witness Printer took 117.24 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:17:10,036 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 964.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 736.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 959.7 MB in the end (delta: 105.1 MB). Peak memory consumption was 105.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21748.90 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 592.4 MB). Free memory was 959.7 MB in the beginning and 1.6 GB in the end (delta: -606.0 MB). Peak memory consumption was 739.3 MB. Max. memory is 11.5 GB. * Witness Printer took 117.24 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 199]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((0 <= a1 + 600000 && a10 <= 2) && !(a19 == 9)) || (((((!(a19 == 10) && 14 == a4) && a10 == 0) && a12 == 0) && (!(5 == input) || 218 < a1)) && 0 < a1 + 13)) || ((((0 <= a1 + 600000 && 14 == a4) && a10 <= 2) && a12 == 0) && !(a10 == 0))) || (((14 == a4 && a19 == 9) && a10 == 2) && a12 == 0)) || ((((((0 <= a1 + 600000 && !(a19 == 10)) && 14 == a4) && a19 == 9) && a12 == 0) && !(a10 == 1)) && !(a10 == 0))) || (((!(a19 == 10) && a19 <= 8) && !(a10 == 1)) && !(a10 == 0))) || ((((23 <= a1 && a1 <= 23) && 14 == a4) && a10 == 0) && a12 == 0)) || ((!(a19 == 10) && a10 == 0) && a19 <= 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((0 <= a1 + 600000 && a10 <= 2) && !(a19 == 9)) || (((((!(a19 == 10) && 14 == a4) && a10 == 0) && a12 == 0) && (!(5 == input) || 218 < a1)) && 0 < a1 + 13)) || ((((0 <= a1 + 600000 && 14 == a4) && a10 <= 2) && a12 == 0) && !(a10 == 0))) || (((14 == a4 && a19 == 9) && a10 == 2) && a12 == 0)) || ((((((0 <= a1 + 600000 && !(a19 == 10)) && 14 == a4) && a19 == 9) && a12 == 0) && !(a10 == 1)) && !(a10 == 0))) || (((!(a19 == 10) && a19 <= 8) && !(a10 == 1)) && !(a10 == 0))) || ((!(a19 == 10) && a10 == 0) && a19 <= 8) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 19.2s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, HoareTripleCheckerStatistics: 666 SDtfs, 7177 SDslu, 293 SDs, 0 SdLazy, 15602 SolverSat, 2270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1392 GetRequests, 1302 SyntacticMatches, 16 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2784occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 6128 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 82 NumberOfFragments, 271 HoareAnnotationTreeSize, 3 FomulaSimplifications, 12084 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 82654 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 4156 NumberOfCodeBlocks, 4156 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4141 ConstructedInterpolants, 313 QuantifiedInterpolants, 11281016 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1717 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 3296/4841 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...