./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/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 2fe32dd1d26a4cf82120db07241724c51fa6ea29 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:11:55,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:11:55,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:11:55,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:11:55,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:11:55,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:11:55,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:11:55,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:11:55,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:11:55,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:11:55,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:11:55,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:11:55,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:11:55,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:11:55,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:11:55,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:11:55,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:11:55,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:11:55,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:11:55,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:11:55,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:11:55,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:11:55,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:11:55,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:11:55,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:11:55,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:11:55,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:11:55,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:11:55,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:11:55,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:11:55,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:11:55,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:11:55,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:11:55,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:11:55,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:11:55,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:11:55,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:11:55,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:11:55,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:11:55,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:11:55,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:11:55,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:11:55,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:11:55,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:11:55,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:11:55,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:11:55,541 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:11:55,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:11:55,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:11:55,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:11:55,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:11:55,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:11:55,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:11:55,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:11:55,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:11:55,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:11:55,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:11:55,545 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:11:55,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:11:55,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:11:55,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:11:55,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:11:55,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:11:55,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:11:55,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:11:55,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:11:55,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:11:55,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:11:55,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:11:55,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:11:55,549 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_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/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 -> 2fe32dd1d26a4cf82120db07241724c51fa6ea29 [2019-11-15 23:11:55,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:11:55,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:11:55,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:11:55,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:11:55,593 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:11:55,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2019-11-15 23:11:55,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/data/3149bbe7e/cb1d288466874640be88b6afcc718d53/FLAG1b3c2beae [2019-11-15 23:11:56,154 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:11:56,157 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2019-11-15 23:11:56,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/data/3149bbe7e/cb1d288466874640be88b6afcc718d53/FLAG1b3c2beae [2019-11-15 23:11:56,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/data/3149bbe7e/cb1d288466874640be88b6afcc718d53 [2019-11-15 23:11:56,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:11:56,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:11:56,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:11:56,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:11:56,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:11:56,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:11:56" (1/1) ... [2019-11-15 23:11:56,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c87219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:56, skipping insertion in model container [2019-11-15 23:11:56,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:11:56" (1/1) ... [2019-11-15 23:11:56,638 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:11:56,681 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:11:57,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:11:57,106 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:11:57,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:11:57,281 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:11:57,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57 WrapperNode [2019-11-15 23:11:57,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:11:57,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:11:57,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:11:57,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:11:57,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (1/1) ... [2019-11-15 23:11:57,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (1/1) ... [2019-11-15 23:11:57,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:11:57,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:11:57,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:11:57,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:11:57,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (1/1) ... [2019-11-15 23:11:57,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (1/1) ... [2019-11-15 23:11:57,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (1/1) ... [2019-11-15 23:11:57,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (1/1) ... [2019-11-15 23:11:57,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (1/1) ... [2019-11-15 23:11:57,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (1/1) ... [2019-11-15 23:11:57,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (1/1) ... [2019-11-15 23:11:57,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:11:57,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:11:57,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:11:57,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:11:57,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:11:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:11:57,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:11:58,904 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:11:58,904 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:11:58,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:11:58 BoogieIcfgContainer [2019-11-15 23:11:58,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:11:58,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:11:58,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:11:58,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:11:58,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:11:56" (1/3) ... [2019-11-15 23:11:58,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da00345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:11:58, skipping insertion in model container [2019-11-15 23:11:58,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:11:57" (2/3) ... [2019-11-15 23:11:58,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da00345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:11:58, skipping insertion in model container [2019-11-15 23:11:58,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:11:58" (3/3) ... [2019-11-15 23:11:58,912 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label02.c [2019-11-15 23:11:58,925 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:11:58,931 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:11:58,943 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:11:58,972 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:11:58,973 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:11:58,973 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:11:58,973 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:11:58,973 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:11:58,973 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:11:58,974 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:11:58,974 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:11:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-15 23:11:59,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-15 23:11:59,016 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:11:59,017 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:11:59,019 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:11:59,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:11:59,026 INFO L82 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times [2019-11-15 23:11:59,032 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:11:59,032 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339768931] [2019-11-15 23:11:59,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:11:59,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:11:59,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:11:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:11:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:11:59,348 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339768931] [2019-11-15 23:11:59,348 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:11:59,349 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:11:59,349 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374600990] [2019-11-15 23:11:59,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:11:59,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:11:59,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:11:59,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:11:59,368 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-11-15 23:12:01,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:12:01,222 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-11-15 23:12:01,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:12:01,224 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2019-11-15 23:12:01,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:12:01,243 INFO L225 Difference]: With dead ends: 709 [2019-11-15 23:12:01,244 INFO L226 Difference]: Without dead ends: 421 [2019-11-15 23:12:01,249 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:12:01,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-15 23:12:01,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2019-11-15 23:12:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-15 23:12:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 611 transitions. [2019-11-15 23:12:01,325 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 611 transitions. Word has length 59 [2019-11-15 23:12:01,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:12:01,326 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 611 transitions. [2019-11-15 23:12:01,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:12:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 611 transitions. [2019-11-15 23:12:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-15 23:12:01,332 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:12:01,332 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:12:01,332 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:12:01,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:12:01,333 INFO L82 PathProgramCache]: Analyzing trace with hash 362712702, now seen corresponding path program 1 times [2019-11-15 23:12:01,333 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:12:01,333 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152961662] [2019-11-15 23:12:01,333 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:12:01,333 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:12:01,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:12:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:12:01,596 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:12:01,596 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152961662] [2019-11-15 23:12:01,597 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:12:01,597 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:12:01,597 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031689833] [2019-11-15 23:12:01,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:12:01,599 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:12:01,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:12:01,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:12:01,600 INFO L87 Difference]: Start difference. First operand 421 states and 611 transitions. Second operand 4 states. [2019-11-15 23:12:02,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:12:02,766 INFO L93 Difference]: Finished difference Result 1674 states and 2436 transitions. [2019-11-15 23:12:02,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:12:02,769 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2019-11-15 23:12:02,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:12:02,778 INFO L225 Difference]: With dead ends: 1674 [2019-11-15 23:12:02,779 INFO L226 Difference]: Without dead ends: 1255 [2019-11-15 23:12:02,782 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:12:02,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2019-11-15 23:12:02,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2019-11-15 23:12:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2019-11-15 23:12:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1682 transitions. [2019-11-15 23:12:02,843 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1682 transitions. Word has length 129 [2019-11-15 23:12:02,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:12:02,844 INFO L462 AbstractCegarLoop]: Abstraction has 1255 states and 1682 transitions. [2019-11-15 23:12:02,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:12:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1682 transitions. [2019-11-15 23:12:02,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-15 23:12:02,849 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:12:02,849 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:12:02,849 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:12:02,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:12:02,850 INFO L82 PathProgramCache]: Analyzing trace with hash -775661752, now seen corresponding path program 1 times [2019-11-15 23:12:02,850 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:12:02,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739263963] [2019-11-15 23:12:02,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:12:02,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:12:02,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:12:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:12:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:12:03,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739263963] [2019-11-15 23:12:03,036 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593165658] [2019-11-15 23:12:03,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:12:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:12:03,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:12:03,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:12:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:12:03,213 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:12:03,214 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-15 23:12:03,214 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519745752] [2019-11-15 23:12:03,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:12:03,217 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:12:03,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:12:03,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:12:03,218 INFO L87 Difference]: Start difference. First operand 1255 states and 1682 transitions. Second operand 3 states. [2019-11-15 23:12:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:12:03,821 INFO L93 Difference]: Finished difference Result 2508 states and 3362 transitions. [2019-11-15 23:12:03,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:12:03,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-11-15 23:12:03,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:12:03,839 INFO L225 Difference]: With dead ends: 2508 [2019-11-15 23:12:03,839 INFO L226 Difference]: Without dead ends: 1255 [2019-11-15 23:12:03,841 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:12:03,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2019-11-15 23:12:03,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2019-11-15 23:12:03,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2019-11-15 23:12:03,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1620 transitions. [2019-11-15 23:12:03,879 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1620 transitions. Word has length 134 [2019-11-15 23:12:03,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:12:03,881 INFO L462 AbstractCegarLoop]: Abstraction has 1255 states and 1620 transitions. [2019-11-15 23:12:03,881 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:12:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1620 transitions. [2019-11-15 23:12:03,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-11-15 23:12:03,890 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:12:03,890 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:12:04,093 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:12:04,098 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:12:04,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:12:04,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1778156436, now seen corresponding path program 1 times [2019-11-15 23:12:04,098 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:12:04,098 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300391817] [2019-11-15 23:12:04,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:12:04,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:12:04,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:12:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:12:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-15 23:12:04,688 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300391817] [2019-11-15 23:12:04,689 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090737802] [2019-11-15 23:12:04,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:12:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:12:04,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:12:04,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:12:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-15 23:12:04,867 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:12:04,867 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-11-15 23:12:04,868 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794346574] [2019-11-15 23:12:04,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:12:04,868 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:12:04,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:12:04,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:12:04,869 INFO L87 Difference]: Start difference. First operand 1255 states and 1620 transitions. Second operand 3 states. [2019-11-15 23:12:05,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:12:05,543 INFO L93 Difference]: Finished difference Result 2230 states and 2850 transitions. [2019-11-15 23:12:05,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:12:05,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-11-15 23:12:05,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:12:05,556 INFO L225 Difference]: With dead ends: 2230 [2019-11-15 23:12:05,556 INFO L226 Difference]: Without dead ends: 2228 [2019-11-15 23:12:05,557 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:12:05,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2019-11-15 23:12:05,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1255. [2019-11-15 23:12:05,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2019-11-15 23:12:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1620 transitions. [2019-11-15 23:12:05,599 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1620 transitions. Word has length 189 [2019-11-15 23:12:05,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:12:05,600 INFO L462 AbstractCegarLoop]: Abstraction has 1255 states and 1620 transitions. [2019-11-15 23:12:05,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:12:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1620 transitions. [2019-11-15 23:12:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-15 23:12:05,605 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:12:05,605 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-15 23:12:05,810 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:12:05,810 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:12:05,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:12:05,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1310250032, now seen corresponding path program 1 times [2019-11-15 23:12:05,811 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:12:05,811 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214987057] [2019-11-15 23:12:05,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:12:05,811 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:12:05,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:12:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:12:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-15 23:12:05,973 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214987057] [2019-11-15 23:12:05,973 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:12:05,973 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:12:05,973 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658602803] [2019-11-15 23:12:05,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:12:05,974 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:12:05,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:12:05,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:12:05,975 INFO L87 Difference]: Start difference. First operand 1255 states and 1620 transitions. Second operand 4 states. [2019-11-15 23:12:06,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:12:06,968 INFO L93 Difference]: Finished difference Result 3479 states and 4485 transitions. [2019-11-15 23:12:06,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:12:06,969 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 233 [2019-11-15 23:12:06,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:12:06,969 INFO L225 Difference]: With dead ends: 3479 [2019-11-15 23:12:06,970 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:12:06,972 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:12:06,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:12:06,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:12:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:12:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:12:06,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2019-11-15 23:12:06,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:12:06,973 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:12:06,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:12:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:12:06,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:12:06,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:12:07,154 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-11-15 23:12:07,288 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-11-15 23:12:07,291 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-15 23:12:07,292 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,292 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,292 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,292 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,292 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,293 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,293 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-15 23:12:07,293 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-15 23:12:07,293 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-15 23:12:07,293 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-15 23:12:07,293 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-15 23:12:07,293 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-15 23:12:07,294 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-15 23:12:07,294 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-15 23:12:07,294 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-15 23:12:07,294 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-15 23:12:07,294 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-15 23:12:07,294 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,294 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,295 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,295 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,295 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,295 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-15 23:12:07,295 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-15 23:12:07,295 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-15 23:12:07,295 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-15 23:12:07,296 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-15 23:12:07,296 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-15 23:12:07,296 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-15 23:12:07,296 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-15 23:12:07,296 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-15 23:12:07,296 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-15 23:12:07,296 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-15 23:12:07,297 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-15 23:12:07,297 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-15 23:12:07,297 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-15 23:12:07,297 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,297 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,297 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,297 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,298 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,298 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-15 23:12:07,298 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-15 23:12:07,298 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-15 23:12:07,298 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-15 23:12:07,298 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-15 23:12:07,298 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-15 23:12:07,299 INFO L439 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse1 (<= 1 ~a10~0)) (.cse4 (not (= ~a19~0 6))) (.cse2 (<= 9 ~a19~0)) (.cse3 (<= ~a1~0 218)) (.cse0 (= ~a10~0 0))) (or (and (<= ~a1~0 23) .cse0) (and .cse1 .cse2) (and .cse3 .cse1) (and (not (= ~a10~0 3)) .cse1 .cse4) (and .cse4 (or (and .cse0 .cse2) (and .cse3 .cse0))) (and .cse0 (= ~a19~0 8)))) [2019-11-15 23:12:07,299 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-15 23:12:07,299 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-15 23:12:07,299 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-15 23:12:07,300 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-15 23:12:07,300 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,300 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,300 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,300 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,300 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,300 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-15 23:12:07,301 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-15 23:12:07,301 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-15 23:12:07,304 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-15 23:12:07,304 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-15 23:12:07,304 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-15 23:12:07,304 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-15 23:12:07,305 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-15 23:12:07,305 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-15 23:12:07,305 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-15 23:12:07,305 INFO L446 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-15 23:12:07,305 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-15 23:12:07,305 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-15 23:12:07,305 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-15 23:12:07,305 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,306 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,306 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,306 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,306 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,306 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-15 23:12:07,306 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-15 23:12:07,306 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-15 23:12:07,307 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-15 23:12:07,307 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-15 23:12:07,307 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-15 23:12:07,307 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-15 23:12:07,307 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-15 23:12:07,307 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-15 23:12:07,307 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,308 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,308 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,308 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,308 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,308 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-15 23:12:07,308 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-15 23:12:07,308 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-15 23:12:07,308 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-15 23:12:07,309 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-15 23:12:07,309 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-15 23:12:07,309 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-15 23:12:07,309 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-15 23:12:07,309 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-15 23:12:07,309 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-15 23:12:07,309 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-15 23:12:07,310 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:12:07,310 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-15 23:12:07,310 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= 1 ~a10~0)) (.cse4 (not (= ~a19~0 6))) (.cse2 (<= 9 ~a19~0)) (.cse3 (<= ~a1~0 218)) (.cse0 (= ~a10~0 0))) (or (and (<= ~a1~0 23) .cse0) (and .cse1 .cse2) (and .cse3 .cse1) (and (not (= ~a10~0 3)) .cse1 .cse4) (and .cse4 (or (and .cse0 .cse2) (and .cse3 .cse0))) (and .cse0 (= ~a19~0 8)))) [2019-11-15 23:12:07,310 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-15 23:12:07,310 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,310 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,311 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,311 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,311 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-15 23:12:07,311 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,311 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,311 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-15 23:12:07,311 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-15 23:12:07,312 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-15 23:12:07,312 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-15 23:12:07,312 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-15 23:12:07,312 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-15 23:12:07,312 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-15 23:12:07,313 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-15 23:12:07,313 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-15 23:12:07,313 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-15 23:12:07,313 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-15 23:12:07,313 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-15 23:12:07,313 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-15 23:12:07,314 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,314 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,315 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,315 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,315 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,315 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,315 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-15 23:12:07,316 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-15 23:12:07,317 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-15 23:12:07,320 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:12:07,321 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-15 23:12:07,321 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-15 23:12:07,321 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-15 23:12:07,321 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-15 23:12:07,321 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-15 23:12:07,321 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-15 23:12:07,322 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-15 23:12:07,322 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-15 23:12:07,322 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-15 23:12:07,322 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-15 23:12:07,324 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-15 23:12:07,324 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-15 23:12:07,324 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,324 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,324 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,324 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,325 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,325 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,327 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-15 23:12:07,327 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-15 23:12:07,328 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-15 23:12:07,328 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-15 23:12:07,328 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-15 23:12:07,329 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-15 23:12:07,329 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:12:07,329 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-15 23:12:07,329 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-15 23:12:07,329 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-15 23:12:07,329 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-15 23:12:07,329 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-15 23:12:07,330 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-15 23:12:07,330 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-15 23:12:07,330 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,330 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,330 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,330 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,330 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,331 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,331 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-15 23:12:07,331 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-15 23:12:07,331 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-15 23:12:07,331 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-15 23:12:07,331 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-15 23:12:07,332 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-15 23:12:07,332 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-15 23:12:07,332 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-15 23:12:07,332 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-15 23:12:07,332 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-15 23:12:07,332 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-15 23:12:07,332 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:12:07,333 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-15 23:12:07,333 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,333 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,333 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,333 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,333 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,333 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:12:07,334 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2019-11-15 23:12:07,334 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-15 23:12:07,334 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-15 23:12:07,334 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-15 23:12:07,334 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-15 23:12:07,334 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-15 23:12:07,335 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-15 23:12:07,335 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-15 23:12:07,335 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-15 23:12:07,335 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-15 23:12:07,335 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-15 23:12:07,335 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-15 23:12:07,335 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-15 23:12:07,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:12:07 BoogieIcfgContainer [2019-11-15 23:12:07,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:12:07,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:12:07,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:12:07,365 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:12:07,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:11:58" (3/4) ... [2019-11-15 23:12:07,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:12:07,393 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 23:12:07,394 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:12:07,581 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ff5b867e-5e14-4a6d-824b-9183c4af9e6b/bin/uautomizer/witness.graphml [2019-11-15 23:12:07,581 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:12:07,583 INFO L168 Benchmark]: Toolchain (without parser) took 10959.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 250.6 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -89.7 MB). Peak memory consumption was 160.9 MB. Max. memory is 11.5 GB. [2019-11-15 23:12:07,584 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:12:07,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:12:07,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:12:07,585 INFO L168 Benchmark]: Boogie Preprocessor took 89.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:12:07,586 INFO L168 Benchmark]: RCFGBuilder took 1416.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:12:07,586 INFO L168 Benchmark]: TraceAbstraction took 8457.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 127.9 MB). Free memory was 975.1 MB in the beginning and 1.0 GB in the end (delta: -71.5 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:12:07,586 INFO L168 Benchmark]: Witness Printer took 216.94 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:12:07,589 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 658.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1416.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8457.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 127.9 MB). Free memory was 975.1 MB in the beginning and 1.0 GB in the end (delta: -71.5 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. * Witness Printer took 216.94 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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: (((((a1 <= 23 && a10 == 0) || (1 <= a10 && 9 <= a19)) || (a1 <= 218 && 1 <= a10)) || ((!(a10 == 3) && 1 <= a10) && !(a19 == 6))) || (!(a19 == 6) && ((a10 == 0 && 9 <= a19) || (a1 <= 218 && a10 == 0)))) || (a10 == 0 && a19 == 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((a1 <= 23 && a10 == 0) || (1 <= a10 && 9 <= a19)) || (a1 <= 218 && 1 <= a10)) || ((!(a10 == 3) && 1 <= a10) && !(a19 == 6))) || (!(a19 == 6) && ((a10 == 0 && 9 <= a19) || (a1 <= 218 && a10 == 0)))) || (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: 8.3s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 271 SDtfs, 924 SDslu, 42 SDs, 0 SdLazy, 2790 SolverSat, 666 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 973 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 38 NumberOfFragments, 123 HoareAnnotationTreeSize, 3 FomulaSimplifications, 496 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 110 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1067 NumberOfCodeBlocks, 1067 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1060 ConstructedInterpolants, 0 QuantifiedInterpolants, 702554 SizeOfPredicates, 2 NumberOfNonLiveVariables, 449 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 400/458 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...