./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/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 5daa60820c0033439eb2fc136c4a16d466a909bc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 15:20:31,521 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 15:20:31,522 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 15:20:31,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 15:20:31,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 15:20:31,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 15:20:31,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 15:20:31,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 15:20:31,533 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 15:20:31,533 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 15:20:31,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 15:20:31,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 15:20:31,534 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 15:20:31,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 15:20:31,535 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 15:20:31,536 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 15:20:31,536 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 15:20:31,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 15:20:31,538 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 15:20:31,540 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 15:20:31,540 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 15:20:31,541 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 15:20:31,542 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 15:20:31,542 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 15:20:31,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 15:20:31,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 15:20:31,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 15:20:31,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 15:20:31,544 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 15:20:31,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 15:20:31,544 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 15:20:31,545 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 15:20:31,545 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 15:20:31,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 15:20:31,545 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 15:20:31,546 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 15:20:31,546 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 15:20:31,553 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 15:20:31,554 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 15:20:31,554 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 15:20:31,554 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 15:20:31,555 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 15:20:31,555 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 15:20:31,555 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 15:20:31,555 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 15:20:31,555 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 15:20:31,555 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 15:20:31,556 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 15:20:31,556 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 15:20:31,556 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 15:20:31,556 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 15:20:31,556 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 15:20:31,556 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 15:20:31,557 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 15:20:31,557 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 15:20:31,557 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 15:20:31,557 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 15:20:31,557 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 15:20:31,557 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 15:20:31,557 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 15:20:31,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 15:20:31,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 15:20:31,558 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 15:20:31,558 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 15:20:31,558 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 15:20:31,558 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 15:20:31,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 15:20:31,559 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/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 -> 5daa60820c0033439eb2fc136c4a16d466a909bc [2018-12-02 15:20:31,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 15:20:31,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 15:20:31,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 15:20:31,590 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 15:20:31,590 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 15:20:31,590 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-12-02 15:20:31,623 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/data/0b05a188b/8ec690f9ea05480da09ca439a94d04c7/FLAG0ef16b664 [2018-12-02 15:20:32,063 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 15:20:32,064 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-12-02 15:20:32,069 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/data/0b05a188b/8ec690f9ea05480da09ca439a94d04c7/FLAG0ef16b664 [2018-12-02 15:20:32,079 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/data/0b05a188b/8ec690f9ea05480da09ca439a94d04c7 [2018-12-02 15:20:32,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 15:20:32,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 15:20:32,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 15:20:32,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 15:20:32,085 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 15:20:32,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ff7dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32, skipping insertion in model container [2018-12-02 15:20:32,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 15:20:32,109 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 15:20:32,221 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:20:32,224 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 15:20:32,247 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 15:20:32,255 INFO L195 MainTranslator]: Completed translation [2018-12-02 15:20:32,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32 WrapperNode [2018-12-02 15:20:32,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 15:20:32,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 15:20:32,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 15:20:32,256 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 15:20:32,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 15:20:32,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 15:20:32,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 15:20:32,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 15:20:32,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (1/1) ... [2018-12-02 15:20:32,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 15:20:32,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 15:20:32,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 15:20:32,311 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 15:20:32,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/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 [2018-12-02 15:20:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 15:20:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 15:20:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 15:20:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 15:20:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 15:20:32,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 15:20:32,495 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 15:20:32,495 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 15:20:32,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:32 BoogieIcfgContainer [2018-12-02 15:20:32,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 15:20:32,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 15:20:32,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 15:20:32,498 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 15:20:32,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:20:32" (1/3) ... [2018-12-02 15:20:32,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4324054f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:32, skipping insertion in model container [2018-12-02 15:20:32,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:32" (2/3) ... [2018-12-02 15:20:32,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4324054f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:32, skipping insertion in model container [2018-12-02 15:20:32,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:32" (3/3) ... [2018-12-02 15:20:32,500 INFO L112 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-12-02 15:20:32,506 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 15:20:32,509 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2018-12-02 15:20:32,518 INFO L257 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2018-12-02 15:20:32,536 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 15:20:32,537 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 15:20:32,537 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 15:20:32,537 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 15:20:32,537 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 15:20:32,537 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 15:20:32,537 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 15:20:32,537 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 15:20:32,537 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 15:20:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2018-12-02 15:20:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 15:20:32,552 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:32,553 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:32,554 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:32,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:32,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1118366569, now seen corresponding path program 1 times [2018-12-02 15:20:32,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:32,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:32,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:32,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:32,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:32,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:32,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 15:20:32,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 15:20:32,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 15:20:32,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 15:20:32,658 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 3 states. [2018-12-02 15:20:32,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:32,676 INFO L93 Difference]: Finished difference Result 88 states and 116 transitions. [2018-12-02 15:20:32,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 15:20:32,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-02 15:20:32,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:32,683 INFO L225 Difference]: With dead ends: 88 [2018-12-02 15:20:32,683 INFO L226 Difference]: Without dead ends: 76 [2018-12-02 15:20:32,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 15:20:32,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-02 15:20:32,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 59. [2018-12-02 15:20:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-12-02 15:20:32,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2018-12-02 15:20:32,707 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 13 [2018-12-02 15:20:32,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:32,707 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2018-12-02 15:20:32,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 15:20:32,707 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2018-12-02 15:20:32,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 15:20:32,708 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:32,708 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:32,709 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:32,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:32,709 INFO L82 PathProgramCache]: Analyzing trace with hash -306453431, now seen corresponding path program 1 times [2018-12-02 15:20:32,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:32,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:32,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:32,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:32,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:32,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:32,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 15:20:32,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 15:20:32,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 15:20:32,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 15:20:32,750 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand 4 states. [2018-12-02 15:20:32,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:32,811 INFO L93 Difference]: Finished difference Result 153 states and 168 transitions. [2018-12-02 15:20:32,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 15:20:32,812 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-12-02 15:20:32,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:32,813 INFO L225 Difference]: With dead ends: 153 [2018-12-02 15:20:32,813 INFO L226 Difference]: Without dead ends: 101 [2018-12-02 15:20:32,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 15:20:32,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-02 15:20:32,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 58. [2018-12-02 15:20:32,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-02 15:20:32,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2018-12-02 15:20:32,818 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 14 [2018-12-02 15:20:32,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:32,819 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2018-12-02 15:20:32,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 15:20:32,819 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2018-12-02 15:20:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 15:20:32,819 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:32,819 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:32,820 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:32,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:32,820 INFO L82 PathProgramCache]: Analyzing trace with hash -309622200, now seen corresponding path program 1 times [2018-12-02 15:20:32,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:32,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:32,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:32,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:32,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:32,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:32,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 15:20:32,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 15:20:32,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 15:20:32,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 15:20:32,855 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand 5 states. [2018-12-02 15:20:32,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:32,892 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2018-12-02 15:20:32,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 15:20:32,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-02 15:20:32,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:32,893 INFO L225 Difference]: With dead ends: 75 [2018-12-02 15:20:32,893 INFO L226 Difference]: Without dead ends: 73 [2018-12-02 15:20:32,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:20:32,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-02 15:20:32,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 56. [2018-12-02 15:20:32,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-02 15:20:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2018-12-02 15:20:32,896 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 14 [2018-12-02 15:20:32,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:32,897 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2018-12-02 15:20:32,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 15:20:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2018-12-02 15:20:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 15:20:32,897 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:32,897 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:32,897 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:32,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:32,898 INFO L82 PathProgramCache]: Analyzing trace with hash -910118681, now seen corresponding path program 1 times [2018-12-02 15:20:32,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:32,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:32,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:32,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:32,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:32,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:32,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 15:20:32,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 15:20:32,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 15:20:32,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:20:32,926 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand 6 states. [2018-12-02 15:20:33,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:33,007 INFO L93 Difference]: Finished difference Result 98 states and 106 transitions. [2018-12-02 15:20:33,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 15:20:33,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-12-02 15:20:33,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:33,008 INFO L225 Difference]: With dead ends: 98 [2018-12-02 15:20:33,008 INFO L226 Difference]: Without dead ends: 96 [2018-12-02 15:20:33,008 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-12-02 15:20:33,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-12-02 15:20:33,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 54. [2018-12-02 15:20:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-02 15:20:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2018-12-02 15:20:33,012 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 15 [2018-12-02 15:20:33,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:33,012 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2018-12-02 15:20:33,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 15:20:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2018-12-02 15:20:33,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 15:20:33,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:33,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:33,013 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:33,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:33,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1851095055, now seen corresponding path program 1 times [2018-12-02 15:20:33,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:33,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:33,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:33,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:33,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:33,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 15:20:33,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 15:20:33,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 15:20:33,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-02 15:20:33,055 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 8 states. [2018-12-02 15:20:33,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:33,172 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2018-12-02 15:20:33,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 15:20:33,172 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-12-02 15:20:33,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:33,173 INFO L225 Difference]: With dead ends: 97 [2018-12-02 15:20:33,173 INFO L226 Difference]: Without dead ends: 95 [2018-12-02 15:20:33,173 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-02 15:20:33,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-12-02 15:20:33,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 52. [2018-12-02 15:20:33,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-12-02 15:20:33,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-12-02 15:20:33,180 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 16 [2018-12-02 15:20:33,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:33,180 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-12-02 15:20:33,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 15:20:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-12-02 15:20:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 15:20:33,181 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:33,181 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:33,182 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:33,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:33,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1194066488, now seen corresponding path program 1 times [2018-12-02 15:20:33,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:33,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:33,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:33,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:33,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:33,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 15:20:33,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 15:20:33,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 15:20:33,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 15:20:33,229 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 5 states. [2018-12-02 15:20:33,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:33,278 INFO L93 Difference]: Finished difference Result 83 states and 91 transitions. [2018-12-02 15:20:33,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 15:20:33,279 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-12-02 15:20:33,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:33,280 INFO L225 Difference]: With dead ends: 83 [2018-12-02 15:20:33,280 INFO L226 Difference]: Without dead ends: 81 [2018-12-02 15:20:33,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-02 15:20:33,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-02 15:20:33,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 50. [2018-12-02 15:20:33,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-02 15:20:33,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-12-02 15:20:33,284 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 16 [2018-12-02 15:20:33,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:33,284 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-12-02 15:20:33,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 15:20:33,285 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-12-02 15:20:33,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 15:20:33,285 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:33,285 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:33,286 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:33,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:33,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1549374957, now seen corresponding path program 1 times [2018-12-02 15:20:33,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:33,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:33,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:33,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:33,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:33,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 15:20:33,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 15:20:33,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 15:20:33,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:20:33,315 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 6 states. [2018-12-02 15:20:33,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:33,403 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2018-12-02 15:20:33,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 15:20:33,403 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-12-02 15:20:33,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:33,404 INFO L225 Difference]: With dead ends: 93 [2018-12-02 15:20:33,404 INFO L226 Difference]: Without dead ends: 91 [2018-12-02 15:20:33,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-12-02 15:20:33,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-12-02 15:20:33,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 48. [2018-12-02 15:20:33,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-02 15:20:33,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2018-12-02 15:20:33,410 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 17 [2018-12-02 15:20:33,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:33,411 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2018-12-02 15:20:33,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 15:20:33,411 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2018-12-02 15:20:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 15:20:33,411 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:33,412 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:33,412 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:33,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:33,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1638647651, now seen corresponding path program 1 times [2018-12-02 15:20:33,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:33,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:33,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:33,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:33,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:33,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 15:20:33,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 15:20:33,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 15:20:33,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 15:20:33,455 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand 5 states. [2018-12-02 15:20:33,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:33,517 INFO L93 Difference]: Finished difference Result 73 states and 84 transitions. [2018-12-02 15:20:33,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 15:20:33,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-02 15:20:33,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:33,518 INFO L225 Difference]: With dead ends: 73 [2018-12-02 15:20:33,519 INFO L226 Difference]: Without dead ends: 71 [2018-12-02 15:20:33,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 15:20:33,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-02 15:20:33,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 46. [2018-12-02 15:20:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-02 15:20:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-12-02 15:20:33,523 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 17 [2018-12-02 15:20:33,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:33,523 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-12-02 15:20:33,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 15:20:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-12-02 15:20:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 15:20:33,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:33,524 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:33,524 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:33,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:33,525 INFO L82 PathProgramCache]: Analyzing trace with hash -741527250, now seen corresponding path program 1 times [2018-12-02 15:20:33,525 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:33,525 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:33,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:33,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:33,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:33,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:33,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 15:20:33,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 15:20:33,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 15:20:33,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:20:33,553 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 6 states. [2018-12-02 15:20:33,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:33,633 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions. [2018-12-02 15:20:33,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 15:20:33,633 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-12-02 15:20:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:33,634 INFO L225 Difference]: With dead ends: 71 [2018-12-02 15:20:33,634 INFO L226 Difference]: Without dead ends: 69 [2018-12-02 15:20:33,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-12-02 15:20:33,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-02 15:20:33,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 44. [2018-12-02 15:20:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 15:20:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2018-12-02 15:20:33,639 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 18 [2018-12-02 15:20:33,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:33,640 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2018-12-02 15:20:33,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 15:20:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2018-12-02 15:20:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 15:20:33,640 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:33,640 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:33,641 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:33,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:33,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1512505143, now seen corresponding path program 1 times [2018-12-02 15:20:33,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:33,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:33,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:33,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:33,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:33,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 15:20:33,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 15:20:33,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 15:20:33,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 15:20:33,681 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 5 states. [2018-12-02 15:20:33,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:33,733 INFO L93 Difference]: Finished difference Result 71 states and 82 transitions. [2018-12-02 15:20:33,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 15:20:33,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-12-02 15:20:33,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:33,734 INFO L225 Difference]: With dead ends: 71 [2018-12-02 15:20:33,734 INFO L226 Difference]: Without dead ends: 69 [2018-12-02 15:20:33,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:20:33,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-02 15:20:33,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 42. [2018-12-02 15:20:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 15:20:33,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-12-02 15:20:33,737 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 19 [2018-12-02 15:20:33,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:33,737 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-12-02 15:20:33,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 15:20:33,738 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-12-02 15:20:33,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 15:20:33,738 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:33,738 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:33,738 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:33,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:33,738 INFO L82 PathProgramCache]: Analyzing trace with hash 356983956, now seen corresponding path program 1 times [2018-12-02 15:20:33,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:33,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:33,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:33,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:33,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:33,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 15:20:33,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 15:20:33,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 15:20:33,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-02 15:20:33,760 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2018-12-02 15:20:33,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:33,803 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2018-12-02 15:20:33,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 15:20:33,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-12-02 15:20:33,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:33,804 INFO L225 Difference]: With dead ends: 69 [2018-12-02 15:20:33,804 INFO L226 Difference]: Without dead ends: 67 [2018-12-02 15:20:33,804 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:20:33,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-02 15:20:33,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 40. [2018-12-02 15:20:33,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-02 15:20:33,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-12-02 15:20:33,808 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 20 [2018-12-02 15:20:33,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:33,809 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-12-02 15:20:33,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 15:20:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-12-02 15:20:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 15:20:33,809 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:33,809 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 15:20:33,810 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:33,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:33,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1818396113, now seen corresponding path program 1 times [2018-12-02 15:20:33,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:33,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:33,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:33,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:33,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:33,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:33,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 15:20:33,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 15:20:33,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 15:20:33,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:20:33,851 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 6 states. [2018-12-02 15:20:33,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:33,919 INFO L93 Difference]: Finished difference Result 89 states and 103 transitions. [2018-12-02 15:20:33,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 15:20:33,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-12-02 15:20:33,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:33,920 INFO L225 Difference]: With dead ends: 89 [2018-12-02 15:20:33,920 INFO L226 Difference]: Without dead ends: 87 [2018-12-02 15:20:33,920 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-12-02 15:20:33,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-12-02 15:20:33,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 38. [2018-12-02 15:20:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-02 15:20:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2018-12-02 15:20:33,924 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 21 [2018-12-02 15:20:33,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:33,924 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2018-12-02 15:20:33,924 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 15:20:33,924 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-12-02 15:20:33,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 15:20:33,924 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:33,924 INFO L402 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] [2018-12-02 15:20:33,925 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:33,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:33,925 INFO L82 PathProgramCache]: Analyzing trace with hash -535701510, now seen corresponding path program 1 times [2018-12-02 15:20:33,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:33,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:33,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:33,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:33,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:33,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 15:20:33,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 15:20:33,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 15:20:33,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 15:20:33,960 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 7 states. [2018-12-02 15:20:34,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:34,054 INFO L93 Difference]: Finished difference Result 72 states and 83 transitions. [2018-12-02 15:20:34,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 15:20:34,054 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-02 15:20:34,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:34,055 INFO L225 Difference]: With dead ends: 72 [2018-12-02 15:20:34,055 INFO L226 Difference]: Without dead ends: 70 [2018-12-02 15:20:34,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2018-12-02 15:20:34,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-02 15:20:34,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 36. [2018-12-02 15:20:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-12-02 15:20:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2018-12-02 15:20:34,059 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 22 [2018-12-02 15:20:34,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:34,059 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2018-12-02 15:20:34,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 15:20:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2018-12-02 15:20:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 15:20:34,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:34,060 INFO L402 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] [2018-12-02 15:20:34,060 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:34,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:34,061 INFO L82 PathProgramCache]: Analyzing trace with hash 573125525, now seen corresponding path program 1 times [2018-12-02 15:20:34,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:34,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:34,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:34,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:34,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:34,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:34,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:34,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 15:20:34,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 15:20:34,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 15:20:34,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:20:34,092 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand 6 states. [2018-12-02 15:20:34,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:34,186 INFO L93 Difference]: Finished difference Result 105 states and 124 transitions. [2018-12-02 15:20:34,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 15:20:34,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-02 15:20:34,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:34,187 INFO L225 Difference]: With dead ends: 105 [2018-12-02 15:20:34,187 INFO L226 Difference]: Without dead ends: 103 [2018-12-02 15:20:34,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-12-02 15:20:34,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-12-02 15:20:34,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 34. [2018-12-02 15:20:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-02 15:20:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2018-12-02 15:20:34,192 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 23 [2018-12-02 15:20:34,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:34,192 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2018-12-02 15:20:34,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 15:20:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2018-12-02 15:20:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 15:20:34,192 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:34,193 INFO L402 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] [2018-12-02 15:20:34,193 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:34,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:34,193 INFO L82 PathProgramCache]: Analyzing trace with hash 587025248, now seen corresponding path program 1 times [2018-12-02 15:20:34,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:34,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:34,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:34,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:34,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:34,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:34,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:34,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 15:20:34,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 15:20:34,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 15:20:34,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 15:20:34,232 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 7 states. [2018-12-02 15:20:34,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:34,322 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2018-12-02 15:20:34,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 15:20:34,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-02 15:20:34,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:34,323 INFO L225 Difference]: With dead ends: 70 [2018-12-02 15:20:34,323 INFO L226 Difference]: Without dead ends: 68 [2018-12-02 15:20:34,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2018-12-02 15:20:34,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-12-02 15:20:34,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 32. [2018-12-02 15:20:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-02 15:20:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-12-02 15:20:34,326 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 24 [2018-12-02 15:20:34,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:34,327 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-12-02 15:20:34,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 15:20:34,327 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-12-02 15:20:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 15:20:34,327 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 15:20:34,327 INFO L402 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] [2018-12-02 15:20:34,327 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 15:20:34,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 15:20:34,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1017916667, now seen corresponding path program 1 times [2018-12-02 15:20:34,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 15:20:34,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 15:20:34,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:34,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 15:20:34,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 15:20:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 15:20:34,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 15:20:34,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 15:20:34,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 15:20:34,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 15:20:34,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 15:20:34,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 15:20:34,355 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 6 states. [2018-12-02 15:20:34,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 15:20:34,447 INFO L93 Difference]: Finished difference Result 85 states and 100 transitions. [2018-12-02 15:20:34,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 15:20:34,447 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-02 15:20:34,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 15:20:34,447 INFO L225 Difference]: With dead ends: 85 [2018-12-02 15:20:34,447 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 15:20:34,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-02 15:20:34,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 15:20:34,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 15:20:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 15:20:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 15:20:34,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-02 15:20:34,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 15:20:34,449 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 15:20:34,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 15:20:34,449 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 15:20:34,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 15:20:34,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 15:20:34,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:20:34,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:20:34,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:20:34,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:20:34,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 15:20:34,808 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 9 [2018-12-02 15:20:34,975 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 33 [2018-12-02 15:20:35,157 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 18 [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 15:20:35,159 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 120) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 260) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 8 308) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 281) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 124) no Hoare annotation was computed. [2018-12-02 15:20:35,159 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L444 ceAbstractionStarter]: At program point L259(lines 26 301) the Hoare annotation is: (let ((.cse2 (<= (+ main_~main__j~0 4) main_~main__bufsize~0))) (let ((.cse0 (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) (.cse1 (and (<= 1 main_~main__j~0) (let ((.cse3 (<= 1 main_~main__i~0))) (or (and .cse3 (not (= 0 main_~__VERIFIER_assert__cond~12))) (and .cse3 .cse2)))))) (or (and .cse0 .cse1 (not (= 0 main_~__VERIFIER_assert__cond~14))) (and (and .cse0 (and (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__i~0))) (<= 0 main_~main__j~0)) (and .cse0 .cse1 .cse2)))) [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 280) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 266) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 136) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 224) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 270) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 240) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 212) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 8 308) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 272) no Hoare annotation was computed. [2018-12-02 15:20:35,160 INFO L448 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 8 308) the Hoare annotation is: true [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 276) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 118) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 252) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 295) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L81(lines 81 122) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L15(lines 15 307) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 262) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 283) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L444 ceAbstractionStarter]: At program point L288(lines 33 289) the Hoare annotation is: (and (< main_~main__i~0 main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= 0 main_~main__i~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= 0 main_~main__j~0)) [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 264) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2018-12-02 15:20:35,161 INFO L448 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 268) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 289) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 107) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point L158(lines 158 274) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L444 ceAbstractionStarter]: At program point L299(lines 20 307) the Hoare annotation is: (and (<= 0 main_~main__i~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-12-02 15:20:35,162 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 278) no Hoare annotation was computed. [2018-12-02 15:20:35,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:20:35 BoogieIcfgContainer [2018-12-02 15:20:35,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 15:20:35,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 15:20:35,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 15:20:35,172 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 15:20:35,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:32" (3/4) ... [2018-12-02 15:20:35,175 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 15:20:35,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 15:20:35,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 15:20:35,182 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 15:20:35,183 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 15:20:35,221 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ad9fd783-f2e7-484a-8b6e-8507b7868c77/bin-2019/uautomizer/witness.graphml [2018-12-02 15:20:35,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 15:20:35,222 INFO L168 Benchmark]: Toolchain (without parser) took 3140.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 954.4 MB in the beginning and 957.4 MB in the end (delta: -3.1 MB). Peak memory consumption was 151.6 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:35,222 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:20:35,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.80 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 939.9 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:35,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:35,223 INFO L168 Benchmark]: Boogie Preprocessor took 13.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 15:20:35,223 INFO L168 Benchmark]: RCFGBuilder took 185.04 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:35,223 INFO L168 Benchmark]: TraceAbstraction took 2675.18 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 962.3 MB in the end (delta: 119.1 MB). Peak memory consumption was 244.1 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:35,223 INFO L168 Benchmark]: Witness Printer took 49.76 ms. Allocated memory is still 1.2 GB. Free memory was 962.3 MB in the beginning and 957.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2018-12-02 15:20:35,224 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.80 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 939.9 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 185.04 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2675.18 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 962.3 MB in the end (delta: 119.1 MB). Peak memory consumption was 244.1 MB. Max. memory is 11.5 GB. * Witness Printer took 49.76 ms. Allocated memory is still 1.2 GB. Free memory was 962.3 MB in the beginning and 957.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 252]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 200]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 224]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 136]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 188]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 107]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 95]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 212]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 54]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 240]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 <= main__i && main__limit + 4 <= main__bufsize - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((main__limit + 4 <= main__bufsize && 1 <= main__j && ((1 <= main__i && !(0 == __VERIFIER_assert__cond)) || (1 <= main__i && main__j + 4 <= main__bufsize))) && !(0 == __VERIFIER_assert__cond)) || ((main__limit + 4 <= main__bufsize && main__i < main__len && 0 <= main__i) && 0 <= main__j)) || ((main__limit + 4 <= main__bufsize && 1 <= main__j && ((1 <= main__i && !(0 == __VERIFIER_assert__cond)) || (1 <= main__i && main__j + 4 <= main__bufsize))) && main__j + 4 <= main__bufsize) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((main__i < main__len && main__j + 5 <= main__bufsize) && 0 <= main__i) && main__limit + 4 <= main__bufsize) && 0 <= main__j - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 65 locations, 16 error locations. SAFE Result, 2.6s OverallTime, 16 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 917 SDtfs, 1559 SDslu, 1120 SDs, 0 SdLazy, 1186 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 528 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 23 NumberOfFragments, 118 HoareAnnotationTreeSize, 7 FomulaSimplifications, 1474945965 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1237784 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 14171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...