./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label48.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 d21c5ccf8cec8e25a14d9a868b5f3d1150798ab4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:44:58,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:44:58,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:44:58,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:44:58,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:44:58,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:44:58,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:44:58,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:44:58,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:44:58,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:44:58,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:44:58,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:44:58,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:44:58,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:44:58,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:44:58,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:44:58,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:44:58,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:44:58,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:44:58,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:44:58,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:44:58,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:44:58,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:44:58,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:44:58,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:44:58,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:44:58,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:44:58,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:44:58,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:44:58,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:44:58,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:44:58,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:44:58,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:44:58,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:44:58,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:44:58,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:44:58,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:44:58,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:44:58,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:44:58,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:44:58,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:44:58,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:44:58,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:44:58,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:44:58,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:44:58,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:44:58,653 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:44:58,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:44:58,654 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:44:58,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:44:58,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:44:58,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:44:58,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:44:58,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:44:58,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:44:58,656 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:44:58,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:44:58,656 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:44:58,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:44:58,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:44:58,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:44:58,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:44:58,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:44:58,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:44:58,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:44:58,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:44:58,658 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:44:58,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:44:58,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:44:58,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:44:58,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:44:58,659 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> d21c5ccf8cec8e25a14d9a868b5f3d1150798ab4 [2019-11-28 15:44:58,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:44:58,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:44:58,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:44:58,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:44:58,970 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:44:58,971 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2019-11-28 15:44:59,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aff0d6a3/d5e3d78df8034e568370e37c118b8b97/FLAG0815a8339 [2019-11-28 15:44:59,566 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:44:59,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2019-11-28 15:44:59,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aff0d6a3/d5e3d78df8034e568370e37c118b8b97/FLAG0815a8339 [2019-11-28 15:44:59,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aff0d6a3/d5e3d78df8034e568370e37c118b8b97 [2019-11-28 15:44:59,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:44:59,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:44:59,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:59,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:44:59,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:44:59,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:59" (1/1) ... [2019-11-28 15:44:59,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3463e911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:59, skipping insertion in model container [2019-11-28 15:44:59,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:59" (1/1) ... [2019-11-28 15:44:59,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:44:59,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:45:00,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:45:00,413 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:45:00,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:45:00,557 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:45:00,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00 WrapperNode [2019-11-28 15:45:00,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:45:00,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:45:00,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:45:00,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:45:00,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (1/1) ... [2019-11-28 15:45:00,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (1/1) ... [2019-11-28 15:45:00,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:45:00,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:45:00,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:45:00,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:45:00,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (1/1) ... [2019-11-28 15:45:00,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (1/1) ... [2019-11-28 15:45:00,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (1/1) ... [2019-11-28 15:45:00,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (1/1) ... [2019-11-28 15:45:00,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (1/1) ... [2019-11-28 15:45:00,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (1/1) ... [2019-11-28 15:45:00,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (1/1) ... [2019-11-28 15:45:00,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:45:00,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:45:00,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:45:00,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:45:00,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:45:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:45:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:45:02,252 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:45:02,252 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:45:02,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:02 BoogieIcfgContainer [2019-11-28 15:45:02,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:45:02,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:45:02,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:45:02,263 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:45:02,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:44:59" (1/3) ... [2019-11-28 15:45:02,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f97192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:45:02, skipping insertion in model container [2019-11-28 15:45:02,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:00" (2/3) ... [2019-11-28 15:45:02,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f97192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:45:02, skipping insertion in model container [2019-11-28 15:45:02,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:02" (3/3) ... [2019-11-28 15:45:02,267 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2019-11-28 15:45:02,280 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:45:02,289 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:45:02,307 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:45:02,360 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:45:02,361 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:45:02,361 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:45:02,361 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:45:02,362 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:45:02,362 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:45:02,362 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:45:02,362 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:45:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-28 15:45:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-28 15:45:02,422 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:02,424 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:02,425 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:02,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:02,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1936539381, now seen corresponding path program 1 times [2019-11-28 15:45:02,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:02,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769430854] [2019-11-28 15:45:02,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:45:03,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769430854] [2019-11-28 15:45:03,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:03,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:03,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859998795] [2019-11-28 15:45:03,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:03,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:03,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:03,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:03,088 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-28 15:45:04,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:04,691 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-11-28 15:45:04,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:04,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2019-11-28 15:45:04,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:04,720 INFO L225 Difference]: With dead ends: 775 [2019-11-28 15:45:04,720 INFO L226 Difference]: Without dead ends: 460 [2019-11-28 15:45:04,725 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:04,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-28 15:45:04,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-11-28 15:45:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-28 15:45:04,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-11-28 15:45:04,792 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 137 [2019-11-28 15:45:04,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:04,793 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-11-28 15:45:04,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:04,794 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-11-28 15:45:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-28 15:45:04,798 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:04,798 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:04,798 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:04,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:04,799 INFO L82 PathProgramCache]: Analyzing trace with hash 2067972608, now seen corresponding path program 1 times [2019-11-28 15:45:04,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:04,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207290293] [2019-11-28 15:45:04,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:45:05,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207290293] [2019-11-28 15:45:05,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:05,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:05,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237854896] [2019-11-28 15:45:05,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:05,076 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:05,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:05,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:05,077 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-11-28 15:45:06,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:06,045 INFO L93 Difference]: Finished difference Result 977 states and 1474 transitions. [2019-11-28 15:45:06,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:06,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2019-11-28 15:45:06,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:06,050 INFO L225 Difference]: With dead ends: 977 [2019-11-28 15:45:06,051 INFO L226 Difference]: Without dead ends: 588 [2019-11-28 15:45:06,053 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:06,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2019-11-28 15:45:06,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2019-11-28 15:45:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2019-11-28 15:45:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 796 transitions. [2019-11-28 15:45:06,084 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 796 transitions. Word has length 141 [2019-11-28 15:45:06,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:06,085 INFO L462 AbstractCegarLoop]: Abstraction has 588 states and 796 transitions. [2019-11-28 15:45:06,085 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:06,085 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 796 transitions. [2019-11-28 15:45:06,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-28 15:45:06,090 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:06,090 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:06,091 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:06,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:06,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1497499690, now seen corresponding path program 1 times [2019-11-28 15:45:06,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:06,092 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30511897] [2019-11-28 15:45:06,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:06,216 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:45:06,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30511897] [2019-11-28 15:45:06,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:06,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:06,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304538437] [2019-11-28 15:45:06,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:06,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:06,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:06,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:06,220 INFO L87 Difference]: Start difference. First operand 588 states and 796 transitions. Second operand 4 states. [2019-11-28 15:45:07,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:07,236 INFO L93 Difference]: Finished difference Result 2175 states and 2970 transitions. [2019-11-28 15:45:07,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:07,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2019-11-28 15:45:07,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:07,245 INFO L225 Difference]: With dead ends: 2175 [2019-11-28 15:45:07,246 INFO L226 Difference]: Without dead ends: 1589 [2019-11-28 15:45:07,248 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:07,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2019-11-28 15:45:07,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1151. [2019-11-28 15:45:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2019-11-28 15:45:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1509 transitions. [2019-11-28 15:45:07,286 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1509 transitions. Word has length 155 [2019-11-28 15:45:07,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:07,287 INFO L462 AbstractCegarLoop]: Abstraction has 1151 states and 1509 transitions. [2019-11-28 15:45:07,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1509 transitions. [2019-11-28 15:45:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-11-28 15:45:07,295 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:07,295 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:07,296 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:07,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:07,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1895468743, now seen corresponding path program 1 times [2019-11-28 15:45:07,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:07,300 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787128440] [2019-11-28 15:45:07,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:45:07,427 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787128440] [2019-11-28 15:45:07,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:07,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:45:07,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256517935] [2019-11-28 15:45:07,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:07,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:07,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:07,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:07,430 INFO L87 Difference]: Start difference. First operand 1151 states and 1509 transitions. Second operand 4 states. [2019-11-28 15:45:08,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:08,421 INFO L93 Difference]: Finished difference Result 3847 states and 5078 transitions. [2019-11-28 15:45:08,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:08,422 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2019-11-28 15:45:08,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:08,439 INFO L225 Difference]: With dead ends: 3847 [2019-11-28 15:45:08,440 INFO L226 Difference]: Without dead ends: 2698 [2019-11-28 15:45:08,444 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:08,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2019-11-28 15:45:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2132. [2019-11-28 15:45:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-11-28 15:45:08,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2646 transitions. [2019-11-28 15:45:08,524 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2646 transitions. Word has length 161 [2019-11-28 15:45:08,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:08,525 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2646 transitions. [2019-11-28 15:45:08,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:08,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2646 transitions. [2019-11-28 15:45:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-28 15:45:08,533 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:45:08,533 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:45:08,534 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:45:08,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:45:08,535 INFO L82 PathProgramCache]: Analyzing trace with hash -917417275, now seen corresponding path program 1 times [2019-11-28 15:45:08,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:45:08,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278104840] [2019-11-28 15:45:08,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:45:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:45:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 15:45:08,719 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278104840] [2019-11-28 15:45:08,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:45:08,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:45:08,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313761497] [2019-11-28 15:45:08,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:45:08,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:45:08,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:45:08,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:08,723 INFO L87 Difference]: Start difference. First operand 2132 states and 2646 transitions. Second operand 4 states. [2019-11-28 15:45:09,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:45:09,687 INFO L93 Difference]: Finished difference Result 4965 states and 6144 transitions. [2019-11-28 15:45:09,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:45:09,688 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 237 [2019-11-28 15:45:09,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:45:09,689 INFO L225 Difference]: With dead ends: 4965 [2019-11-28 15:45:09,689 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:45:09,694 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:45:09,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:45:09,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:45:09,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:45:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:45:09,695 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2019-11-28 15:45:09,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:45:09,696 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:45:09,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:45:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:45:09,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:45:09,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:45:09,902 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,903 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,903 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,903 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-28 15:45:09,903 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-28 15:45:09,903 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-28 15:45:09,903 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-28 15:45:09,904 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-28 15:45:09,904 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-28 15:45:09,904 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-28 15:45:09,904 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,904 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,904 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,904 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-28 15:45:09,904 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-28 15:45:09,905 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-28 15:45:09,907 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-28 15:45:09,907 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:45:09,907 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:45:09,908 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-28 15:45:09,908 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,908 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,908 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,908 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-28 15:45:09,909 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-28 15:45:09,909 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-28 15:45:09,909 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-28 15:45:09,909 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-28 15:45:09,910 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,910 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,910 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,910 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-28 15:45:09,910 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-28 15:45:09,911 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-28 15:45:09,911 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-28 15:45:09,911 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-28 15:45:09,911 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-28 15:45:09,911 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-28 15:45:09,912 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-28 15:45:09,912 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,912 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,912 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,912 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-28 15:45:09,913 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-28 15:45:09,913 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-28 15:45:09,913 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-28 15:45:09,913 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-28 15:45:09,913 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-28 15:45:09,914 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-28 15:45:09,914 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-28 15:45:09,914 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,914 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,915 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,915 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:45:09,915 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:45:09,915 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:45:09,915 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:45:09,916 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-28 15:45:09,916 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-28 15:45:09,916 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-28 15:45:09,916 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-28 15:45:09,916 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-28 15:45:09,917 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,917 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,917 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,917 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-28 15:45:09,917 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-28 15:45:09,918 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-28 15:45:09,918 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-28 15:45:09,918 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-28 15:45:09,918 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-28 15:45:09,918 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,919 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,919 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,919 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-28 15:45:09,919 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-28 15:45:09,919 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-28 15:45:09,920 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-28 15:45:09,920 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-28 15:45:09,920 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:45:09,920 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-28 15:45:09,920 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-28 15:45:09,920 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-28 15:45:09,921 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,921 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,921 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,921 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-28 15:45:09,921 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-28 15:45:09,922 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-28 15:45:09,922 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-28 15:45:09,922 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-28 15:45:09,922 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,922 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,923 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,923 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-28 15:45:09,923 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-28 15:45:09,923 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-28 15:45:09,923 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-28 15:45:09,923 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-28 15:45:09,924 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-28 15:45:09,924 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:45:09,924 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:45:09,924 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-28 15:45:09,924 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-28 15:45:09,925 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:45:09,925 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 583) no Hoare annotation was computed. [2019-11-28 15:45:09,925 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-28 15:45:09,925 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,925 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,926 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-28 15:45:09,926 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-28 15:45:09,926 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-28 15:45:09,926 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-28 15:45:09,926 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-28 15:45:09,927 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-28 15:45:09,927 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:45:09,927 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:45:09,927 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-28 15:45:09,928 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 11)))) (or (and (not (= ~a28~0 8)) .cse0) (and (= ~a17~0 8) (= ~a19~0 1) (= ~a21~0 1) .cse0) (not (= ~a11~0 1)))) [2019-11-28 15:45:09,928 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,928 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,928 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-28 15:45:09,929 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-28 15:45:09,929 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-28 15:45:09,929 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-28 15:45:09,929 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:45:09,929 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:45:09,929 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-28 15:45:09,930 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,930 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,930 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-28 15:45:09,930 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-28 15:45:09,930 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-28 15:45:09,931 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-28 15:45:09,931 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-28 15:45:09,931 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-28 15:45:09,931 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:45:09,931 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:45:09,932 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-28 15:45:09,932 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,932 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,932 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:45:09,932 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:45:09,933 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-28 15:45:09,933 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-28 15:45:09,933 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-28 15:45:09,933 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-28 15:45:09,934 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 11)))) (or (and (not (= ~a28~0 8)) .cse0) (and (= ~a17~0 8) (= ~a19~0 1) (= ~a21~0 1) .cse0) (not (= ~a11~0 1)))) [2019-11-28 15:45:09,934 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,934 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,934 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-28 15:45:09,934 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-28 15:45:09,935 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-28 15:45:09,935 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-28 15:45:09,935 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-28 15:45:09,935 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,935 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,935 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-28 15:45:09,936 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-28 15:45:09,936 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-28 15:45:09,936 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-28 15:45:09,936 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-28 15:45:09,936 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-28 15:45:09,937 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-28 15:45:09,937 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:45:09,937 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:45:09,937 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,937 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,938 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-28 15:45:09,938 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,938 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-28 15:45:09,938 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-28 15:45:09,939 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-28 15:45:09,939 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-28 15:45:09,939 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-28 15:45:09,939 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:45:09,939 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-28 15:45:09,940 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,940 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,940 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,940 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-28 15:45:09,940 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-28 15:45:09,941 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-28 15:45:09,941 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-28 15:45:09,941 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-28 15:45:09,941 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,941 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,942 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,942 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-28 15:45:09,942 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-28 15:45:09,942 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-28 15:45:09,942 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-28 15:45:09,942 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-28 15:45:09,943 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-28 15:45:09,943 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,943 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,943 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,943 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-28 15:45:09,944 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-28 15:45:09,944 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-28 15:45:09,944 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-28 15:45:09,944 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-28 15:45:09,944 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-28 15:45:09,944 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:45:09,945 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-28 15:45:09,945 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-28 15:45:09,945 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,945 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,946 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,946 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-28 15:45:09,946 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-28 15:45:09,946 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-28 15:45:09,946 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-28 15:45:09,947 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-28 15:45:09,947 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,947 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,947 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:45:09,947 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-28 15:45:09,948 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-28 15:45:09,948 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-28 15:45:09,948 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-28 15:45:09,948 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-28 15:45:09,948 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-28 15:45:09,948 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:45:09,949 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-28 15:45:09,949 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:45:09,949 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-28 15:45:09,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:45:09 BoogieIcfgContainer [2019-11-28 15:45:09,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:45:09,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:45:09,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:45:09,976 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:45:09,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:02" (3/4) ... [2019-11-28 15:45:09,981 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:45:10,004 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:45:10,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:45:10,180 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:45:10,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:45:10,183 INFO L168 Benchmark]: Toolchain (without parser) took 10307.79 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.4 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -273.3 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:10,184 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:45:10,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:10,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:10,186 INFO L168 Benchmark]: Boogie Preprocessor took 93.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:10,187 INFO L168 Benchmark]: RCFGBuilder took 1502.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:10,187 INFO L168 Benchmark]: TraceAbstraction took 7718.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.9 MB). Free memory was 999.7 MB in the beginning and 1.2 GB in the end (delta: -249.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:45:10,188 INFO L168 Benchmark]: Witness Printer took 205.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:45:10,190 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 682.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1502.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7718.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.9 MB). Free memory was 999.7 MB in the beginning and 1.2 GB in the end (delta: -249.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 205.04 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 583]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a28 == 8) && !(a28 == 11)) || (((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11))) || !(a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a28 == 8) && !(a28 == 11)) || (((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11))) || !(a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 7.3s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 340 SDtfs, 1306 SDslu, 182 SDs, 0 SdLazy, 3472 SolverSat, 748 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2132occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 1156 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 57 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1034 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 831 NumberOfCodeBlocks, 831 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 826 ConstructedInterpolants, 0 QuantifiedInterpolants, 476868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 174/174 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...