./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label26.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_label26.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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:44:32,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:44:32,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:44:32,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:44:32,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:44:32,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:44:32,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:44:32,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:44:32,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:44:32,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:44:32,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:44:32,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:44:32,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:44:32,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:44:32,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:44:32,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:44:32,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:44:32,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:44:32,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:44:32,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:44:32,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:44:32,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:44:32,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:44:32,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:44:32,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:44:32,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:44:32,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:44:32,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:44:32,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:44:32,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:44:32,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:44:32,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:44:32,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:44:32,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:44:32,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:44:32,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:44:32,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:44:32,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:44:32,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:44:32,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:44:32,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:44:32,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:44:32,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:44:32,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:44:32,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:44:32,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:44:32,574 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:44:32,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:44:32,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:44:32,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:44:32,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:44:32,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:44:32,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:44:32,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:44:32,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:44:32,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:44:32,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:44:32,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:44:32,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:44:32,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:44:32,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:44:32,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:44:32,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:44:32,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:44:32,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:44:32,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:44:32,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:44:32,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:44:32,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:44:32,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:44:32,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:44:32,581 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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2019-11-28 15:44:32,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:44:32,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:44:32,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:44:32,891 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:44:32,891 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:44:32,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-28 15:44:32,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4408b85/4e118c7c1ba645958800b09f101dd296/FLAGbffb32c47 [2019-11-28 15:44:33,574 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:44:33,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label26.c [2019-11-28 15:44:33,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4408b85/4e118c7c1ba645958800b09f101dd296/FLAGbffb32c47 [2019-11-28 15:44:33,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d4408b85/4e118c7c1ba645958800b09f101dd296 [2019-11-28 15:44:33,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:44:33,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:44:33,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:33,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:44:33,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:44:33,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:33" (1/1) ... [2019-11-28 15:44:33,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5562b866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:33, skipping insertion in model container [2019-11-28 15:44:33,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:33" (1/1) ... [2019-11-28 15:44:33,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:44:33,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:44:34,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:34,423 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:44:34,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:34,609 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:44:34,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34 WrapperNode [2019-11-28 15:44:34,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:34,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:34,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:44:34,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:44:34,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (1/1) ... [2019-11-28 15:44:34,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (1/1) ... [2019-11-28 15:44:34,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:34,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:44:34,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:44:34,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:44:34,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (1/1) ... [2019-11-28 15:44:34,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (1/1) ... [2019-11-28 15:44:34,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (1/1) ... [2019-11-28 15:44:34,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (1/1) ... [2019-11-28 15:44:34,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (1/1) ... [2019-11-28 15:44:34,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (1/1) ... [2019-11-28 15:44:34,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (1/1) ... [2019-11-28 15:44:34,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:44:34,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:44:34,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:44:34,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:44:34,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (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 15:44:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:44:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:44:36,252 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:44:36,252 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:44:36,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:36 BoogieIcfgContainer [2019-11-28 15:44:36,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:44:36,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:44:36,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:44:36,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:44:36,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:44:33" (1/3) ... [2019-11-28 15:44:36,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae750cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:36, skipping insertion in model container [2019-11-28 15:44:36,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:34" (2/3) ... [2019-11-28 15:44:36,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae750cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:36, skipping insertion in model container [2019-11-28 15:44:36,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:36" (3/3) ... [2019-11-28 15:44:36,262 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2019-11-28 15:44:36,273 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:44:36,282 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:44:36,296 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:44:36,328 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:44:36,329 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:44:36,329 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:44:36,329 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:44:36,329 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:44:36,330 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:44:36,330 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:44:36,330 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:44:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-28 15:44:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-28 15:44:36,374 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:36,376 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] [2019-11-28 15:44:36,377 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:36,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:36,385 INFO L82 PathProgramCache]: Analyzing trace with hash 768814821, now seen corresponding path program 1 times [2019-11-28 15:44:36,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:36,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77587976] [2019-11-28 15:44:36,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:36,875 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 15:44:36,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77587976] [2019-11-28 15:44:36,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:36,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:36,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882137324] [2019-11-28 15:44:36,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:36,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:36,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:36,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:36,905 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-28 15:44:38,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:38,312 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-28 15:44:38,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:38,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 136 [2019-11-28 15:44:38,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:38,341 INFO L225 Difference]: With dead ends: 739 [2019-11-28 15:44:38,341 INFO L226 Difference]: Without dead ends: 445 [2019-11-28 15:44:38,346 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:38,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-28 15:44:38,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-28 15:44:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-28 15:44:38,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-28 15:44:38,415 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 136 [2019-11-28 15:44:38,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:38,417 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-28 15:44:38,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:38,417 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-28 15:44:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-28 15:44:38,422 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:38,423 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] [2019-11-28 15:44:38,423 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:38,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:38,424 INFO L82 PathProgramCache]: Analyzing trace with hash -90241050, now seen corresponding path program 1 times [2019-11-28 15:44:38,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:38,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048273338] [2019-11-28 15:44:38,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:38,569 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 15:44:38,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048273338] [2019-11-28 15:44:38,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:38,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:38,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117625014] [2019-11-28 15:44:38,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:38,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:38,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:38,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:38,574 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-28 15:44:39,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:39,465 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-28 15:44:39,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:39,465 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2019-11-28 15:44:39,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:39,472 INFO L225 Difference]: With dead ends: 1470 [2019-11-28 15:44:39,472 INFO L226 Difference]: Without dead ends: 1027 [2019-11-28 15:44:39,475 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 15:44:39,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-28 15:44:39,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-28 15:44:39,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-28 15:44:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-28 15:44:39,517 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 154 [2019-11-28 15:44:39,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:39,517 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-28 15:44:39,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-28 15:44:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-28 15:44:39,522 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:39,523 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-28 15:44:39,523 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:39,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:39,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1636593553, now seen corresponding path program 1 times [2019-11-28 15:44:39,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:39,524 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512328093] [2019-11-28 15:44:39,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:39,612 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512328093] [2019-11-28 15:44:39,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:39,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:44:39,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780322738] [2019-11-28 15:44:39,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:39,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:39,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:39,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:39,614 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-28 15:44:40,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:40,856 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-28 15:44:40,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:40,856 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2019-11-28 15:44:40,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:40,867 INFO L225 Difference]: With dead ends: 2582 [2019-11-28 15:44:40,868 INFO L226 Difference]: Without dead ends: 1855 [2019-11-28 15:44:40,870 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 15:44:40,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-28 15:44:40,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-28 15:44:40,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-28 15:44:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2141 transitions. [2019-11-28 15:44:40,918 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2141 transitions. Word has length 158 [2019-11-28 15:44:40,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:40,919 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2141 transitions. [2019-11-28 15:44:40,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2141 transitions. [2019-11-28 15:44:40,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-28 15:44:40,924 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:40,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:40,925 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:40,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:40,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1768582300, now seen corresponding path program 1 times [2019-11-28 15:44:40,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:40,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897897872] [2019-11-28 15:44:40,927 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:40,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897897872] [2019-11-28 15:44:40,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:40,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:44:40,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475211566] [2019-11-28 15:44:40,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:40,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:40,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:40,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:40,997 INFO L87 Difference]: Start difference. First operand 1570 states and 2141 transitions. Second operand 3 states. [2019-11-28 15:44:41,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:41,596 INFO L93 Difference]: Finished difference Result 3840 states and 5193 transitions. [2019-11-28 15:44:41,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:41,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-11-28 15:44:41,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:41,608 INFO L225 Difference]: With dead ends: 3840 [2019-11-28 15:44:41,608 INFO L226 Difference]: Without dead ends: 2272 [2019-11-28 15:44:41,611 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:41,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-28 15:44:41,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-28 15:44:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-28 15:44:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2838 transitions. [2019-11-28 15:44:41,664 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2838 transitions. Word has length 158 [2019-11-28 15:44:41,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:41,664 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2838 transitions. [2019-11-28 15:44:41,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:41,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2838 transitions. [2019-11-28 15:44:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-28 15:44:41,670 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:41,671 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:41,671 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:41,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:41,672 INFO L82 PathProgramCache]: Analyzing trace with hash 628642087, now seen corresponding path program 1 times [2019-11-28 15:44:41,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:41,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228579473] [2019-11-28 15:44:41,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 15:44:41,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228579473] [2019-11-28 15:44:41,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:41,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:41,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941992826] [2019-11-28 15:44:41,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:41,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:41,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:41,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:41,797 INFO L87 Difference]: Start difference. First operand 2272 states and 2838 transitions. Second operand 3 states. [2019-11-28 15:44:42,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:42,304 INFO L93 Difference]: Finished difference Result 5381 states and 6669 transitions. [2019-11-28 15:44:42,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:42,305 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-11-28 15:44:42,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:42,317 INFO L225 Difference]: With dead ends: 5381 [2019-11-28 15:44:42,317 INFO L226 Difference]: Without dead ends: 2546 [2019-11-28 15:44:42,321 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:42,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2019-11-28 15:44:42,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2125. [2019-11-28 15:44:42,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-11-28 15:44:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2479 transitions. [2019-11-28 15:44:42,366 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2479 transitions. Word has length 163 [2019-11-28 15:44:42,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:42,367 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2479 transitions. [2019-11-28 15:44:42,367 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:42,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2479 transitions. [2019-11-28 15:44:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-28 15:44:42,372 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:42,373 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:42,373 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:42,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:42,374 INFO L82 PathProgramCache]: Analyzing trace with hash 984032927, now seen corresponding path program 1 times [2019-11-28 15:44:42,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:42,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187574236] [2019-11-28 15:44:42,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-28 15:44:42,446 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187574236] [2019-11-28 15:44:42,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:42,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:44:42,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846001788] [2019-11-28 15:44:42,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:42,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:42,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:42,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:42,449 INFO L87 Difference]: Start difference. First operand 2125 states and 2479 transitions. Second operand 4 states. [2019-11-28 15:44:43,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:43,060 INFO L93 Difference]: Finished difference Result 4388 states and 5107 transitions. [2019-11-28 15:44:43,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:43,060 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-11-28 15:44:43,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:43,071 INFO L225 Difference]: With dead ends: 4388 [2019-11-28 15:44:43,071 INFO L226 Difference]: Without dead ends: 1985 [2019-11-28 15:44:43,074 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 15:44:43,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1985 states. [2019-11-28 15:44:43,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1985 to 1705. [2019-11-28 15:44:43,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2019-11-28 15:44:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 1937 transitions. [2019-11-28 15:44:43,114 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 1937 transitions. Word has length 174 [2019-11-28 15:44:43,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:43,115 INFO L462 AbstractCegarLoop]: Abstraction has 1705 states and 1937 transitions. [2019-11-28 15:44:43,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1937 transitions. [2019-11-28 15:44:43,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-28 15:44:43,119 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:43,120 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:43,120 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:43,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:43,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1962121537, now seen corresponding path program 1 times [2019-11-28 15:44:43,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:43,125 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704614515] [2019-11-28 15:44:43,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 15:44:43,206 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704614515] [2019-11-28 15:44:43,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:43,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:43,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761003842] [2019-11-28 15:44:43,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:43,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:43,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:43,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:43,217 INFO L87 Difference]: Start difference. First operand 1705 states and 1937 transitions. Second operand 3 states. [2019-11-28 15:44:43,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:43,664 INFO L93 Difference]: Finished difference Result 3411 states and 3863 transitions. [2019-11-28 15:44:43,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:43,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-11-28 15:44:43,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:43,672 INFO L225 Difference]: With dead ends: 3411 [2019-11-28 15:44:43,672 INFO L226 Difference]: Without dead ends: 1707 [2019-11-28 15:44:43,675 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:43,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-11-28 15:44:43,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2019-11-28 15:44:43,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-28 15:44:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1867 transitions. [2019-11-28 15:44:43,703 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1867 transitions. Word has length 187 [2019-11-28 15:44:43,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:43,704 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1867 transitions. [2019-11-28 15:44:43,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1867 transitions. [2019-11-28 15:44:43,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-11-28 15:44:43,710 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:43,710 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:43,710 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:43,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:43,711 INFO L82 PathProgramCache]: Analyzing trace with hash -747241302, now seen corresponding path program 1 times [2019-11-28 15:44:43,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:43,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045151898] [2019-11-28 15:44:43,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 125 proven. 3 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-11-28 15:44:43,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045151898] [2019-11-28 15:44:43,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243517611] [2019-11-28 15:44:43,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:44:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:44,057 INFO L264 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 15:44:44,072 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 15:44:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-28 15:44:44,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 15:44:44,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-28 15:44:44,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126111929] [2019-11-28 15:44:44,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:44,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:44,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:44,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:44:44,191 INFO L87 Difference]: Start difference. First operand 1703 states and 1867 transitions. Second operand 3 states. [2019-11-28 15:44:44,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:44,832 INFO L93 Difference]: Finished difference Result 3818 states and 4177 transitions. [2019-11-28 15:44:44,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:44,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2019-11-28 15:44:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:44,833 INFO L225 Difference]: With dead ends: 3818 [2019-11-28 15:44:44,833 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:44:44,837 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-28 15:44:44,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:44:44,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:44:44,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:44:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:44:44,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2019-11-28 15:44:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:44,839 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:44:44,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:44:44,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:44:45,043 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 15:44:45,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:44:45,434 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-28 15:44:45,627 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2019-11-28 15:44:45,631 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,631 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,631 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,631 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-28 15:44:45,631 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-28 15:44:45,631 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-28 15:44:45,632 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-28 15:44:45,632 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-28 15:44:45,632 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-28 15:44:45,632 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-28 15:44:45,632 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,632 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,632 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,632 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-28 15:44:45,633 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-28 15:44:45,633 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-28 15:44:45,633 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-28 15:44:45,633 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:44:45,633 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-28 15:44:45,633 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-28 15:44:45,633 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,633 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,633 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,634 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-28 15:44:45,639 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-28 15:44:45,639 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-28 15:44:45,640 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-28 15:44:45,640 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-28 15:44:45,640 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,640 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,640 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,640 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-28 15:44:45,640 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-28 15:44:45,640 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-28 15:44:45,641 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-28 15:44:45,641 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-28 15:44:45,641 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-28 15:44:45,641 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-28 15:44:45,641 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-28 15:44:45,641 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,641 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,641 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,641 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-28 15:44:45,642 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-28 15:44:45,642 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-28 15:44:45,642 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-28 15:44:45,642 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-28 15:44:45,642 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-28 15:44:45,642 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-28 15:44:45,642 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-28 15:44:45,642 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,642 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,643 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,643 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:44:45,643 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:44:45,643 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-28 15:44:45,643 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-28 15:44:45,643 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-28 15:44:45,643 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-28 15:44:45,643 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-28 15:44:45,643 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-28 15:44:45,644 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-28 15:44:45,651 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,651 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,651 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,652 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-28 15:44:45,652 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-28 15:44:45,652 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-28 15:44:45,652 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-28 15:44:45,652 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-28 15:44:45,652 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-28 15:44:45,652 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,652 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,652 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,653 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-28 15:44:45,653 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-28 15:44:45,653 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-28 15:44:45,653 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-28 15:44:45,653 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-28 15:44:45,653 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:44:45,653 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-28 15:44:45,653 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-28 15:44:45,653 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-28 15:44:45,654 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,654 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,654 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,654 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-28 15:44:45,654 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-28 15:44:45,654 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-28 15:44:45,654 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-28 15:44:45,654 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-28 15:44:45,654 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,654 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,655 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,655 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-28 15:44:45,655 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-28 15:44:45,655 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-28 15:44:45,655 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-28 15:44:45,655 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-28 15:44:45,655 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-28 15:44:45,655 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:44:45,656 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-28 15:44:45,657 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-28 15:44:45,657 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-28 15:44:45,657 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:44:45,657 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2019-11-28 15:44:45,657 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-28 15:44:45,658 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,658 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,658 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-28 15:44:45,658 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-28 15:44:45,658 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-28 15:44:45,658 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-28 15:44:45,658 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-28 15:44:45,658 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-28 15:44:45,658 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:44:45,658 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-28 15:44:45,659 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-28 15:44:45,659 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a11~0 1))) (let ((.cse1 (<= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse0 (or (and .cse8 .cse6 .cse4) (and .cse8 .cse3 .cse6))) (.cse9 (= ~a28~0 9)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5) (and .cse3 .cse6 .cse5) (and .cse7 .cse8 .cse2) (and .cse7 .cse2 .cse4) (and .cse9 .cse2 .cse6) (and .cse8 .cse2 .cse6 .cse4) (and .cse0 .cse7) (and .cse9 .cse7))))) [2019-11-28 15:44:45,659 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,659 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,660 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-28 15:44:45,660 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-28 15:44:45,660 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-28 15:44:45,660 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-28 15:44:45,660 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:44:45,660 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-28 15:44:45,660 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-28 15:44:45,660 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,660 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,661 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-28 15:44:45,661 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-28 15:44:45,661 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-28 15:44:45,661 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-28 15:44:45,661 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-28 15:44:45,661 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-28 15:44:45,661 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:44:45,661 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-28 15:44:45,661 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-28 15:44:45,662 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,663 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,663 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:44:45,663 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-28 15:44:45,663 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-28 15:44:45,664 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-28 15:44:45,664 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-28 15:44:45,664 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-28 15:44:45,664 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (= ~a25~0 1))) (let ((.cse4 (not (= ~a28~0 11))) (.cse8 (not .cse5)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a11~0 1))) (let ((.cse1 (<= 10 ~a28~0)) (.cse2 (= ~a17~0 8)) (.cse0 (or (and .cse8 .cse6 .cse4) (and .cse8 .cse3 .cse6))) (.cse9 (= ~a28~0 9)) (.cse7 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse1 .cse3 .cse5) (and .cse3 .cse6 .cse5) (and .cse7 .cse8 .cse2) (and .cse7 .cse2 .cse4) (and .cse9 .cse2 .cse6) (and .cse8 .cse2 .cse6 .cse4) (and .cse0 .cse7) (and .cse9 .cse7))))) [2019-11-28 15:44:45,664 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,665 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,665 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-28 15:44:45,665 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-28 15:44:45,665 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-28 15:44:45,665 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-28 15:44:45,666 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-28 15:44:45,666 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,666 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,666 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-28 15:44:45,666 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-28 15:44:45,667 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-28 15:44:45,667 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-28 15:44:45,667 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-28 15:44:45,667 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-28 15:44:45,667 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-28 15:44:45,667 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:44:45,667 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-28 15:44:45,667 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,668 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,668 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-28 15:44:45,668 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,668 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-28 15:44:45,668 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-28 15:44:45,668 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-28 15:44:45,668 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-28 15:44:45,668 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-28 15:44:45,669 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:44:45,669 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-28 15:44:45,669 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,669 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,669 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,669 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-28 15:44:45,669 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-28 15:44:45,669 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-28 15:44:45,670 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-28 15:44:45,670 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-28 15:44:45,670 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,670 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,670 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,670 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-28 15:44:45,670 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-28 15:44:45,670 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-28 15:44:45,671 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-28 15:44:45,671 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-28 15:44:45,671 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-28 15:44:45,671 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,671 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,671 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,671 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-28 15:44:45,671 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-28 15:44:45,671 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-28 15:44:45,672 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-28 15:44:45,672 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-28 15:44:45,672 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-28 15:44:45,672 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:44:45,672 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-28 15:44:45,672 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-28 15:44:45,672 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,672 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,673 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,673 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-28 15:44:45,673 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-28 15:44:45,673 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-28 15:44:45,673 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-28 15:44:45,673 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-28 15:44:45,673 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,673 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,673 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-28 15:44:45,674 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-28 15:44:45,674 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-28 15:44:45,674 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-28 15:44:45,674 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-28 15:44:45,674 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-28 15:44:45,674 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-28 15:44:45,674 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:44:45,674 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-28 15:44:45,675 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-28 15:44:45,675 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-28 15:44:45,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:44:45 BoogieIcfgContainer [2019-11-28 15:44:45,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:44:45,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:44:45,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:44:45,729 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:44:45,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:36" (3/4) ... [2019-11-28 15:44:45,734 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:44:45,769 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:44:45,770 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:44:46,002 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:44:46,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:44:46,004 INFO L168 Benchmark]: Toolchain (without parser) took 12190.15 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 434.6 MB). Free memory was 953.7 MB in the beginning and 1.3 GB in the end (delta: -313.7 MB). Peak memory consumption was 120.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:46,005 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:44:46,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:46,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.20 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:46,006 INFO L168 Benchmark]: Boogie Preprocessor took 63.66 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:46,006 INFO L168 Benchmark]: RCFGBuilder took 1495.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.7 MB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:46,006 INFO L168 Benchmark]: TraceAbstraction took 9473.82 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 288.9 MB). Free memory was 996.7 MB in the beginning and 1.3 GB in the end (delta: -282.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:46,007 INFO L168 Benchmark]: Witness Printer took 273.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:46,009 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 794.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.20 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.66 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1495.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.7 MB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9473.82 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 288.9 MB). Free memory was 996.7 MB in the beginning and 1.3 GB in the end (delta: -282.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * Witness Printer took 273.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: ((((((((((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && 10 <= a28) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a19 <= 0)) || (a28 == 9 && a19 <= 0) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && 10 <= a28) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 == 1 && a11 == 1) && a25 == 1)) || ((a19 <= 0 && !(a25 == 1)) && a17 == 8)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((a28 == 9 && a17 == 8) && a11 == 1)) || (((!(a25 == 1) && a17 == 8) && a11 == 1) && !(a28 == 11))) || ((((!(a25 == 1) && a11 == 1) && !(a28 == 11)) || ((!(a25 == 1) && a19 == 1) && a11 == 1)) && a19 <= 0)) || (a28 == 9 && a19 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 8.7s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1152 SDtfs, 1525 SDslu, 214 SDs, 0 SdLazy, 4086 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 291 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 285 HoareAnnotationTreeSize, 3 FomulaSimplifications, 636 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 316 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1692 NumberOfCodeBlocks, 1692 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1683 ConstructedInterpolants, 0 QuantifiedInterpolants, 626270 SizeOfPredicates, 1 NumberOfNonLiveVariables, 445 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 770/773 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...