./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem14_label15.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/Problem14_label15.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 d7e0aa8bfb25088281b46305e78bdc6c2adff9ac .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:14:30,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:14:30,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:14:30,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:14:30,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:14:30,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:14:30,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:14:30,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:14:30,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:14:30,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:14:30,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:14:30,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:14:30,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:14:30,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:14:30,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:14:30,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:14:30,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:14:30,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:14:30,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:14:30,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:14:30,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:14:30,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:14:30,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:14:30,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:14:30,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:14:30,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:14:30,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:14:30,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:14:30,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:14:30,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:14:30,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:14:30,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:14:30,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:14:30,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:14:30,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:14:30,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:14:30,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:14:30,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:14:30,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:14:30,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:14:30,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:14:30,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:14:30,353 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:14:30,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:14:30,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:14:30,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:14:30,355 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:14:30,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:14:30,356 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:14:30,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:14:30,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:14:30,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:14:30,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:14:30,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:14:30,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:14:30,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:14:30,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:14:30,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:14:30,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:14:30,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:14:30,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:14:30,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:14:30,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:14:30,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:14:30,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:14:30,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:14:30,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:14:30,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:14:30,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:14:30,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:14:30,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:14:30,363 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 -> d7e0aa8bfb25088281b46305e78bdc6c2adff9ac [2019-11-28 16:14:30,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:14:30,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:14:30,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:14:30,737 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:14:30,738 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:14:30,739 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label15.c [2019-11-28 16:14:30,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a637dfa/5e05106a2910469584d7d84201b10c68/FLAG984ae0d39 [2019-11-28 16:14:31,423 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:14:31,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label15.c [2019-11-28 16:14:31,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a637dfa/5e05106a2910469584d7d84201b10c68/FLAG984ae0d39 [2019-11-28 16:14:31,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7a637dfa/5e05106a2910469584d7d84201b10c68 [2019-11-28 16:14:31,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:14:31,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:14:31,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:14:31,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:14:31,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:14:31,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:14:31" (1/1) ... [2019-11-28 16:14:31,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f7d783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:31, skipping insertion in model container [2019-11-28 16:14:31,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:14:31" (1/1) ... [2019-11-28 16:14:31,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:14:31,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:14:32,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:14:32,318 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:14:32,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:14:32,464 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:14:32,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32 WrapperNode [2019-11-28 16:14:32,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:14:32,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:14:32,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:14:32,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:14:32,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:14:32,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:14:32,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:14:32,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:14:32,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (1/1) ... [2019-11-28 16:14:32,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:14:32,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:14:32,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:14:32,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:14:32,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (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 16:14:32,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:14:32,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:14:34,424 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:14:34,426 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 16:14:34,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:14:34 BoogieIcfgContainer [2019-11-28 16:14:34,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:14:34,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:14:34,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:14:34,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:14:34,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:14:31" (1/3) ... [2019-11-28 16:14:34,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443a71e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:14:34, skipping insertion in model container [2019-11-28 16:14:34,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:14:32" (2/3) ... [2019-11-28 16:14:34,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443a71e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:14:34, skipping insertion in model container [2019-11-28 16:14:34,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:14:34" (3/3) ... [2019-11-28 16:14:34,445 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label15.c [2019-11-28 16:14:34,455 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:14:34,463 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:14:34,476 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:14:34,505 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:14:34,505 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:14:34,505 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:14:34,505 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:14:34,506 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:14:34,506 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:14:34,506 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:14:34,506 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:14:34,531 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-28 16:14:34,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-28 16:14:34,541 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:34,542 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:14:34,543 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:34,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:34,550 INFO L82 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2019-11-28 16:14:34,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:34,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962085134] [2019-11-28 16:14:34,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:34,922 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 16:14:34,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962085134] [2019-11-28 16:14:34,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:14:34,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 16:14:34,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497283401] [2019-11-28 16:14:34,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:14:34,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:34,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:14:34,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:14:34,949 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-28 16:14:36,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:36,871 INFO L93 Difference]: Finished difference Result 866 states and 1574 transitions. [2019-11-28 16:14:36,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:14:36,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 65 [2019-11-28 16:14:36,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:36,894 INFO L225 Difference]: With dead ends: 866 [2019-11-28 16:14:36,894 INFO L226 Difference]: Without dead ends: 538 [2019-11-28 16:14:36,901 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 16:14:36,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-28 16:14:37,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-28 16:14:37,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-28 16:14:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 784 transitions. [2019-11-28 16:14:37,012 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 784 transitions. Word has length 65 [2019-11-28 16:14:37,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:37,014 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 784 transitions. [2019-11-28 16:14:37,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:14:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 784 transitions. [2019-11-28 16:14:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-28 16:14:37,026 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:37,027 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:14:37,027 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:37,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:37,028 INFO L82 PathProgramCache]: Analyzing trace with hash 665712658, now seen corresponding path program 1 times [2019-11-28 16:14:37,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:37,028 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561656323] [2019-11-28 16:14:37,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:14:37,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561656323] [2019-11-28 16:14:37,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:14:37,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 16:14:37,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26881351] [2019-11-28 16:14:37,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 16:14:37,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:37,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 16:14:37,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:14:37,582 INFO L87 Difference]: Start difference. First operand 538 states and 784 transitions. Second operand 6 states. [2019-11-28 16:14:39,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:39,490 INFO L93 Difference]: Finished difference Result 1608 states and 2268 transitions. [2019-11-28 16:14:39,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:14:39,491 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 173 [2019-11-28 16:14:39,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:39,498 INFO L225 Difference]: With dead ends: 1608 [2019-11-28 16:14:39,498 INFO L226 Difference]: Without dead ends: 1072 [2019-11-28 16:14:39,501 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-11-28 16:14:39,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2019-11-28 16:14:39,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2019-11-28 16:14:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2019-11-28 16:14:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1450 transitions. [2019-11-28 16:14:39,543 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1450 transitions. Word has length 173 [2019-11-28 16:14:39,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:39,544 INFO L462 AbstractCegarLoop]: Abstraction has 1072 states and 1450 transitions. [2019-11-28 16:14:39,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 16:14:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1450 transitions. [2019-11-28 16:14:39,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-28 16:14:39,549 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:39,550 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:14:39,550 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:39,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:39,551 INFO L82 PathProgramCache]: Analyzing trace with hash 305239778, now seen corresponding path program 1 times [2019-11-28 16:14:39,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:39,551 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300992697] [2019-11-28 16:14:39,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:39,681 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-28 16:14:39,682 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300992697] [2019-11-28 16:14:39,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:14:39,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 16:14:39,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810715692] [2019-11-28 16:14:39,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:14:39,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:39,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:14:39,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 16:14:39,689 INFO L87 Difference]: Start difference. First operand 1072 states and 1450 transitions. Second operand 4 states. [2019-11-28 16:14:41,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:41,137 INFO L93 Difference]: Finished difference Result 3210 states and 4418 transitions. [2019-11-28 16:14:41,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:14:41,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 239 [2019-11-28 16:14:41,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:41,149 INFO L225 Difference]: With dead ends: 3210 [2019-11-28 16:14:41,149 INFO L226 Difference]: Without dead ends: 2140 [2019-11-28 16:14:41,152 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 16:14:41,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2019-11-28 16:14:41,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1606. [2019-11-28 16:14:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2019-11-28 16:14:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2099 transitions. [2019-11-28 16:14:41,193 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2099 transitions. Word has length 239 [2019-11-28 16:14:41,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:41,194 INFO L462 AbstractCegarLoop]: Abstraction has 1606 states and 2099 transitions. [2019-11-28 16:14:41,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:14:41,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2099 transitions. [2019-11-28 16:14:41,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-28 16:14:41,199 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:41,200 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:14:41,200 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:41,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:41,201 INFO L82 PathProgramCache]: Analyzing trace with hash -719048059, now seen corresponding path program 1 times [2019-11-28 16:14:41,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:41,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257438722] [2019-11-28 16:14:41,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 166 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-28 16:14:41,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257438722] [2019-11-28 16:14:41,536 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205663384] [2019-11-28 16:14:41,536 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 16:14:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:41,639 INFO L264 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 16:14:41,652 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:14:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-28 16:14:41,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 16:14:41,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2019-11-28 16:14:41,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156748400] [2019-11-28 16:14:41,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 16:14:41,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:41,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 16:14:41,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-28 16:14:41,792 INFO L87 Difference]: Start difference. First operand 1606 states and 2099 transitions. Second operand 4 states. [2019-11-28 16:14:43,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:43,660 INFO L93 Difference]: Finished difference Result 4456 states and 5853 transitions. [2019-11-28 16:14:43,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:14:43,660 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 253 [2019-11-28 16:14:43,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:43,686 INFO L225 Difference]: With dead ends: 4456 [2019-11-28 16:14:43,686 INFO L226 Difference]: Without dead ends: 2852 [2019-11-28 16:14:43,691 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-28 16:14:43,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2019-11-28 16:14:43,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2496. [2019-11-28 16:14:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2019-11-28 16:14:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3150 transitions. [2019-11-28 16:14:43,781 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3150 transitions. Word has length 253 [2019-11-28 16:14:43,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:43,782 INFO L462 AbstractCegarLoop]: Abstraction has 2496 states and 3150 transitions. [2019-11-28 16:14:43,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 16:14:43,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3150 transitions. [2019-11-28 16:14:43,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-11-28 16:14:43,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:43,798 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-28 16:14:44,006 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:44,006 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:44,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:44,007 INFO L82 PathProgramCache]: Analyzing trace with hash 584486997, now seen corresponding path program 1 times [2019-11-28 16:14:44,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:44,008 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932824046] [2019-11-28 16:14:44,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:44,520 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 263 proven. 4 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2019-11-28 16:14:44,521 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932824046] [2019-11-28 16:14:44,522 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174960932] [2019-11-28 16:14:44,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:44,676 INFO L264 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 16:14:44,708 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:14:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-11-28 16:14:44,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 16:14:44,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-28 16:14:44,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440009825] [2019-11-28 16:14:44,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 16:14:44,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:44,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 16:14:44,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:14:44,836 INFO L87 Difference]: Start difference. First operand 2496 states and 3150 transitions. Second operand 3 states. [2019-11-28 16:14:45,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:45,722 INFO L93 Difference]: Finished difference Result 6236 states and 7983 transitions. [2019-11-28 16:14:45,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 16:14:45,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2019-11-28 16:14:45,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:45,749 INFO L225 Difference]: With dead ends: 6236 [2019-11-28 16:14:45,749 INFO L226 Difference]: Without dead ends: 3742 [2019-11-28 16:14:45,754 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:14:45,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-11-28 16:14:45,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3564. [2019-11-28 16:14:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2019-11-28 16:14:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4368 transitions. [2019-11-28 16:14:45,870 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4368 transitions. Word has length 340 [2019-11-28 16:14:45,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:45,871 INFO L462 AbstractCegarLoop]: Abstraction has 3564 states and 4368 transitions. [2019-11-28 16:14:45,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 16:14:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4368 transitions. [2019-11-28 16:14:45,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2019-11-28 16:14:45,892 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:14:45,892 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:14:46,107 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:46,107 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:14:46,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:14:46,107 INFO L82 PathProgramCache]: Analyzing trace with hash 944677010, now seen corresponding path program 1 times [2019-11-28 16:14:46,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:14:46,108 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095162078] [2019-11-28 16:14:46,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:14:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 274 proven. 4 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-11-28 16:14:46,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095162078] [2019-11-28 16:14:46,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872031286] [2019-11-28 16:14:46,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:14:46,796 INFO L264 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 16:14:46,803 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:14:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 330 proven. 45 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-28 16:14:47,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 16:14:47,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-11-28 16:14:47,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664922647] [2019-11-28 16:14:47,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 16:14:47,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:14:47,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 16:14:47,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 16:14:47,014 INFO L87 Difference]: Start difference. First operand 3564 states and 4368 transitions. Second operand 8 states. [2019-11-28 16:14:50,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:14:50,294 INFO L93 Difference]: Finished difference Result 7734 states and 9535 transitions. [2019-11-28 16:14:50,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 16:14:50,295 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 418 [2019-11-28 16:14:50,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:14:50,296 INFO L225 Difference]: With dead ends: 7734 [2019-11-28 16:14:50,296 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:14:50,305 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-11-28 16:14:50,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:14:50,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:14:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:14:50,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:14:50,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 418 [2019-11-28 16:14:50,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:14:50,317 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:14:50,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 16:14:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:14:50,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:14:50,529 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 16:14:50,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:14:50,707 INFO L246 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-28 16:14:50,707 INFO L246 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-28 16:14:50,707 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,707 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,707 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,707 INFO L246 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-28 16:14:50,708 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-28 16:14:50,708 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-28 16:14:50,708 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-28 16:14:50,708 INFO L246 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-28 16:14:50,708 INFO L246 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-28 16:14:50,708 INFO L246 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-28 16:14:50,708 INFO L246 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-28 16:14:50,708 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,708 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,709 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,709 INFO L246 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-28 16:14:50,709 INFO L246 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-28 16:14:50,709 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-28 16:14:50,709 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-28 16:14:50,709 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-28 16:14:50,709 INFO L246 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-28 16:14:50,709 INFO L246 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-28 16:14:50,709 INFO L246 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-28 16:14:50,709 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,710 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,711 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,711 INFO L246 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-28 16:14:50,711 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-28 16:14:50,711 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-28 16:14:50,711 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-28 16:14:50,711 INFO L246 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-28 16:14:50,711 INFO L246 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-28 16:14:50,711 INFO L246 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-28 16:14:50,712 INFO L246 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-28 16:14:50,712 INFO L246 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-28 16:14:50,712 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,712 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,713 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,713 INFO L246 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-28 16:14:50,714 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-28 16:14:50,714 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-28 16:14:50,714 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-28 16:14:50,715 INFO L246 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-28 16:14:50,715 INFO L246 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-28 16:14:50,715 INFO L246 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-28 16:14:50,715 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,716 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,716 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,716 INFO L246 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-28 16:14:50,716 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-28 16:14:50,717 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-28 16:14:50,717 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-28 16:14:50,717 INFO L246 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-28 16:14:50,717 INFO L246 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-28 16:14:50,718 INFO L246 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-28 16:14:50,718 INFO L246 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-28 16:14:50,718 INFO L246 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-28 16:14:50,718 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,719 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,719 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,719 INFO L246 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-28 16:14:50,719 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-28 16:14:50,720 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-28 16:14:50,720 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-28 16:14:50,720 INFO L246 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-28 16:14:50,720 INFO L246 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-28 16:14:50,721 INFO L246 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-28 16:14:50,721 INFO L246 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-28 16:14:50,721 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,721 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,721 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,722 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-28 16:14:50,722 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-28 16:14:50,722 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-28 16:14:50,722 INFO L246 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-28 16:14:50,723 INFO L246 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-28 16:14:50,723 INFO L246 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-28 16:14:50,723 INFO L246 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-28 16:14:50,723 INFO L246 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-28 16:14:50,724 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,724 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,724 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,724 INFO L246 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-28 16:14:50,725 INFO L246 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-28 16:14:50,725 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:14:50,725 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-28 16:14:50,725 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-28 16:14:50,726 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-28 16:14:50,726 INFO L246 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-28 16:14:50,726 INFO L246 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-28 16:14:50,726 INFO L246 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-28 16:14:50,726 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,727 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,727 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,727 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-28 16:14:50,727 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-28 16:14:50,727 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-28 16:14:50,727 INFO L246 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-28 16:14:50,730 INFO L246 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-28 16:14:50,730 INFO L246 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-28 16:14:50,730 INFO L246 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-28 16:14:50,731 INFO L246 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-28 16:14:50,731 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,731 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,731 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,732 INFO L246 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-28 16:14:50,732 INFO L246 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-28 16:14:50,732 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-28 16:14:50,732 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-28 16:14:50,733 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-28 16:14:50,733 INFO L246 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-28 16:14:50,733 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:14:50,733 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2019-11-28 16:14:50,734 INFO L246 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-28 16:14:50,734 INFO L246 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-28 16:14:50,734 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,735 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,735 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,735 INFO L246 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-28 16:14:50,736 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-28 16:14:50,739 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-28 16:14:50,739 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-28 16:14:50,739 INFO L246 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-28 16:14:50,740 INFO L246 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-28 16:14:50,740 INFO L246 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-28 16:14:50,740 INFO L246 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-28 16:14:50,740 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,741 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,741 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,741 INFO L246 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-28 16:14:50,741 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-28 16:14:50,742 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-28 16:14:50,742 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-28 16:14:50,742 INFO L246 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-28 16:14:50,742 INFO L246 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-28 16:14:50,742 INFO L246 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-28 16:14:50,743 INFO L246 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-28 16:14:50,743 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,743 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,743 INFO L246 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-28 16:14:50,743 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-28 16:14:50,744 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-28 16:14:50,744 INFO L246 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-28 16:14:50,744 INFO L246 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-28 16:14:50,744 INFO L246 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-28 16:14:50,744 INFO L246 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-28 16:14:50,744 INFO L246 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-28 16:14:50,745 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,745 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,745 INFO L246 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-28 16:14:50,745 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-28 16:14:50,745 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-28 16:14:50,745 INFO L246 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-28 16:14:50,746 INFO L246 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-28 16:14:50,746 INFO L246 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-28 16:14:50,746 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,746 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,747 INFO L242 CegarLoopResult]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse1 (<= ~a21~0 6)) (.cse0 (= ~a24~0 1))) (or (and .cse0 (= ~a21~0 10)) (and (<= ~a15~0 8) (<= (+ ~a12~0 49) 0) .cse1) (and .cse0 .cse1) (and (or (<= ~a12~0 80) (not (= ~a15~0 5))) .cse0))) [2019-11-28 16:14:50,747 INFO L246 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-28 16:14:50,748 INFO L246 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-28 16:14:50,748 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-28 16:14:50,748 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-28 16:14:50,748 INFO L246 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-28 16:14:50,749 INFO L246 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-28 16:14:50,749 INFO L246 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-28 16:14:50,749 INFO L246 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-28 16:14:50,749 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,750 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,750 INFO L249 CegarLoopResult]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-28 16:14:50,750 INFO L246 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-28 16:14:50,750 INFO L246 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-28 16:14:50,750 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-28 16:14:50,751 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-28 16:14:50,751 INFO L246 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-28 16:14:50,751 INFO L246 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-28 16:14:50,751 INFO L246 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-28 16:14:50,752 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,752 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,752 INFO L246 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-28 16:14:50,752 INFO L246 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-28 16:14:50,753 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-28 16:14:50,753 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-28 16:14:50,753 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:14:50,753 INFO L246 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-28 16:14:50,753 INFO L246 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-28 16:14:50,754 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,754 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,754 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-28 16:14:50,754 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,755 INFO L246 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-28 16:14:50,756 INFO L242 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse1 (<= ~a21~0 6)) (.cse0 (= ~a24~0 1))) (or (and .cse0 (= ~a21~0 10)) (and (<= ~a15~0 8) (<= (+ ~a12~0 49) 0) .cse1) (and .cse0 .cse1) (and (or (<= ~a12~0 80) (not (= ~a15~0 5))) .cse0))) [2019-11-28 16:14:50,757 INFO L246 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-28 16:14:50,757 INFO L246 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-28 16:14:50,757 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-28 16:14:50,757 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-28 16:14:50,757 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-28 16:14:50,758 INFO L246 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-28 16:14:50,758 INFO L246 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-28 16:14:50,758 INFO L246 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-28 16:14:50,758 INFO L246 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-28 16:14:50,758 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,759 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,759 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,759 INFO L246 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-28 16:14:50,759 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-28 16:14:50,759 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-28 16:14:50,759 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-28 16:14:50,760 INFO L246 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-28 16:14:50,760 INFO L246 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-28 16:14:50,760 INFO L246 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-28 16:14:50,760 INFO L246 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-28 16:14:50,760 INFO L246 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-28 16:14:50,760 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,761 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,761 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,761 INFO L246 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-28 16:14:50,761 INFO L246 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-28 16:14:50,761 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-28 16:14:50,761 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-28 16:14:50,761 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:14:50,762 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-28 16:14:50,762 INFO L246 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-28 16:14:50,762 INFO L246 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-28 16:14:50,762 INFO L246 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-28 16:14:50,762 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,762 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,763 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,763 INFO L246 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-28 16:14:50,763 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-28 16:14:50,763 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-28 16:14:50,763 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-28 16:14:50,763 INFO L246 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-28 16:14:50,764 INFO L246 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-28 16:14:50,764 INFO L246 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-28 16:14:50,764 INFO L246 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-28 16:14:50,764 INFO L246 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-28 16:14:50,764 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,764 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,765 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-28 16:14:50,765 INFO L246 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-28 16:14:50,765 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-28 16:14:50,765 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-28 16:14:50,765 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-28 16:14:50,765 INFO L246 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-28 16:14:50,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:14:50 BoogieIcfgContainer [2019-11-28 16:14:50,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:14:50,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:14:50,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:14:50,794 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:14:50,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:14:34" (3/4) ... [2019-11-28 16:14:50,799 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 16:14:50,822 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 16:14:50,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 16:14:51,062 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:14:51,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:14:51,065 INFO L168 Benchmark]: Toolchain (without parser) took 19366.68 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 681.1 MB). Free memory was 955.0 MB in the beginning and 1.3 GB in the end (delta: -366.9 MB). Peak memory consumption was 314.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:51,066 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:14:51,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:51,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:51,067 INFO L168 Benchmark]: Boogie Preprocessor took 82.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:51,068 INFO L168 Benchmark]: RCFGBuilder took 1757.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.8 MB in the end (delta: 132.4 MB). Peak memory consumption was 132.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:51,068 INFO L168 Benchmark]: TraceAbstraction took 16362.51 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 547.4 MB). Free memory was 956.8 MB in the beginning and 1.4 GB in the end (delta: -398.7 MB). Peak memory consumption was 148.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:51,068 INFO L168 Benchmark]: Witness Printer took 269.42 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:14:51,071 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 765.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1757.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.8 MB in the end (delta: 132.4 MB). Peak memory consumption was 132.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16362.51 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 547.4 MB). Free memory was 956.8 MB in the beginning and 1.4 GB in the end (delta: -398.7 MB). Peak memory consumption was 148.6 MB. Max. memory is 11.5 GB. * Witness Printer took 269.42 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 199]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((a24 == 1 && a21 == 10) || ((a15 <= 8 && a12 + 49 <= 0) && a21 <= 6)) || (a24 == 1 && a21 <= 6)) || ((a12 <= 80 || !(a15 == 5)) && a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a24 == 1 && a21 == 10) || ((a15 <= 8 && a12 + 49 <= 0) && a21 <= 6)) || (a24 == 1 && a21 <= 6)) || ((a12 <= 80 || !(a15 == 5)) && a24 == 1) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 16.0s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 461 SDtfs, 2662 SDslu, 87 SDs, 0 SdLazy, 7155 SolverSat, 1544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1044 GetRequests, 1012 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3564occurred in iteration=5, 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, 6 MinimizatonAttempts, 1068 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 58 NumberOfFragments, 79 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1500 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2499 NumberOfCodeBlocks, 2499 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2490 ConstructedInterpolants, 0 QuantifiedInterpolants, 2507024 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1300 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 2319/2376 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...