./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label58.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/Problem01_label58.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 d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 15:44:03,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:44:03,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:44:03,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:44:03,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:44:03,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:44:03,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:44:03,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:44:03,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:44:03,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:44:03,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:44:03,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:44:03,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:44:03,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:44:03,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:44:03,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:44:03,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:44:03,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:44:03,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:44:03,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:44:03,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:44:03,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:44:03,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:44:03,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:44:03,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:44:03,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:44:03,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:44:03,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:44:03,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:44:03,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:44:03,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:44:03,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:44:03,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:44:03,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:44:03,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:44:03,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:44:03,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:44:03,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:44:03,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:44:03,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:44:03,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:44:03,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:44:03,376 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:44:03,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:44:03,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:44:03,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:44:03,381 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:44:03,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:44:03,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:44:03,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:44:03,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:44:03,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:44:03,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:44:03,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:44:03,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:44:03,384 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:44:03,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:44:03,385 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:44:03,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:44:03,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:44:03,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:44:03,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:44:03,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:44:03,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:44:03,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:44:03,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:44:03,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:44:03,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:44:03,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:44:03,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:44:03,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:44:03,388 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 -> d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 [2019-11-28 15:44:03,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:44:03,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:44:03,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:44:03,715 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:44:03,716 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:44:03,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label58.c [2019-11-28 15:44:03,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678c2566a/ba17f18f429842c9a1efee085f013dd7/FLAGbf26aa49a [2019-11-28 15:44:04,358 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:44:04,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label58.c [2019-11-28 15:44:04,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678c2566a/ba17f18f429842c9a1efee085f013dd7/FLAGbf26aa49a [2019-11-28 15:44:04,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678c2566a/ba17f18f429842c9a1efee085f013dd7 [2019-11-28 15:44:04,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:44:04,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:44:04,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:04,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:44:04,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:44:04,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:04" (1/1) ... [2019-11-28 15:44:04,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d217661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:04, skipping insertion in model container [2019-11-28 15:44:04,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:44:04" (1/1) ... [2019-11-28 15:44:04,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:44:04,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:44:05,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:05,264 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:44:05,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:44:05,413 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:44:05,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05 WrapperNode [2019-11-28 15:44:05,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:44:05,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:05,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:44:05,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:44:05,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (1/1) ... [2019-11-28 15:44:05,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (1/1) ... [2019-11-28 15:44:05,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:44:05,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:44:05,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:44:05,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:44:05,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (1/1) ... [2019-11-28 15:44:05,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (1/1) ... [2019-11-28 15:44:05,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (1/1) ... [2019-11-28 15:44:05,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (1/1) ... [2019-11-28 15:44:05,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (1/1) ... [2019-11-28 15:44:05,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (1/1) ... [2019-11-28 15:44:05,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (1/1) ... [2019-11-28 15:44:05,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:44:05,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:44:05,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:44:05,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:44:05,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:44:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:44:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:44:06,928 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:44:06,928 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 15:44:06,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:06 BoogieIcfgContainer [2019-11-28 15:44:06,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:44:06,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:44:06,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:44:06,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:44:06,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:44:04" (1/3) ... [2019-11-28 15:44:06,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787d1240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:06, skipping insertion in model container [2019-11-28 15:44:06,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:44:05" (2/3) ... [2019-11-28 15:44:06,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@787d1240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:44:06, skipping insertion in model container [2019-11-28 15:44:06,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:06" (3/3) ... [2019-11-28 15:44:06,942 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label58.c [2019-11-28 15:44:06,954 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:44:06,963 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:44:06,979 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:44:07,014 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:44:07,015 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:44:07,015 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:44:07,016 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:44:07,016 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:44:07,016 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:44:07,016 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:44:07,017 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:44:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-28 15:44:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-28 15:44:07,064 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:07,065 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:07,066 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:07,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:07,072 INFO L82 PathProgramCache]: Analyzing trace with hash -2041810178, now seen corresponding path program 1 times [2019-11-28 15:44:07,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:07,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170564846] [2019-11-28 15:44:07,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 15:44:07,581 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170564846] [2019-11-28 15:44:07,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:07,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:44:07,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542766044] [2019-11-28 15:44:07,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:07,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:07,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:07,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:07,614 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2019-11-28 15:44:08,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:08,579 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2019-11-28 15:44:08,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:08,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-11-28 15:44:08,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:08,598 INFO L225 Difference]: With dead ends: 528 [2019-11-28 15:44:08,598 INFO L226 Difference]: Without dead ends: 266 [2019-11-28 15:44:08,603 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:08,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-11-28 15:44:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2019-11-28 15:44:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-11-28 15:44:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 374 transitions. [2019-11-28 15:44:08,673 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 374 transitions. Word has length 99 [2019-11-28 15:44:08,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:08,675 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 374 transitions. [2019-11-28 15:44:08,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:08,675 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2019-11-28 15:44:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-28 15:44:08,680 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:08,680 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:08,680 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:08,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:08,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1569558074, now seen corresponding path program 1 times [2019-11-28 15:44:08,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:08,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330395154] [2019-11-28 15:44:08,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 15:44:08,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330395154] [2019-11-28 15:44:08,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:08,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:08,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31607000] [2019-11-28 15:44:08,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:08,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:08,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:08,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:08,903 INFO L87 Difference]: Start difference. First operand 266 states and 374 transitions. Second operand 4 states. [2019-11-28 15:44:09,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:09,977 INFO L93 Difference]: Finished difference Result 1054 states and 1488 transitions. [2019-11-28 15:44:09,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:09,978 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-11-28 15:44:09,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:09,985 INFO L225 Difference]: With dead ends: 1054 [2019-11-28 15:44:09,985 INFO L226 Difference]: Without dead ends: 790 [2019-11-28 15:44:09,987 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:09,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-28 15:44:10,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2019-11-28 15:44:10,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-11-28 15:44:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 905 transitions. [2019-11-28 15:44:10,046 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 905 transitions. Word has length 103 [2019-11-28 15:44:10,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:10,047 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 905 transitions. [2019-11-28 15:44:10,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 905 transitions. [2019-11-28 15:44:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-28 15:44:10,065 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:10,066 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:10,066 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:10,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:10,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1361120082, now seen corresponding path program 1 times [2019-11-28 15:44:10,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:10,068 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623480961] [2019-11-28 15:44:10,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:10,182 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 15:44:10,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623480961] [2019-11-28 15:44:10,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:10,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:44:10,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882393671] [2019-11-28 15:44:10,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:10,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:10,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:10,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:10,185 INFO L87 Difference]: Start difference. First operand 659 states and 905 transitions. Second operand 3 states. [2019-11-28 15:44:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:10,730 INFO L93 Difference]: Finished difference Result 1578 states and 2178 transitions. [2019-11-28 15:44:10,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:10,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-11-28 15:44:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:10,738 INFO L225 Difference]: With dead ends: 1578 [2019-11-28 15:44:10,738 INFO L226 Difference]: Without dead ends: 921 [2019-11-28 15:44:10,740 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:10,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2019-11-28 15:44:10,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 659. [2019-11-28 15:44:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-11-28 15:44:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 887 transitions. [2019-11-28 15:44:10,764 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 887 transitions. Word has length 145 [2019-11-28 15:44:10,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:10,764 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 887 transitions. [2019-11-28 15:44:10,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 887 transitions. [2019-11-28 15:44:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-28 15:44:10,767 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:10,768 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 15:44:10,768 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:10,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:10,768 INFO L82 PathProgramCache]: Analyzing trace with hash -209864028, now seen corresponding path program 1 times [2019-11-28 15:44:10,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:10,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648513700] [2019-11-28 15:44:10,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-28 15:44:10,892 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648513700] [2019-11-28 15:44:10,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:10,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 15:44:10,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139211972] [2019-11-28 15:44:10,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:10,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:10,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:10,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:10,894 INFO L87 Difference]: Start difference. First operand 659 states and 887 transitions. Second operand 4 states. [2019-11-28 15:44:11,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:11,639 INFO L93 Difference]: Finished difference Result 1449 states and 1929 transitions. [2019-11-28 15:44:11,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:11,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2019-11-28 15:44:11,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:11,644 INFO L225 Difference]: With dead ends: 1449 [2019-11-28 15:44:11,644 INFO L226 Difference]: Without dead ends: 792 [2019-11-28 15:44:11,646 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 15:44:11,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2019-11-28 15:44:11,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 790. [2019-11-28 15:44:11,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-11-28 15:44:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1024 transitions. [2019-11-28 15:44:11,671 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1024 transitions. Word has length 149 [2019-11-28 15:44:11,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:11,672 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1024 transitions. [2019-11-28 15:44:11,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:11,673 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1024 transitions. [2019-11-28 15:44:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-28 15:44:11,675 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:11,676 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 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, 1] [2019-11-28 15:44:11,676 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:11,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:11,677 INFO L82 PathProgramCache]: Analyzing trace with hash 681015148, now seen corresponding path program 1 times [2019-11-28 15:44:11,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:11,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792110364] [2019-11-28 15:44:11,678 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-28 15:44:11,827 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792110364] [2019-11-28 15:44:11,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:11,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 15:44:11,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121607747] [2019-11-28 15:44:11,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 15:44:11,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:11,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 15:44:11,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:11,829 INFO L87 Difference]: Start difference. First operand 790 states and 1024 transitions. Second operand 3 states. [2019-11-28 15:44:12,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:12,279 INFO L93 Difference]: Finished difference Result 1709 states and 2243 transitions. [2019-11-28 15:44:12,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 15:44:12,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-11-28 15:44:12,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:12,284 INFO L225 Difference]: With dead ends: 1709 [2019-11-28 15:44:12,284 INFO L226 Difference]: Without dead ends: 1052 [2019-11-28 15:44:12,286 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 15:44:12,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-11-28 15:44:12,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2019-11-28 15:44:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2019-11-28 15:44:12,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1322 transitions. [2019-11-28 15:44:12,309 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1322 transitions. Word has length 153 [2019-11-28 15:44:12,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:12,310 INFO L462 AbstractCegarLoop]: Abstraction has 1052 states and 1322 transitions. [2019-11-28 15:44:12,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 15:44:12,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1322 transitions. [2019-11-28 15:44:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-28 15:44:12,313 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:44:12,313 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1] [2019-11-28 15:44:12,313 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:44:12,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:44:12,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1675138126, now seen corresponding path program 1 times [2019-11-28 15:44:12,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:44:12,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748728351] [2019-11-28 15:44:12,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:44:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 15:44:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-28 15:44:12,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748728351] [2019-11-28 15:44:12,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 15:44:12,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 15:44:12,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378497609] [2019-11-28 15:44:12,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 15:44:12,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 15:44:12,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 15:44:12,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:12,379 INFO L87 Difference]: Start difference. First operand 1052 states and 1322 transitions. Second operand 4 states. [2019-11-28 15:44:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 15:44:13,174 INFO L93 Difference]: Finished difference Result 3279 states and 4151 transitions. [2019-11-28 15:44:13,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 15:44:13,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 162 [2019-11-28 15:44:13,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 15:44:13,175 INFO L225 Difference]: With dead ends: 3279 [2019-11-28 15:44:13,175 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 15:44:13,179 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 15:44:13,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 15:44:13,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 15:44:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 15:44:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 15:44:13,180 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 162 [2019-11-28 15:44:13,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 15:44:13,181 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 15:44:13,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 15:44:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 15:44:13,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 15:44:13,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 15:44:13,286 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-28 15:44:13,286 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-28 15:44:13,287 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,287 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,287 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,287 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,287 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,287 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,287 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-28 15:44:13,288 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-28 15:44:13,288 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-28 15:44:13,288 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-28 15:44:13,288 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-28 15:44:13,288 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-28 15:44:13,289 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-28 15:44:13,289 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-28 15:44:13,289 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-28 15:44:13,289 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-28 15:44:13,289 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,289 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,289 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,289 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,290 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,290 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,290 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-28 15:44:13,290 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-28 15:44:13,290 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-28 15:44:13,290 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-28 15:44:13,290 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-28 15:44:13,290 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-28 15:44:13,290 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-28 15:44:13,291 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-28 15:44:13,292 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-28 15:44:13,292 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-28 15:44:13,292 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-28 15:44:13,292 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-28 15:44:13,292 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-28 15:44:13,293 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-28 15:44:13,293 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-28 15:44:13,293 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,293 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,293 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,294 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,294 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,294 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-28 15:44:13,294 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-28 15:44:13,294 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-28 15:44:13,295 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-28 15:44:13,295 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-28 15:44:13,295 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-28 15:44:13,295 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-28 15:44:13,295 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-28 15:44:13,295 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-28 15:44:13,296 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse2 (not (= 14 ~a8~0))) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1) (and .cse0 .cse2) (and .cse2 .cse1) (= ~a20~0 1))) [2019-11-28 15:44:13,296 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,296 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,296 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,297 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,297 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,297 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-28 15:44:13,297 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-28 15:44:13,297 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-28 15:44:13,298 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-28 15:44:13,298 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-28 15:44:13,298 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-28 15:44:13,298 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-28 15:44:13,298 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-28 15:44:13,298 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-28 15:44:13,299 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-28 15:44:13,299 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-28 15:44:13,299 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-28 15:44:13,299 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-28 15:44:13,299 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-28 15:44:13,300 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,300 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,300 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,300 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,300 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,300 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-28 15:44:13,301 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-28 15:44:13,301 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-28 15:44:13,301 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-28 15:44:13,301 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-28 15:44:13,301 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-28 15:44:13,302 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-28 15:44:13,302 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-28 15:44:13,302 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-28 15:44:13,302 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,302 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,303 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,303 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,303 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-28 15:44:13,303 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,303 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-28 15:44:13,304 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-28 15:44:13,304 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-28 15:44:13,304 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-28 15:44:13,304 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-28 15:44:13,304 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-28 15:44:13,304 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-28 15:44:13,305 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 15:44:13,305 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-28 15:44:13,305 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-28 15:44:13,305 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-28 15:44:13,305 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-28 15:44:13,306 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-28 15:44:13,306 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-28 15:44:13,306 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,306 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse2 (not (= 14 ~a8~0))) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1) (and .cse0 .cse2) (and .cse2 .cse1) (= ~a20~0 1))) [2019-11-28 15:44:13,307 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,307 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,307 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,307 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,307 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-28 15:44:13,307 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-28 15:44:13,308 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-28 15:44:13,308 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-28 15:44:13,308 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-28 15:44:13,308 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-28 15:44:13,308 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-28 15:44:13,309 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-28 15:44:13,309 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,309 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,309 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,309 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,309 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,310 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-28 15:44:13,310 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 15:44:13,310 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-28 15:44:13,310 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-28 15:44:13,310 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-28 15:44:13,311 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-28 15:44:13,311 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-28 15:44:13,311 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-28 15:44:13,311 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-28 15:44:13,311 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-28 15:44:13,312 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-28 15:44:13,312 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-28 15:44:13,312 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-28 15:44:13,312 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,312 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,312 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,313 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,313 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-28 15:44:13,313 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,313 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,313 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-28 15:44:13,314 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-28 15:44:13,314 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 15:44:13,314 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-28 15:44:13,314 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-28 15:44:13,314 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-28 15:44:13,315 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-28 15:44:13,315 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-28 15:44:13,315 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-28 15:44:13,315 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-28 15:44:13,315 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-28 15:44:13,315 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-28 15:44:13,316 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-28 15:44:13,316 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,316 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,316 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,316 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,317 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,317 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-28 15:44:13,317 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,317 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-28 15:44:13,317 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-28 15:44:13,318 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-28 15:44:13,318 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-28 15:44:13,318 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-28 15:44:13,318 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-28 15:44:13,318 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-28 15:44:13,318 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-28 15:44:13,319 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-28 15:44:13,319 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-28 15:44:13,319 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-28 15:44:13,319 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 15:44:13,319 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 473) no Hoare annotation was computed. [2019-11-28 15:44:13,319 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-28 15:44:13,320 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-28 15:44:13,320 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-28 15:44:13,320 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,320 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,320 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,320 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,321 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,321 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-28 15:44:13,321 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-28 15:44:13,321 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-28 15:44:13,321 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-28 15:44:13,321 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-28 15:44:13,322 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-28 15:44:13,322 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-28 15:44:13,322 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-28 15:44:13,322 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-28 15:44:13,322 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-28 15:44:13,322 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-28 15:44:13,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:44:13 BoogieIcfgContainer [2019-11-28 15:44:13,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:44:13,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:44:13,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:44:13,347 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:44:13,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:44:06" (3/4) ... [2019-11-28 15:44:13,351 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 15:44:13,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-28 15:44:13,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 15:44:13,538 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:44:13,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:44:13,545 INFO L168 Benchmark]: Toolchain (without parser) took 8910.31 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 957.7 MB in the beginning and 974.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 311.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:13,545 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:44:13,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:13,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.01 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:13,547 INFO L168 Benchmark]: Boogie Preprocessor took 62.51 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:13,547 INFO L168 Benchmark]: RCFGBuilder took 1336.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.7 MB). Peak memory consumption was 108.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:13,548 INFO L168 Benchmark]: TraceAbstraction took 6413.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 1.0 GB in the beginning and 993.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 191.1 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:13,548 INFO L168 Benchmark]: Witness Printer took 192.57 ms. Allocated memory is still 1.4 GB. Free memory was 993.2 MB in the beginning and 974.2 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:44:13,550 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 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 783.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.01 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.51 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1336.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.7 MB). Peak memory consumption was 108.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6413.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 1.0 GB in the beginning and 993.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 191.1 MB. Max. memory is 11.5 GB. * Witness Printer took 192.57 ms. Allocated memory is still 1.4 GB. Free memory was 993.2 MB in the beginning and 974.2 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 473]: 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: 30]: Loop Invariant Derived loop invariant: (((!(a16 == 6) && a21 == 1) || (!(a16 == 6) && !(14 == a8))) || (!(14 == a8) && a21 == 1)) || a20 == 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a16 == 6) && a21 == 1) || (!(a16 == 6) && !(14 == a8))) || (!(14 == a8) && a21 == 1)) || a20 == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 6.1s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 243 SDtfs, 1140 SDslu, 45 SDs, 0 SdLazy, 2547 SolverSat, 586 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1052occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 395 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 59 HoareAnnotationTreeSize, 3 FomulaSimplifications, 804 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 811 NumberOfCodeBlocks, 811 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 805 ConstructedInterpolants, 0 QuantifiedInterpolants, 220451 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 283/283 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...