./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label12.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2aa5023dd7cf1fece0b046df4160fbefb79f7fd9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-19 22:31:03,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:31:03,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:31:03,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:31:03,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:31:03,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:31:03,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:31:03,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:31:03,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:31:03,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:31:03,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:31:03,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:31:03,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:31:03,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:31:03,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:31:03,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:31:03,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:31:03,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:31:03,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:31:03,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:31:03,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:31:03,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:31:03,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:31:03,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:31:03,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:31:03,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:31:03,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:31:03,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:31:03,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:31:03,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:31:03,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:31:03,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:31:03,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:31:03,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:31:03,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:31:03,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:31:03,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:31:03,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:31:03,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:31:03,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:31:03,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:31:03,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:31:03,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:31:03,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:31:03,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:31:03,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:31:03,353 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:31:03,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:31:03,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:31:03,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:31:03,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:31:03,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:31:03,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:31:03,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:31:03,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:31:03,355 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:31:03,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:31:03,355 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:31:03,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:31:03,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:31:03,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:31:03,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:31:03,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:31:03,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:31:03,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:31:03,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:31:03,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:31:03,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:31:03,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:31:03,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:31:03,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:31:03,358 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(reach_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 -> 2aa5023dd7cf1fece0b046df4160fbefb79f7fd9 [2020-10-19 22:31:03,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:31:03,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:31:03,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:31:03,584 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:31:03,585 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:31:03,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label12.c [2020-10-19 22:31:03,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/738816eb7/5302892603784836a6cac4899707492c/FLAG7becd065a [2020-10-19 22:31:04,372 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:31:04,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label12.c [2020-10-19 22:31:04,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/738816eb7/5302892603784836a6cac4899707492c/FLAG7becd065a [2020-10-19 22:31:04,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/738816eb7/5302892603784836a6cac4899707492c [2020-10-19 22:31:04,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:31:04,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:31:04,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:31:04,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:31:04,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:31:04,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:31:04" (1/1) ... [2020-10-19 22:31:04,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db9ba7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:04, skipping insertion in model container [2020-10-19 22:31:04,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:31:04" (1/1) ... [2020-10-19 22:31:04,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:31:04,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:31:05,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:31:05,218 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:31:05,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:31:05,408 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:31:05,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05 WrapperNode [2020-10-19 22:31:05,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:31:05,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:31:05,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:31:05,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:31:05,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (1/1) ... [2020-10-19 22:31:05,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (1/1) ... [2020-10-19 22:31:05,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:31:05,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:31:05,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:31:05,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:31:05,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (1/1) ... [2020-10-19 22:31:05,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (1/1) ... [2020-10-19 22:31:05,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (1/1) ... [2020-10-19 22:31:05,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (1/1) ... [2020-10-19 22:31:05,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (1/1) ... [2020-10-19 22:31:05,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (1/1) ... [2020-10-19 22:31:05,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (1/1) ... [2020-10-19 22:31:05,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:31:05,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:31:05,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:31:05,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:31:05,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (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 [2020-10-19 22:31:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:31:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:31:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:31:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:31:07,109 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:31:07,112 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:31:07,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:07 BoogieIcfgContainer [2020-10-19 22:31:07,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:31:07,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:31:07,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:31:07,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:31:07,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:31:04" (1/3) ... [2020-10-19 22:31:07,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1436b275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:31:07, skipping insertion in model container [2020-10-19 22:31:07,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:31:05" (2/3) ... [2020-10-19 22:31:07,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1436b275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:31:07, skipping insertion in model container [2020-10-19 22:31:07,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:07" (3/3) ... [2020-10-19 22:31:07,129 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label12.c [2020-10-19 22:31:07,143 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:31:07,152 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:31:07,164 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:31:07,191 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:31:07,192 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:31:07,192 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:31:07,192 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:31:07,193 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:31:07,193 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:31:07,193 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:31:07,193 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:31:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-19 22:31:07,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-19 22:31:07,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:07,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:07,233 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:07,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1957563427, now seen corresponding path program 1 times [2020-10-19 22:31:07,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:07,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476054596] [2020-10-19 22:31:07,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:07,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476054596] [2020-10-19 22:31:07,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:07,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:07,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334256688] [2020-10-19 22:31:07,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:07,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:07,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:07,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:07,741 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-10-19 22:31:08,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:08,896 INFO L93 Difference]: Finished difference Result 602 states and 1036 transitions. [2020-10-19 22:31:08,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:08,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-10-19 22:31:08,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:08,932 INFO L225 Difference]: With dead ends: 602 [2020-10-19 22:31:08,933 INFO L226 Difference]: Without dead ends: 310 [2020-10-19 22:31:08,943 INFO L677 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 [2020-10-19 22:31:08,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-19 22:31:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2020-10-19 22:31:09,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-10-19 22:31:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2020-10-19 22:31:09,038 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 118 [2020-10-19 22:31:09,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:09,040 INFO L481 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2020-10-19 22:31:09,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2020-10-19 22:31:09,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-19 22:31:09,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:09,053 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:09,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:31:09,055 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:09,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:09,055 INFO L82 PathProgramCache]: Analyzing trace with hash 305860128, now seen corresponding path program 1 times [2020-10-19 22:31:09,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:09,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277811503] [2020-10-19 22:31:09,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:09,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277811503] [2020-10-19 22:31:09,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:09,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:09,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078489031] [2020-10-19 22:31:09,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:09,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:09,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:09,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:09,220 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 3 states. [2020-10-19 22:31:09,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:09,878 INFO L93 Difference]: Finished difference Result 902 states and 1298 transitions. [2020-10-19 22:31:09,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:09,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-10-19 22:31:09,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:09,884 INFO L225 Difference]: With dead ends: 902 [2020-10-19 22:31:09,884 INFO L226 Difference]: Without dead ends: 594 [2020-10-19 22:31:09,885 INFO L677 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 [2020-10-19 22:31:09,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-19 22:31:09,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 592. [2020-10-19 22:31:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-19 22:31:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 751 transitions. [2020-10-19 22:31:09,911 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 751 transitions. Word has length 136 [2020-10-19 22:31:09,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:09,912 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 751 transitions. [2020-10-19 22:31:09,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 751 transitions. [2020-10-19 22:31:09,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-19 22:31:09,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:09,915 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:09,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:31:09,915 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:09,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:09,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1310552192, now seen corresponding path program 1 times [2020-10-19 22:31:09,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:09,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770292902] [2020-10-19 22:31:09,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:09,990 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:09,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770292902] [2020-10-19 22:31:09,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:09,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:09,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241608224] [2020-10-19 22:31:09,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:09,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:09,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:09,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:09,993 INFO L87 Difference]: Start difference. First operand 592 states and 751 transitions. Second operand 3 states. [2020-10-19 22:31:10,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:10,287 INFO L93 Difference]: Finished difference Result 1172 states and 1487 transitions. [2020-10-19 22:31:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:10,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2020-10-19 22:31:10,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:10,291 INFO L225 Difference]: With dead ends: 1172 [2020-10-19 22:31:10,293 INFO L226 Difference]: Without dead ends: 582 [2020-10-19 22:31:10,294 INFO L677 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 [2020-10-19 22:31:10,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-10-19 22:31:10,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2020-10-19 22:31:10,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-10-19 22:31:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 698 transitions. [2020-10-19 22:31:10,332 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 698 transitions. Word has length 137 [2020-10-19 22:31:10,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:10,333 INFO L481 AbstractCegarLoop]: Abstraction has 582 states and 698 transitions. [2020-10-19 22:31:10,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 698 transitions. [2020-10-19 22:31:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-19 22:31:10,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:10,338 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:10,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:31:10,339 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:10,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:10,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1593346221, now seen corresponding path program 1 times [2020-10-19 22:31:10,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:10,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141238655] [2020-10-19 22:31:10,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:10,487 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:10,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141238655] [2020-10-19 22:31:10,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:10,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:10,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240319723] [2020-10-19 22:31:10,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:10,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:10,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:10,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:10,493 INFO L87 Difference]: Start difference. First operand 582 states and 698 transitions. Second operand 3 states. [2020-10-19 22:31:11,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:11,171 INFO L93 Difference]: Finished difference Result 1302 states and 1569 transitions. [2020-10-19 22:31:11,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:11,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-10-19 22:31:11,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:11,177 INFO L225 Difference]: With dead ends: 1302 [2020-10-19 22:31:11,178 INFO L226 Difference]: Without dead ends: 722 [2020-10-19 22:31:11,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:11,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2020-10-19 22:31:11,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2020-10-19 22:31:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-10-19 22:31:11,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 853 transitions. [2020-10-19 22:31:11,200 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 853 transitions. Word has length 141 [2020-10-19 22:31:11,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:11,201 INFO L481 AbstractCegarLoop]: Abstraction has 722 states and 853 transitions. [2020-10-19 22:31:11,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:11,201 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 853 transitions. [2020-10-19 22:31:11,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-19 22:31:11,204 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:11,204 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:11,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:31:11,205 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:11,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:11,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1444991965, now seen corresponding path program 1 times [2020-10-19 22:31:11,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:11,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14283857] [2020-10-19 22:31:11,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:11,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14283857] [2020-10-19 22:31:11,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882982692] [2020-10-19 22:31:11,519 INFO L95 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 [2020-10-19 22:31:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:11,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:11,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-19 22:31:11,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:11,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:31:11,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380270972] [2020-10-19 22:31:11,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:11,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:11,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:11,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:11,744 INFO L87 Difference]: Start difference. First operand 722 states and 853 transitions. Second operand 3 states. [2020-10-19 22:31:12,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:12,309 INFO L93 Difference]: Finished difference Result 1723 states and 2061 transitions. [2020-10-19 22:31:12,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:12,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-10-19 22:31:12,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:12,316 INFO L225 Difference]: With dead ends: 1723 [2020-10-19 22:31:12,317 INFO L226 Difference]: Without dead ends: 861 [2020-10-19 22:31:12,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:12,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-19 22:31:12,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-10-19 22:31:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-10-19 22:31:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 945 transitions. [2020-10-19 22:31:12,346 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 945 transitions. Word has length 145 [2020-10-19 22:31:12,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:12,348 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 945 transitions. [2020-10-19 22:31:12,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 945 transitions. [2020-10-19 22:31:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-19 22:31:12,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:12,351 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:12,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:12,567 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:12,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:12,568 INFO L82 PathProgramCache]: Analyzing trace with hash -185572296, now seen corresponding path program 1 times [2020-10-19 22:31:12,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:12,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716962574] [2020-10-19 22:31:12,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 55 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-19 22:31:12,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716962574] [2020-10-19 22:31:12,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998794699] [2020-10-19 22:31:12,703 INFO L95 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 [2020-10-19 22:31:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:12,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:12,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:12,895 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-10-19 22:31:12,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:12,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-10-19 22:31:12,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520781496] [2020-10-19 22:31:12,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:12,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:12,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:12,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:12,898 INFO L87 Difference]: Start difference. First operand 861 states and 945 transitions. Second operand 3 states. [2020-10-19 22:31:13,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:13,559 INFO L93 Difference]: Finished difference Result 2139 states and 2357 transitions. [2020-10-19 22:31:13,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:13,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2020-10-19 22:31:13,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:13,573 INFO L225 Difference]: With dead ends: 2139 [2020-10-19 22:31:13,573 INFO L226 Difference]: Without dead ends: 1279 [2020-10-19 22:31:13,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:13,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-10-19 22:31:13,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 999. [2020-10-19 22:31:13,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-10-19 22:31:13,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1116 transitions. [2020-10-19 22:31:13,616 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1116 transitions. Word has length 168 [2020-10-19 22:31:13,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:13,620 INFO L481 AbstractCegarLoop]: Abstraction has 999 states and 1116 transitions. [2020-10-19 22:31:13,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1116 transitions. [2020-10-19 22:31:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-19 22:31:13,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:13,625 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:13,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:13,839 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:13,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:13,839 INFO L82 PathProgramCache]: Analyzing trace with hash 72920871, now seen corresponding path program 1 times [2020-10-19 22:31:13,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:13,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239570653] [2020-10-19 22:31:13,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-19 22:31:14,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239570653] [2020-10-19 22:31:14,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571325952] [2020-10-19 22:31:14,122 INFO L95 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 [2020-10-19 22:31:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:14,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:14,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:14,330 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-19 22:31:14,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:14,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:31:14,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446184532] [2020-10-19 22:31:14,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:14,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:14,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:14,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:14,333 INFO L87 Difference]: Start difference. First operand 999 states and 1116 transitions. Second operand 3 states. [2020-10-19 22:31:14,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:14,770 INFO L93 Difference]: Finished difference Result 2276 states and 2562 transitions. [2020-10-19 22:31:14,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:14,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-10-19 22:31:14,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:14,776 INFO L225 Difference]: With dead ends: 2276 [2020-10-19 22:31:14,776 INFO L226 Difference]: Without dead ends: 1279 [2020-10-19 22:31:14,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:14,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-10-19 22:31:14,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1277. [2020-10-19 22:31:14,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-10-19 22:31:14,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1423 transitions. [2020-10-19 22:31:14,798 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1423 transitions. Word has length 194 [2020-10-19 22:31:14,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:14,798 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1423 transitions. [2020-10-19 22:31:14,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:14,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1423 transitions. [2020-10-19 22:31:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-19 22:31:14,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:14,803 INFO L422 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:15,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:15,017 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:15,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:15,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1393484761, now seen corresponding path program 1 times [2020-10-19 22:31:15,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:15,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184013592] [2020-10-19 22:31:15,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-19 22:31:15,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184013592] [2020-10-19 22:31:15,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:15,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:15,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875088868] [2020-10-19 22:31:15,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:15,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:15,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:15,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:15,137 INFO L87 Difference]: Start difference. First operand 1277 states and 1423 transitions. Second operand 3 states. [2020-10-19 22:31:15,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:15,658 INFO L93 Difference]: Finished difference Result 3110 states and 3438 transitions. [2020-10-19 22:31:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:15,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2020-10-19 22:31:15,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:15,666 INFO L225 Difference]: With dead ends: 3110 [2020-10-19 22:31:15,666 INFO L226 Difference]: Without dead ends: 1835 [2020-10-19 22:31:15,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2020-10-19 22:31:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1275. [2020-10-19 22:31:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-10-19 22:31:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1419 transitions. [2020-10-19 22:31:15,718 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1419 transitions. Word has length 216 [2020-10-19 22:31:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:15,718 INFO L481 AbstractCegarLoop]: Abstraction has 1275 states and 1419 transitions. [2020-10-19 22:31:15,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1419 transitions. [2020-10-19 22:31:15,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-19 22:31:15,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:15,723 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:31:15,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-19 22:31:15,724 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:15,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:15,724 INFO L82 PathProgramCache]: Analyzing trace with hash -597934900, now seen corresponding path program 1 times [2020-10-19 22:31:15,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:15,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632257454] [2020-10-19 22:31:15,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:16,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632257454] [2020-10-19 22:31:16,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307816745] [2020-10-19 22:31:16,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:16,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:16,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-19 22:31:16,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:16,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:31:16,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288989140] [2020-10-19 22:31:16,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:16,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:16,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:16,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:16,215 INFO L87 Difference]: Start difference. First operand 1275 states and 1419 transitions. Second operand 3 states. [2020-10-19 22:31:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:16,723 INFO L93 Difference]: Finished difference Result 2547 states and 2836 transitions. [2020-10-19 22:31:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:16,724 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2020-10-19 22:31:16,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:16,725 INFO L225 Difference]: With dead ends: 2547 [2020-10-19 22:31:16,725 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:31:16,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:16,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:31:16,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:31:16,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:31:16,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:31:16,729 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2020-10-19 22:31:16,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:16,730 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:31:16,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:31:16,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:31:16,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:16,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:31:17,167 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2020-10-19 22:31:17,174 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-19 22:31:17,174 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-19 22:31:17,174 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-19 22:31:17,174 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:17,174 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-19 22:31:17,174 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:17,174 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-19 22:31:17,174 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,175 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,175 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,175 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-19 22:31:17,175 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-19 22:31:17,176 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-19 22:31:17,176 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-19 22:31:17,176 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-19 22:31:17,176 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-19 22:31:17,176 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-19 22:31:17,176 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,176 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,176 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,177 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-19 22:31:17,177 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-19 22:31:17,177 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-19 22:31:17,177 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-19 22:31:17,177 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:17,177 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:17,177 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-19 22:31:17,177 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,177 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,177 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-19 22:31:17,178 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-19 22:31:17,179 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-19 22:31:17,179 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-19 22:31:17,179 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-19 22:31:17,179 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-19 22:31:17,179 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-19 22:31:17,179 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,179 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,179 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,179 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-19 22:31:17,179 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-19 22:31:17,180 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-19 22:31:17,180 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-19 22:31:17,180 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-19 22:31:17,180 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-19 22:31:17,180 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-19 22:31:17,180 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-19 22:31:17,180 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,180 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,180 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,180 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:17,181 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:17,181 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:17,181 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:17,181 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-19 22:31:17,181 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-19 22:31:17,181 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-19 22:31:17,181 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-19 22:31:17,181 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-19 22:31:17,181 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,181 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,182 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,182 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-19 22:31:17,182 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-19 22:31:17,182 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-19 22:31:17,182 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-19 22:31:17,182 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-19 22:31:17,182 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-19 22:31:17,182 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:31:17,182 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,182 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,183 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,184 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,184 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-19 22:31:17,184 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-19 22:31:17,184 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-19 22:31:17,184 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-19 22:31:17,184 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-19 22:31:17,184 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,184 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,184 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,184 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-19 22:31:17,185 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:31:17,185 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:31:17,185 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-19 22:31:17,185 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-19 22:31:17,185 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-19 22:31:17,185 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-19 22:31:17,185 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-19 22:31:17,185 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:17,185 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-19 22:31:17,186 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-19 22:31:17,187 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:17,187 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:17,187 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-19 22:31:17,187 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:31:17,188 INFO L270 CegarLoopResult]: At program point L599(lines 31 600) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-10-19 22:31:17,188 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,188 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,188 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-19 22:31:17,188 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-19 22:31:17,188 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-19 22:31:17,188 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-19 22:31:17,189 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:17,189 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:17,189 INFO L277 CegarLoopResult]: At program point L602(lines 602 619) the Hoare annotation is: true [2020-10-19 22:31:17,189 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,189 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,189 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-19 22:31:17,189 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-19 22:31:17,189 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-19 22:31:17,189 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-19 22:31:17,189 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-19 22:31:17,190 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-19 22:31:17,190 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:17,190 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:17,190 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-19 22:31:17,190 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,190 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,190 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:17,190 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:17,190 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-19 22:31:17,190 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-19 22:31:17,191 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-19 22:31:17,191 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-19 22:31:17,191 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a28~0 7)) (.cse3 (<= 8 ~a17~0)) (.cse4 (not (= ~a11~0 1))) (.cse2 (<= ~a17~0 8)) (.cse5 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse2) (and .cse3 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and (<= 9 ~a28~0) .cse2 .cse5))) [2020-10-19 22:31:17,191 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,191 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,191 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-19 22:31:17,191 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-19 22:31:17,191 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-19 22:31:17,192 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-19 22:31:17,192 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-19 22:31:17,192 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,192 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,192 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-19 22:31:17,192 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-19 22:31:17,192 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-19 22:31:17,192 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-19 22:31:17,193 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-19 22:31:17,193 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-19 22:31:17,193 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-19 22:31:17,193 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:17,193 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:17,193 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,193 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,194 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,195 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,195 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-19 22:31:17,195 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-19 22:31:17,195 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-19 22:31:17,195 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-19 22:31:17,195 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-19 22:31:17,195 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,195 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,195 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,195 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-19 22:31:17,196 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-19 22:31:17,196 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-19 22:31:17,196 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-19 22:31:17,196 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-19 22:31:17,196 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-19 22:31:17,196 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:31:17,196 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,196 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,196 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,196 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-19 22:31:17,197 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-19 22:31:17,197 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-19 22:31:17,197 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-19 22:31:17,197 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-19 22:31:17,197 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-19 22:31:17,197 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-19 22:31:17,197 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-19 22:31:17,197 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,197 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,197 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,198 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-19 22:31:17,198 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-19 22:31:17,198 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-19 22:31:17,198 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-19 22:31:17,198 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-19 22:31:17,198 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,198 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,198 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:17,198 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-19 22:31:17,198 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-19 22:31:17,199 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-19 22:31:17,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:31:17 BoogieIcfgContainer [2020-10-19 22:31:17,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:31:17,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:31:17,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:31:17,240 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:31:17,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:31:07" (3/4) ... [2020-10-19 22:31:17,244 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:31:17,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:31:17,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:31:17,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:17,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:17,479 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:31:17,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:31:17,481 INFO L168 Benchmark]: Toolchain (without parser) took 12831.20 ms. Allocated memory was 40.4 MB in the beginning and 131.6 MB in the end (delta: 91.2 MB). Free memory was 16.6 MB in the beginning and 63.0 MB in the end (delta: -46.4 MB). Peak memory consumption was 44.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:17,482 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 30.9 MB. Free memory was 7.3 MB in the beginning and 7.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-19 22:31:17,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.68 ms. Allocated memory was 40.4 MB in the beginning and 42.5 MB in the end (delta: 2.1 MB). Free memory was 15.7 MB in the beginning and 13.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:17,483 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.59 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 13.9 MB in the beginning and 24.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:17,483 INFO L168 Benchmark]: Boogie Preprocessor took 69.19 ms. Allocated memory is still 43.0 MB. Free memory was 24.0 MB in the beginning and 19.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:17,483 INFO L168 Benchmark]: RCFGBuilder took 1534.53 ms. Allocated memory was 43.0 MB in the beginning and 52.4 MB in the end (delta: 9.4 MB). Free memory was 19.2 MB in the beginning and 27.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:17,484 INFO L168 Benchmark]: TraceAbstraction took 10119.93 ms. Allocated memory was 52.4 MB in the beginning and 131.6 MB in the end (delta: 79.2 MB). Free memory was 27.3 MB in the beginning and 82.5 MB in the end (delta: -55.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:17,484 INFO L168 Benchmark]: Witness Printer took 240.11 ms. Allocated memory is still 131.6 MB. Free memory was 82.5 MB in the beginning and 63.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:17,487 INFO L339 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 30.9 MB. Free memory was 7.3 MB in the beginning and 7.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 752.68 ms. Allocated memory was 40.4 MB in the beginning and 42.5 MB in the end (delta: 2.1 MB). Free memory was 15.7 MB in the beginning and 13.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 103.59 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 13.9 MB in the beginning and 24.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 69.19 ms. Allocated memory is still 43.0 MB. Free memory was 24.0 MB in the beginning and 19.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1534.53 ms. Allocated memory was 43.0 MB in the beginning and 52.4 MB in the end (delta: 9.4 MB). Free memory was 19.2 MB in the beginning and 27.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 10119.93 ms. Allocated memory was 52.4 MB in the beginning and 131.6 MB in the end (delta: 79.2 MB). Free memory was 27.3 MB in the beginning and 82.5 MB in the end (delta: -55.2 MB). Peak memory consumption was 96.1 MB. Max. memory is 14.3 GB. * Witness Printer took 240.11 ms. Allocated memory is still 131.6 MB. Free memory was 82.5 MB in the beginning and 63.0 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 608]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((a19 == 1 && a28 <= 7) && a17 <= 8) || (((a19 == 1 && 8 <= a17) && !(a11 == 1)) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || (((8 <= a17 && !(a11 == 1)) && a17 <= 8) && a28 <= 10)) || ((9 <= a28 && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.7s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 748 SDtfs, 994 SDslu, 82 SDs, 0 SdLazy, 2953 SolverSat, 516 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 726 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1277occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 844 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 410 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2194 NumberOfCodeBlocks, 2194 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2181 ConstructedInterpolants, 0 QuantifiedInterpolants, 1435564 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1352 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 924/1014 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...