./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label06.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_label06.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 a937101f176a572541659fee94ca93a8b43bef4a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:30:54,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 22:30:54,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 22:30:54,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 22:30:54,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 22:30:54,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 22:30:54,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 22:30:54,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 22:30:54,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 22:30:54,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 22:30:54,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 22:30:54,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 22:30:54,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 22:30:54,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 22:30:54,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 22:30:54,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 22:30:54,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 22:30:54,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 22:30:54,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 22:30:54,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 22:30:54,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 22:30:54,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 22:30:54,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 22:30:54,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 22:30:54,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 22:30:54,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 22:30:54,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 22:30:54,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 22:30:54,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 22:30:54,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 22:30:54,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 22:30:54,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 22:30:54,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 22:30:54,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 22:30:54,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 22:30:54,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 22:30:54,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 22:30:54,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 22:30:54,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 22:30:54,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 22:30:54,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 22:30:54,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-19 22:30:54,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 22:30:54,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 22:30:54,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 22:30:54,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 22:30:54,340 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 22:30:54,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 22:30:54,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 22:30:54,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 22:30:54,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 22:30:54,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 22:30:54,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 22:30:54,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 22:30:54,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 22:30:54,354 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 22:30:54,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 22:30:54,354 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 22:30:54,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 22:30:54,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 22:30:54,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 22:30:54,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 22:30:54,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 22:30:54,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 22:30:54,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 22:30:54,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 22:30:54,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 22:30:54,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 22:30:54,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 22:30:54,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 22:30:54,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 22:30:54,360 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 -> a937101f176a572541659fee94ca93a8b43bef4a [2020-10-19 22:30:54,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 22:30:54,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 22:30:54,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 22:30:54,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 22:30:54,610 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 22:30:54,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label06.c [2020-10-19 22:30:54,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8917c1cfc/6a1558fefc1448f8b6ac360f1da6c1c6/FLAG51930d45a [2020-10-19 22:30:55,333 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 22:30:55,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label06.c [2020-10-19 22:30:55,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8917c1cfc/6a1558fefc1448f8b6ac360f1da6c1c6/FLAG51930d45a [2020-10-19 22:30:55,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8917c1cfc/6a1558fefc1448f8b6ac360f1da6c1c6 [2020-10-19 22:30:55,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 22:30:55,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 22:30:55,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 22:30:55,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 22:30:55,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 22:30:55,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:30:55" (1/1) ... [2020-10-19 22:30:55,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7f0c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:55, skipping insertion in model container [2020-10-19 22:30:55,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:30:55" (1/1) ... [2020-10-19 22:30:55,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 22:30:55,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 22:30:56,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:30:56,065 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 22:30:56,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 22:30:56,225 INFO L208 MainTranslator]: Completed translation [2020-10-19 22:30:56,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56 WrapperNode [2020-10-19 22:30:56,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 22:30:56,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 22:30:56,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 22:30:56,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 22:30:56,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (1/1) ... [2020-10-19 22:30:56,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (1/1) ... [2020-10-19 22:30:56,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 22:30:56,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 22:30:56,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 22:30:56,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 22:30:56,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (1/1) ... [2020-10-19 22:30:56,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (1/1) ... [2020-10-19 22:30:56,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (1/1) ... [2020-10-19 22:30:56,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (1/1) ... [2020-10-19 22:30:56,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (1/1) ... [2020-10-19 22:30:56,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (1/1) ... [2020-10-19 22:30:56,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (1/1) ... [2020-10-19 22:30:56,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 22:30:56,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 22:30:56,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 22:30:56,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 22:30:56,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (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 22:30:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 22:30:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 22:30:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 22:30:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 22:30:57,947 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 22:30:57,948 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 22:30:57,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:57 BoogieIcfgContainer [2020-10-19 22:30:57,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 22:30:57,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 22:30:57,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 22:30:57,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 22:30:57,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:30:55" (1/3) ... [2020-10-19 22:30:57,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79828d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:30:57, skipping insertion in model container [2020-10-19 22:30:57,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:30:56" (2/3) ... [2020-10-19 22:30:57,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79828d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:30:57, skipping insertion in model container [2020-10-19 22:30:57,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:57" (3/3) ... [2020-10-19 22:30:57,960 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label06.c [2020-10-19 22:30:57,973 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 22:30:57,982 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-19 22:30:57,993 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-19 22:30:58,020 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 22:30:58,021 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 22:30:58,021 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 22:30:58,022 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 22:30:58,022 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 22:30:58,022 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 22:30:58,022 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 22:30:58,022 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 22:30:58,045 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-19 22:30:58,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-19 22:30:58,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:58,063 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, 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 22:30:58,064 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:58,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:58,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1439061899, now seen corresponding path program 1 times [2020-10-19 22:30:58,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:58,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312202750] [2020-10-19 22:30:58,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:30:58,707 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 22:30:58,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312202750] [2020-10-19 22:30:58,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:30:58,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:30:58,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502780750] [2020-10-19 22:30:58,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:30:58,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:30:58,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:30:58,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:30:58,745 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-10-19 22:30:59,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:30:59,822 INFO L93 Difference]: Finished difference Result 597 states and 1031 transitions. [2020-10-19 22:30:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:30:59,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-10-19 22:30:59,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:30:59,842 INFO L225 Difference]: With dead ends: 597 [2020-10-19 22:30:59,842 INFO L226 Difference]: Without dead ends: 305 [2020-10-19 22:30:59,847 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 22:30:59,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-10-19 22:30:59,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-10-19 22:30:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-10-19 22:30:59,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-10-19 22:30:59,959 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 140 [2020-10-19 22:30:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:30:59,960 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-10-19 22:30:59,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:30:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-10-19 22:30:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-19 22:30:59,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:30:59,965 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 22:30:59,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-19 22:30:59,966 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:30:59,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:30:59,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1659328717, now seen corresponding path program 1 times [2020-10-19 22:30:59,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:30:59,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383844818] [2020-10-19 22:30:59,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:30:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:00,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383844818] [2020-10-19 22:31:00,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:00,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:00,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193484076] [2020-10-19 22:31:00,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:00,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:00,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:00,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:00,078 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-10-19 22:31:00,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:00,623 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-10-19 22:31:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:00,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-10-19 22:31:00,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:00,627 INFO L225 Difference]: With dead ends: 599 [2020-10-19 22:31:00,627 INFO L226 Difference]: Without dead ends: 296 [2020-10-19 22:31:00,629 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 22:31:00,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-19 22:31:00,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-10-19 22:31:00,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-19 22:31:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-10-19 22:31:00,655 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 151 [2020-10-19 22:31:00,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:00,655 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-10-19 22:31:00,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-10-19 22:31:00,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-19 22:31:00,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:00,664 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, 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 22:31:00,664 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-19 22:31:00,664 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:00,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:00,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1594990984, now seen corresponding path program 1 times [2020-10-19 22:31:00,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:00,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12441466] [2020-10-19 22:31:00,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:00,771 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 22:31:00,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12441466] [2020-10-19 22:31:00,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:00,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:00,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748109554] [2020-10-19 22:31:00,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:00,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:00,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:00,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:00,776 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-10-19 22:31:01,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:01,405 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions. [2020-10-19 22:31:01,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:01,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2020-10-19 22:31:01,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:01,409 INFO L225 Difference]: With dead ends: 872 [2020-10-19 22:31:01,409 INFO L226 Difference]: Without dead ends: 578 [2020-10-19 22:31:01,410 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 22:31:01,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-10-19 22:31:01,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 438. [2020-10-19 22:31:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-10-19 22:31:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 573 transitions. [2020-10-19 22:31:01,431 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 573 transitions. Word has length 158 [2020-10-19 22:31:01,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:01,431 INFO L481 AbstractCegarLoop]: Abstraction has 438 states and 573 transitions. [2020-10-19 22:31:01,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 573 transitions. [2020-10-19 22:31:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-19 22:31:01,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:01,434 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, 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 22:31:01,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-19 22:31:01,435 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:01,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:01,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1840922299, now seen corresponding path program 1 times [2020-10-19 22:31:01,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:01,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458198272] [2020-10-19 22:31:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:01,517 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 22:31:01,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458198272] [2020-10-19 22:31:01,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:01,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:01,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385797621] [2020-10-19 22:31:01,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:01,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:01,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:01,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:01,521 INFO L87 Difference]: Start difference. First operand 438 states and 573 transitions. Second operand 3 states. [2020-10-19 22:31:02,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:02,143 INFO L93 Difference]: Finished difference Result 1017 states and 1348 transitions. [2020-10-19 22:31:02,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:02,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-10-19 22:31:02,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:02,147 INFO L225 Difference]: With dead ends: 1017 [2020-10-19 22:31:02,147 INFO L226 Difference]: Without dead ends: 581 [2020-10-19 22:31:02,148 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 22:31:02,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-10-19 22:31:02,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 579. [2020-10-19 22:31:02,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-10-19 22:31:02,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 754 transitions. [2020-10-19 22:31:02,164 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 754 transitions. Word has length 163 [2020-10-19 22:31:02,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:02,165 INFO L481 AbstractCegarLoop]: Abstraction has 579 states and 754 transitions. [2020-10-19 22:31:02,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:02,165 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 754 transitions. [2020-10-19 22:31:02,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-19 22:31:02,167 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:02,168 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, 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 22:31:02,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-19 22:31:02,168 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:02,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:02,175 INFO L82 PathProgramCache]: Analyzing trace with hash -736311237, now seen corresponding path program 1 times [2020-10-19 22:31:02,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:02,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293660313] [2020-10-19 22:31:02,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:02,456 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 22:31:02,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293660313] [2020-10-19 22:31:02,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065764819] [2020-10-19 22:31:02,457 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 22:31:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:02,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:02,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:02,792 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 22:31:02,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:02,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:31:02,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587455480] [2020-10-19 22:31:02,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:02,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:02,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:02,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:02,800 INFO L87 Difference]: Start difference. First operand 579 states and 754 transitions. Second operand 3 states. [2020-10-19 22:31:03,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:03,623 INFO L93 Difference]: Finished difference Result 1585 states and 2049 transitions. [2020-10-19 22:31:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:03,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-10-19 22:31:03,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:03,632 INFO L225 Difference]: With dead ends: 1585 [2020-10-19 22:31:03,632 INFO L226 Difference]: Without dead ends: 1008 [2020-10-19 22:31:03,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:03,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2020-10-19 22:31:03,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 867. [2020-10-19 22:31:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-19 22:31:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1074 transitions. [2020-10-19 22:31:03,674 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1074 transitions. Word has length 167 [2020-10-19 22:31:03,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:03,675 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1074 transitions. [2020-10-19 22:31:03,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1074 transitions. [2020-10-19 22:31:03,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-19 22:31:03,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:03,679 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:03,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:03,894 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:03,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:03,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1060993103, now seen corresponding path program 1 times [2020-10-19 22:31:03,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:03,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253301162] [2020-10-19 22:31:03,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-19 22:31:03,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253301162] [2020-10-19 22:31:03,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:03,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 22:31:03,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616485094] [2020-10-19 22:31:03,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:03,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:03,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:03,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:03,981 INFO L87 Difference]: Start difference. First operand 867 states and 1074 transitions. Second operand 3 states. [2020-10-19 22:31:04,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:04,500 INFO L93 Difference]: Finished difference Result 1726 states and 2137 transitions. [2020-10-19 22:31:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:04,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-10-19 22:31:04,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:04,505 INFO L225 Difference]: With dead ends: 1726 [2020-10-19 22:31:04,505 INFO L226 Difference]: Without dead ends: 861 [2020-10-19 22:31:04,507 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 22:31:04,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-19 22:31:04,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-10-19 22:31:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-10-19 22:31:04,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 985 transitions. [2020-10-19 22:31:04,532 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 985 transitions. Word has length 171 [2020-10-19 22:31:04,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:04,533 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 985 transitions. [2020-10-19 22:31:04,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:04,533 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 985 transitions. [2020-10-19 22:31:04,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-19 22:31:04,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:04,541 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:04,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-19 22:31:04,541 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:04,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:04,542 INFO L82 PathProgramCache]: Analyzing trace with hash 534947636, now seen corresponding path program 1 times [2020-10-19 22:31:04,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:04,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271872845] [2020-10-19 22:31:04,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-19 22:31:04,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271872845] [2020-10-19 22:31:04,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:04,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:04,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943723850] [2020-10-19 22:31:04,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:04,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:04,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:04,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:04,732 INFO L87 Difference]: Start difference. First operand 861 states and 985 transitions. Second operand 3 states. [2020-10-19 22:31:05,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:05,523 INFO L93 Difference]: Finished difference Result 2280 states and 2588 transitions. [2020-10-19 22:31:05,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:05,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2020-10-19 22:31:05,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:05,530 INFO L225 Difference]: With dead ends: 2280 [2020-10-19 22:31:05,530 INFO L226 Difference]: Without dead ends: 858 [2020-10-19 22:31:05,533 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 22:31:05,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-10-19 22:31:05,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 858. [2020-10-19 22:31:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-10-19 22:31:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 933 transitions. [2020-10-19 22:31:05,557 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 933 transitions. Word has length 233 [2020-10-19 22:31:05,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:05,558 INFO L481 AbstractCegarLoop]: Abstraction has 858 states and 933 transitions. [2020-10-19 22:31:05,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 933 transitions. [2020-10-19 22:31:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-19 22:31:05,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:05,566 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:05,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-19 22:31:05,566 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:05,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:05,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1559837765, now seen corresponding path program 1 times [2020-10-19 22:31:05,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:05,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91218675] [2020-10-19 22:31:05,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 72 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-19 22:31:05,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91218675] [2020-10-19 22:31:05,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723576502] [2020-10-19 22:31:05,745 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 22:31:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:05,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:05,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-19 22:31:05,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:05,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-19 22:31:05,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830717589] [2020-10-19 22:31:05,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:05,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:05,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:05,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:31:05,981 INFO L87 Difference]: Start difference. First operand 858 states and 933 transitions. Second operand 3 states. [2020-10-19 22:31:06,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:06,632 INFO L93 Difference]: Finished difference Result 2279 states and 2476 transitions. [2020-10-19 22:31:06,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:06,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-10-19 22:31:06,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:06,641 INFO L225 Difference]: With dead ends: 2279 [2020-10-19 22:31:06,641 INFO L226 Difference]: Without dead ends: 1423 [2020-10-19 22:31:06,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:31:06,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2020-10-19 22:31:06,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1278. [2020-10-19 22:31:06,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2020-10-19 22:31:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1387 transitions. [2020-10-19 22:31:06,685 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1387 transitions. Word has length 243 [2020-10-19 22:31:06,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:06,685 INFO L481 AbstractCegarLoop]: Abstraction has 1278 states and 1387 transitions. [2020-10-19 22:31:06,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1387 transitions. [2020-10-19 22:31:06,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-19 22:31:06,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:06,696 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:06,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:06,912 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:06,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:06,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1418039631, now seen corresponding path program 1 times [2020-10-19 22:31:06,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:06,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633927213] [2020-10-19 22:31:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:07,200 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 80 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-19 22:31:07,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633927213] [2020-10-19 22:31:07,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460050967] [2020-10-19 22:31:07,201 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 22:31:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:07,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 22:31:07,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:07,490 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-19 22:31:07,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:07,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-19 22:31:07,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286561809] [2020-10-19 22:31:07,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:07,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:07,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:07,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:07,494 INFO L87 Difference]: Start difference. First operand 1278 states and 1387 transitions. Second operand 3 states. [2020-10-19 22:31:07,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:07,968 INFO L93 Difference]: Finished difference Result 2414 states and 2627 transitions. [2020-10-19 22:31:07,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:07,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2020-10-19 22:31:07,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:07,987 INFO L225 Difference]: With dead ends: 2414 [2020-10-19 22:31:07,988 INFO L226 Difference]: Without dead ends: 1278 [2020-10-19 22:31:07,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-19 22:31:07,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2020-10-19 22:31:08,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 1278. [2020-10-19 22:31:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2020-10-19 22:31:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1364 transitions. [2020-10-19 22:31:08,020 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1364 transitions. Word has length 247 [2020-10-19 22:31:08,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:08,021 INFO L481 AbstractCegarLoop]: Abstraction has 1278 states and 1364 transitions. [2020-10-19 22:31:08,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1364 transitions. [2020-10-19 22:31:08,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-19 22:31:08,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:08,028 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, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-19 22:31:08,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:08,242 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:08,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:08,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1340152621, now seen corresponding path program 1 times [2020-10-19 22:31:08,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:08,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492482656] [2020-10-19 22:31:08,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-19 22:31:08,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492482656] [2020-10-19 22:31:08,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:08,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 22:31:08,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436192972] [2020-10-19 22:31:08,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:08,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:08,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:08,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 22:31:08,383 INFO L87 Difference]: Start difference. First operand 1278 states and 1364 transitions. Second operand 3 states. [2020-10-19 22:31:08,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:08,987 INFO L93 Difference]: Finished difference Result 2695 states and 2896 transitions. [2020-10-19 22:31:08,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:08,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2020-10-19 22:31:08,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:08,995 INFO L225 Difference]: With dead ends: 2695 [2020-10-19 22:31:08,996 INFO L226 Difference]: Without dead ends: 1559 [2020-10-19 22:31:08,998 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 22:31:09,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2020-10-19 22:31:09,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1278. [2020-10-19 22:31:09,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1278 states. [2020-10-19 22:31:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1278 states and 1361 transitions. [2020-10-19 22:31:09,027 INFO L78 Accepts]: Start accepts. Automaton has 1278 states and 1361 transitions. Word has length 268 [2020-10-19 22:31:09,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:09,028 INFO L481 AbstractCegarLoop]: Abstraction has 1278 states and 1361 transitions. [2020-10-19 22:31:09,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1361 transitions. [2020-10-19 22:31:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-10-19 22:31:09,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:09,034 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, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:09,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-19 22:31:09,035 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:09,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:09,036 INFO L82 PathProgramCache]: Analyzing trace with hash -342046692, now seen corresponding path program 1 times [2020-10-19 22:31:09,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:09,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47402262] [2020-10-19 22:31:09,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 22:31:09,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47402262] [2020-10-19 22:31:09,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:09,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 22:31:09,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242372019] [2020-10-19 22:31:09,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-19 22:31:09,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:09,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 22:31:09,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:31:09,242 INFO L87 Difference]: Start difference. First operand 1278 states and 1361 transitions. Second operand 4 states. [2020-10-19 22:31:10,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:10,125 INFO L93 Difference]: Finished difference Result 2974 states and 3160 transitions. [2020-10-19 22:31:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-19 22:31:10,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 291 [2020-10-19 22:31:10,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:10,133 INFO L225 Difference]: With dead ends: 2974 [2020-10-19 22:31:10,134 INFO L226 Difference]: Without dead ends: 1558 [2020-10-19 22:31:10,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-19 22:31:10,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2020-10-19 22:31:10,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 1416. [2020-10-19 22:31:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2020-10-19 22:31:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1483 transitions. [2020-10-19 22:31:10,166 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1483 transitions. Word has length 291 [2020-10-19 22:31:10,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:10,166 INFO L481 AbstractCegarLoop]: Abstraction has 1416 states and 1483 transitions. [2020-10-19 22:31:10,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-19 22:31:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1483 transitions. [2020-10-19 22:31:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-19 22:31:10,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:10,173 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:31:10,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-19 22:31:10,174 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:10,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:10,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1359711507, now seen corresponding path program 1 times [2020-10-19 22:31:10,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:10,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253034007] [2020-10-19 22:31:10,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-19 22:31:10,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253034007] [2020-10-19 22:31:10,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 22:31:10,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 22:31:10,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531391932] [2020-10-19 22:31:10,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-19 22:31:10,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:10,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 22:31:10,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:31:10,413 INFO L87 Difference]: Start difference. First operand 1416 states and 1483 transitions. Second operand 5 states. [2020-10-19 22:31:11,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:11,488 INFO L93 Difference]: Finished difference Result 2858 states and 3002 transitions. [2020-10-19 22:31:11,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 22:31:11,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 301 [2020-10-19 22:31:11,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:11,495 INFO L225 Difference]: With dead ends: 2858 [2020-10-19 22:31:11,495 INFO L226 Difference]: Without dead ends: 1295 [2020-10-19 22:31:11,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-19 22:31:11,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-10-19 22:31:11,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1134. [2020-10-19 22:31:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2020-10-19 22:31:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1161 transitions. [2020-10-19 22:31:11,524 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1161 transitions. Word has length 301 [2020-10-19 22:31:11,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:11,525 INFO L481 AbstractCegarLoop]: Abstraction has 1134 states and 1161 transitions. [2020-10-19 22:31:11,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-19 22:31:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1161 transitions. [2020-10-19 22:31:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-19 22:31:11,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 22:31:11,531 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-19 22:31:11,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-19 22:31:11,532 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-19 22:31:11,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 22:31:11,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1849293059, now seen corresponding path program 1 times [2020-10-19 22:31:11,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 22:31:11,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147089385] [2020-10-19 22:31:11,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 22:31:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 277 proven. 106 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-19 22:31:11,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147089385] [2020-10-19 22:31:11,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353478027] [2020-10-19 22:31:11,809 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 22:31:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 22:31:11,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-19 22:31:11,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 22:31:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-10-19 22:31:12,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-19 22:31:12,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-10-19 22:31:12,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006431727] [2020-10-19 22:31:12,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 22:31:12,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 22:31:12,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 22:31:12,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:31:12,101 INFO L87 Difference]: Start difference. First operand 1134 states and 1161 transitions. Second operand 3 states. [2020-10-19 22:31:12,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 22:31:12,604 INFO L93 Difference]: Finished difference Result 1557 states and 1597 transitions. [2020-10-19 22:31:12,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 22:31:12,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 343 [2020-10-19 22:31:12,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 22:31:12,606 INFO L225 Difference]: With dead ends: 1557 [2020-10-19 22:31:12,606 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 22:31:12,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-19 22:31:12,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 22:31:12,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 22:31:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 22:31:12,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 22:31:12,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2020-10-19 22:31:12,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 22:31:12,609 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 22:31:12,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 22:31:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 22:31:12,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 22:31:12,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-19 22:31:12,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-19 22:31:13,230 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-10-19 22:31:13,508 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 37 [2020-10-19 22:31:13,519 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-19 22:31:13,519 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-19 22:31:13,519 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-19 22:31:13,519 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:13,519 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-19 22:31:13,520 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-19 22:31:13,520 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-19 22:31:13,520 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,520 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,520 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,520 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-19 22:31:13,520 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-19 22:31:13,520 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-19 22:31:13,520 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-19 22:31:13,521 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-19 22:31:13,521 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-19 22:31:13,521 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-19 22:31:13,521 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,521 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,521 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,521 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-19 22:31:13,521 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-19 22:31:13,521 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-19 22:31:13,522 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-19 22:31:13,522 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:13,522 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-19 22:31:13,522 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-19 22:31:13,522 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,523 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,523 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,523 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-19 22:31:13,523 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-19 22:31:13,523 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-19 22:31:13,523 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-19 22:31:13,524 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-19 22:31:13,524 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,524 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,524 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,524 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-19 22:31:13,524 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-19 22:31:13,524 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-19 22:31:13,524 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-19 22:31:13,525 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-19 22:31:13,525 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-19 22:31:13,525 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-19 22:31:13,527 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-19 22:31:13,527 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,527 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,527 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,528 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-19 22:31:13,528 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-19 22:31:13,528 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-19 22:31:13,528 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-19 22:31:13,528 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-19 22:31:13,529 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-19 22:31:13,529 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-19 22:31:13,529 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-19 22:31:13,529 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,529 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,529 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,530 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:13,530 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:13,530 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-19 22:31:13,530 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-19 22:31:13,530 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-19 22:31:13,530 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-19 22:31:13,531 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-19 22:31:13,531 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-19 22:31:13,531 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-19 22:31:13,531 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,531 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,531 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,531 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-19 22:31:13,532 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-19 22:31:13,532 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-19 22:31:13,532 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-19 22:31:13,532 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-19 22:31:13,532 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-19 22:31:13,532 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 22:31:13,532 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,532 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,533 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,533 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-19 22:31:13,533 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-19 22:31:13,533 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-19 22:31:13,533 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-19 22:31:13,533 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-19 22:31:13,533 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-19 22:31:13,533 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-19 22:31:13,533 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-19 22:31:13,534 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,534 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,534 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,534 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-19 22:31:13,534 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-19 22:31:13,534 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-19 22:31:13,534 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-19 22:31:13,535 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-19 22:31:13,535 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,535 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,535 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,535 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-19 22:31:13,536 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 22:31:13,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-19 22:31:13,536 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-19 22:31:13,536 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-19 22:31:13,536 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-19 22:31:13,536 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-19 22:31:13,536 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-19 22:31:13,537 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:13,537 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-19 22:31:13,537 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-19 22:31:13,537 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-19 22:31:13,537 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-19 22:31:13,537 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,537 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,537 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-19 22:31:13,537 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-19 22:31:13,537 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-19 22:31:13,538 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-19 22:31:13,538 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-19 22:31:13,539 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-19 22:31:13,539 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:13,539 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-19 22:31:13,539 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-19 22:31:13,539 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-19 22:31:13,541 INFO L270 CegarLoopResult]: At program point L599(lines 31 600) the Hoare annotation is: (let ((.cse4 (<= 9 ~a28~0)) (.cse6 (= ~a21~0 1)) (.cse7 (= ~a17~0 8)) (.cse11 (<= ~a25~0 0)) (.cse0 (<= ~a19~0 0)) (.cse10 (<= ~a28~0 7)) (.cse2 (= ~a11~0 1)) (.cse5 (= ~a19~0 1)) (.cse8 (<= 8 ~a17~0)) (.cse9 (= ~a25~0 1)) (.cse1 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse3) (and .cse5 .cse6 .cse8 .cse9 .cse1) (and .cse5 .cse9 .cse10 .cse1) (and .cse0 .cse4 .cse9 .cse1 .cse3) (and .cse5 .cse10 .cse1 .cse2) (and .cse0 (<= ~a28~0 8) .cse1 .cse11) (and .cse5 .cse6 .cse7 .cse10 .cse11) (and .cse0 .cse10 .cse1) (and .cse5 .cse8 .cse2 .cse1 .cse3) (and .cse5 .cse8 .cse9 .cse1 .cse3))) [2020-10-19 22:31:13,542 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,542 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,542 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-19 22:31:13,542 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-19 22:31:13,542 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-19 22:31:13,542 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-19 22:31:13,542 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:13,542 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-19 22:31:13,543 INFO L277 CegarLoopResult]: At program point L602(lines 602 619) the Hoare annotation is: true [2020-10-19 22:31:13,543 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,543 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,543 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-19 22:31:13,543 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-19 22:31:13,543 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-19 22:31:13,543 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-19 22:31:13,543 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-19 22:31:13,543 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-19 22:31:13,543 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:13,544 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-19 22:31:13,544 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-19 22:31:13,544 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,544 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,553 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:13,553 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-19 22:31:13,553 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-19 22:31:13,554 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-19 22:31:13,554 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-19 22:31:13,554 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-19 22:31:13,554 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse4 (<= 9 ~a28~0)) (.cse6 (= ~a21~0 1)) (.cse7 (= ~a17~0 8)) (.cse11 (<= ~a25~0 0)) (.cse0 (<= ~a19~0 0)) (.cse10 (<= ~a28~0 7)) (.cse2 (= ~a11~0 1)) (.cse5 (= ~a19~0 1)) (.cse8 (<= 8 ~a17~0)) (.cse9 (= ~a25~0 1)) (.cse1 (<= ~a17~0 8)) (.cse3 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse3) (and .cse5 .cse6 .cse8 .cse9 .cse1) (and .cse5 .cse9 .cse10 .cse1) (and .cse0 .cse4 .cse9 .cse1 .cse3) (and .cse5 .cse10 .cse1 .cse2) (and .cse0 (<= ~a28~0 8) .cse1 .cse11) (and .cse5 .cse6 .cse7 .cse10 .cse11) (and .cse0 .cse10 .cse1) (and .cse5 .cse8 .cse2 .cse1 .cse3) (and .cse5 .cse8 .cse9 .cse1 .cse3))) [2020-10-19 22:31:13,555 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,555 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,555 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-19 22:31:13,555 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-19 22:31:13,556 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-19 22:31:13,556 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-19 22:31:13,556 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-19 22:31:13,556 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,556 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,556 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-19 22:31:13,556 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-19 22:31:13,557 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-19 22:31:13,557 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-19 22:31:13,557 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-19 22:31:13,557 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-19 22:31:13,557 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-19 22:31:13,557 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:13,558 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-19 22:31:13,558 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,558 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,558 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-19 22:31:13,558 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,558 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 22:31:13,559 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-19 22:31:13,559 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-19 22:31:13,559 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-19 22:31:13,559 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-19 22:31:13,559 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-19 22:31:13,559 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-19 22:31:13,560 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,560 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,560 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,560 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-19 22:31:13,560 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-19 22:31:13,560 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-19 22:31:13,561 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-19 22:31:13,561 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-19 22:31:13,561 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,561 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,561 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,561 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-19 22:31:13,562 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-19 22:31:13,562 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-19 22:31:13,562 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-19 22:31:13,562 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-19 22:31:13,562 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-19 22:31:13,562 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 22:31:13,563 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,563 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,563 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,563 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-19 22:31:13,563 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-19 22:31:13,564 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-19 22:31:13,564 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-19 22:31:13,564 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-19 22:31:13,564 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-19 22:31:13,564 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-19 22:31:13,564 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-19 22:31:13,565 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,565 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,565 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,565 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-19 22:31:13,565 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-19 22:31:13,565 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-19 22:31:13,565 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-19 22:31:13,566 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-19 22:31:13,566 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,566 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,566 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-19 22:31:13,566 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-19 22:31:13,566 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-19 22:31:13,567 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-19 22:31:13,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 10:31:13 BoogieIcfgContainer [2020-10-19 22:31:13,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 22:31:13,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 22:31:13,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 22:31:13,597 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 22:31:13,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:30:57" (3/4) ... [2020-10-19 22:31:13,602 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 22:31:13,640 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 22:31:13,641 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 22:31:13,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:13,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 22:31:13,859 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 22:31:13,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 22:31:13,861 INFO L168 Benchmark]: Toolchain (without parser) took 18348.73 ms. Allocated memory was 43.5 MB in the beginning and 205.0 MB in the end (delta: 161.5 MB). Free memory was 23.8 MB in the beginning and 152.5 MB in the end (delta: -128.7 MB). Peak memory consumption was 32.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:13,861 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 33.6 MB. Free memory was 13.4 MB in the beginning and 13.3 MB in the end (delta: 50.0 kB). Peak memory consumption was 50.0 kB. Max. memory is 14.3 GB. [2020-10-19 22:31:13,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.47 ms. Allocated memory was 43.5 MB in the beginning and 46.1 MB in the end (delta: 2.6 MB). Free memory was 22.9 MB in the beginning and 27.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:13,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.38 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 22.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:13,863 INFO L168 Benchmark]: Boogie Preprocessor took 79.34 ms. Allocated memory is still 46.1 MB. Free memory was 22.0 MB in the beginning and 17.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:13,864 INFO L168 Benchmark]: RCFGBuilder took 1555.27 ms. Allocated memory was 46.1 MB in the beginning and 55.6 MB in the end (delta: 9.4 MB). Free memory was 17.4 MB in the beginning and 27.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:13,864 INFO L168 Benchmark]: TraceAbstraction took 15644.54 ms. Allocated memory was 55.6 MB in the beginning and 205.0 MB in the end (delta: 149.4 MB). Free memory was 27.1 MB in the beginning and 172.3 MB in the end (delta: -145.2 MB). Peak memory consumption was 164.4 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:13,865 INFO L168 Benchmark]: Witness Printer took 262.52 ms. Allocated memory is still 205.0 MB. Free memory was 172.3 MB in the beginning and 152.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 14.3 GB. [2020-10-19 22:31:13,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 33.6 MB. Free memory was 13.4 MB in the beginning and 13.3 MB in the end (delta: 50.0 kB). Peak memory consumption was 50.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 707.47 ms. Allocated memory was 43.5 MB in the beginning and 46.1 MB in the end (delta: 2.6 MB). Free memory was 22.9 MB in the beginning and 27.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 87.38 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 22.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 79.34 ms. Allocated memory is still 46.1 MB. Free memory was 22.0 MB in the beginning and 17.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1555.27 ms. Allocated memory was 46.1 MB in the beginning and 55.6 MB in the end (delta: 9.4 MB). Free memory was 17.4 MB in the beginning and 27.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 15644.54 ms. Allocated memory was 55.6 MB in the beginning and 205.0 MB in the end (delta: 149.4 MB). Free memory was 27.1 MB in the beginning and 172.3 MB in the end (delta: -145.2 MB). Peak memory consumption was 164.4 MB. Max. memory is 14.3 GB. * Witness Printer took 262.52 ms. Allocated memory is still 205.0 MB. Free memory was 172.3 MB in the beginning and 152.5 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 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 <= 0 && a17 <= 8) && a11 == 1) && a28 <= 10) || ((((9 <= a28 && a19 == 1) && a21 == 1) && a17 == 8) && a28 <= 10)) || ((((a19 == 1 && a21 == 1) && 8 <= a17) && a25 == 1) && a17 <= 8)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 <= 0 && 9 <= a28) && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a28 <= 7) && a17 <= 8) && a11 == 1)) || (((a19 <= 0 && a28 <= 8) && a17 <= 8) && a25 <= 0)) || ((((a19 == 1 && a21 == 1) && a17 == 8) && a28 <= 7) && a25 <= 0)) || ((a19 <= 0 && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a11 == 1) && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: ((((((((((((a19 <= 0 && a17 <= 8) && a11 == 1) && a28 <= 10) || ((((9 <= a28 && a19 == 1) && a21 == 1) && a17 == 8) && a28 <= 10)) || ((((a19 == 1 && a21 == 1) && 8 <= a17) && a25 == 1) && a17 <= 8)) || (((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 8)) || ((((a19 <= 0 && 9 <= a28) && a25 == 1) && a17 <= 8) && a28 <= 10)) || (((a19 == 1 && a28 <= 7) && a17 <= 8) && a11 == 1)) || (((a19 <= 0 && a28 <= 8) && a17 <= 8) && a25 <= 0)) || ((((a19 == 1 && a21 == 1) && a17 == 8) && a28 <= 7) && a25 <= 0)) || ((a19 <= 0 && a28 <= 7) && a17 <= 8)) || ((((a19 == 1 && 8 <= a17) && a11 == 1) && a17 <= 8) && a28 <= 10)) || ((((a19 == 1 && 8 <= a17) && a25 == 1) && 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: 14.8s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1414 SDtfs, 1844 SDslu, 173 SDs, 0 SdLazy, 4965 SolverSat, 705 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1038 GetRequests, 1010 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1416occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1012 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 319 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1574 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 310 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3876 NumberOfCodeBlocks, 3876 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3859 ConstructedInterpolants, 0 QuantifiedInterpolants, 2345977 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1659 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 2265/2399 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...