./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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/Problem10_label02.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 c99985343c1561a1319832450a83936510ceaa69 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 20:25:57,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:25:57,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:25:57,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:25:57,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:25:57,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:25:57,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:25:57,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:25:57,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:25:57,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:25:57,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:25:57,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:25:57,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:25:57,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:25:57,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:25:57,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:25:57,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:25:57,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:25:57,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:25:57,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:25:57,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:25:57,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:25:57,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:25:57,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:25:57,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:25:57,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:25:57,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:25:57,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:25:57,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:25:57,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:25:57,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:25:57,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:25:57,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:25:57,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:25:57,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:25:57,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:25:57,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:25:57,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:25:57,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:25:57,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:25:57,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:25:58,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:25:58,051 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:25:58,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:25:58,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:25:58,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:25:58,057 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:25:58,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:25:58,058 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:25:58,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:25:58,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:25:58,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:25:58,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:25:58,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:25:58,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:25:58,061 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:25:58,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:25:58,061 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:25:58,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:25:58,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:25:58,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:25:58,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:25:58,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:25:58,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:25:58,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:25:58,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:25:58,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:25:58,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:25:58,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:25:58,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:25:58,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:25:58,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c99985343c1561a1319832450a83936510ceaa69 [2020-10-25 20:25:58,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:25:58,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:25:58,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:25:58,527 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:25:58,528 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:25:58,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2020-10-25 20:25:58,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bccbdd348/d7851e1516e14d489208a1316e980086/FLAG24aacdfc2 [2020-10-25 20:25:59,394 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:25:59,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label02.c [2020-10-25 20:25:59,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bccbdd348/d7851e1516e14d489208a1316e980086/FLAG24aacdfc2 [2020-10-25 20:25:59,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bccbdd348/d7851e1516e14d489208a1316e980086 [2020-10-25 20:25:59,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:25:59,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:25:59,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:25:59,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:25:59,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:25:59,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:25:59" (1/1) ... [2020-10-25 20:25:59,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0602c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:25:59, skipping insertion in model container [2020-10-25 20:25:59,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:25:59" (1/1) ... [2020-10-25 20:25:59,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:25:59,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:26:00,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:26:00,333 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:26:00,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:26:00,493 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:26:00,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00 WrapperNode [2020-10-25 20:26:00,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:26:00,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:26:00,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:26:00,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:26:00,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (1/1) ... [2020-10-25 20:26:00,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (1/1) ... [2020-10-25 20:26:00,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:26:00,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:26:00,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:26:00,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:26:00,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (1/1) ... [2020-10-25 20:26:00,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (1/1) ... [2020-10-25 20:26:00,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (1/1) ... [2020-10-25 20:26:00,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (1/1) ... [2020-10-25 20:26:00,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (1/1) ... [2020-10-25 20:26:00,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (1/1) ... [2020-10-25 20:26:00,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (1/1) ... [2020-10-25 20:26:00,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:26:00,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:26:00,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:26:00,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:26:00,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (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 [2020-10-25 20:26:00,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:26:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:26:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:26:00,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:26:02,372 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:26:02,372 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:26:02,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:26:02 BoogieIcfgContainer [2020-10-25 20:26:02,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:26:02,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:26:02,381 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:26:02,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:26:02,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:25:59" (1/3) ... [2020-10-25 20:26:02,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b2df33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:26:02, skipping insertion in model container [2020-10-25 20:26:02,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:26:00" (2/3) ... [2020-10-25 20:26:02,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b2df33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:26:02, skipping insertion in model container [2020-10-25 20:26:02,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:26:02" (3/3) ... [2020-10-25 20:26:02,389 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label02.c [2020-10-25 20:26:02,402 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:26:02,408 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:26:02,421 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:26:02,451 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:26:02,451 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:26:02,452 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:26:02,452 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:26:02,452 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:26:02,452 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:26:02,452 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:26:02,453 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:26:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-25 20:26:02,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-25 20:26:02,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:02,483 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] [2020-10-25 20:26:02,484 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:02,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:02,491 INFO L82 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times [2020-10-25 20:26:02,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:02,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41254257] [2020-10-25 20:26:02,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:02,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:02,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41254257] [2020-10-25 20:26:02,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:02,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:26:02,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694695151] [2020-10-25 20:26:02,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:02,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:02,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:02,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:02,915 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-10-25 20:26:04,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:04,133 INFO L93 Difference]: Finished difference Result 568 states and 982 transitions. [2020-10-25 20:26:04,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:04,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-10-25 20:26:04,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:04,152 INFO L225 Difference]: With dead ends: 568 [2020-10-25 20:26:04,152 INFO L226 Difference]: Without dead ends: 282 [2020-10-25 20:26:04,157 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 [2020-10-25 20:26:04,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-25 20:26:04,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-10-25 20:26:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-25 20:26:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2020-10-25 20:26:04,226 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 59 [2020-10-25 20:26:04,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:04,227 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2020-10-25 20:26:04,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2020-10-25 20:26:04,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-25 20:26:04,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:04,233 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:04,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:26:04,234 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:04,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:04,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1573043836, now seen corresponding path program 1 times [2020-10-25 20:26:04,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:04,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330732791] [2020-10-25 20:26:04,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:04,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330732791] [2020-10-25 20:26:04,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:04,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:26:04,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360223913] [2020-10-25 20:26:04,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:04,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:04,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:04,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:04,449 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2020-10-25 20:26:05,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:05,338 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2020-10-25 20:26:05,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:05,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2020-10-25 20:26:05,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:05,347 INFO L225 Difference]: With dead ends: 840 [2020-10-25 20:26:05,348 INFO L226 Difference]: Without dead ends: 560 [2020-10-25 20:26:05,354 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 [2020-10-25 20:26:05,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-25 20:26:05,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-25 20:26:05,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-25 20:26:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 731 transitions. [2020-10-25 20:26:05,423 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 731 transitions. Word has length 129 [2020-10-25 20:26:05,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:05,424 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 731 transitions. [2020-10-25 20:26:05,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:05,425 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 731 transitions. [2020-10-25 20:26:05,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-25 20:26:05,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:05,438 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:05,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:26:05,439 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:05,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:05,440 INFO L82 PathProgramCache]: Analyzing trace with hash -905317176, now seen corresponding path program 1 times [2020-10-25 20:26:05,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:05,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885001084] [2020-10-25 20:26:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:05,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885001084] [2020-10-25 20:26:05,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:05,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 20:26:05,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991754210] [2020-10-25 20:26:05,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 20:26:05,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:05,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 20:26:05,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:26:05,887 INFO L87 Difference]: Start difference. First operand 560 states and 731 transitions. Second operand 7 states. [2020-10-25 20:26:06,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:06,750 INFO L93 Difference]: Finished difference Result 1173 states and 1515 transitions. [2020-10-25 20:26:06,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 20:26:06,755 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2020-10-25 20:26:06,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:06,761 INFO L225 Difference]: With dead ends: 1173 [2020-10-25 20:26:06,761 INFO L226 Difference]: Without dead ends: 560 [2020-10-25 20:26:06,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:26:06,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-25 20:26:06,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-25 20:26:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-25 20:26:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 727 transitions. [2020-10-25 20:26:06,814 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 727 transitions. Word has length 134 [2020-10-25 20:26:06,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:06,815 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 727 transitions. [2020-10-25 20:26:06,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 20:26:06,816 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 727 transitions. [2020-10-25 20:26:06,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-25 20:26:06,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:06,821 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:06,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:26:06,823 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:06,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:06,824 INFO L82 PathProgramCache]: Analyzing trace with hash -255506960, now seen corresponding path program 1 times [2020-10-25 20:26:06,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:06,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276686309] [2020-10-25 20:26:06,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:07,067 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:07,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276686309] [2020-10-25 20:26:07,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:07,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:26:07,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038018435] [2020-10-25 20:26:07,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:07,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:07,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:07,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:07,072 INFO L87 Difference]: Start difference. First operand 560 states and 727 transitions. Second operand 3 states. [2020-10-25 20:26:08,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:08,017 INFO L93 Difference]: Finished difference Result 1674 states and 2176 transitions. [2020-10-25 20:26:08,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:08,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-10-25 20:26:08,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:08,027 INFO L225 Difference]: With dead ends: 1674 [2020-10-25 20:26:08,027 INFO L226 Difference]: Without dead ends: 1116 [2020-10-25 20:26:08,029 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 [2020-10-25 20:26:08,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-25 20:26:08,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-10-25 20:26:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-25 20:26:08,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1391 transitions. [2020-10-25 20:26:08,067 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1391 transitions. Word has length 150 [2020-10-25 20:26:08,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:08,068 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1391 transitions. [2020-10-25 20:26:08,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:08,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1391 transitions. [2020-10-25 20:26:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-25 20:26:08,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:08,071 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:08,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:26:08,072 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:08,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:08,072 INFO L82 PathProgramCache]: Analyzing trace with hash 633166515, now seen corresponding path program 1 times [2020-10-25 20:26:08,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:08,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382858131] [2020-10-25 20:26:08,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:08,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382858131] [2020-10-25 20:26:08,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:08,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:26:08,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667085118] [2020-10-25 20:26:08,224 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:08,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:08,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:08,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:26:08,225 INFO L87 Difference]: Start difference. First operand 1116 states and 1391 transitions. Second operand 3 states. [2020-10-25 20:26:09,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:09,071 INFO L93 Difference]: Finished difference Result 2369 states and 2928 transitions. [2020-10-25 20:26:09,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:09,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-10-25 20:26:09,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:09,081 INFO L225 Difference]: With dead ends: 2369 [2020-10-25 20:26:09,081 INFO L226 Difference]: Without dead ends: 1255 [2020-10-25 20:26:09,083 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 [2020-10-25 20:26:09,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-25 20:26:09,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-10-25 20:26:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-25 20:26:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1534 transitions. [2020-10-25 20:26:09,119 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1534 transitions. Word has length 151 [2020-10-25 20:26:09,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:09,119 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1534 transitions. [2020-10-25 20:26:09,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1534 transitions. [2020-10-25 20:26:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-25 20:26:09,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:09,123 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:09,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:26:09,123 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:09,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:09,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1113521310, now seen corresponding path program 1 times [2020-10-25 20:26:09,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:09,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448199394] [2020-10-25 20:26:09,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-25 20:26:09,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448199394] [2020-10-25 20:26:09,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274170682] [2020-10-25 20:26:09,427 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 [2020-10-25 20:26:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:09,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:26:09,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:26:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:26:09,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:26:09,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-10-25 20:26:09,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320720767] [2020-10-25 20:26:09,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:09,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:09,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:09,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:26:09,847 INFO L87 Difference]: Start difference. First operand 1255 states and 1534 transitions. Second operand 3 states. [2020-10-25 20:26:10,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:10,585 INFO L93 Difference]: Finished difference Result 2369 states and 2923 transitions. [2020-10-25 20:26:10,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:10,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-10-25 20:26:10,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:10,599 INFO L225 Difference]: With dead ends: 2369 [2020-10-25 20:26:10,599 INFO L226 Difference]: Without dead ends: 1255 [2020-10-25 20:26:10,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:26:10,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-10-25 20:26:10,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-10-25 20:26:10,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-25 20:26:10,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1506 transitions. [2020-10-25 20:26:10,647 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1506 transitions. Word has length 170 [2020-10-25 20:26:10,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:10,648 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1506 transitions. [2020-10-25 20:26:10,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:10,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1506 transitions. [2020-10-25 20:26:10,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-25 20:26:10,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:10,653 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:10,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-25 20:26:10,867 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:10,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:10,868 INFO L82 PathProgramCache]: Analyzing trace with hash 773655314, now seen corresponding path program 1 times [2020-10-25 20:26:10,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:10,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070502523] [2020-10-25 20:26:10,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-25 20:26:11,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070502523] [2020-10-25 20:26:11,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317897108] [2020-10-25 20:26:11,219 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 [2020-10-25 20:26:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:11,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:26:11,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:26:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-25 20:26:11,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:26:11,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-25 20:26:11,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917921794] [2020-10-25 20:26:11,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:26:11,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:11,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:26:11,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:26:11,465 INFO L87 Difference]: Start difference. First operand 1255 states and 1506 transitions. Second operand 3 states. [2020-10-25 20:26:12,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:12,255 INFO L93 Difference]: Finished difference Result 1674 states and 2014 transitions. [2020-10-25 20:26:12,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:26:12,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-10-25 20:26:12,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:12,265 INFO L225 Difference]: With dead ends: 1674 [2020-10-25 20:26:12,266 INFO L226 Difference]: Without dead ends: 1672 [2020-10-25 20:26:12,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:26:12,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-10-25 20:26:12,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2020-10-25 20:26:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-25 20:26:12,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1505 transitions. [2020-10-25 20:26:12,309 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1505 transitions. Word has length 189 [2020-10-25 20:26:12,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:12,310 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1505 transitions. [2020-10-25 20:26:12,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:26:12,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1505 transitions. [2020-10-25 20:26:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-25 20:26:12,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:26:12,316 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:26:12,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:26:12,531 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:26:12,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:26:12,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1134060396, now seen corresponding path program 1 times [2020-10-25 20:26:12,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:26:12,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909650901] [2020-10-25 20:26:12,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:26:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:26:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-25 20:26:12,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909650901] [2020-10-25 20:26:12,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:26:12,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 20:26:12,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822810939] [2020-10-25 20:26:12,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 20:26:12,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:26:12,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 20:26:12,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:26:12,999 INFO L87 Difference]: Start difference. First operand 1255 states and 1505 transitions. Second operand 7 states. [2020-10-25 20:26:13,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:26:13,779 INFO L93 Difference]: Finished difference Result 2290 states and 2777 transitions. [2020-10-25 20:26:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 20:26:13,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 233 [2020-10-25 20:26:13,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:26:13,780 INFO L225 Difference]: With dead ends: 2290 [2020-10-25 20:26:13,780 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:26:13,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:26:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:26:13,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:26:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:26:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:26:13,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2020-10-25 20:26:13,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:26:13,785 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:26:13,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 20:26:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:26:13,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:26:13,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 20:26:13,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:26:13,923 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2020-10-25 20:26:14,039 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2020-10-25 20:26:14,043 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-25 20:26:14,044 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 20:26:14,045 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-25 20:26:14,046 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-25 20:26:14,046 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-25 20:26:14,046 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-25 20:26:14,046 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-25 20:26:14,046 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-25 20:26:14,047 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-25 20:26:14,047 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-25 20:26:14,048 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,048 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,048 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,048 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,048 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,048 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-25 20:26:14,048 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-25 20:26:14,049 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-25 20:26:14,049 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-25 20:26:14,049 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-25 20:26:14,049 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-25 20:26:14,049 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-25 20:26:14,049 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-25 20:26:14,050 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-25 20:26:14,050 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-25 20:26:14,050 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-25 20:26:14,050 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-25 20:26:14,050 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-25 20:26:14,050 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-25 20:26:14,051 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,051 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,051 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,051 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,051 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,051 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-25 20:26:14,051 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-25 20:26:14,052 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-25 20:26:14,052 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-25 20:26:14,052 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-25 20:26:14,052 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-25 20:26:14,053 INFO L270 CegarLoopResult]: At program point L575(lines 22 576) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse2 (= ~a10~0 0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 1 ~a10~0) .cse1) (and .cse0 (<= 9 ~a19~0) .cse2 .cse1) (and (= ~a19~0 8) .cse0 .cse2 .cse1) (and .cse0 .cse2 .cse1 (<= ~a1~0 23)))) [2020-10-25 20:26:14,053 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-25 20:26:14,053 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-25 20:26:14,053 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-25 20:26:14,053 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-25 20:26:14,054 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,054 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,054 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,054 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,054 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,054 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-25 20:26:14,054 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-25 20:26:14,055 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-25 20:26:14,055 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-25 20:26:14,055 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-25 20:26:14,055 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-25 20:26:14,055 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-25 20:26:14,055 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 20:26:14,056 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-25 20:26:14,056 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-25 20:26:14,056 INFO L277 CegarLoopResult]: At program point L578(lines 578 594) the Hoare annotation is: true [2020-10-25 20:26:14,056 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-25 20:26:14,056 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-25 20:26:14,056 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-25 20:26:14,056 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,057 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,057 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,057 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,057 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,057 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-25 20:26:14,057 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-25 20:26:14,057 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-25 20:26:14,058 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 20:26:14,058 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-25 20:26:14,058 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-25 20:26:14,058 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-25 20:26:14,058 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-25 20:26:14,058 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:26:14,058 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-25 20:26:14,059 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,059 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,059 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,059 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,059 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,059 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-25 20:26:14,060 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-25 20:26:14,060 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-25 20:26:14,060 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-25 20:26:14,060 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-25 20:26:14,060 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-25 20:26:14,060 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-25 20:26:14,060 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 20:26:14,061 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-25 20:26:14,061 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-25 20:26:14,061 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-25 20:26:14,061 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-25 20:26:14,061 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse2 (= ~a10~0 0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (<= 1 ~a10~0) .cse1) (and .cse0 (<= 9 ~a19~0) .cse2 .cse1) (and (= ~a19~0 8) .cse0 .cse2 .cse1) (and .cse0 .cse2 .cse1 (<= ~a1~0 23)))) [2020-10-25 20:26:14,062 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-25 20:26:14,062 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,062 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,062 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,062 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,062 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-25 20:26:14,062 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,063 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,063 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-25 20:26:14,063 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-25 20:26:14,063 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-25 20:26:14,063 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-25 20:26:14,063 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-25 20:26:14,063 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-25 20:26:14,064 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-25 20:26:14,064 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-25 20:26:14,064 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-25 20:26:14,064 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-25 20:26:14,064 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-25 20:26:14,064 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:26:14,064 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-25 20:26:14,065 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-25 20:26:14,065 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,065 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,065 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,065 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,065 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,065 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,066 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-25 20:26:14,066 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-25 20:26:14,066 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-25 20:26:14,066 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-25 20:26:14,066 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-25 20:26:14,066 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-25 20:26:14,066 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 20:26:14,067 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-25 20:26:14,067 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-25 20:26:14,067 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-25 20:26:14,067 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-25 20:26:14,067 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-25 20:26:14,067 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:26:14,067 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-25 20:26:14,068 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-25 20:26:14,068 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-25 20:26:14,068 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,068 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,068 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,068 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,068 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,069 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,069 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-25 20:26:14,069 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-25 20:26:14,069 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-25 20:26:14,069 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-25 20:26:14,069 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-25 20:26:14,069 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-25 20:26:14,070 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-25 20:26:14,070 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-25 20:26:14,070 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-25 20:26:14,070 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-25 20:26:14,070 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-25 20:26:14,070 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-25 20:26:14,070 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-25 20:26:14,071 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,071 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,071 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,071 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,071 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,071 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:26:14,071 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,072 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:26:14,072 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-25 20:26:14,072 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-25 20:26:14,072 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-25 20:26:14,072 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-25 20:26:14,072 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-25 20:26:14,073 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-25 20:26:14,073 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-25 20:26:14,073 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-25 20:26:14,073 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 20:26:14,073 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-25 20:26:14,073 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-25 20:26:14,073 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-25 20:26:14,074 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,074 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,074 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,074 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,074 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,074 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:26:14,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:26:14 BoogieIcfgContainer [2020-10-25 20:26:14,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:26:14,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:26:14,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:26:14,098 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:26:14,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:26:02" (3/4) ... [2020-10-25 20:26:14,102 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:26:14,124 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:26:14,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:26:14,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:26:14,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:26:14,346 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:26:14,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:26:14,347 INFO L168 Benchmark]: Toolchain (without parser) took 14690.72 ms. Allocated memory was 54.5 MB in the beginning and 226.5 MB in the end (delta: 172.0 MB). Free memory was 29.8 MB in the beginning and 124.1 MB in the end (delta: -94.3 MB). Peak memory consumption was 78.8 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:14,348 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 44.0 MB. Free memory was 23.8 MB in the beginning and 23.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:26:14,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 830.13 ms. Allocated memory is still 54.5 MB. Free memory was 29.0 MB in the beginning and 27.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:14,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.42 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 32.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:14,350 INFO L168 Benchmark]: Boogie Preprocessor took 108.53 ms. Allocated memory is still 54.5 MB. Free memory was 32.8 MB in the beginning and 27.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:14,350 INFO L168 Benchmark]: RCFGBuilder took 1639.74 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 27.5 MB in the beginning and 53.6 MB in the end (delta: -26.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:14,351 INFO L168 Benchmark]: TraceAbstraction took 11717.18 ms. Allocated memory was 81.8 MB in the beginning and 226.5 MB in the end (delta: 144.7 MB). Free memory was 53.1 MB in the beginning and 139.8 MB in the end (delta: -86.7 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:14,351 INFO L168 Benchmark]: Witness Printer took 248.93 ms. Allocated memory is still 226.5 MB. Free memory was 139.8 MB in the beginning and 124.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:26:14,354 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 44.0 MB. Free memory was 23.8 MB in the beginning and 23.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 830.13 ms. Allocated memory is still 54.5 MB. Free memory was 29.0 MB in the beginning and 27.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.42 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 32.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.53 ms. Allocated memory is still 54.5 MB. Free memory was 32.8 MB in the beginning and 27.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1639.74 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 27.5 MB in the beginning and 53.6 MB in the end (delta: -26.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11717.18 ms. Allocated memory was 81.8 MB in the beginning and 226.5 MB in the end (delta: 144.7 MB). Free memory was 53.1 MB in the beginning and 139.8 MB in the end (delta: -86.7 MB). Peak memory consumption was 58.9 MB. Max. memory is 16.1 GB. * Witness Printer took 248.93 ms. Allocated memory is still 226.5 MB. Free memory was 139.8 MB in the beginning and 124.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 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: 578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: ((((14 == a4 && 1 <= a10) && a12 == 0) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || (((a19 == 8 && 14 == a4) && a10 == 0) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a1 <= 23) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((14 == a4 && 1 <= a10) && a12 == 0) || (((14 == a4 && 9 <= a19) && a10 == 0) && a12 == 0)) || (((a19 == 8 && 14 == a4) && a10 == 0) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a1 <= 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.3s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 417 SDtfs, 909 SDslu, 44 SDs, 0 SdLazy, 3220 SolverSat, 398 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 383 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1255occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 417 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 27 NumberOfFragments, 101 HoareAnnotationTreeSize, 3 FomulaSimplifications, 328 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 70 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1574 NumberOfCodeBlocks, 1574 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1564 ConstructedInterpolants, 0 QuantifiedInterpolants, 1469856 SizeOfPredicates, 2 NumberOfNonLiveVariables, 541 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 538/626 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...