./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label38.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_label38.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 6222ba410ba52d51e8247f0d292889355c9cbb64 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 20:27:20,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 20:27:20,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 20:27:20,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 20:27:20,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 20:27:20,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 20:27:20,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 20:27:20,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 20:27:20,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 20:27:20,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 20:27:20,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 20:27:20,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 20:27:20,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 20:27:20,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 20:27:20,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 20:27:20,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 20:27:20,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 20:27:20,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 20:27:20,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 20:27:20,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 20:27:20,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 20:27:20,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 20:27:20,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 20:27:20,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 20:27:20,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 20:27:20,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 20:27:20,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 20:27:20,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 20:27:20,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 20:27:20,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 20:27:20,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 20:27:20,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 20:27:20,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 20:27:20,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 20:27:20,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 20:27:20,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 20:27:20,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 20:27:20,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 20:27:20,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 20:27:20,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 20:27:20,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 20:27:20,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 20:27:20,459 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 20:27:20,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 20:27:20,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 20:27:20,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 20:27:20,464 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 20:27:20,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 20:27:20,465 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 20:27:20,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 20:27:20,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 20:27:20,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 20:27:20,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 20:27:20,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 20:27:20,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 20:27:20,468 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 20:27:20,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 20:27:20,468 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 20:27:20,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 20:27:20,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 20:27:20,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 20:27:20,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 20:27:20,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 20:27:20,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 20:27:20,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 20:27:20,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 20:27:20,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 20:27:20,471 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 20:27:20,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 20:27:20,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 20:27:20,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 20:27:20,473 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6222ba410ba52d51e8247f0d292889355c9cbb64 [2020-10-25 20:27:20,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 20:27:20,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 20:27:20,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 20:27:20,987 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 20:27:20,989 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 20:27:20,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label38.c [2020-10-25 20:27:21,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f767cf562/a96ba0eda19242f5af719e807471d27c/FLAGc754bbbfe [2020-10-25 20:27:21,944 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 20:27:21,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label38.c [2020-10-25 20:27:21,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f767cf562/a96ba0eda19242f5af719e807471d27c/FLAGc754bbbfe [2020-10-25 20:27:22,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f767cf562/a96ba0eda19242f5af719e807471d27c [2020-10-25 20:27:22,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 20:27:22,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 20:27:22,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 20:27:22,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 20:27:22,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 20:27:22,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:22,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b544595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22, skipping insertion in model container [2020-10-25 20:27:22,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:22,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 20:27:22,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 20:27:22,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:27:22,760 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 20:27:22,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 20:27:22,934 INFO L208 MainTranslator]: Completed translation [2020-10-25 20:27:22,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22 WrapperNode [2020-10-25 20:27:22,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 20:27:22,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 20:27:22,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 20:27:22,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 20:27:22,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:22,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:23,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 20:27:23,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 20:27:23,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 20:27:23,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 20:27:23,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:23,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:23,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:23,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:23,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:23,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:23,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (1/1) ... [2020-10-25 20:27:23,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 20:27:23,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 20:27:23,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 20:27:23,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 20:27:23,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (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 20:27:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 20:27:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 20:27:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 20:27:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 20:27:24,963 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 20:27:24,964 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-25 20:27:24,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:27:24 BoogieIcfgContainer [2020-10-25 20:27:24,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 20:27:24,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 20:27:24,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 20:27:24,972 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 20:27:24,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 08:27:22" (1/3) ... [2020-10-25 20:27:24,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea51a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:27:24, skipping insertion in model container [2020-10-25 20:27:24,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 08:27:22" (2/3) ... [2020-10-25 20:27:24,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ea51a0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 08:27:24, skipping insertion in model container [2020-10-25 20:27:24,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:27:24" (3/3) ... [2020-10-25 20:27:24,976 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label38.c [2020-10-25 20:27:24,990 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 20:27:24,996 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 20:27:25,012 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 20:27:25,049 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 20:27:25,049 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 20:27:25,049 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 20:27:25,049 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 20:27:25,049 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 20:27:25,049 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 20:27:25,050 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 20:27:25,050 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 20:27:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-25 20:27:25,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 20:27:25,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:25,080 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] [2020-10-25 20:27:25,080 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:25,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:25,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2020-10-25 20:27:25,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:25,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317006762] [2020-10-25 20:27:25,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:25,366 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 20:27:25,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317006762] [2020-10-25 20:27:25,368 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:25,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:27:25,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133206158] [2020-10-25 20:27:25,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:25,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:25,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:25,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:25,394 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-10-25 20:27:26,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:26,818 INFO L93 Difference]: Finished difference Result 553 states and 967 transitions. [2020-10-25 20:27:26,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:26,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-10-25 20:27:26,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:26,834 INFO L225 Difference]: With dead ends: 553 [2020-10-25 20:27:26,834 INFO L226 Difference]: Without dead ends: 282 [2020-10-25 20:27:26,848 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 20:27:26,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-10-25 20:27:26,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-10-25 20:27:26,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-10-25 20:27:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2020-10-25 20:27:26,939 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 32 [2020-10-25 20:27:26,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:26,939 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2020-10-25 20:27:26,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2020-10-25 20:27:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-25 20:27:26,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:26,944 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:27:26,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 20:27:26,944 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:26,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:26,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1473341090, now seen corresponding path program 1 times [2020-10-25 20:27:26,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:26,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870458106] [2020-10-25 20:27:26,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:27,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870458106] [2020-10-25 20:27:27,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:27,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:27:27,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359342868] [2020-10-25 20:27:27,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:27,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:27,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:27,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:27,156 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand 3 states. [2020-10-25 20:27:28,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:28,078 INFO L93 Difference]: Finished difference Result 701 states and 967 transitions. [2020-10-25 20:27:28,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:28,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-10-25 20:27:28,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:28,088 INFO L225 Difference]: With dead ends: 701 [2020-10-25 20:27:28,088 INFO L226 Difference]: Without dead ends: 421 [2020-10-25 20:27:28,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:28,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-10-25 20:27:28,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-10-25 20:27:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-25 20:27:28,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 526 transitions. [2020-10-25 20:27:28,114 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 526 transitions. Word has length 98 [2020-10-25 20:27:28,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:28,115 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 526 transitions. [2020-10-25 20:27:28,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:28,115 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 526 transitions. [2020-10-25 20:27:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-25 20:27:28,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:28,120 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:27:28,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 20:27:28,120 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:28,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:28,121 INFO L82 PathProgramCache]: Analyzing trace with hash -334326093, now seen corresponding path program 1 times [2020-10-25 20:27:28,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:28,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006609164] [2020-10-25 20:27:28,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:28,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006609164] [2020-10-25 20:27:28,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:28,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:27:28,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989703184] [2020-10-25 20:27:28,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:28,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:28,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:28,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:28,388 INFO L87 Difference]: Start difference. First operand 421 states and 526 transitions. Second operand 3 states. [2020-10-25 20:27:29,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:29,227 INFO L93 Difference]: Finished difference Result 979 states and 1209 transitions. [2020-10-25 20:27:29,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:29,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-10-25 20:27:29,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:29,233 INFO L225 Difference]: With dead ends: 979 [2020-10-25 20:27:29,234 INFO L226 Difference]: Without dead ends: 560 [2020-10-25 20:27:29,235 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 20:27:29,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-25 20:27:29,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-10-25 20:27:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-25 20:27:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 675 transitions. [2020-10-25 20:27:29,266 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 675 transitions. Word has length 105 [2020-10-25 20:27:29,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:29,267 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 675 transitions. [2020-10-25 20:27:29,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 675 transitions. [2020-10-25 20:27:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-25 20:27:29,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:29,271 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:27:29,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 20:27:29,272 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:29,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:29,273 INFO L82 PathProgramCache]: Analyzing trace with hash 910629102, now seen corresponding path program 1 times [2020-10-25 20:27:29,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:29,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802588493] [2020-10-25 20:27:29,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:29,381 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:29,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802588493] [2020-10-25 20:27:29,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:29,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:27:29,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321279108] [2020-10-25 20:27:29,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:29,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:29,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:29,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:29,385 INFO L87 Difference]: Start difference. First operand 560 states and 675 transitions. Second operand 3 states. [2020-10-25 20:27:30,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:30,284 INFO L93 Difference]: Finished difference Result 1118 states and 1414 transitions. [2020-10-25 20:27:30,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:30,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-10-25 20:27:30,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:30,296 INFO L225 Difference]: With dead ends: 1118 [2020-10-25 20:27:30,296 INFO L226 Difference]: Without dead ends: 699 [2020-10-25 20:27:30,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:30,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-10-25 20:27:30,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-10-25 20:27:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-10-25 20:27:30,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 849 transitions. [2020-10-25 20:27:30,319 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 849 transitions. Word has length 107 [2020-10-25 20:27:30,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:30,320 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 849 transitions. [2020-10-25 20:27:30,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:30,320 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 849 transitions. [2020-10-25 20:27:30,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-25 20:27:30,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:30,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:27:30,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 20:27:30,325 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:30,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:30,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1699642054, now seen corresponding path program 1 times [2020-10-25 20:27:30,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:30,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829173304] [2020-10-25 20:27:30,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:30,470 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:30,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829173304] [2020-10-25 20:27:30,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:30,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 20:27:30,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672694793] [2020-10-25 20:27:30,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:30,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:30,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:30,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:30,473 INFO L87 Difference]: Start difference. First operand 699 states and 849 transitions. Second operand 3 states. [2020-10-25 20:27:31,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:31,266 INFO L93 Difference]: Finished difference Result 1535 states and 1880 transitions. [2020-10-25 20:27:31,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:31,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-10-25 20:27:31,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:31,278 INFO L225 Difference]: With dead ends: 1535 [2020-10-25 20:27:31,279 INFO L226 Difference]: Without dead ends: 977 [2020-10-25 20:27:31,280 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 20:27:31,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-25 20:27:31,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-10-25 20:27:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-10-25 20:27:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1122 transitions. [2020-10-25 20:27:31,304 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1122 transitions. Word has length 123 [2020-10-25 20:27:31,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:31,305 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1122 transitions. [2020-10-25 20:27:31,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:31,305 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1122 transitions. [2020-10-25 20:27:31,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-25 20:27:31,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:31,309 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 20:27:31,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 20:27:31,310 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:31,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:31,311 INFO L82 PathProgramCache]: Analyzing trace with hash 884283863, now seen corresponding path program 1 times [2020-10-25 20:27:31,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:31,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844196954] [2020-10-25 20:27:31,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:31,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844196954] [2020-10-25 20:27:31,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:31,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-25 20:27:31,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765874350] [2020-10-25 20:27:31,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 20:27:31,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:31,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 20:27:31,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:27:31,878 INFO L87 Difference]: Start difference. First operand 977 states and 1122 transitions. Second operand 7 states. [2020-10-25 20:27:32,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:32,643 INFO L93 Difference]: Finished difference Result 1868 states and 2153 transitions. [2020-10-25 20:27:32,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 20:27:32,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 180 [2020-10-25 20:27:32,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:32,649 INFO L225 Difference]: With dead ends: 1868 [2020-10-25 20:27:32,649 INFO L226 Difference]: Without dead ends: 977 [2020-10-25 20:27:32,651 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 20:27:32,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-25 20:27:32,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-10-25 20:27:32,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-10-25 20:27:32,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions. [2020-10-25 20:27:32,674 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 180 [2020-10-25 20:27:32,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:32,675 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions. [2020-10-25 20:27:32,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 20:27:32,675 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions. [2020-10-25 20:27:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-10-25 20:27:32,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:32,679 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:27:32,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 20:27:32,679 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:32,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:32,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1362907023, now seen corresponding path program 1 times [2020-10-25 20:27:32,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:32,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818085567] [2020-10-25 20:27:32,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-25 20:27:32,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818085567] [2020-10-25 20:27:32,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:32,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:27:32,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761705292] [2020-10-25 20:27:32,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:32,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:32,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:32,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:32,858 INFO L87 Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand 3 states. [2020-10-25 20:27:33,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:33,639 INFO L93 Difference]: Finished difference Result 1952 states and 2280 transitions. [2020-10-25 20:27:33,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:33,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2020-10-25 20:27:33,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:33,647 INFO L225 Difference]: With dead ends: 1952 [2020-10-25 20:27:33,647 INFO L226 Difference]: Without dead ends: 1116 [2020-10-25 20:27:33,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:33,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-10-25 20:27:33,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-10-25 20:27:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-25 20:27:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1272 transitions. [2020-10-25 20:27:33,677 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1272 transitions. Word has length 216 [2020-10-25 20:27:33,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:33,678 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1272 transitions. [2020-10-25 20:27:33,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1272 transitions. [2020-10-25 20:27:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-25 20:27:33,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:33,683 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:27:33,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 20:27:33,683 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:33,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:33,684 INFO L82 PathProgramCache]: Analyzing trace with hash -808735208, now seen corresponding path program 1 times [2020-10-25 20:27:33,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:33,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641906048] [2020-10-25 20:27:33,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-25 20:27:34,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641906048] [2020-10-25 20:27:34,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235266347] [2020-10-25 20:27:34,066 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 20:27:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:34,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:27:34,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:27:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-10-25 20:27:34,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:27:34,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-10-25 20:27:34,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826536394] [2020-10-25 20:27:34,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:34,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:34,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:34,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-25 20:27:34,465 INFO L87 Difference]: Start difference. First operand 1116 states and 1272 transitions. Second operand 3 states. [2020-10-25 20:27:35,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:35,345 INFO L93 Difference]: Finished difference Result 1813 states and 2067 transitions. [2020-10-25 20:27:35,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:35,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 226 [2020-10-25 20:27:35,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:35,355 INFO L225 Difference]: With dead ends: 1813 [2020-10-25 20:27:35,356 INFO L226 Difference]: Without dead ends: 1811 [2020-10-25 20:27:35,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 225 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 20:27:35,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2020-10-25 20:27:35,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255. [2020-10-25 20:27:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-25 20:27:35,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-10-25 20:27:35,399 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 226 [2020-10-25 20:27:35,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:35,399 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-10-25 20:27:35,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-10-25 20:27:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-10-25 20:27:35,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:35,406 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:27:35,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-10-25 20:27:35,621 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:35,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:35,622 INFO L82 PathProgramCache]: Analyzing trace with hash -114571311, now seen corresponding path program 1 times [2020-10-25 20:27:35,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:35,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784429687] [2020-10-25 20:27:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:35,990 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 21 proven. 38 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-25 20:27:35,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784429687] [2020-10-25 20:27:35,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147948217] [2020-10-25 20:27:35,991 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 20:27:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:36,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:27:36,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:27:36,266 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-10-25 20:27:36,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:27:36,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-10-25 20:27:36,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048280874] [2020-10-25 20:27:36,269 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:36,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:36,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:36,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:27:36,271 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-10-25 20:27:37,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:37,066 INFO L93 Difference]: Finished difference Result 1952 states and 2255 transitions. [2020-10-25 20:27:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:37,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2020-10-25 20:27:37,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:37,076 INFO L225 Difference]: With dead ends: 1952 [2020-10-25 20:27:37,076 INFO L226 Difference]: Without dead ends: 1950 [2020-10-25 20:27:37,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-25 20:27:37,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-10-25 20:27:37,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1255. [2020-10-25 20:27:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-10-25 20:27:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions. [2020-10-25 20:27:37,117 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 280 [2020-10-25 20:27:37,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:37,118 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions. [2020-10-25 20:27:37,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:37,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions. [2020-10-25 20:27:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-10-25 20:27:37,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:37,126 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:27:37,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:27:37,340 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:37,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:37,342 INFO L82 PathProgramCache]: Analyzing trace with hash 2042951730, now seen corresponding path program 1 times [2020-10-25 20:27:37,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:37,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505264650] [2020-10-25 20:27:37,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:38,019 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 289 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 20:27:38,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505264650] [2020-10-25 20:27:38,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535399769] [2020-10-25 20:27:38,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 20:27:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:38,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-25 20:27:38,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 20:27:38,331 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-25 20:27:38,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-25 20:27:38,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-10-25 20:27:38,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757383027] [2020-10-25 20:27:38,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:38,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:38,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:38,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:27:38,333 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand 3 states. [2020-10-25 20:27:39,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:39,148 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions. [2020-10-25 20:27:39,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:39,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-10-25 20:27:39,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:39,162 INFO L225 Difference]: With dead ends: 3203 [2020-10-25 20:27:39,163 INFO L226 Difference]: Without dead ends: 2089 [2020-10-25 20:27:39,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-25 20:27:39,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-10-25 20:27:39,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-10-25 20:27:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-10-25 20:27:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions. [2020-10-25 20:27:39,238 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 332 [2020-10-25 20:27:39,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:39,239 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions. [2020-10-25 20:27:39,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions. [2020-10-25 20:27:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-10-25 20:27:39,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 20:27:39,250 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-25 20:27:39,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-25 20:27:39,465 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 20:27:39,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 20:27:39,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1037700048, now seen corresponding path program 1 times [2020-10-25 20:27:39,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 20:27:39,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830263267] [2020-10-25 20:27:39,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 20:27:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 20:27:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2020-10-25 20:27:39,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830263267] [2020-10-25 20:27:39,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 20:27:39,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 20:27:39,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109503882] [2020-10-25 20:27:39,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 20:27:39,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 20:27:39,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 20:27:39,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:39,719 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand 3 states. [2020-10-25 20:27:40,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 20:27:40,485 INFO L93 Difference]: Finished difference Result 4313 states and 4894 transitions. [2020-10-25 20:27:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 20:27:40,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2020-10-25 20:27:40,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 20:27:40,486 INFO L225 Difference]: With dead ends: 4313 [2020-10-25 20:27:40,486 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 20:27:40,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 20:27:40,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 20:27:40,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 20:27:40,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 20:27:40,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 20:27:40,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 345 [2020-10-25 20:27:40,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 20:27:40,493 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 20:27:40,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 20:27:40,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 20:27:40,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 20:27:40,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 20:27:40,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 20:27:40,726 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-10-25 20:27:40,862 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-10-25 20:27:40,866 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-25 20:27:40,866 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-25 20:27:40,866 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-25 20:27:40,867 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-25 20:27:40,867 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-25 20:27:40,867 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-25 20:27:40,867 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-25 20:27:40,867 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-25 20:27:40,867 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-25 20:27:40,868 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-25 20:27:40,868 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-25 20:27:40,868 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-25 20:27:40,868 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-10-25 20:27:40,868 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-25 20:27:40,868 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,868 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,868 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,868 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,868 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-25 20:27:40,869 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-25 20:27:40,871 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-25 20:27:40,871 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,871 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,871 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,871 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,872 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,872 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-25 20:27:40,872 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-25 20:27:40,872 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-25 20:27:40,872 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-25 20:27:40,872 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-25 20:27:40,873 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-25 20:27:40,873 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-25 20:27:40,873 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-25 20:27:40,873 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-25 20:27:40,873 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-25 20:27:40,873 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-25 20:27:40,874 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-25 20:27:40,874 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-25 20:27:40,874 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-25 20:27:40,874 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,874 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,874 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,875 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,875 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,875 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-25 20:27:40,875 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-25 20:27:40,875 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-25 20:27:40,875 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-25 20:27:40,875 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-25 20:27:40,876 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-25 20:27:40,876 INFO L270 CegarLoopResult]: At program point L575(lines 22 576) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-10-25 20:27:40,876 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-25 20:27:40,877 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-25 20:27:40,877 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-25 20:27:40,877 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-25 20:27:40,877 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,877 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,877 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,877 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,878 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,878 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-25 20:27:40,878 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-25 20:27:40,878 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-25 20:27:40,878 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-25 20:27:40,878 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-25 20:27:40,879 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-25 20:27:40,879 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-25 20:27:40,879 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-25 20:27:40,879 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-25 20:27:40,879 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-25 20:27:40,879 INFO L277 CegarLoopResult]: At program point L578(lines 578 594) the Hoare annotation is: true [2020-10-25 20:27:40,880 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-25 20:27:40,880 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-25 20:27:40,880 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-25 20:27:40,880 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,880 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,880 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,880 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,881 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,881 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-25 20:27:40,881 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-25 20:27:40,881 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-25 20:27:40,881 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-25 20:27:40,881 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-25 20:27:40,882 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-25 20:27:40,882 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-25 20:27:40,882 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-25 20:27:40,882 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 20:27:40,882 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-25 20:27:40,882 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,882 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,883 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,883 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,883 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,883 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-25 20:27:40,883 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-25 20:27:40,883 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-25 20:27:40,884 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-25 20:27:40,884 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-25 20:27:40,884 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-25 20:27:40,884 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-25 20:27:40,884 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-25 20:27:40,884 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-25 20:27:40,884 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-25 20:27:40,885 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-25 20:27:40,885 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-25 20:27:40,885 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 (= ~a10~0 2) .cse1 .cse2) (and (= ~a10~0 3) .cse0 .cse1 .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2))) [2020-10-25 20:27:40,885 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-25 20:27:40,885 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,886 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,886 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,886 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,886 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-25 20:27:40,886 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,887 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,887 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-25 20:27:40,887 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-25 20:27:40,887 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-25 20:27:40,887 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-25 20:27:40,887 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-25 20:27:40,888 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-25 20:27:40,888 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-25 20:27:40,888 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-25 20:27:40,888 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-25 20:27:40,888 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-25 20:27:40,888 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-25 20:27:40,888 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 20:27:40,889 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-25 20:27:40,889 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-25 20:27:40,889 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,889 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,889 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,890 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,890 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,890 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,890 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-25 20:27:40,890 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-25 20:27:40,890 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-25 20:27:40,890 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-25 20:27:40,891 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-25 20:27:40,891 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-25 20:27:40,891 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-25 20:27:40,891 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-25 20:27:40,891 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-25 20:27:40,892 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-25 20:27:40,892 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-25 20:27:40,892 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-25 20:27:40,892 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 20:27:40,892 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-25 20:27:40,892 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-25 20:27:40,892 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-25 20:27:40,893 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,893 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,893 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,893 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,893 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,894 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,894 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-25 20:27:40,894 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-25 20:27:40,894 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-25 20:27:40,894 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-25 20:27:40,894 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-25 20:27:40,895 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-25 20:27:40,895 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-25 20:27:40,895 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-25 20:27:40,895 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-25 20:27:40,895 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-25 20:27:40,896 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-25 20:27:40,896 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-25 20:27:40,896 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-25 20:27:40,896 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,896 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,896 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,897 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,897 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,897 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 20:27:40,897 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,897 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-25 20:27:40,898 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-25 20:27:40,898 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-25 20:27:40,898 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-25 20:27:40,898 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-25 20:27:40,898 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-25 20:27:40,899 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-25 20:27:40,899 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-25 20:27:40,899 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-25 20:27:40,899 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-25 20:27:40,899 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-25 20:27:40,899 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-25 20:27:40,900 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-25 20:27:40,900 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,900 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,900 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,900 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,900 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,901 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-25 20:27:40,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 08:27:40 BoogieIcfgContainer [2020-10-25 20:27:40,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 20:27:40,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 20:27:40,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 20:27:40,926 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 20:27:40,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 08:27:24" (3/4) ... [2020-10-25 20:27:40,931 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 20:27:40,954 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 20:27:40,955 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-25 20:27:40,957 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:27:40,958 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 20:27:41,162 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 20:27:41,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 20:27:41,164 INFO L168 Benchmark]: Toolchain (without parser) took 19008.62 ms. Allocated memory was 48.2 MB in the beginning and 318.8 MB in the end (delta: 270.5 MB). Free memory was 23.3 MB in the beginning and 121.0 MB in the end (delta: -97.7 MB). Peak memory consumption was 175.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:41,164 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 39.8 MB. Free memory was 23.2 MB in the beginning and 23.2 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 20:27:41,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.47 ms. Allocated memory is still 48.2 MB. Free memory was 22.7 MB in the beginning and 19.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:41,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.71 ms. Allocated memory is still 48.2 MB. Free memory was 19.8 MB in the beginning and 23.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:41,166 INFO L168 Benchmark]: Boogie Preprocessor took 93.70 ms. Allocated memory is still 48.2 MB. Free memory was 23.8 MB in the beginning and 18.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:41,167 INFO L168 Benchmark]: RCFGBuilder took 1807.50 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 18.5 MB in the beginning and 26.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:41,167 INFO L168 Benchmark]: TraceAbstraction took 15956.72 ms. Allocated memory was 71.3 MB in the beginning and 318.8 MB in the end (delta: 247.5 MB). Free memory was 26.4 MB in the beginning and 135.6 MB in the end (delta: -109.2 MB). Peak memory consumption was 139.3 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:41,168 INFO L168 Benchmark]: Witness Printer took 236.92 ms. Allocated memory is still 318.8 MB. Free memory was 135.6 MB in the beginning and 121.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-10-25 20:27:41,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 39.8 MB. Free memory was 23.2 MB in the beginning and 23.2 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 774.47 ms. Allocated memory is still 48.2 MB. Free memory was 22.7 MB in the beginning and 19.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 124.71 ms. Allocated memory is still 48.2 MB. Free memory was 19.8 MB in the beginning and 23.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.70 ms. Allocated memory is still 48.2 MB. Free memory was 23.8 MB in the beginning and 18.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1807.50 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 18.5 MB in the beginning and 26.7 MB in the end (delta: -8.3 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15956.72 ms. Allocated memory was 71.3 MB in the beginning and 318.8 MB in the end (delta: 247.5 MB). Free memory was 26.4 MB in the beginning and 135.6 MB in the end (delta: -109.2 MB). Peak memory consumption was 139.3 MB. Max. memory is 16.1 GB. * Witness Printer took 236.92 ms. Allocated memory is still 318.8 MB. Free memory was 135.6 MB in the beginning and 121.0 MB in the end (delta: 14.7 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 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a12 == 0) && a19 <= 6)) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1264 SDtfs, 1207 SDslu, 53 SDs, 0 SdLazy, 4096 SolverSat, 637 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=10, 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, 11 MinimizatonAttempts, 1251 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 141 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1334 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 184 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2882 NumberOfCodeBlocks, 2882 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2868 ConstructedInterpolants, 0 QuantifiedInterpolants, 2763929 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1219 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 1893/2026 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...