./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c -s /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer --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 4a525aa37d40889eb24e6cfe05fc1bbc60528354 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:01:19,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:01:19,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:01:19,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:01:19,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:01:19,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:01:19,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:01:19,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:01:19,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:01:19,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:01:19,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:01:19,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:01:19,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:01:19,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:01:19,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:01:19,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:01:19,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:01:19,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:01:19,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:01:19,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:01:19,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:01:19,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:01:19,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:01:19,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:01:19,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:01:19,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:01:19,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:01:19,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:01:19,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:01:19,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:01:19,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:01:19,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:01:19,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:01:19,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:01:19,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:01:19,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:01:19,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:01:19,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:01:19,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:01:19,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:01:19,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:01:19,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:01:19,367 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:01:19,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:01:19,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:01:19,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:01:19,369 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:01:19,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:01:19,370 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:01:19,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:01:19,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:01:19,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:01:19,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:01:19,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:01:19,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:01:19,372 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:01:19,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:01:19,373 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:01:19,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:01:19,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:01:19,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:01:19,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:01:19,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:01:19,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:01:19,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:01:19,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:01:19,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:01:19,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:01:19,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:01:19,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:01:19,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:01:19,376 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:/tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a525aa37d40889eb24e6cfe05fc1bbc60528354 [2020-11-28 03:01:19,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:01:19,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:01:19,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:01:19,719 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:01:19,720 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:01:19,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2020-11-28 03:01:19,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/data/5a931f54c/fba39b2d6dcb4478bd73ce6672d2be59/FLAGdd1d690d8 [2020-11-28 03:01:20,416 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:01:20,416 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2020-11-28 03:01:20,430 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/data/5a931f54c/fba39b2d6dcb4478bd73ce6672d2be59/FLAGdd1d690d8 [2020-11-28 03:01:20,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/data/5a931f54c/fba39b2d6dcb4478bd73ce6672d2be59 [2020-11-28 03:01:20,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:01:20,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:01:20,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:20,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:01:20,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:01:20,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:20" (1/1) ... [2020-11-28 03:01:20,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700477d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:20, skipping insertion in model container [2020-11-28 03:01:20,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:20" (1/1) ... [2020-11-28 03:01:20,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:01:20,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:01:21,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:21,230 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:01:21,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:01:21,362 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:01:21,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21 WrapperNode [2020-11-28 03:01:21,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:01:21,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:21,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:01:21,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:01:21,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (1/1) ... [2020-11-28 03:01:21,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (1/1) ... [2020-11-28 03:01:21,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:01:21,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:01:21,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:01:21,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:01:21,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (1/1) ... [2020-11-28 03:01:21,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (1/1) ... [2020-11-28 03:01:21,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (1/1) ... [2020-11-28 03:01:21,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (1/1) ... [2020-11-28 03:01:21,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (1/1) ... [2020-11-28 03:01:21,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (1/1) ... [2020-11-28 03:01:21,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (1/1) ... [2020-11-28 03:01:21,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:01:21,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:01:21,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:01:21,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:01:21,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/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 [2020-11-28 03:01:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:01:21,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:01:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:01:21,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:01:23,305 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:01:23,305 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:01:23,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:23 BoogieIcfgContainer [2020-11-28 03:01:23,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:01:23,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:01:23,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:01:23,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:01:23,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:01:20" (1/3) ... [2020-11-28 03:01:23,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f01b748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:23, skipping insertion in model container [2020-11-28 03:01:23,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:21" (2/3) ... [2020-11-28 03:01:23,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f01b748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:01:23, skipping insertion in model container [2020-11-28 03:01:23,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:23" (3/3) ... [2020-11-28 03:01:23,317 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label30.c [2020-11-28 03:01:23,332 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:01:23,337 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:01:23,350 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:01:23,392 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:01:23,392 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:01:23,392 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:01:23,392 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:01:23,393 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:01:23,393 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:01:23,393 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:01:23,393 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:01:23,412 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 03:01:23,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-28 03:01:23,424 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:23,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:23,428 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:23,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:23,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1318724346, now seen corresponding path program 1 times [2020-11-28 03:01:23,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:23,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029588764] [2020-11-28 03:01:23,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:24,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029588764] [2020-11-28 03:01:24,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:24,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:24,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378903871] [2020-11-28 03:01:24,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:01:24,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:24,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:01:24,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:01:24,284 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2020-11-28 03:01:25,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:25,855 INFO L93 Difference]: Finished difference Result 663 states and 1179 transitions. [2020-11-28 03:01:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:01:25,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-11-28 03:01:25,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:25,872 INFO L225 Difference]: With dead ends: 663 [2020-11-28 03:01:25,872 INFO L226 Difference]: Without dead ends: 397 [2020-11-28 03:01:25,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:25,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-11-28 03:01:25,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-11-28 03:01:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-11-28 03:01:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2020-11-28 03:01:25,943 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 125 [2020-11-28 03:01:25,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:25,944 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2020-11-28 03:01:25,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:01:25,944 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2020-11-28 03:01:25,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-28 03:01:25,948 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:25,949 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:25,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:01:25,949 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:25,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:25,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1914452975, now seen corresponding path program 1 times [2020-11-28 03:01:25,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:25,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827017380] [2020-11-28 03:01:25,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:26,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:26,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827017380] [2020-11-28 03:01:26,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:26,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:26,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677683371] [2020-11-28 03:01:26,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:01:26,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:26,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:01:26,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:01:26,309 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand 4 states. [2020-11-28 03:01:27,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:27,315 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2020-11-28 03:01:27,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:01:27,316 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2020-11-28 03:01:27,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:27,320 INFO L225 Difference]: With dead ends: 887 [2020-11-28 03:01:27,320 INFO L226 Difference]: Without dead ends: 528 [2020-11-28 03:01:27,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:01:27,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-28 03:01:27,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2020-11-28 03:01:27,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-11-28 03:01:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2020-11-28 03:01:27,356 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 132 [2020-11-28 03:01:27,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:27,357 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2020-11-28 03:01:27,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:01:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2020-11-28 03:01:27,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-28 03:01:27,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:27,360 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:27,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:01:27,360 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:27,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:27,361 INFO L82 PathProgramCache]: Analyzing trace with hash -713426155, now seen corresponding path program 1 times [2020-11-28 03:01:27,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:27,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938132168] [2020-11-28 03:01:27,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:27,451 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:01:27,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938132168] [2020-11-28 03:01:27,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:27,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:27,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146099751] [2020-11-28 03:01:27,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:01:27,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:27,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:01:27,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:01:27,454 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand 4 states. [2020-11-28 03:01:28,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:28,184 INFO L93 Difference]: Finished difference Result 1054 states and 1283 transitions. [2020-11-28 03:01:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:01:28,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-11-28 03:01:28,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:28,189 INFO L225 Difference]: With dead ends: 1054 [2020-11-28 03:01:28,189 INFO L226 Difference]: Without dead ends: 659 [2020-11-28 03:01:28,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:01:28,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-11-28 03:01:28,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2020-11-28 03:01:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-28 03:01:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 785 transitions. [2020-11-28 03:01:28,220 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 785 transitions. Word has length 140 [2020-11-28 03:01:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:28,221 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 785 transitions. [2020-11-28 03:01:28,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:01:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 785 transitions. [2020-11-28 03:01:28,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-28 03:01:28,223 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:28,224 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:28,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:01:28,224 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:28,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:28,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1993641295, now seen corresponding path program 1 times [2020-11-28 03:01:28,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:28,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353800264] [2020-11-28 03:01:28,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:01:28,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353800264] [2020-11-28 03:01:28,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:01:28,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:01:28,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293873568] [2020-11-28 03:01:28,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:28,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:28,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:28,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:01:28,326 INFO L87 Difference]: Start difference. First operand 659 states and 785 transitions. Second operand 3 states. [2020-11-28 03:01:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:28,924 INFO L93 Difference]: Finished difference Result 1840 states and 2182 transitions. [2020-11-28 03:01:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:28,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-11-28 03:01:28,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:28,932 INFO L225 Difference]: With dead ends: 1840 [2020-11-28 03:01:28,933 INFO L226 Difference]: Without dead ends: 1183 [2020-11-28 03:01:28,934 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 [2020-11-28 03:01:28,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-11-28 03:01:28,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2020-11-28 03:01:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-28 03:01:28,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1261 transitions. [2020-11-28 03:01:28,978 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1261 transitions. Word has length 149 [2020-11-28 03:01:28,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:28,979 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1261 transitions. [2020-11-28 03:01:28,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:28,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1261 transitions. [2020-11-28 03:01:28,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-28 03:01:28,983 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:28,984 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:28,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:01:28,984 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:28,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:28,985 INFO L82 PathProgramCache]: Analyzing trace with hash -2075819678, now seen corresponding path program 1 times [2020-11-28 03:01:28,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:28,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202118985] [2020-11-28 03:01:28,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:01:29,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202118985] [2020-11-28 03:01:29,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096182813] [2020-11-28 03:01:29,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/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 [2020-11-28 03:01:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:29,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:01:29,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:29,564 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-28 03:01:29,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:01:29,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:01:29,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150722646] [2020-11-28 03:01:29,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:29,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:29,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:29,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:29,568 INFO L87 Difference]: Start difference. First operand 1052 states and 1261 transitions. Second operand 3 states. [2020-11-28 03:01:30,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:30,201 INFO L93 Difference]: Finished difference Result 2495 states and 3042 transitions. [2020-11-28 03:01:30,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:30,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-28 03:01:30,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:30,211 INFO L225 Difference]: With dead ends: 2495 [2020-11-28 03:01:30,211 INFO L226 Difference]: Without dead ends: 1445 [2020-11-28 03:01:30,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:30,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-11-28 03:01:30,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1183. [2020-11-28 03:01:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-11-28 03:01:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1416 transitions. [2020-11-28 03:01:30,285 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1416 transitions. Word has length 155 [2020-11-28 03:01:30,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:30,286 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1416 transitions. [2020-11-28 03:01:30,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:30,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1416 transitions. [2020-11-28 03:01:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-11-28 03:01:30,291 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:30,291 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:30,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:01:30,516 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:30,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:30,517 INFO L82 PathProgramCache]: Analyzing trace with hash -216147962, now seen corresponding path program 1 times [2020-11-28 03:01:30,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:30,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001728759] [2020-11-28 03:01:30,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-28 03:01:30,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001728759] [2020-11-28 03:01:30,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698879377] [2020-11-28 03:01:30,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/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 [2020-11-28 03:01:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:30,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:01:30,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-28 03:01:30,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:01:30,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:01:30,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843930241] [2020-11-28 03:01:30,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:30,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:30,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:30,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:30,905 INFO L87 Difference]: Start difference. First operand 1183 states and 1416 transitions. Second operand 3 states. [2020-11-28 03:01:31,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:31,557 INFO L93 Difference]: Finished difference Result 2495 states and 2985 transitions. [2020-11-28 03:01:31,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:31,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-11-28 03:01:31,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:31,566 INFO L225 Difference]: With dead ends: 2495 [2020-11-28 03:01:31,566 INFO L226 Difference]: Without dead ends: 1314 [2020-11-28 03:01:31,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:31,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-28 03:01:31,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052. [2020-11-28 03:01:31,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-28 03:01:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1207 transitions. [2020-11-28 03:01:31,602 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1207 transitions. Word has length 171 [2020-11-28 03:01:31,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:31,608 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1207 transitions. [2020-11-28 03:01:31,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1207 transitions. [2020-11-28 03:01:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-28 03:01:31,613 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:01:31,613 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:01:31,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:01:31,828 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:01:31,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:01:31,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1303725019, now seen corresponding path program 1 times [2020-11-28 03:01:31,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:01:31,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104696437] [2020-11-28 03:01:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:01:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:31,960 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 67 proven. 3 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-11-28 03:01:31,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104696437] [2020-11-28 03:01:31,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032166610] [2020-11-28 03:01:31,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/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 [2020-11-28 03:01:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:01:32,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:01:32,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:01:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-11-28 03:01:32,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:01:32,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:01:32,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19598850] [2020-11-28 03:01:32,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:01:32,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:01:32,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:01:32,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:32,210 INFO L87 Difference]: Start difference. First operand 1052 states and 1207 transitions. Second operand 3 states. [2020-11-28 03:01:32,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:01:32,887 INFO L93 Difference]: Finished difference Result 2886 states and 3305 transitions. [2020-11-28 03:01:32,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:01:32,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-11-28 03:01:32,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:01:32,888 INFO L225 Difference]: With dead ends: 2886 [2020-11-28 03:01:32,889 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:01:32,892 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:01:32,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:01:32,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:01:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:01:32,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:01:32,893 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2020-11-28 03:01:32,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:01:32,893 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:01:32,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:01:32,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:01:32,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:01:33,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:01:33,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:01:33,288 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 03:01:33,288 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 03:01:33,288 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 03:01:33,288 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 03:01:33,288 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 03:01:33,289 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 03:01:33,289 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 03:01:33,289 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 03:01:33,289 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,289 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,289 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,289 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,289 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 03:01:33,289 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,290 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,290 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 03:01:33,290 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 03:01:33,290 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 03:01:33,290 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 03:01:33,290 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 03:01:33,290 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 03:01:33,290 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 03:01:33,291 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 03:01:33,291 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 03:01:33,291 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 03:01:33,291 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 03:01:33,294 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 03:01:33,294 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,294 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,295 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,295 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,295 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,295 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 03:01:33,295 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,295 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 03:01:33,296 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 03:01:33,296 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 03:01:33,296 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 03:01:33,296 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 03:01:33,296 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 03:01:33,296 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 03:01:33,297 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 03:01:33,298 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 03:01:33,298 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 03:01:33,298 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 03:01:33,298 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 03:01:33,298 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 03:01:33,298 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 03:01:33,299 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,300 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,300 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,300 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,300 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,300 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,300 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 03:01:33,301 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 03:01:33,304 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 03:01:33,304 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 03:01:33,304 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 03:01:33,305 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 03:01:33,305 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 03:01:33,305 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 03:01:33,305 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 03:01:33,305 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 03:01:33,305 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:01:33,306 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 03:01:33,306 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 03:01:33,306 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,306 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,306 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,306 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,306 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,307 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,307 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 03:01:33,307 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 03:01:33,307 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 03:01:33,307 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 03:01:33,309 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 03:01:33,309 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 03:01:33,310 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 03:01:33,310 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 03:01:33,310 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 03:01:33,310 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 03:01:33,310 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,310 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,311 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,311 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,311 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,311 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,312 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 03:01:33,312 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 03:01:33,312 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 03:01:33,312 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 03:01:33,312 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 03:01:33,313 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 03:01:33,313 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 03:01:33,313 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 03:01:33,313 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 03:01:33,313 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 03:01:33,313 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 03:01:33,314 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 03:01:33,314 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 03:01:33,314 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 03:01:33,314 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 03:01:33,314 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,314 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,315 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,315 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,315 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,315 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:01:33,315 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 03:01:33,315 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 03:01:33,316 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 03:01:33,316 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 03:01:33,316 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 03:01:33,316 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 03:01:33,316 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 03:01:33,316 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 03:01:33,316 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 03:01:33,317 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1))) (or (and (<= ~a16~0 4) .cse0) (and (not (= ~a7~0 1)) .cse0) (<= ~a17~0 0) (<= ~a21~0 0))) [2020-11-28 03:01:33,317 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,317 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,318 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,318 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,318 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,318 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 03:01:33,318 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 03:01:33,318 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 03:01:33,318 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 03:01:33,319 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 03:01:33,319 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 03:01:33,319 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 03:01:33,319 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 03:01:33,319 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 03:01:33,319 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 03:01:33,320 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 03:01:33,320 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 03:01:33,320 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:01:33,320 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 03:01:33,320 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 03:01:33,320 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,321 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,321 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,321 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,321 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,321 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 03:01:33,321 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 03:01:33,322 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 03:01:33,322 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 03:01:33,322 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 03:01:33,322 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 03:01:33,322 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 03:01:33,322 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 03:01:33,323 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 03:01:33,323 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:01:33,323 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,323 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,323 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,323 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,324 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 03:01:33,324 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,324 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 03:01:33,324 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 03:01:33,324 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 03:01:33,324 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 03:01:33,324 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 03:01:33,329 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 03:01:33,329 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 03:01:33,329 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 03:01:33,329 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 03:01:33,329 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 03:01:33,330 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 03:01:33,330 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 03:01:33,330 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 03:01:33,330 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,330 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1))) (or (and (<= ~a16~0 4) .cse0) (and (not (= ~a7~0 1)) .cse0) (<= ~a17~0 0) (<= ~a21~0 0))) [2020-11-28 03:01:33,331 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,331 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,331 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,331 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,331 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 03:01:33,331 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:01:33,332 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:01:33,332 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 03:01:33,332 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 03:01:33,332 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 03:01:33,332 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 03:01:33,332 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 03:01:33,333 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 03:01:33,333 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 03:01:33,333 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,333 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,333 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,333 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,334 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:01:33,334 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 03:01:33,334 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 03:01:33,334 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 03:01:33,334 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 03:01:33,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:01:33 BoogieIcfgContainer [2020-11-28 03:01:33,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:01:33,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:01:33,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:01:33,362 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:01:33,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:23" (3/4) ... [2020-11-28 03:01:33,366 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:01:33,397 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:01:33,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:01:33,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:01:33,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:01:33,587 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_601bc69c-3e46-426d-9348-5b732d1e97af/bin/uautomizer/witness.graphml [2020-11-28 03:01:33,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:01:33,589 INFO L168 Benchmark]: Toolchain (without parser) took 12897.56 ms. Allocated memory was 123.7 MB in the beginning and 312.5 MB in the end (delta: 188.7 MB). Free memory was 94.3 MB in the beginning and 237.0 MB in the end (delta: -142.7 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:33,590 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:01:33,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.33 ms. Allocated memory is still 123.7 MB. Free memory was 94.0 MB in the beginning and 84.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:33,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.93 ms. Allocated memory is still 123.7 MB. Free memory was 84.6 MB in the beginning and 78.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:33,592 INFO L168 Benchmark]: Boogie Preprocessor took 98.19 ms. Allocated memory is still 123.7 MB. Free memory was 78.9 MB in the beginning and 74.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:33,592 INFO L168 Benchmark]: RCFGBuilder took 1740.85 ms. Allocated memory is still 123.7 MB. Free memory was 74.2 MB in the beginning and 65.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:33,592 INFO L168 Benchmark]: TraceAbstraction took 10052.00 ms. Allocated memory was 123.7 MB in the beginning and 312.5 MB in the end (delta: 188.7 MB). Free memory was 63.9 MB in the beginning and 251.7 MB in the end (delta: -187.7 MB). Peak memory consumption was 914.0 kB. Max. memory is 16.1 GB. [2020-11-28 03:01:33,593 INFO L168 Benchmark]: Witness Printer took 226.35 ms. Allocated memory is still 312.5 MB. Free memory was 251.7 MB in the beginning and 237.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:01:33,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 81.8 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 666.33 ms. Allocated memory is still 123.7 MB. Free memory was 94.0 MB in the beginning and 84.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.93 ms. Allocated memory is still 123.7 MB. Free memory was 84.6 MB in the beginning and 78.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 98.19 ms. Allocated memory is still 123.7 MB. Free memory was 78.9 MB in the beginning and 74.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1740.85 ms. Allocated memory is still 123.7 MB. Free memory was 74.2 MB in the beginning and 65.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10052.00 ms. Allocated memory was 123.7 MB in the beginning and 312.5 MB in the end (delta: 188.7 MB). Free memory was 63.9 MB in the beginning and 251.7 MB in the end (delta: -187.7 MB). Peak memory consumption was 914.0 kB. Max. memory is 16.1 GB. * Witness Printer took 226.35 ms. Allocated memory is still 312.5 MB. Free memory was 251.7 MB in the beginning and 237.0 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: 12]: 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: 40]: Loop Invariant Derived loop invariant: (((a16 <= 4 && a17 == 1) || (!(a7 == 1) && a17 == 1)) || a17 <= 0) || a21 <= 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((a16 <= 4 && a17 == 1) || (!(a7 == 1) && a17 == 1)) || a17 <= 0) || a21 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.7s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 702 SDtfs, 992 SDslu, 56 SDs, 0 SdLazy, 2917 SolverSat, 610 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 530 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1183occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 786 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 36 NumberOfFragments, 45 HoareAnnotationTreeSize, 3 FomulaSimplifications, 790 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 44 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1568 NumberOfCodeBlocks, 1568 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1558 ConstructedInterpolants, 0 QuantifiedInterpolants, 940222 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1122 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 620/629 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...