./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_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/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 [2020-11-29 18:43:26,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:43:26,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:43:26,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:43:26,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:43:26,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:43:26,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:43:26,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:43:26,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:43:26,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:43:26,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:43:26,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:43:26,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:43:26,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:43:26,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:43:26,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:43:26,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:43:26,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:43:26,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:43:26,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:43:26,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:43:26,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:43:26,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:43:26,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:43:26,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:43:26,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:43:26,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:43:26,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:43:26,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:43:26,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:43:26,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:43:26,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:43:26,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:43:26,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:43:26,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:43:26,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:43:26,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:43:26,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:43:26,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:43:26,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:43:26,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:43:26,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:43:26,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:43:26,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:43:26,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:43:26,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:43:26,525 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:43:26,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:43:26,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:43:26,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:43:26,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:43:26,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:43:26,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:43:26,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:43:26,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:43:26,528 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:43:26,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:43:26,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:43:26,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:43:26,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:43:26,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:43:26,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:43:26,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:43:26,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:43:26,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:43:26,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:43:26,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:43:26,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:43:26,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:43:26,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:43:26,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:43:26,533 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_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a525aa37d40889eb24e6cfe05fc1bbc60528354 [2020-11-29 18:43:26,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:43:26,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:43:26,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:43:26,981 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:43:26,982 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:43:26,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2020-11-29 18:43:27,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/data/38c629acb/2d899467a734487a9d5706f088e0fa6f/FLAGf76178855 [2020-11-29 18:43:27,779 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:43:27,780 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/sv-benchmarks/c/eca-rers2012/Problem01_label30.c [2020-11-29 18:43:27,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/data/38c629acb/2d899467a734487a9d5706f088e0fa6f/FLAGf76178855 [2020-11-29 18:43:27,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/data/38c629acb/2d899467a734487a9d5706f088e0fa6f [2020-11-29 18:43:27,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:43:27,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:43:28,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:43:28,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:43:28,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:43:28,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:43:27" (1/1) ... [2020-11-29 18:43:28,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fefae00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28, skipping insertion in model container [2020-11-29 18:43:28,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:43:27" (1/1) ... [2020-11-29 18:43:28,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:43:28,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:43:28,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:43:28,652 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:43:28,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:43:28,905 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:43:28,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28 WrapperNode [2020-11-29 18:43:28,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:43:28,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:43:28,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:43:28,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:43:28,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (1/1) ... [2020-11-29 18:43:28,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (1/1) ... [2020-11-29 18:43:29,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:43:29,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:43:29,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:43:29,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:43:29,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (1/1) ... [2020-11-29 18:43:29,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (1/1) ... [2020-11-29 18:43:29,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (1/1) ... [2020-11-29 18:43:29,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (1/1) ... [2020-11-29 18:43:29,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (1/1) ... [2020-11-29 18:43:29,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (1/1) ... [2020-11-29 18:43:29,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (1/1) ... [2020-11-29 18:43:29,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:43:29,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:43:29,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:43:29,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:43:29,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/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 [2020-11-29 18:43:29,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:43:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:43:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:43:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:43:31,165 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:43:31,166 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:43:31,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:43:31 BoogieIcfgContainer [2020-11-29 18:43:31,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:43:31,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:43:31,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:43:31,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:43:31,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:43:27" (1/3) ... [2020-11-29 18:43:31,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4e13ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:43:31, skipping insertion in model container [2020-11-29 18:43:31,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:43:28" (2/3) ... [2020-11-29 18:43:31,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4e13ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:43:31, skipping insertion in model container [2020-11-29 18:43:31,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:43:31" (3/3) ... [2020-11-29 18:43:31,184 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label30.c [2020-11-29 18:43:31,201 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:43:31,206 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:43:31,221 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:43:31,266 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:43:31,266 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:43:31,267 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:43:31,267 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:43:31,267 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:43:31,267 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:43:31,267 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:43:31,268 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:43:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-29 18:43:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-29 18:43:31,319 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:31,320 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] [2020-11-29 18:43:31,321 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:43:31,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:31,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1318724346, now seen corresponding path program 1 times [2020-11-29 18:43:31,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:31,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628704652] [2020-11-29 18:43:31,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:32,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628704652] [2020-11-29 18:43:32,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:32,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:43:32,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228628158] [2020-11-29 18:43:32,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:43:32,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:32,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:43:32,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:43:32,254 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2020-11-29 18:43:34,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:34,576 INFO L93 Difference]: Finished difference Result 663 states and 1179 transitions. [2020-11-29 18:43:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:43:34,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-11-29 18:43:34,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:34,597 INFO L225 Difference]: With dead ends: 663 [2020-11-29 18:43:34,597 INFO L226 Difference]: Without dead ends: 397 [2020-11-29 18:43:34,602 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 [2020-11-29 18:43:34,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-11-29 18:43:34,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-11-29 18:43:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-11-29 18:43:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2020-11-29 18:43:34,684 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 125 [2020-11-29 18:43:34,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:34,687 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2020-11-29 18:43:34,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:43:34,687 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2020-11-29 18:43:34,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-29 18:43:34,694 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:34,694 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] [2020-11-29 18:43:34,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:43:34,695 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:43:34,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:34,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1914452975, now seen corresponding path program 1 times [2020-11-29 18:43:34,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:34,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279334458] [2020-11-29 18:43:34,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:35,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279334458] [2020-11-29 18:43:35,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:35,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:43:35,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832874612] [2020-11-29 18:43:35,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:43:35,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:35,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:43:35,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:43:35,168 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand 4 states. [2020-11-29 18:43:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:36,289 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2020-11-29 18:43:36,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:43:36,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 132 [2020-11-29 18:43:36,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:36,295 INFO L225 Difference]: With dead ends: 887 [2020-11-29 18:43:36,296 INFO L226 Difference]: Without dead ends: 528 [2020-11-29 18:43:36,301 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 [2020-11-29 18:43:36,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-29 18:43:36,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2020-11-29 18:43:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-11-29 18:43:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2020-11-29 18:43:36,337 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 132 [2020-11-29 18:43:36,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:36,338 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2020-11-29 18:43:36,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:43:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2020-11-29 18:43:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-29 18:43:36,343 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:36,344 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] [2020-11-29 18:43:36,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:43:36,344 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:43:36,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:36,345 INFO L82 PathProgramCache]: Analyzing trace with hash -713426155, now seen corresponding path program 1 times [2020-11-29 18:43:36,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:36,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239141660] [2020-11-29 18:43:36,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:43:36,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239141660] [2020-11-29 18:43:36,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:36,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:43:36,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343720445] [2020-11-29 18:43:36,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:43:36,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:36,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:43:36,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:43:36,469 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand 4 states. [2020-11-29 18:43:37,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:37,473 INFO L93 Difference]: Finished difference Result 1054 states and 1283 transitions. [2020-11-29 18:43:37,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:43:37,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2020-11-29 18:43:37,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:37,478 INFO L225 Difference]: With dead ends: 1054 [2020-11-29 18:43:37,479 INFO L226 Difference]: Without dead ends: 659 [2020-11-29 18:43:37,480 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 [2020-11-29 18:43:37,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-11-29 18:43:37,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2020-11-29 18:43:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-29 18:43:37,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 785 transitions. [2020-11-29 18:43:37,540 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 785 transitions. Word has length 140 [2020-11-29 18:43:37,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:37,541 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 785 transitions. [2020-11-29 18:43:37,541 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:43:37,541 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 785 transitions. [2020-11-29 18:43:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-29 18:43:37,547 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:37,548 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] [2020-11-29 18:43:37,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:43:37,548 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:43:37,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:37,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1993641295, now seen corresponding path program 1 times [2020-11-29 18:43:37,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:37,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566200041] [2020-11-29 18:43:37,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 18:43:37,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566200041] [2020-11-29 18:43:37,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:43:37,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:43:37,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136027482] [2020-11-29 18:43:37,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:43:37,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:37,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:43:37,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:43:37,658 INFO L87 Difference]: Start difference. First operand 659 states and 785 transitions. Second operand 3 states. [2020-11-29 18:43:38,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:38,392 INFO L93 Difference]: Finished difference Result 1840 states and 2182 transitions. [2020-11-29 18:43:38,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:43:38,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-11-29 18:43:38,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:38,401 INFO L225 Difference]: With dead ends: 1840 [2020-11-29 18:43:38,401 INFO L226 Difference]: Without dead ends: 1183 [2020-11-29 18:43:38,403 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 [2020-11-29 18:43:38,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-11-29 18:43:38,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2020-11-29 18:43:38,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-29 18:43:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1261 transitions. [2020-11-29 18:43:38,452 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1261 transitions. Word has length 149 [2020-11-29 18:43:38,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:38,452 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1261 transitions. [2020-11-29 18:43:38,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:43:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1261 transitions. [2020-11-29 18:43:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-29 18:43:38,458 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:38,459 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] [2020-11-29 18:43:38,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 18:43:38,459 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:43:38,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:38,460 INFO L82 PathProgramCache]: Analyzing trace with hash -2075819678, now seen corresponding path program 1 times [2020-11-29 18:43:38,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:38,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709976873] [2020-11-29 18:43:38,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:38,687 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 18:43:38,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709976873] [2020-11-29 18:43:38,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551208286] [2020-11-29 18:43:38,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/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 [2020-11-29 18:43:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:38,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:43:38,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:43:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-29 18:43:39,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:43:39,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 18:43:39,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171935167] [2020-11-29 18:43:39,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:43:39,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:39,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:43:39,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:43:39,212 INFO L87 Difference]: Start difference. First operand 1052 states and 1261 transitions. Second operand 3 states. [2020-11-29 18:43:40,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:40,056 INFO L93 Difference]: Finished difference Result 2495 states and 3042 transitions. [2020-11-29 18:43:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:43:40,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-29 18:43:40,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:40,069 INFO L225 Difference]: With dead ends: 2495 [2020-11-29 18:43:40,069 INFO L226 Difference]: Without dead ends: 1445 [2020-11-29 18:43:40,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:43:40,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-11-29 18:43:40,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1183. [2020-11-29 18:43:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-11-29 18:43:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1416 transitions. [2020-11-29 18:43:40,128 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1416 transitions. Word has length 155 [2020-11-29 18:43:40,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:40,130 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1416 transitions. [2020-11-29 18:43:40,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:43:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1416 transitions. [2020-11-29 18:43:40,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-11-29 18:43:40,136 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:40,136 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] [2020-11-29 18:43:40,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:43:40,342 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:43:40,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:40,342 INFO L82 PathProgramCache]: Analyzing trace with hash -216147962, now seen corresponding path program 1 times [2020-11-29 18:43:40,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:40,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825354981] [2020-11-29 18:43:40,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-29 18:43:40,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825354981] [2020-11-29 18:43:40,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510124821] [2020-11-29 18:43:40,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/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 [2020-11-29 18:43:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:40,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:43:40,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:43:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-29 18:43:40,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:43:40,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 18:43:40,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466977763] [2020-11-29 18:43:40,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:43:40,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:40,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:43:40,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:43:40,803 INFO L87 Difference]: Start difference. First operand 1183 states and 1416 transitions. Second operand 3 states. [2020-11-29 18:43:41,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:41,577 INFO L93 Difference]: Finished difference Result 2495 states and 2985 transitions. [2020-11-29 18:43:41,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:43:41,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-11-29 18:43:41,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:41,587 INFO L225 Difference]: With dead ends: 2495 [2020-11-29 18:43:41,587 INFO L226 Difference]: Without dead ends: 1314 [2020-11-29 18:43:41,590 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 [2020-11-29 18:43:41,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-29 18:43:41,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1052. [2020-11-29 18:43:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-29 18:43:41,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1207 transitions. [2020-11-29 18:43:41,627 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1207 transitions. Word has length 171 [2020-11-29 18:43:41,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:41,636 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1207 transitions. [2020-11-29 18:43:41,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:43:41,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1207 transitions. [2020-11-29 18:43:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-29 18:43:41,641 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:43:41,642 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] [2020-11-29 18:43:41,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:43:41,870 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:43:41,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:43:41,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1303725019, now seen corresponding path program 1 times [2020-11-29 18:43:41,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:43:41,871 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674821913] [2020-11-29 18:43:41,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:43:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 67 proven. 3 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-11-29 18:43:42,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674821913] [2020-11-29 18:43:42,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973102032] [2020-11-29 18:43:42,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/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 [2020-11-29 18:43:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:43:42,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 18:43:42,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:43:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-11-29 18:43:42,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 18:43:42,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 18:43:42,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127374509] [2020-11-29 18:43:42,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:43:42,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:43:42,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:43:42,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:43:42,286 INFO L87 Difference]: Start difference. First operand 1052 states and 1207 transitions. Second operand 3 states. [2020-11-29 18:43:43,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:43:43,105 INFO L93 Difference]: Finished difference Result 2886 states and 3305 transitions. [2020-11-29 18:43:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:43:43,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-11-29 18:43:43,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:43:43,107 INFO L225 Difference]: With dead ends: 2886 [2020-11-29 18:43:43,107 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 18:43:43,110 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 [2020-11-29 18:43:43,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 18:43:43,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 18:43:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 18:43:43,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 18:43:43,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2020-11-29 18:43:43,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:43:43,112 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:43:43,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:43:43,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:43:43,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:43:43,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:43:43,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 18:43:43,512 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-29 18:43:43,513 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-29 18:43:43,513 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-29 18:43:43,513 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-29 18:43:43,513 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-29 18:43:43,513 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-29 18:43:43,513 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-29 18:43:43,513 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-29 18:43:43,513 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,513 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,514 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,514 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,514 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-29 18:43:43,514 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,514 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,514 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-29 18:43:43,514 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-29 18:43:43,514 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-29 18:43:43,514 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-29 18:43:43,514 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-29 18:43:43,515 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-29 18:43:43,515 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-29 18:43:43,515 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-29 18:43:43,515 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-29 18:43:43,515 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-29 18:43:43,515 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-29 18:43:43,515 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-29 18:43:43,515 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,515 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,515 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,516 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,516 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,516 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-29 18:43:43,516 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,516 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-29 18:43:43,516 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-29 18:43:43,516 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-29 18:43:43,516 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-29 18:43:43,516 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-29 18:43:43,516 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-29 18:43:43,517 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-29 18:43:43,517 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-29 18:43:43,517 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-29 18:43:43,517 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-29 18:43:43,517 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-29 18:43:43,517 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-29 18:43:43,517 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-29 18:43:43,517 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-29 18:43:43,517 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,517 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-29 18:43:43,518 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-29 18:43:43,519 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-29 18:43:43,519 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-29 18:43:43,519 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-29 18:43:43,519 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 18:43:43,519 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-29 18:43:43,519 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-29 18:43:43,519 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,519 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,519 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,519 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,520 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,520 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,520 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-29 18:43:43,520 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-29 18:43:43,520 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-29 18:43:43,520 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-29 18:43:43,520 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-29 18:43:43,520 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-29 18:43:43,520 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-29 18:43:43,520 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-29 18:43:43,521 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-29 18:43:43,521 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-29 18:43:43,521 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,521 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,521 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,521 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,521 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,521 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,521 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-29 18:43:43,521 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-29 18:43:43,522 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-29 18:43:43,523 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-29 18:43:43,523 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-29 18:43:43,523 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,523 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,523 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,523 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,523 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,523 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:43:43,523 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-29 18:43:43,523 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-29 18:43:43,524 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-29 18:43:43,524 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-29 18:43:43,524 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-29 18:43:43,524 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-29 18:43:43,524 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-29 18:43:43,524 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-29 18:43:43,524 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-29 18:43:43,524 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))) [2020-11-29 18:43:43,525 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,525 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,525 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,525 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,530 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,531 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-29 18:43:43,531 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-29 18:43:43,531 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-29 18:43:43,531 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-29 18:43:43,532 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-29 18:43:43,532 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-29 18:43:43,532 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-29 18:43:43,532 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-29 18:43:43,532 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-29 18:43:43,533 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-29 18:43:43,533 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-29 18:43:43,533 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-29 18:43:43,533 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:43:43,533 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-29 18:43:43,534 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-29 18:43:43,534 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,534 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,534 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,534 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,535 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,535 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-29 18:43:43,535 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-29 18:43:43,535 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-29 18:43:43,535 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-29 18:43:43,535 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-29 18:43:43,536 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-29 18:43:43,536 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-29 18:43:43,536 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-29 18:43:43,536 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-29 18:43:43,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:43:43,537 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,537 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,538 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,538 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,538 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-29 18:43:43,539 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,539 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-29 18:43:43,539 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-29 18:43:43,539 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-29 18:43:43,539 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-29 18:43:43,540 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-29 18:43:43,540 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-29 18:43:43,540 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-29 18:43:43,540 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-29 18:43:43,541 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-29 18:43:43,541 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-29 18:43:43,542 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-29 18:43:43,542 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-29 18:43:43,542 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-29 18:43:43,542 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,544 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))) [2020-11-29 18:43:43,544 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,545 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,545 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,545 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,545 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-29 18:43:43,545 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:43:43,546 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 18:43:43,546 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-29 18:43:43,550 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-29 18:43:43,550 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-29 18:43:43,550 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-29 18:43:43,550 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-29 18:43:43,550 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-29 18:43:43,551 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-29 18:43:43,551 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,551 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,551 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,551 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,552 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-29 18:43:43,552 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-29 18:43:43,552 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-29 18:43:43,552 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-29 18:43:43,552 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-29 18:43:43,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:43:43 BoogieIcfgContainer [2020-11-29 18:43:43,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:43:43,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:43:43,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:43:43,579 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:43:43,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:43:31" (3/4) ... [2020-11-29 18:43:43,586 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:43:43,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 18:43:43,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:43:43,628 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:43:43,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:43:43,829 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5d3f85cb-b17c-4b89-89fc-b9c8a6a63c13/bin/uautomizer/witness.graphml [2020-11-29 18:43:43,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:43:43,832 INFO L168 Benchmark]: Toolchain (without parser) took 15836.74 ms. Allocated memory was 92.3 MB in the beginning and 218.1 MB in the end (delta: 125.8 MB). Free memory was 57.4 MB in the beginning and 82.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 99.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:43,832 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 71.3 MB. Free memory was 47.1 MB in the beginning and 47.0 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:43:43,833 INFO L168 Benchmark]: CACSL2BoogieTranslator took 902.52 ms. Allocated memory is still 92.3 MB. Free memory was 57.3 MB in the beginning and 52.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:43,833 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.42 ms. Allocated memory is still 92.3 MB. Free memory was 52.8 MB in the beginning and 46.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:43,834 INFO L168 Benchmark]: Boogie Preprocessor took 102.50 ms. Allocated memory is still 92.3 MB. Free memory was 46.9 MB in the beginning and 42.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:43,835 INFO L168 Benchmark]: RCFGBuilder took 2026.99 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 42.8 MB in the beginning and 63.8 MB in the end (delta: -21.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:43,835 INFO L168 Benchmark]: TraceAbstraction took 12403.86 ms. Allocated memory was 111.1 MB in the beginning and 218.1 MB in the end (delta: 107.0 MB). Free memory was 63.2 MB in the beginning and 98.4 MB in the end (delta: -35.2 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:43,836 INFO L168 Benchmark]: Witness Printer took 251.06 ms. Allocated memory is still 218.1 MB. Free memory was 98.4 MB in the beginning and 82.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:43:43,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 71.3 MB. Free memory was 47.1 MB in the beginning and 47.0 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 902.52 ms. Allocated memory is still 92.3 MB. Free memory was 57.3 MB in the beginning and 52.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.42 ms. Allocated memory is still 92.3 MB. Free memory was 52.8 MB in the beginning and 46.9 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.50 ms. Allocated memory is still 92.3 MB. Free memory was 46.9 MB in the beginning and 42.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2026.99 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 42.8 MB in the beginning and 63.8 MB in the end (delta: -21.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12403.86 ms. Allocated memory was 111.1 MB in the beginning and 218.1 MB in the end (delta: 107.0 MB). Free memory was 63.2 MB in the beginning and 98.4 MB in the end (delta: -35.2 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.1 GB. * Witness Printer took 251.06 ms. Allocated memory is still 218.1 MB. Free memory was 98.4 MB in the beginning and 82.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 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: 12.0s, OverallIterations: 7, TraceHistogramMax: 6, AutomataDifference: 7.7s, 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, 5.6s 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, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s 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...