./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label28.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_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label28.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/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 dafba940bcb700dc5bab41ac332b469176c57bc7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:57:08,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:57:08,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:57:08,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:57:08,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:57:08,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:57:08,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:57:08,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:57:08,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:57:08,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:57:08,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:57:08,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:57:08,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:57:08,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:57:08,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:57:08,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:57:08,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:57:08,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:57:08,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:57:08,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:57:08,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:57:08,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:57:08,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:57:08,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:57:08,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:57:08,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:57:08,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:57:08,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:57:08,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:57:08,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:57:08,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:57:08,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:57:08,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:57:08,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:57:08,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:57:08,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:57:08,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:57:08,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:57:08,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:57:08,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:57:08,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:57:08,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:57:08,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:57:08,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:57:08,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:57:08,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:57:08,194 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:57:08,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:57:08,195 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:57:08,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:57:08,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:57:08,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:57:08,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:57:08,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:57:08,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:57:08,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:57:08,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:57:08,198 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:57:08,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:57:08,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:57:08,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:57:08,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:57:08,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:57:08,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:57:08,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:57:08,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:57:08,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:57:08,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:57:08,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:57:08,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:57:08,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:57:08,207 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_e814f4ef-a144-433c-aec5-8b6cf176a6d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dafba940bcb700dc5bab41ac332b469176c57bc7 [2020-11-28 02:57:08,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:57:08,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:57:08,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:57:08,557 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:57:08,558 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:57:08,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label28.c [2020-11-28 02:57:08,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/data/81fac8216/8e018063f348483b83e2422d4abad85d/FLAG6ca95d450 [2020-11-28 02:57:09,309 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:57:09,310 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/sv-benchmarks/c/eca-rers2012/Problem01_label28.c [2020-11-28 02:57:09,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/data/81fac8216/8e018063f348483b83e2422d4abad85d/FLAG6ca95d450 [2020-11-28 02:57:09,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/data/81fac8216/8e018063f348483b83e2422d4abad85d [2020-11-28 02:57:09,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:57:09,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:57:09,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:09,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:57:09,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:57:09,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:09" (1/1) ... [2020-11-28 02:57:09,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328fcb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:09, skipping insertion in model container [2020-11-28 02:57:09,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:09" (1/1) ... [2020-11-28 02:57:09,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:57:09,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:57:10,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:10,124 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:57:10,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:10,367 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:57:10,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10 WrapperNode [2020-11-28 02:57:10,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:10,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:10,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:57:10,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:57:10,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (1/1) ... [2020-11-28 02:57:10,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (1/1) ... [2020-11-28 02:57:10,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:10,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:57:10,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:57:10,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:57:10,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (1/1) ... [2020-11-28 02:57:10,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (1/1) ... [2020-11-28 02:57:10,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (1/1) ... [2020-11-28 02:57:10,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (1/1) ... [2020-11-28 02:57:10,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (1/1) ... [2020-11-28 02:57:10,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (1/1) ... [2020-11-28 02:57:10,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (1/1) ... [2020-11-28 02:57:10,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:57:10,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:57:10,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:57:10,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:57:10,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:57:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:57:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:57:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:57:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:57:12,354 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:57:12,355 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:57:12,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:12 BoogieIcfgContainer [2020-11-28 02:57:12,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:57:12,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:57:12,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:57:12,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:57:12,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:09" (1/3) ... [2020-11-28 02:57:12,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64946eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:12, skipping insertion in model container [2020-11-28 02:57:12,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:10" (2/3) ... [2020-11-28 02:57:12,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64946eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:12, skipping insertion in model container [2020-11-28 02:57:12,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:12" (3/3) ... [2020-11-28 02:57:12,371 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label28.c [2020-11-28 02:57:12,384 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:57:12,390 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:57:12,404 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:57:12,458 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:57:12,458 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:57:12,458 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:57:12,459 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:57:12,459 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:57:12,459 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:57:12,459 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:57:12,459 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:57:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 02:57:12,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-28 02:57:12,504 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:12,505 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] [2020-11-28 02:57:12,505 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:12,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:12,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1601987962, now seen corresponding path program 1 times [2020-11-28 02:57:12,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:12,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126648658] [2020-11-28 02:57:12,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:13,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:13,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126648658] [2020-11-28 02:57:13,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:13,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:13,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922457853] [2020-11-28 02:57:13,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:13,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:13,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:13,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:13,147 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-28 02:57:14,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:14,259 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-28 02:57:14,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:14,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-11-28 02:57:14,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:14,277 INFO L225 Difference]: With dead ends: 529 [2020-11-28 02:57:14,277 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 02:57:14,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:14,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 02:57:14,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 02:57:14,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 02:57:14,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-11-28 02:57:14,345 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 93 [2020-11-28 02:57:14,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:14,347 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-11-28 02:57:14,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:14,347 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-11-28 02:57:14,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-28 02:57:14,352 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:14,352 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 02:57:14,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:57:14,353 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:14,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:14,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1139923564, now seen corresponding path program 1 times [2020-11-28 02:57:14,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:14,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928095799] [2020-11-28 02:57:14,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:14,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:14,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928095799] [2020-11-28 02:57:14,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:14,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:14,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21000949] [2020-11-28 02:57:14,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:14,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:14,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:14,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:14,492 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-11-28 02:57:15,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:15,262 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-11-28 02:57:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:15,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-28 02:57:15,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:15,271 INFO L225 Difference]: With dead ends: 792 [2020-11-28 02:57:15,271 INFO L226 Difference]: Without dead ends: 528 [2020-11-28 02:57:15,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:15,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-28 02:57:15,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-11-28 02:57:15,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-28 02:57:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 721 transitions. [2020-11-28 02:57:15,347 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 721 transitions. Word has length 98 [2020-11-28 02:57:15,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:15,348 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 721 transitions. [2020-11-28 02:57:15,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:15,348 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 721 transitions. [2020-11-28 02:57:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-11-28 02:57:15,352 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:15,353 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 02:57:15,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:57:15,353 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:15,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:15,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1602589514, now seen corresponding path program 1 times [2020-11-28 02:57:15,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:15,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505232527] [2020-11-28 02:57:15,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:15,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505232527] [2020-11-28 02:57:15,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:15,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:15,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330703456] [2020-11-28 02:57:15,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:15,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:15,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:15,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:15,478 INFO L87 Difference]: Start difference. First operand 528 states and 721 transitions. Second operand 3 states. [2020-11-28 02:57:16,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:16,154 INFO L93 Difference]: Finished difference Result 1447 states and 1960 transitions. [2020-11-28 02:57:16,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:16,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-11-28 02:57:16,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:16,161 INFO L225 Difference]: With dead ends: 1447 [2020-11-28 02:57:16,161 INFO L226 Difference]: Without dead ends: 921 [2020-11-28 02:57:16,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:16,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2020-11-28 02:57:16,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2020-11-28 02:57:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2020-11-28 02:57:16,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1169 transitions. [2020-11-28 02:57:16,210 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1169 transitions. Word has length 102 [2020-11-28 02:57:16,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:16,211 INFO L481 AbstractCegarLoop]: Abstraction has 921 states and 1169 transitions. [2020-11-28 02:57:16,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1169 transitions. [2020-11-28 02:57:16,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-11-28 02:57:16,221 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:16,222 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-11-28 02:57:16,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:57:16,222 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:16,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:16,223 INFO L82 PathProgramCache]: Analyzing trace with hash -65196048, now seen corresponding path program 1 times [2020-11-28 02:57:16,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:16,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771846230] [2020-11-28 02:57:16,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:16,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771846230] [2020-11-28 02:57:16,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:16,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:16,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872304006] [2020-11-28 02:57:16,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:16,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:16,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:16,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:16,357 INFO L87 Difference]: Start difference. First operand 921 states and 1169 transitions. Second operand 3 states. [2020-11-28 02:57:17,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:17,105 INFO L93 Difference]: Finished difference Result 2495 states and 3156 transitions. [2020-11-28 02:57:17,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:17,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-11-28 02:57:17,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:17,115 INFO L225 Difference]: With dead ends: 2495 [2020-11-28 02:57:17,115 INFO L226 Difference]: Without dead ends: 1576 [2020-11-28 02:57:17,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:17,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2020-11-28 02:57:17,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2020-11-28 02:57:17,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-11-28 02:57:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1819 transitions. [2020-11-28 02:57:17,159 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1819 transitions. Word has length 106 [2020-11-28 02:57:17,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:17,171 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1819 transitions. [2020-11-28 02:57:17,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:17,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1819 transitions. [2020-11-28 02:57:17,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-28 02:57:17,175 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:17,176 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:17,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:57:17,176 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:17,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:17,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1925640741, now seen corresponding path program 1 times [2020-11-28 02:57:17,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:17,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256984259] [2020-11-28 02:57:17,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:17,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256984259] [2020-11-28 02:57:17,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:17,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:17,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828476519] [2020-11-28 02:57:17,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:17,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:17,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:17,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:17,331 INFO L87 Difference]: Start difference. First operand 1445 states and 1819 transitions. Second operand 3 states. [2020-11-28 02:57:18,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:18,054 INFO L93 Difference]: Finished difference Result 2888 states and 3636 transitions. [2020-11-28 02:57:18,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:18,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-11-28 02:57:18,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:18,063 INFO L225 Difference]: With dead ends: 2888 [2020-11-28 02:57:18,063 INFO L226 Difference]: Without dead ends: 1445 [2020-11-28 02:57:18,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:18,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-11-28 02:57:18,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2020-11-28 02:57:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-11-28 02:57:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1801 transitions. [2020-11-28 02:57:18,107 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1801 transitions. Word has length 108 [2020-11-28 02:57:18,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:18,108 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1801 transitions. [2020-11-28 02:57:18,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1801 transitions. [2020-11-28 02:57:18,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-11-28 02:57:18,112 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:18,112 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-11-28 02:57:18,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:57:18,113 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:18,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:18,114 INFO L82 PathProgramCache]: Analyzing trace with hash 518171191, now seen corresponding path program 1 times [2020-11-28 02:57:18,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:18,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028657043] [2020-11-28 02:57:18,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:18,211 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 02:57:18,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028657043] [2020-11-28 02:57:18,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:18,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:18,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527353262] [2020-11-28 02:57:18,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:18,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:18,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:18,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:18,217 INFO L87 Difference]: Start difference. First operand 1445 states and 1801 transitions. Second operand 3 states. [2020-11-28 02:57:18,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:18,912 INFO L93 Difference]: Finished difference Result 2888 states and 3600 transitions. [2020-11-28 02:57:18,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:18,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-11-28 02:57:18,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:18,922 INFO L225 Difference]: With dead ends: 2888 [2020-11-28 02:57:18,922 INFO L226 Difference]: Without dead ends: 1445 [2020-11-28 02:57:18,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:18,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-11-28 02:57:18,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2020-11-28 02:57:18,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-11-28 02:57:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1783 transitions. [2020-11-28 02:57:18,979 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1783 transitions. Word has length 109 [2020-11-28 02:57:18,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:18,982 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1783 transitions. [2020-11-28 02:57:18,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1783 transitions. [2020-11-28 02:57:18,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-28 02:57:18,989 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:18,989 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:18,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:57:18,990 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:18,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:18,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1748296159, now seen corresponding path program 1 times [2020-11-28 02:57:18,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:18,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508563679] [2020-11-28 02:57:19,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:57:19,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508563679] [2020-11-28 02:57:19,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801977892] [2020-11-28 02:57:19,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:19,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:57:19,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-28 02:57:19,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:57:19,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 02:57:19,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010511470] [2020-11-28 02:57:19,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:19,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:19,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:19,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:19,439 INFO L87 Difference]: Start difference. First operand 1445 states and 1783 transitions. Second operand 3 states. [2020-11-28 02:57:20,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:20,258 INFO L93 Difference]: Finished difference Result 2364 states and 2889 transitions. [2020-11-28 02:57:20,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:20,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-11-28 02:57:20,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:20,277 INFO L225 Difference]: With dead ends: 2364 [2020-11-28 02:57:20,277 INFO L226 Difference]: Without dead ends: 2362 [2020-11-28 02:57:20,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:20,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-11-28 02:57:20,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2231. [2020-11-28 02:57:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2020-11-28 02:57:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2737 transitions. [2020-11-28 02:57:20,367 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2737 transitions. Word has length 112 [2020-11-28 02:57:20,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:20,369 INFO L481 AbstractCegarLoop]: Abstraction has 2231 states and 2737 transitions. [2020-11-28 02:57:20,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:20,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2737 transitions. [2020-11-28 02:57:20,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-28 02:57:20,374 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:20,374 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2020-11-28 02:57:20,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-28 02:57:20,593 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:20,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:20,593 INFO L82 PathProgramCache]: Analyzing trace with hash 2098554100, now seen corresponding path program 1 times [2020-11-28 02:57:20,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:20,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606920912] [2020-11-28 02:57:20,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:20,674 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 02:57:20,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606920912] [2020-11-28 02:57:20,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:20,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:20,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815800299] [2020-11-28 02:57:20,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:20,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:20,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:20,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:20,677 INFO L87 Difference]: Start difference. First operand 2231 states and 2737 transitions. Second operand 3 states. [2020-11-28 02:57:21,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:21,423 INFO L93 Difference]: Finished difference Result 4984 states and 6104 transitions. [2020-11-28 02:57:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:21,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-11-28 02:57:21,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:21,436 INFO L225 Difference]: With dead ends: 4984 [2020-11-28 02:57:21,436 INFO L226 Difference]: Without dead ends: 2362 [2020-11-28 02:57:21,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:21,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-11-28 02:57:21,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1969. [2020-11-28 02:57:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-11-28 02:57:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2201 transitions. [2020-11-28 02:57:21,490 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2201 transitions. Word has length 119 [2020-11-28 02:57:21,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:21,490 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2201 transitions. [2020-11-28 02:57:21,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2201 transitions. [2020-11-28 02:57:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-28 02:57:21,495 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:21,495 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] [2020-11-28 02:57:21,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:57:21,496 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:21,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:21,496 INFO L82 PathProgramCache]: Analyzing trace with hash -187065582, now seen corresponding path program 1 times [2020-11-28 02:57:21,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:21,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101280289] [2020-11-28 02:57:21,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:21,578 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-28 02:57:21,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101280289] [2020-11-28 02:57:21,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:21,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:21,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070717000] [2020-11-28 02:57:21,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:21,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:21,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:21,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:21,581 INFO L87 Difference]: Start difference. First operand 1969 states and 2201 transitions. Second operand 3 states. [2020-11-28 02:57:22,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:22,156 INFO L93 Difference]: Finished difference Result 3936 states and 4400 transitions. [2020-11-28 02:57:22,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:22,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2020-11-28 02:57:22,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:22,170 INFO L225 Difference]: With dead ends: 3936 [2020-11-28 02:57:22,170 INFO L226 Difference]: Without dead ends: 1969 [2020-11-28 02:57:22,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:22,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-11-28 02:57:22,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1969. [2020-11-28 02:57:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2020-11-28 02:57:22,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2185 transitions. [2020-11-28 02:57:22,227 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2185 transitions. Word has length 139 [2020-11-28 02:57:22,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:22,227 INFO L481 AbstractCegarLoop]: Abstraction has 1969 states and 2185 transitions. [2020-11-28 02:57:22,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:22,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2185 transitions. [2020-11-28 02:57:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-28 02:57:22,238 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:22,238 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:22,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:57:22,238 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:22,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:22,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1891621864, now seen corresponding path program 1 times [2020-11-28 02:57:22,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:22,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517178032] [2020-11-28 02:57:22,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:22,382 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-28 02:57:22,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517178032] [2020-11-28 02:57:22,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:22,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:22,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758198674] [2020-11-28 02:57:22,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:57:22,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:22,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:57:22,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:22,387 INFO L87 Difference]: Start difference. First operand 1969 states and 2185 transitions. Second operand 4 states. [2020-11-28 02:57:23,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:23,240 INFO L93 Difference]: Finished difference Result 4591 states and 5084 transitions. [2020-11-28 02:57:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:57:23,241 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2020-11-28 02:57:23,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:23,254 INFO L225 Difference]: With dead ends: 4591 [2020-11-28 02:57:23,255 INFO L226 Difference]: Without dead ends: 2624 [2020-11-28 02:57:23,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:57:23,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-11-28 02:57:23,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2362. [2020-11-28 02:57:23,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-11-28 02:57:23,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2595 transitions. [2020-11-28 02:57:23,312 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2595 transitions. Word has length 168 [2020-11-28 02:57:23,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:23,312 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2595 transitions. [2020-11-28 02:57:23,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:57:23,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2595 transitions. [2020-11-28 02:57:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-28 02:57:23,318 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:23,318 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:23,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:57:23,319 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:23,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:23,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1553215041, now seen corresponding path program 1 times [2020-11-28 02:57:23,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:23,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198132444] [2020-11-28 02:57:23,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 130 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-28 02:57:23,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198132444] [2020-11-28 02:57:23,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651371819] [2020-11-28 02:57:23,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:23,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 02:57:23,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:57:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-28 02:57:23,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:57:23,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 02:57:23,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810819442] [2020-11-28 02:57:23,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:23,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:23,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:23,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:23,697 INFO L87 Difference]: Start difference. First operand 2362 states and 2595 transitions. Second operand 3 states. [2020-11-28 02:57:24,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:24,338 INFO L93 Difference]: Finished difference Result 4065 states and 4470 transitions. [2020-11-28 02:57:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:24,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2020-11-28 02:57:24,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:24,339 INFO L225 Difference]: With dead ends: 4065 [2020-11-28 02:57:24,339 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:57:24,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:57:24,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:57:24,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:57:24,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:57:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:57:24,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2020-11-28 02:57:24,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:24,344 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:57:24,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:24,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:57:24,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:57:24,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:57:24,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:57:24,749 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 02:57:24,749 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 02:57:24,750 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 02:57:24,751 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 02:57:24,752 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,753 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 02:57:24,754 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 02:57:24,755 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,756 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 02:57:24,757 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 02:57:24,758 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 02:57:24,761 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 02:57:24,761 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,761 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,762 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,762 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,762 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,762 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:57:24,762 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 02:57:24,762 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 02:57:24,762 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 02:57:24,763 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 02:57:24,763 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 02:57:24,763 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 02:57:24,763 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 02:57:24,763 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 02:57:24,763 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 02:57:24,764 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (= ~a7~0 1)) (.cse2 (<= ~a16~0 5)) (.cse0 (= ~a21~0 1)) (.cse5 (= ~a20~0 1)) (.cse3 (= ~a17~0 1)) (.cse4 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2) (and (or (and .cse2 .cse3 .cse4) (and .cse5 .cse4)) .cse1) (and .cse0 .cse2 .cse4) (and .cse0 (<= ~a7~0 0)) (and .cse0 .cse5 .cse3 .cse4))) [2020-11-28 02:57:24,764 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,764 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,764 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,765 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,765 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,765 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 02:57:24,765 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 02:57:24,765 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 02:57:24,765 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 02:57:24,765 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 02:57:24,765 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 02:57:24,766 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 02:57:24,766 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 02:57:24,766 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 02:57:24,766 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 02:57:24,766 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 02:57:24,766 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 02:57:24,766 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:57:24,767 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 02:57:24,767 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 02:57:24,767 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,767 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,767 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,767 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,767 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,768 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 02:57:24,768 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 02:57:24,768 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 02:57:24,768 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 02:57:24,768 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 02:57:24,768 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 02:57:24,768 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 02:57:24,768 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 02:57:24,769 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 02:57:24,769 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:57:24,769 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,770 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,770 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,770 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,770 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 02:57:24,770 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,770 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 02:57:24,770 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 02:57:24,771 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 02:57:24,771 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 02:57:24,771 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 02:57:24,771 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 02:57:24,771 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 02:57:24,771 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 02:57:24,771 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 02:57:24,771 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 02:57:24,772 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 02:57:24,772 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 02:57:24,772 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 02:57:24,772 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,772 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (= ~a7~0 1)) (.cse2 (<= ~a16~0 5)) (.cse0 (= ~a21~0 1)) (.cse5 (= ~a20~0 1)) (.cse3 (= ~a17~0 1)) (.cse4 (<= ~a8~0 13))) (or (and .cse0 .cse1 .cse2) (and (or (and .cse2 .cse3 .cse4) (and .cse5 .cse4)) .cse1) (and .cse0 .cse2 .cse4) (and .cse0 (<= ~a7~0 0)) (and .cse0 .cse5 .cse3 .cse4))) [2020-11-28 02:57:24,772 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,773 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,773 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,773 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,773 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 02:57:24,773 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:57:24,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 02:57:24,773 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 02:57:24,774 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 02:57:24,774 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 02:57:24,774 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 02:57:24,774 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 02:57:24,774 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 02:57:24,774 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 02:57:24,774 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,775 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,775 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,775 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,775 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 02:57:24,775 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 02:57:24,775 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 02:57:24,775 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 02:57:24,776 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 02:57:24,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:24 BoogieIcfgContainer [2020-11-28 02:57:24,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:57:24,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:24,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:24,813 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:24,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:12" (3/4) ... [2020-11-28 02:57:24,817 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:57:24,846 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:57:24,847 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 02:57:24,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:24,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:57:25,016 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e814f4ef-a144-433c-aec5-8b6cf176a6d3/bin/uautomizer/witness.graphml [2020-11-28 02:57:25,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:25,018 INFO L168 Benchmark]: Toolchain (without parser) took 15480.88 ms. Allocated memory was 86.0 MB in the beginning and 239.1 MB in the end (delta: 153.1 MB). Free memory was 51.7 MB in the beginning and 145.0 MB in the end (delta: -93.4 MB). Peak memory consumption was 59.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:25,019 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 45.9 MB in the beginning and 45.8 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:25,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.20 ms. Allocated memory is still 86.0 MB. Free memory was 51.3 MB in the beginning and 46.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:25,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.69 ms. Allocated memory is still 86.0 MB. Free memory was 46.4 MB in the beginning and 40.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:25,020 INFO L168 Benchmark]: Boogie Preprocessor took 92.52 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 40.7 MB in the beginning and 78.8 MB in the end (delta: -38.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:25,021 INFO L168 Benchmark]: RCFGBuilder took 1801.31 ms. Allocated memory is still 104.9 MB. Free memory was 78.8 MB in the beginning and 58.6 MB in the end (delta: 20.2 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:25,021 INFO L168 Benchmark]: TraceAbstraction took 12450.12 ms. Allocated memory was 104.9 MB in the beginning and 239.1 MB in the end (delta: 134.2 MB). Free memory was 58.0 MB in the beginning and 160.7 MB in the end (delta: -102.8 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:25,021 INFO L168 Benchmark]: Witness Printer took 203.46 ms. Allocated memory is still 239.1 MB. Free memory was 160.7 MB in the beginning and 145.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:25,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory was 45.9 MB in the beginning and 45.8 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 826.20 ms. Allocated memory is still 86.0 MB. Free memory was 51.3 MB in the beginning and 46.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.69 ms. Allocated memory is still 86.0 MB. Free memory was 46.4 MB in the beginning and 40.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.52 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 40.7 MB in the beginning and 78.8 MB in the end (delta: -38.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1801.31 ms. Allocated memory is still 104.9 MB. Free memory was 78.8 MB in the beginning and 58.6 MB in the end (delta: 20.2 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12450.12 ms. Allocated memory was 104.9 MB in the beginning and 239.1 MB in the end (delta: 134.2 MB). Free memory was 58.0 MB in the beginning and 160.7 MB in the end (delta: -102.8 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. * Witness Printer took 203.46 ms. Allocated memory is still 239.1 MB. Free memory was 160.7 MB in the beginning and 145.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: (((((a21 == 1 && a7 == 1) && a16 <= 5) || ((((a16 <= 5 && a17 == 1) && a8 <= 13) || (a20 == 1 && a8 <= 13)) && a7 == 1)) || ((a21 == 1 && a16 <= 5) && a8 <= 13)) || (a21 == 1 && a7 <= 0)) || (((a21 == 1 && a20 == 1) && a17 == 1) && a8 <= 13) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((a21 == 1 && a7 == 1) && a16 <= 5) || ((((a16 <= 5 && a17 == 1) && a8 <= 13) || (a20 == 1 && a8 <= 13)) && a7 == 1)) || ((a21 == 1 && a16 <= 5) && a8 <= 13)) || (a21 == 1 && a7 <= 0)) || (((a21 == 1 && a20 == 1) && a17 == 1) && a8 <= 13) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.1s, OverallIterations: 11, TraceHistogramMax: 6, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 710 SDtfs, 1600 SDslu, 60 SDs, 0 SdLazy, 3725 SolverSat, 605 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2362occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 917 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 127 HoareAnnotationTreeSize, 3 FomulaSimplifications, 694 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1636 NumberOfCodeBlocks, 1636 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1623 ConstructedInterpolants, 0 QuantifiedInterpolants, 378300 SizeOfPredicates, 1 NumberOfNonLiveVariables, 674 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 751/760 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...