./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label01.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_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label01.c -s /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/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 81c0ce4bbe6e9ab2e32ee97298c1b567b29fd94b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:21:34,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:21:34,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:21:34,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:21:34,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:21:34,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:21:34,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:21:34,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:21:34,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:21:34,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:21:34,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:21:34,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:21:34,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:21:35,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:21:35,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:21:35,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:21:35,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:21:35,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:21:35,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:21:35,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:21:35,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:21:35,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:21:35,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:21:35,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:21:35,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:21:35,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:21:35,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:21:35,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:21:35,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:21:35,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:21:35,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:21:35,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:21:35,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:21:35,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:21:35,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:21:35,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:21:35,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:21:35,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:21:35,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:21:35,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:21:35,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:21:35,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:21:35,110 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:21:35,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:21:35,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:21:35,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:21:35,113 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:21:35,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:21:35,113 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:21:35,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:21:35,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:21:35,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:21:35,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:21:35,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:21:35,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:21:35,116 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:21:35,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:21:35,116 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:21:35,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:21:35,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:21:35,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:21:35,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:21:35,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:21:35,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:21:35,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:21:35,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:21:35,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:21:35,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:21:35,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:21:35,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:21:35,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:21:35,126 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_78221a02-dc28-48c1-ba7f-ba434747cf9a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81c0ce4bbe6e9ab2e32ee97298c1b567b29fd94b [2020-11-28 03:21:35,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:21:35,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:21:35,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:21:35,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:21:35,444 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:21:35,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label01.c [2020-11-28 03:21:35,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/data/b67bd971a/091decb3708843818b923ac14d624963/FLAG8ac909cf3 [2020-11-28 03:21:36,257 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:21:36,258 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/sv-benchmarks/c/eca-rers2012/Problem01_label01.c [2020-11-28 03:21:36,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/data/b67bd971a/091decb3708843818b923ac14d624963/FLAG8ac909cf3 [2020-11-28 03:21:36,490 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/data/b67bd971a/091decb3708843818b923ac14d624963 [2020-11-28 03:21:36,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:21:36,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:21:36,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:36,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:21:36,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:21:36,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:36" (1/1) ... [2020-11-28 03:21:36,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fae66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:36, skipping insertion in model container [2020-11-28 03:21:36,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:36" (1/1) ... [2020-11-28 03:21:36,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:21:36,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:21:37,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:21:37,032 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:21:37,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:21:37,240 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:21:37,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37 WrapperNode [2020-11-28 03:21:37,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:37,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:21:37,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:21:37,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:21:37,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:21:37,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:21:37,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:21:37,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:21:37,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... [2020-11-28 03:21:37,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:21:37,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:21:37,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:21:37,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:21:37,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:21:37,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:21:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:21:37,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:21:37,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:21:39,209 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:21:39,211 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:21:39,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:39 BoogieIcfgContainer [2020-11-28 03:21:39,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:21:39,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:21:39,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:21:39,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:21:39,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:21:36" (1/3) ... [2020-11-28 03:21:39,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4956d806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:39, skipping insertion in model container [2020-11-28 03:21:39,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:37" (2/3) ... [2020-11-28 03:21:39,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4956d806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:39, skipping insertion in model container [2020-11-28 03:21:39,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:39" (3/3) ... [2020-11-28 03:21:39,227 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label01.c [2020-11-28 03:21:39,238 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:21:39,243 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:21:39,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:21:39,283 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:21:39,283 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:21:39,283 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:21:39,283 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:21:39,283 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:21:39,283 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:21:39,284 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:21:39,284 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:21:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-28 03:21:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-28 03:21:39,313 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:39,314 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] [2020-11-28 03:21:39,315 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:39,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:39,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1687716446, now seen corresponding path program 1 times [2020-11-28 03:21:39,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:39,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105884127] [2020-11-28 03:21:39,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:39,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105884127] [2020-11-28 03:21:39,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:39,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:21:39,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368887988] [2020-11-28 03:21:39,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:39,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:39,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:39,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:39,825 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-28 03:21:40,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:40,935 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-28 03:21:40,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:40,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-11-28 03:21:40,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:40,950 INFO L225 Difference]: With dead ends: 529 [2020-11-28 03:21:40,950 INFO L226 Difference]: Without dead ends: 266 [2020-11-28 03:21:40,954 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 03:21:40,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-28 03:21:41,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-28 03:21:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-28 03:21:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2020-11-28 03:21:41,014 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 91 [2020-11-28 03:21:41,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:41,015 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2020-11-28 03:21:41,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2020-11-28 03:21:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-28 03:21:41,021 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:41,021 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:41,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:21:41,022 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:41,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:41,023 INFO L82 PathProgramCache]: Analyzing trace with hash -152783063, now seen corresponding path program 1 times [2020-11-28 03:21:41,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:41,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689953310] [2020-11-28 03:21:41,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:41,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689953310] [2020-11-28 03:21:41,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:41,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:21:41,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025485094] [2020-11-28 03:21:41,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:41,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:41,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:41,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:41,111 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 3 states. [2020-11-28 03:21:41,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:41,905 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2020-11-28 03:21:41,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:41,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-11-28 03:21:41,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:41,911 INFO L225 Difference]: With dead ends: 792 [2020-11-28 03:21:41,911 INFO L226 Difference]: Without dead ends: 528 [2020-11-28 03:21:41,914 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 03:21:41,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-11-28 03:21:41,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-11-28 03:21:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-11-28 03:21:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 744 transitions. [2020-11-28 03:21:41,958 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 744 transitions. Word has length 97 [2020-11-28 03:21:41,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:41,959 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 744 transitions. [2020-11-28 03:21:41,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 744 transitions. [2020-11-28 03:21:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-28 03:21:41,964 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:41,965 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2020-11-28 03:21:41,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:21:41,965 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:41,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:41,966 INFO L82 PathProgramCache]: Analyzing trace with hash -635089188, now seen corresponding path program 1 times [2020-11-28 03:21:41,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:41,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665783922] [2020-11-28 03:21:41,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:42,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665783922] [2020-11-28 03:21:42,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:42,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:42,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582664906] [2020-11-28 03:21:42,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:21:42,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:42,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:21:42,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:42,155 INFO L87 Difference]: Start difference. First operand 528 states and 744 transitions. Second operand 4 states. [2020-11-28 03:21:43,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:43,123 INFO L93 Difference]: Finished difference Result 1709 states and 2393 transitions. [2020-11-28 03:21:43,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:21:43,124 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 117 [2020-11-28 03:21:43,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:43,131 INFO L225 Difference]: With dead ends: 1709 [2020-11-28 03:21:43,132 INFO L226 Difference]: Without dead ends: 1183 [2020-11-28 03:21:43,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:43,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-11-28 03:21:43,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2020-11-28 03:21:43,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-28 03:21:43,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1340 transitions. [2020-11-28 03:21:43,184 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1340 transitions. Word has length 117 [2020-11-28 03:21:43,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:43,184 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1340 transitions. [2020-11-28 03:21:43,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:21:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1340 transitions. [2020-11-28 03:21:43,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-28 03:21:43,192 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:43,192 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-28 03:21:43,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:21:43,192 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:43,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:43,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1432191442, now seen corresponding path program 1 times [2020-11-28 03:21:43,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:43,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619718786] [2020-11-28 03:21:43,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:43,302 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 03:21:43,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619718786] [2020-11-28 03:21:43,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:43,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:21:43,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437013082] [2020-11-28 03:21:43,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:43,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:43,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:43,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:43,307 INFO L87 Difference]: Start difference. First operand 1052 states and 1340 transitions. Second operand 3 states. [2020-11-28 03:21:44,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:44,059 INFO L93 Difference]: Finished difference Result 2495 states and 3174 transitions. [2020-11-28 03:21:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:44,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-11-28 03:21:44,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:44,071 INFO L225 Difference]: With dead ends: 2495 [2020-11-28 03:21:44,072 INFO L226 Difference]: Without dead ends: 1445 [2020-11-28 03:21:44,074 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 03:21:44,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-11-28 03:21:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1183. [2020-11-28 03:21:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2020-11-28 03:21:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1478 transitions. [2020-11-28 03:21:44,124 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1478 transitions. Word has length 121 [2020-11-28 03:21:44,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:44,125 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 1478 transitions. [2020-11-28 03:21:44,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1478 transitions. [2020-11-28 03:21:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-11-28 03:21:44,131 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:44,131 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2020-11-28 03:21:44,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:21:44,132 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:44,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:44,134 INFO L82 PathProgramCache]: Analyzing trace with hash -2089783208, now seen corresponding path program 1 times [2020-11-28 03:21:44,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:44,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474277824] [2020-11-28 03:21:44,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 03:21:44,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474277824] [2020-11-28 03:21:44,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:44,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:44,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27312005] [2020-11-28 03:21:44,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:21:44,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:44,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:21:44,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:44,272 INFO L87 Difference]: Start difference. First operand 1183 states and 1478 transitions. Second operand 4 states. [2020-11-28 03:21:45,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:45,342 INFO L93 Difference]: Finished difference Result 3281 states and 4069 transitions. [2020-11-28 03:21:45,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:21:45,343 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-11-28 03:21:45,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:45,353 INFO L225 Difference]: With dead ends: 3281 [2020-11-28 03:21:45,353 INFO L226 Difference]: Without dead ends: 1838 [2020-11-28 03:21:45,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:45,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-11-28 03:21:45,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2020-11-28 03:21:45,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-11-28 03:21:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1955 transitions. [2020-11-28 03:21:45,419 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1955 transitions. Word has length 125 [2020-11-28 03:21:45,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:45,419 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 1955 transitions. [2020-11-28 03:21:45,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:21:45,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1955 transitions. [2020-11-28 03:21:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-28 03:21:45,424 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:45,425 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:45,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:21:45,425 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:45,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:45,426 INFO L82 PathProgramCache]: Analyzing trace with hash -233203596, now seen corresponding path program 1 times [2020-11-28 03:21:45,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:45,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089779319] [2020-11-28 03:21:45,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-28 03:21:45,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089779319] [2020-11-28 03:21:45,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:45,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:21:45,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525433022] [2020-11-28 03:21:45,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:45,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:45,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:45,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:45,610 INFO L87 Difference]: Start difference. First operand 1707 states and 1955 transitions. Second operand 3 states. [2020-11-28 03:21:46,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:46,175 INFO L93 Difference]: Finished difference Result 3412 states and 3908 transitions. [2020-11-28 03:21:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:46,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-11-28 03:21:46,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:46,185 INFO L225 Difference]: With dead ends: 3412 [2020-11-28 03:21:46,185 INFO L226 Difference]: Without dead ends: 1707 [2020-11-28 03:21:46,188 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 03:21:46,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-11-28 03:21:46,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2020-11-28 03:21:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-11-28 03:21:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1941 transitions. [2020-11-28 03:21:46,264 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1941 transitions. Word has length 150 [2020-11-28 03:21:46,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:46,268 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 1941 transitions. [2020-11-28 03:21:46,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1941 transitions. [2020-11-28 03:21:46,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-11-28 03:21:46,274 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:46,275 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:46,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:21:46,275 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:46,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:46,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1097565061, now seen corresponding path program 1 times [2020-11-28 03:21:46,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:46,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393384617] [2020-11-28 03:21:46,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 100 proven. 3 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-28 03:21:46,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393384617] [2020-11-28 03:21:46,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174995778] [2020-11-28 03:21:46,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:46,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:21:46,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-28 03:21:46,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:21:46,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:21:46,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546513540] [2020-11-28 03:21:46,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:46,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:46,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:46,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:46,952 INFO L87 Difference]: Start difference. First operand 1707 states and 1941 transitions. Second operand 3 states. [2020-11-28 03:21:47,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:47,647 INFO L93 Difference]: Finished difference Result 3805 states and 4320 transitions. [2020-11-28 03:21:47,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:47,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-11-28 03:21:47,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:47,664 INFO L225 Difference]: With dead ends: 3805 [2020-11-28 03:21:47,664 INFO L226 Difference]: Without dead ends: 2100 [2020-11-28 03:21:47,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:47,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2020-11-28 03:21:47,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1707. [2020-11-28 03:21:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-11-28 03:21:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1941 transitions. [2020-11-28 03:21:47,720 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1941 transitions. Word has length 193 [2020-11-28 03:21:47,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:47,722 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 1941 transitions. [2020-11-28 03:21:47,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:47,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1941 transitions. [2020-11-28 03:21:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-28 03:21:47,728 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:47,728 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2020-11-28 03:21:47,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-28 03:21:47,954 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:47,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:47,954 INFO L82 PathProgramCache]: Analyzing trace with hash -212494584, now seen corresponding path program 1 times [2020-11-28 03:21:47,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:47,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504361319] [2020-11-28 03:21:47,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:48,132 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-11-28 03:21:48,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504361319] [2020-11-28 03:21:48,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130187591] [2020-11-28 03:21:48,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:48,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:21:48,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-11-28 03:21:48,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:21:48,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 03:21:48,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699128446] [2020-11-28 03:21:48,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:48,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:48,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:48,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:48,371 INFO L87 Difference]: Start difference. First operand 1707 states and 1941 transitions. Second operand 3 states. [2020-11-28 03:21:49,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:49,184 INFO L93 Difference]: Finished difference Result 4329 states and 4925 transitions. [2020-11-28 03:21:49,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:49,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2020-11-28 03:21:49,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:49,198 INFO L225 Difference]: With dead ends: 4329 [2020-11-28 03:21:49,199 INFO L226 Difference]: Without dead ends: 2624 [2020-11-28 03:21:49,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 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 03:21:49,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-11-28 03:21:49,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2493. [2020-11-28 03:21:49,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-11-28 03:21:49,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2812 transitions. [2020-11-28 03:21:49,255 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2812 transitions. Word has length 197 [2020-11-28 03:21:49,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:49,256 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2812 transitions. [2020-11-28 03:21:49,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2812 transitions. [2020-11-28 03:21:49,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-11-28 03:21:49,263 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:49,263 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:49,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:49,478 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:49,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:49,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1796157642, now seen corresponding path program 1 times [2020-11-28 03:21:49,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:49,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722777142] [2020-11-28 03:21:49,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:49,664 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 100 proven. 3 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-11-28 03:21:49,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722777142] [2020-11-28 03:21:49,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724802311] [2020-11-28 03:21:49,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:49,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:21:49,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-28 03:21:49,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:21:49,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:21:49,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700803493] [2020-11-28 03:21:49,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:49,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:49,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:49,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:49,894 INFO L87 Difference]: Start difference. First operand 2493 states and 2812 transitions. Second operand 3 states. [2020-11-28 03:21:50,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:50,491 INFO L93 Difference]: Finished difference Result 5508 states and 6231 transitions. [2020-11-28 03:21:50,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:50,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2020-11-28 03:21:50,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:50,508 INFO L225 Difference]: With dead ends: 5508 [2020-11-28 03:21:50,509 INFO L226 Difference]: Without dead ends: 3017 [2020-11-28 03:21:50,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:50,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-11-28 03:21:50,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2624. [2020-11-28 03:21:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-11-28 03:21:50,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2962 transitions. [2020-11-28 03:21:50,577 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2962 transitions. Word has length 199 [2020-11-28 03:21:50,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:50,577 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 2962 transitions. [2020-11-28 03:21:50,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2962 transitions. [2020-11-28 03:21:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-11-28 03:21:50,586 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:50,586 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:50,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:50,809 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:50,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:50,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1741007655, now seen corresponding path program 1 times [2020-11-28 03:21:50,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:50,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052147555] [2020-11-28 03:21:50,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 119 proven. 3 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2020-11-28 03:21:50,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052147555] [2020-11-28 03:21:50,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755034334] [2020-11-28 03:21:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:51,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:21:51,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-11-28 03:21:51,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:21:51,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 03:21:51,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557506282] [2020-11-28 03:21:51,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:51,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:51,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:51,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:51,211 INFO L87 Difference]: Start difference. First operand 2624 states and 2962 transitions. Second operand 3 states. [2020-11-28 03:21:51,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:51,729 INFO L93 Difference]: Finished difference Result 5506 states and 6215 transitions. [2020-11-28 03:21:51,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:51,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-11-28 03:21:51,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:51,731 INFO L225 Difference]: With dead ends: 5506 [2020-11-28 03:21:51,731 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:21:51,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:51,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:21:51,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:21:51,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:21:51,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:21:51,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2020-11-28 03:21:51,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:51,737 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:51,737 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:21:51,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:21:51,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:51,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:21:52,150 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-11-28 03:21:52,261 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-11-28 03:21:52,264 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-28 03:21:52,264 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-28 03:21:52,265 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-28 03:21:52,265 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-28 03:21:52,265 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 03:21:52,265 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-28 03:21:52,265 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-28 03:21:52,265 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-28 03:21:52,265 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,265 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,266 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,266 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,266 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-28 03:21:52,266 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,266 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,266 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-28 03:21:52,266 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-28 03:21:52,266 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-28 03:21:52,267 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-28 03:21:52,267 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-28 03:21:52,267 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-28 03:21:52,267 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-28 03:21:52,267 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-28 03:21:52,267 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-28 03:21:52,267 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-28 03:21:52,267 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-28 03:21:52,267 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-28 03:21:52,268 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,268 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,268 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,268 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,268 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,268 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-28 03:21:52,268 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,268 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-28 03:21:52,268 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-28 03:21:52,269 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-28 03:21:52,269 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-28 03:21:52,269 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-28 03:21:52,269 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-28 03:21:52,269 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-28 03:21:52,269 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-28 03:21:52,269 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-28 03:21:52,269 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-28 03:21:52,270 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-28 03:21:52,270 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-28 03:21:52,270 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-28 03:21:52,270 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-28 03:21:52,270 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,270 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,270 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,270 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,270 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,271 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,271 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-28 03:21:52,271 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-28 03:21:52,271 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-28 03:21:52,271 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-28 03:21:52,271 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-28 03:21:52,271 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-28 03:21:52,271 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-28 03:21:52,271 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-28 03:21:52,272 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-28 03:21:52,272 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-28 03:21:52,272 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:21:52,272 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-28 03:21:52,272 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-28 03:21:52,272 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,272 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,272 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,273 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,273 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,273 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,273 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-28 03:21:52,273 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-28 03:21:52,276 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-28 03:21:52,276 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-28 03:21:52,276 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-28 03:21:52,276 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-28 03:21:52,276 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-28 03:21:52,276 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-28 03:21:52,276 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-28 03:21:52,276 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-28 03:21:52,276 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,277 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,277 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,277 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,277 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,277 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,277 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-28 03:21:52,277 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-28 03:21:52,277 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-28 03:21:52,277 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-28 03:21:52,278 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-28 03:21:52,278 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-28 03:21:52,278 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-28 03:21:52,278 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-28 03:21:52,278 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-28 03:21:52,278 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-28 03:21:52,278 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-28 03:21:52,278 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-28 03:21:52,278 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-28 03:21:52,279 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-28 03:21:52,279 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-28 03:21:52,279 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,279 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,279 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,279 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,279 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,279 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:21:52,279 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-28 03:21:52,280 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-28 03:21:52,280 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-28 03:21:52,280 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-28 03:21:52,280 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-28 03:21:52,280 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-28 03:21:52,280 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-28 03:21:52,280 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-28 03:21:52,280 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-28 03:21:52,282 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse4 (<= 15 ~a8~0)) (.cse3 (<= ~a16~0 5)) (.cse2 (= ~a17~0 1)) (.cse1 (= ~a20~0 1))) (or (and .cse0 .cse1) (and (= ~a21~0 1) (<= ~a7~0 0) .cse1 .cse2) (and .cse3 .cse0) (and .cse0 .cse4) (and (not (= ~a7~0 1)) .cse4 .cse2) (and .cse3 .cse2) (and (<= ~a21~0 0) .cse1))) [2020-11-28 03:21:52,282 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,282 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,282 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,282 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,282 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,282 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-28 03:21:52,283 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-28 03:21:52,283 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-28 03:21:52,283 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-28 03:21:52,283 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-28 03:21:52,283 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-28 03:21:52,283 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-28 03:21:52,283 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-28 03:21:52,283 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-28 03:21:52,283 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-28 03:21:52,284 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-28 03:21:52,284 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-28 03:21:52,284 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:21:52,284 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-28 03:21:52,284 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-28 03:21:52,285 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,285 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,285 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,285 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,285 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,285 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-28 03:21:52,285 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-28 03:21:52,285 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-28 03:21:52,286 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-28 03:21:52,286 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-28 03:21:52,286 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-28 03:21:52,286 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-28 03:21:52,286 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-28 03:21:52,286 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-28 03:21:52,286 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:21:52,287 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,287 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,287 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,287 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,287 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-28 03:21:52,287 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,287 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-28 03:21:52,288 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-28 03:21:52,288 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-28 03:21:52,288 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-28 03:21:52,288 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-28 03:21:52,288 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-28 03:21:52,288 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-28 03:21:52,288 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-28 03:21:52,289 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-28 03:21:52,289 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-28 03:21:52,289 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-28 03:21:52,290 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-28 03:21:52,290 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-28 03:21:52,290 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,290 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse4 (<= 15 ~a8~0)) (.cse3 (<= ~a16~0 5)) (.cse2 (= ~a17~0 1)) (.cse1 (= ~a20~0 1))) (or (and .cse0 .cse1) (and (= ~a21~0 1) (<= ~a7~0 0) .cse1 .cse2) (and .cse3 .cse0) (and .cse0 .cse4) (and (not (= ~a7~0 1)) .cse4 .cse2) (and .cse3 .cse2) (and (<= ~a21~0 0) .cse1))) [2020-11-28 03:21:52,290 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,290 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,291 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,291 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,291 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-28 03:21:52,291 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:21:52,291 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:21:52,291 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-28 03:21:52,292 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-28 03:21:52,292 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-28 03:21:52,292 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-28 03:21:52,292 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-28 03:21:52,292 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-28 03:21:52,292 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-28 03:21:52,292 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,293 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,293 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,293 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,293 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-28 03:21:52,293 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-28 03:21:52,293 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-28 03:21:52,294 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-28 03:21:52,294 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-28 03:21:52,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:21:52 BoogieIcfgContainer [2020-11-28 03:21:52,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:21:52,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:21:52,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:21:52,328 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:21:52,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:39" (3/4) ... [2020-11-28 03:21:52,331 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:21:52,358 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:21:52,359 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:21:52,360 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:21:52,362 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:21:52,526 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_78221a02-dc28-48c1-ba7f-ba434747cf9a/bin/uautomizer/witness.graphml [2020-11-28 03:21:52,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:21:52,527 INFO L168 Benchmark]: Toolchain (without parser) took 16032.90 ms. Allocated memory was 98.6 MB in the beginning and 367.0 MB in the end (delta: 268.4 MB). Free memory was 76.7 MB in the beginning and 154.7 MB in the end (delta: -78.0 MB). Peak memory consumption was 189.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:52,527 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:52,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.38 ms. Allocated memory is still 98.6 MB. Free memory was 76.7 MB in the beginning and 52.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:52,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.03 ms. Allocated memory is still 98.6 MB. Free memory was 52.6 MB in the beginning and 47.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:52,528 INFO L168 Benchmark]: Boogie Preprocessor took 94.34 ms. Allocated memory is still 98.6 MB. Free memory was 47.0 MB in the beginning and 42.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:52,529 INFO L168 Benchmark]: RCFGBuilder took 1783.82 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 42.4 MB in the beginning and 84.4 MB in the end (delta: -41.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:52,529 INFO L168 Benchmark]: TraceAbstraction took 13110.46 ms. Allocated memory was 125.8 MB in the beginning and 367.0 MB in the end (delta: 241.2 MB). Free memory was 83.6 MB in the beginning and 170.5 MB in the end (delta: -86.9 MB). Peak memory consumption was 154.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:52,530 INFO L168 Benchmark]: Witness Printer took 198.06 ms. Allocated memory is still 367.0 MB. Free memory was 170.5 MB in the beginning and 154.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:52,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory is still 55.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 738.38 ms. Allocated memory is still 98.6 MB. Free memory was 76.7 MB in the beginning and 52.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.03 ms. Allocated memory is still 98.6 MB. Free memory was 52.6 MB in the beginning and 47.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.34 ms. Allocated memory is still 98.6 MB. Free memory was 47.0 MB in the beginning and 42.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1783.82 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 42.4 MB in the beginning and 84.4 MB in the end (delta: -41.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13110.46 ms. Allocated memory was 125.8 MB in the beginning and 367.0 MB in the end (delta: 241.2 MB). Free memory was 83.6 MB in the beginning and 170.5 MB in the end (delta: -86.9 MB). Peak memory consumption was 154.1 MB. Max. memory is 16.1 GB. * Witness Printer took 198.06 ms. Allocated memory is still 367.0 MB. Free memory was 170.5 MB in the beginning and 154.7 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: ((((((a17 <= 0 && a20 == 1) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || (a16 <= 5 && a17 <= 0)) || (a17 <= 0 && 15 <= a8)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || (a16 <= 5 && a17 == 1)) || (a21 <= 0 && a20 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((a17 <= 0 && a20 == 1) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || (a16 <= 5 && a17 <= 0)) || (a17 <= 0 && 15 <= a8)) || ((!(a7 == 1) && 15 <= a8) && a17 == 1)) || (a16 <= 5 && a17 == 1)) || (a21 <= 0 && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 10, TraceHistogramMax: 7, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 641 SDtfs, 1434 SDslu, 61 SDs, 0 SdLazy, 3696 SolverSat, 659 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 835 GetRequests, 815 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2624occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1441 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 53 NumberOfFragments, 121 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1386 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2327 NumberOfCodeBlocks, 2327 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2313 ConstructedInterpolants, 0 QuantifiedInterpolants, 807410 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1743 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 2048/2060 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...