./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label18.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_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c -s /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/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 dc863406f6436892e411d421aa2656d04e66128b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:59:15,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:15,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:15,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:15,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:15,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:15,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:15,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:15,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:15,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:15,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:15,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:15,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:15,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:15,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:15,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:15,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:15,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:15,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:15,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:15,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:15,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:15,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:15,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:15,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:15,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:15,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:15,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:15,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:15,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:15,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:15,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:15,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:15,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:15,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:15,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:15,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:15,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:15,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:15,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:15,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:15,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:59:15,337 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:15,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:15,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:15,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:15,339 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:15,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:15,339 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:15,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:15,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:15,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:15,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:59:15,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:15,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:59:15,341 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:15,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:59:15,341 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:15,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:59:15,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:15,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:15,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:15,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:15,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:15,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:15,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:15,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:59:15,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:15,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:59:15,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:59:15,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:15,344 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_104233e4-fbcb-480f-9e9d-453f24e0f177/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc863406f6436892e411d421aa2656d04e66128b [2020-11-28 02:59:15,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:15,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:15,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:15,728 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:15,729 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:15,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2020-11-28 02:59:15,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/data/2fb7cde9d/42b7cd75de074def9d3e0c25ab2b7d53/FLAG32e71a5a4 [2020-11-28 02:59:16,521 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:16,522 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2020-11-28 02:59:16,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/data/2fb7cde9d/42b7cd75de074def9d3e0c25ab2b7d53/FLAG32e71a5a4 [2020-11-28 02:59:16,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/data/2fb7cde9d/42b7cd75de074def9d3e0c25ab2b7d53 [2020-11-28 02:59:16,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:16,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:59:16,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:16,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:16,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:16,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:16" (1/1) ... [2020-11-28 02:59:16,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c1d716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:16, skipping insertion in model container [2020-11-28 02:59:16,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:16" (1/1) ... [2020-11-28 02:59:16,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:16,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:17,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:17,218 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:59:17,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:59:17,372 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:59:17,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17 WrapperNode [2020-11-28 02:59:17,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:17,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:17,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:59:17,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:59:17,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:59:17,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:59:17,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:59:17,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:59:17,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... [2020-11-28 02:59:17,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:59:17,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:59:17,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:59:17,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:59:17,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:59:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:59:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:59:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:59:19,395 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:59:19,396 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:59:19,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:19 BoogieIcfgContainer [2020-11-28 02:59:19,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:59:19,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:59:19,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:59:19,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:59:19,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:59:16" (1/3) ... [2020-11-28 02:59:19,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33681620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:19, skipping insertion in model container [2020-11-28 02:59:19,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:17" (2/3) ... [2020-11-28 02:59:19,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33681620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:59:19, skipping insertion in model container [2020-11-28 02:59:19,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:19" (3/3) ... [2020-11-28 02:59:19,414 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label18.c [2020-11-28 02:59:19,425 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:59:19,431 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:59:19,441 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:59:19,465 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:59:19,465 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:59:19,465 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:59:19,465 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:59:19,466 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:59:19,466 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:59:19,466 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:59:19,466 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:59:19,486 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-11-28 02:59:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 02:59:19,494 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:19,494 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] [2020-11-28 02:59:19,495 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:19,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:19,499 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2020-11-28 02:59:19,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:19,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142691080] [2020-11-28 02:59:19,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:19,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142691080] [2020-11-28 02:59:19,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:19,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:19,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965441765] [2020-11-28 02:59:19,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:19,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:19,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:19,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:19,882 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-11-28 02:59:21,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:21,033 INFO L93 Difference]: Finished difference Result 568 states and 982 transitions. [2020-11-28 02:59:21,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:21,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-28 02:59:21,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:21,065 INFO L225 Difference]: With dead ends: 568 [2020-11-28 02:59:21,075 INFO L226 Difference]: Without dead ends: 282 [2020-11-28 02:59:21,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:21,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-11-28 02:59:21,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-11-28 02:59:21,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-28 02:59:21,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2020-11-28 02:59:21,160 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 58 [2020-11-28 02:59:21,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:21,161 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2020-11-28 02:59:21,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:21,161 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2020-11-28 02:59:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-28 02:59:21,166 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:21,167 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:21,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:59:21,167 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:21,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:21,168 INFO L82 PathProgramCache]: Analyzing trace with hash -41726596, now seen corresponding path program 1 times [2020-11-28 02:59:21,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:21,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12624147] [2020-11-28 02:59:21,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:21,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12624147] [2020-11-28 02:59:21,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:21,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:21,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293530057] [2020-11-28 02:59:21,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:21,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:21,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:21,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:21,372 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2020-11-28 02:59:22,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:22,350 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2020-11-28 02:59:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:22,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2020-11-28 02:59:22,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:22,354 INFO L225 Difference]: With dead ends: 840 [2020-11-28 02:59:22,355 INFO L226 Difference]: Without dead ends: 560 [2020-11-28 02:59:22,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:22,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-28 02:59:22,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-28 02:59:22,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-28 02:59:22,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-11-28 02:59:22,401 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 128 [2020-11-28 02:59:22,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:22,402 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-11-28 02:59:22,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:22,402 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-11-28 02:59:22,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-11-28 02:59:22,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:22,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:22,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:59:22,406 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:22,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:22,407 INFO L82 PathProgramCache]: Analyzing trace with hash -819889514, now seen corresponding path program 1 times [2020-11-28 02:59:22,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:22,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995753487] [2020-11-28 02:59:22,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:22,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995753487] [2020-11-28 02:59:22,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:22,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:59:22,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783643090] [2020-11-28 02:59:22,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 02:59:22,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:22,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 02:59:22,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:59:22,837 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 7 states. [2020-11-28 02:59:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:23,446 INFO L93 Difference]: Finished difference Result 1173 states and 1513 transitions. [2020-11-28 02:59:23,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:59:23,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2020-11-28 02:59:23,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:23,452 INFO L225 Difference]: With dead ends: 1173 [2020-11-28 02:59:23,452 INFO L226 Difference]: Without dead ends: 560 [2020-11-28 02:59:23,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 02:59:23,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-11-28 02:59:23,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-11-28 02:59:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-11-28 02:59:23,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 726 transitions. [2020-11-28 02:59:23,481 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 726 transitions. Word has length 133 [2020-11-28 02:59:23,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:23,482 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 726 transitions. [2020-11-28 02:59:23,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 02:59:23,482 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 726 transitions. [2020-11-28 02:59:23,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-28 02:59:23,486 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:23,487 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:23,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:59:23,487 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:23,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:23,488 INFO L82 PathProgramCache]: Analyzing trace with hash -2026242450, now seen corresponding path program 1 times [2020-11-28 02:59:23,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:23,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713487273] [2020-11-28 02:59:23,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:23,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713487273] [2020-11-28 02:59:23,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:23,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:23,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254911777] [2020-11-28 02:59:23,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:23,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:23,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:23,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:23,666 INFO L87 Difference]: Start difference. First operand 560 states and 726 transitions. Second operand 3 states. [2020-11-28 02:59:24,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:24,527 INFO L93 Difference]: Finished difference Result 1674 states and 2173 transitions. [2020-11-28 02:59:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:24,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-11-28 02:59:24,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:24,536 INFO L225 Difference]: With dead ends: 1674 [2020-11-28 02:59:24,536 INFO L226 Difference]: Without dead ends: 1116 [2020-11-28 02:59:24,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:24,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-11-28 02:59:24,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2020-11-28 02:59:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-11-28 02:59:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1241 transitions. [2020-11-28 02:59:24,581 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1241 transitions. Word has length 149 [2020-11-28 02:59:24,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:24,583 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1241 transitions. [2020-11-28 02:59:24,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:24,583 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1241 transitions. [2020-11-28 02:59:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-28 02:59:24,596 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:24,597 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:24,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:59:24,597 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:24,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:24,598 INFO L82 PathProgramCache]: Analyzing trace with hash -191280475, now seen corresponding path program 1 times [2020-11-28 02:59:24,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:24,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242238062] [2020-11-28 02:59:24,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:24,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242238062] [2020-11-28 02:59:24,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:24,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:59:24,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313755100] [2020-11-28 02:59:24,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:24,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:24,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:24,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:24,812 INFO L87 Difference]: Start difference. First operand 977 states and 1241 transitions. Second operand 3 states. [2020-11-28 02:59:25,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:25,586 INFO L93 Difference]: Finished difference Result 2091 states and 2628 transitions. [2020-11-28 02:59:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:25,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-11-28 02:59:25,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:25,612 INFO L225 Difference]: With dead ends: 2091 [2020-11-28 02:59:25,613 INFO L226 Difference]: Without dead ends: 1116 [2020-11-28 02:59:25,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:25,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-11-28 02:59:25,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2020-11-28 02:59:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-11-28 02:59:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1384 transitions. [2020-11-28 02:59:25,643 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1384 transitions. Word has length 150 [2020-11-28 02:59:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:25,643 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1384 transitions. [2020-11-28 02:59:25,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1384 transitions. [2020-11-28 02:59:25,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-28 02:59:25,646 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:25,646 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:25,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:59:25,646 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:25,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:25,647 INFO L82 PathProgramCache]: Analyzing trace with hash -8328388, now seen corresponding path program 1 times [2020-11-28 02:59:25,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:25,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310245037] [2020-11-28 02:59:25,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 02:59:25,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310245037] [2020-11-28 02:59:25,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885191391] [2020-11-28 02:59:25,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:59:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:26,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:59:26,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:59:26,225 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-28 02:59:26,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:59:26,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 02:59:26,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902552341] [2020-11-28 02:59:26,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:26,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:26,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:26,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:26,233 INFO L87 Difference]: Start difference. First operand 1116 states and 1384 transitions. Second operand 3 states. [2020-11-28 02:59:27,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:27,092 INFO L93 Difference]: Finished difference Result 1535 states and 1900 transitions. [2020-11-28 02:59:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:27,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-11-28 02:59:27,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:27,104 INFO L225 Difference]: With dead ends: 1535 [2020-11-28 02:59:27,104 INFO L226 Difference]: Without dead ends: 1533 [2020-11-28 02:59:27,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:59:27,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-11-28 02:59:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1255. [2020-11-28 02:59:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 02:59:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1571 transitions. [2020-11-28 02:59:27,142 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1571 transitions. Word has length 169 [2020-11-28 02:59:27,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:27,143 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1571 transitions. [2020-11-28 02:59:27,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:27,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1571 transitions. [2020-11-28 02:59:27,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-28 02:59:27,148 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:27,148 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:27,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-28 02:59:27,382 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:27,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:27,383 INFO L82 PathProgramCache]: Analyzing trace with hash 2112084652, now seen corresponding path program 1 times [2020-11-28 02:59:27,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:27,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046174283] [2020-11-28 02:59:27,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:27,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046174283] [2020-11-28 02:59:27,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:27,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:27,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897082392] [2020-11-28 02:59:27,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:27,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:27,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:27,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:27,587 INFO L87 Difference]: Start difference. First operand 1255 states and 1571 transitions. Second operand 3 states. [2020-11-28 02:59:28,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:28,380 INFO L93 Difference]: Finished difference Result 2786 states and 3552 transitions. [2020-11-28 02:59:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:28,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-11-28 02:59:28,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:28,393 INFO L225 Difference]: With dead ends: 2786 [2020-11-28 02:59:28,393 INFO L226 Difference]: Without dead ends: 1672 [2020-11-28 02:59:28,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:28,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-11-28 02:59:28,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1255. [2020-11-28 02:59:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-11-28 02:59:28,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1562 transitions. [2020-11-28 02:59:28,431 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1562 transitions. Word has length 218 [2020-11-28 02:59:28,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:28,432 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1562 transitions. [2020-11-28 02:59:28,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:28,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1562 transitions. [2020-11-28 02:59:28,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-11-28 02:59:28,436 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:28,436 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:28,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:59:28,437 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:28,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:28,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1169487178, now seen corresponding path program 1 times [2020-11-28 02:59:28,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:28,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473109291] [2020-11-28 02:59:28,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:59:28,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473109291] [2020-11-28 02:59:28,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:59:28,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:59:28,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388954739] [2020-11-28 02:59:28,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:28,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:28,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:28,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:28,623 INFO L87 Difference]: Start difference. First operand 1255 states and 1562 transitions. Second operand 3 states. [2020-11-28 02:59:29,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:29,455 INFO L93 Difference]: Finished difference Result 2786 states and 3534 transitions. [2020-11-28 02:59:29,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:29,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2020-11-28 02:59:29,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:29,467 INFO L225 Difference]: With dead ends: 2786 [2020-11-28 02:59:29,467 INFO L226 Difference]: Without dead ends: 1672 [2020-11-28 02:59:29,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:59:29,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-11-28 02:59:29,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1533. [2020-11-28 02:59:29,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-11-28 02:59:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1792 transitions. [2020-11-28 02:59:29,517 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1792 transitions. Word has length 247 [2020-11-28 02:59:29,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:29,518 INFO L481 AbstractCegarLoop]: Abstraction has 1533 states and 1792 transitions. [2020-11-28 02:59:29,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1792 transitions. [2020-11-28 02:59:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-11-28 02:59:29,525 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:29,526 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:29,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:59:29,527 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:29,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:29,527 INFO L82 PathProgramCache]: Analyzing trace with hash -611754279, now seen corresponding path program 1 times [2020-11-28 02:59:29,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:29,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134029337] [2020-11-28 02:59:29,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 21 proven. 90 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-28 02:59:30,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134029337] [2020-11-28 02:59:30,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954338209] [2020-11-28 02:59:30,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:59:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:30,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:59:30,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:59:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-11-28 02:59:30,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:59:30,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 02:59:30,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639282463] [2020-11-28 02:59:30,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:30,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:30,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:30,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:30,283 INFO L87 Difference]: Start difference. First operand 1533 states and 1792 transitions. Second operand 3 states. [2020-11-28 02:59:31,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:31,058 INFO L93 Difference]: Finished difference Result 2230 states and 2611 transitions. [2020-11-28 02:59:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:31,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 306 [2020-11-28 02:59:31,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:31,070 INFO L225 Difference]: With dead ends: 2230 [2020-11-28 02:59:31,070 INFO L226 Difference]: Without dead ends: 2228 [2020-11-28 02:59:31,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:31,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-11-28 02:59:31,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1533. [2020-11-28 02:59:31,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2020-11-28 02:59:31,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1792 transitions. [2020-11-28 02:59:31,115 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1792 transitions. Word has length 306 [2020-11-28 02:59:31,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:31,116 INFO L481 AbstractCegarLoop]: Abstraction has 1533 states and 1792 transitions. [2020-11-28 02:59:31,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:31,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1792 transitions. [2020-11-28 02:59:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-11-28 02:59:31,123 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:59:31,124 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:59:31,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:59:31,338 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:59:31,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:59:31,339 INFO L82 PathProgramCache]: Analyzing trace with hash 174413491, now seen corresponding path program 1 times [2020-11-28 02:59:31,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:59:31,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382887163] [2020-11-28 02:59:31,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:59:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 86 proven. 81 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-28 02:59:31,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382887163] [2020-11-28 02:59:31,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178712382] [2020-11-28 02:59:31,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/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 02:59:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:59:32,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:59:32,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:59:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2020-11-28 02:59:32,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:59:32,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-28 02:59:32,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317774445] [2020-11-28 02:59:32,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:59:32,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:59:32,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:59:32,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:32,273 INFO L87 Difference]: Start difference. First operand 1533 states and 1792 transitions. Second operand 3 states. [2020-11-28 02:59:33,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:59:33,135 INFO L93 Difference]: Finished difference Result 3201 states and 3804 transitions. [2020-11-28 02:59:33,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:59:33,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 357 [2020-11-28 02:59:33,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:59:33,137 INFO L225 Difference]: With dead ends: 3201 [2020-11-28 02:59:33,137 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:59:33,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:59:33,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:59:33,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:59:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:59:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:59:33,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2020-11-28 02:59:33,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:59:33,142 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:59:33,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:59:33,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:59:33,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:59:33,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-28 02:59:33,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:59:33,535 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-11-28 02:59:33,676 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2020-11-28 02:59:33,681 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-28 02:59:33,681 INFO L274 CegarLoopResult]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-11-28 02:59:33,681 INFO L274 CegarLoopResult]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-11-28 02:59:33,681 INFO L274 CegarLoopResult]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-11-28 02:59:33,681 INFO L274 CegarLoopResult]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-11-28 02:59:33,681 INFO L274 CegarLoopResult]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-11-28 02:59:33,681 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,681 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-11-28 02:59:33,682 INFO L274 CegarLoopResult]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 02:59:33,683 INFO L274 CegarLoopResult]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 02:59:33,684 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-11-28 02:59:33,685 INFO L274 CegarLoopResult]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,686 INFO L274 CegarLoopResult]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-11-28 02:59:33,687 INFO L274 CegarLoopResult]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-11-28 02:59:33,693 INFO L274 CegarLoopResult]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-11-28 02:59:33,693 INFO L274 CegarLoopResult]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-11-28 02:59:33,693 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,693 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,693 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,693 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,693 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,693 INFO L274 CegarLoopResult]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-11-28 02:59:33,694 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:59:33,694 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 02:59:33,694 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 02:59:33,694 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 02:59:33,694 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 02:59:33,694 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 02:59:33,695 INFO L270 CegarLoopResult]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 (<= ~a1~0 23)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= ~a10~0 3)))) [2020-11-28 02:59:33,696 INFO L274 CegarLoopResult]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-11-28 02:59:33,696 INFO L274 CegarLoopResult]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-11-28 02:59:33,696 INFO L274 CegarLoopResult]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-11-28 02:59:33,696 INFO L274 CegarLoopResult]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-11-28 02:59:33,696 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,696 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,696 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,696 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,696 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,697 INFO L274 CegarLoopResult]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-11-28 02:59:33,697 INFO L274 CegarLoopResult]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-11-28 02:59:33,697 INFO L274 CegarLoopResult]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-11-28 02:59:33,697 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 02:59:33,697 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 02:59:33,697 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 02:59:33,697 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 02:59:33,697 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 02:59:33,697 INFO L274 CegarLoopResult]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-11-28 02:59:33,698 INFO L274 CegarLoopResult]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-11-28 02:59:33,698 INFO L277 CegarLoopResult]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-11-28 02:59:33,698 INFO L274 CegarLoopResult]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-11-28 02:59:33,698 INFO L274 CegarLoopResult]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-11-28 02:59:33,698 INFO L274 CegarLoopResult]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-11-28 02:59:33,698 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:59:33,698 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,698 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,699 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,699 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,699 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,699 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 02:59:33,699 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 02:59:33,699 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 02:59:33,699 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 02:59:33,699 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 02:59:33,699 INFO L274 CegarLoopResult]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-11-28 02:59:33,700 INFO L274 CegarLoopResult]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-11-28 02:59:33,700 INFO L274 CegarLoopResult]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-11-28 02:59:33,700 INFO L274 CegarLoopResult]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-11-28 02:59:33,700 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,700 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,700 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,700 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,700 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:59:33,700 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,701 INFO L274 CegarLoopResult]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-11-28 02:59:33,701 INFO L274 CegarLoopResult]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-11-28 02:59:33,701 INFO L274 CegarLoopResult]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-11-28 02:59:33,701 INFO L274 CegarLoopResult]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-11-28 02:59:33,701 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 02:59:33,701 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 02:59:33,701 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 02:59:33,701 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 02:59:33,701 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 02:59:33,702 INFO L274 CegarLoopResult]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-11-28 02:59:33,702 INFO L274 CegarLoopResult]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-11-28 02:59:33,702 INFO L274 CegarLoopResult]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-11-28 02:59:33,702 INFO L270 CegarLoopResult]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 (<= ~a1~0 23)) (and .cse0 (= ~a10~0 0) .cse1) (and (= ~a10~0 1) .cse0 .cse1) (and (<= 8 ~a19~0) .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse2 (<= ~a10~0 3)))) [2020-11-28 02:59:33,703 INFO L274 CegarLoopResult]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-11-28 02:59:33,703 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,703 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,703 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,703 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,703 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 02:59:33,703 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,703 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,703 INFO L274 CegarLoopResult]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-11-28 02:59:33,704 INFO L274 CegarLoopResult]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-11-28 02:59:33,704 INFO L274 CegarLoopResult]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-11-28 02:59:33,704 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 02:59:33,704 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 02:59:33,704 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 02:59:33,704 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 02:59:33,704 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 02:59:33,704 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 02:59:33,704 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:59:33,705 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 02:59:33,705 INFO L274 CegarLoopResult]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-11-28 02:59:33,705 INFO L274 CegarLoopResult]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-11-28 02:59:33,705 INFO L274 CegarLoopResult]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-11-28 02:59:33,705 INFO L274 CegarLoopResult]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-11-28 02:59:33,705 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,705 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,705 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,706 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,706 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,706 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-11-28 02:59:33,706 INFO L274 CegarLoopResult]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-11-28 02:59:33,706 INFO L274 CegarLoopResult]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-11-28 02:59:33,706 INFO L274 CegarLoopResult]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-11-28 02:59:33,706 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 02:59:33,706 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 02:59:33,706 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 02:59:33,707 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 02:59:33,707 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 02:59:33,707 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 02:59:33,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:59:33 BoogieIcfgContainer [2020-11-28 02:59:33,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:59:33,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:59:33,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:59:33,742 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:59:33,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:19" (3/4) ... [2020-11-28 02:59:33,746 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:59:33,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:59:33,774 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 02:59:33,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:33,777 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:59:33,938 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_104233e4-fbcb-480f-9e9d-453f24e0f177/bin/uautomizer/witness.graphml [2020-11-28 02:59:33,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:59:33,939 INFO L168 Benchmark]: Toolchain (without parser) took 17193.66 ms. Allocated memory was 98.6 MB in the beginning and 339.7 MB in the end (delta: 241.2 MB). Free memory was 62.7 MB in the beginning and 137.3 MB in the end (delta: -74.6 MB). Peak memory consumption was 166.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:33,940 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 98.6 MB. Free memory was 72.1 MB in the beginning and 72.1 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:33,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.70 ms. Allocated memory is still 98.6 MB. Free memory was 62.6 MB in the beginning and 59.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:33,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.62 ms. Allocated memory is still 98.6 MB. Free memory was 59.4 MB in the beginning and 51.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:33,941 INFO L168 Benchmark]: Boogie Preprocessor took 157.30 ms. Allocated memory is still 98.6 MB. Free memory was 51.4 MB in the beginning and 46.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:33,942 INFO L168 Benchmark]: RCFGBuilder took 1753.50 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 46.1 MB in the beginning and 83.7 MB in the end (delta: -37.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:33,942 INFO L168 Benchmark]: TraceAbstraction took 14336.71 ms. Allocated memory was 125.8 MB in the beginning and 339.7 MB in the end (delta: 213.9 MB). Free memory was 83.7 MB in the beginning and 153.1 MB in the end (delta: -69.4 MB). Peak memory consumption was 143.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:33,943 INFO L168 Benchmark]: Witness Printer took 196.19 ms. Allocated memory is still 339.7 MB. Free memory was 153.1 MB in the beginning and 137.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:33,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 98.6 MB. Free memory was 72.1 MB in the beginning and 72.1 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 623.70 ms. Allocated memory is still 98.6 MB. Free memory was 62.6 MB in the beginning and 59.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 115.62 ms. Allocated memory is still 98.6 MB. Free memory was 59.4 MB in the beginning and 51.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 157.30 ms. Allocated memory is still 98.6 MB. Free memory was 51.4 MB in the beginning and 46.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1753.50 ms. Allocated memory was 98.6 MB in the beginning and 125.8 MB in the end (delta: 27.3 MB). Free memory was 46.1 MB in the beginning and 83.7 MB in the end (delta: -37.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14336.71 ms. Allocated memory was 125.8 MB in the beginning and 339.7 MB in the end (delta: 213.9 MB). Free memory was 83.7 MB in the beginning and 153.1 MB in the end (delta: -69.4 MB). Peak memory consumption was 143.3 MB. Max. memory is 16.1 GB. * Witness Printer took 196.19 ms. Allocated memory is still 339.7 MB. Free memory was 153.1 MB in the beginning and 137.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a12 == 0) && a19 <= 9) && a1 <= 23) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a10 <= 3) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((14 == a4 && a12 == 0) && a19 <= 9) && a1 <= 23) || ((14 == a4 && a10 == 0) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0)) || (((8 <= a19 && 14 == a4) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a10 <= 3) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 663 SDtfs, 978 SDslu, 47 SDs, 0 SdLazy, 3763 SolverSat, 610 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 860 GetRequests, 838 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1533occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1668 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 121 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1098 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 232 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2747 NumberOfCodeBlocks, 2747 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2734 ConstructedInterpolants, 0 QuantifiedInterpolants, 2680656 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1186 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 1765/1980 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...