./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label02.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_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label02.c -s /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/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 62866bd9334bc9e66fef5c8a3ab686f8cd6aa0c9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:20:47,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:20:47,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:20:47,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:20:47,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:20:47,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:20:47,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:20:47,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:20:47,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:20:47,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:20:47,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:20:47,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:20:47,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:20:47,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:20:47,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:20:47,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:20:47,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:20:47,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:20:47,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:20:47,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:20:47,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:20:47,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:20:47,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:20:47,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:20:47,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:20:47,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:20:47,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:20:47,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:20:47,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:20:47,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:20:47,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:20:47,338 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:20:47,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:20:47,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:20:47,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:20:47,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:20:47,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:20:47,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:20:47,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:20:47,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:20:47,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:20:47,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:20:47,382 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:20:47,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:20:47,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:20:47,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:20:47,384 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:20:47,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:20:47,385 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:20:47,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:20:47,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:20:47,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:20:47,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:20:47,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:20:47,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:20:47,386 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:20:47,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:20:47,393 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:20:47,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:20:47,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:20:47,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:20:47,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:20:47,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:20:47,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:20:47,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:20:47,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:20:47,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:20:47,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:20:47,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:20:47,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:20:47,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:20:47,398 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_736a2be6-7730-4dcb-b5de-69c911435749/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62866bd9334bc9e66fef5c8a3ab686f8cd6aa0c9 [2020-11-30 01:20:47,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:20:47,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:20:47,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:20:47,670 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:20:47,671 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:20:47,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2020-11-30 01:20:47,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/data/31de4539e/38e15f8d94a1435591cd2be90145dc8a/FLAGa6d66af46 [2020-11-30 01:20:48,294 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:20:48,295 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/sv-benchmarks/c/eca-rers2012/Problem01_label02.c [2020-11-30 01:20:48,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/data/31de4539e/38e15f8d94a1435591cd2be90145dc8a/FLAGa6d66af46 [2020-11-30 01:20:48,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/data/31de4539e/38e15f8d94a1435591cd2be90145dc8a [2020-11-30 01:20:48,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:20:48,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:20:48,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:20:48,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:20:48,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:20:48,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:20:48" (1/1) ... [2020-11-30 01:20:48,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f01325f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:48, skipping insertion in model container [2020-11-30 01:20:48,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:20:48" (1/1) ... [2020-11-30 01:20:48,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:20:48,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:20:49,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:20:49,228 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:20:49,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:20:49,347 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:20:49,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49 WrapperNode [2020-11-30 01:20:49,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:20:49,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:20:49,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:20:49,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:20:49,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:20:49,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:20:49,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:20:49,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:20:49,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... [2020-11-30 01:20:49,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:20:49,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:20:49,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:20:49,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:20:49,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/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 [2020-11-30 01:20:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:20:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:20:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:20:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:20:51,199 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:20:51,199 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:20:51,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:51 BoogieIcfgContainer [2020-11-30 01:20:51,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:20:51,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:20:51,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:20:51,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:20:51,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:20:48" (1/3) ... [2020-11-30 01:20:51,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4577600e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:20:51, skipping insertion in model container [2020-11-30 01:20:51,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:20:49" (2/3) ... [2020-11-30 01:20:51,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4577600e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:20:51, skipping insertion in model container [2020-11-30 01:20:51,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:51" (3/3) ... [2020-11-30 01:20:51,211 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label02.c [2020-11-30 01:20:51,222 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:20:51,227 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:20:51,240 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:20:51,265 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:20:51,266 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:20:51,266 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:20:51,266 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:20:51,266 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:20:51,266 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:20:51,267 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:20:51,267 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:20:51,285 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-11-30 01:20:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-30 01:20:51,294 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:51,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:51,296 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:51,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:51,302 INFO L82 PathProgramCache]: Analyzing trace with hash -776841673, now seen corresponding path program 1 times [2020-11-30 01:20:51,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:51,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910389950] [2020-11-30 01:20:51,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:51,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910389950] [2020-11-30 01:20:51,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:51,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:20:51,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104076763] [2020-11-30 01:20:51,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:51,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:51,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:51,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:51,841 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-11-30 01:20:52,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:52,935 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-11-30 01:20:52,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:52,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2020-11-30 01:20:52,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:52,952 INFO L225 Difference]: With dead ends: 529 [2020-11-30 01:20:52,952 INFO L226 Difference]: Without dead ends: 266 [2020-11-30 01:20:52,956 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 [2020-11-30 01:20:52,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-11-30 01:20:53,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-11-30 01:20:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-30 01:20:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2020-11-30 01:20:53,020 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 90 [2020-11-30 01:20:53,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:53,021 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2020-11-30 01:20:53,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2020-11-30 01:20:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-30 01:20:53,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:53,026 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:53,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:20:53,027 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:53,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:53,028 INFO L82 PathProgramCache]: Analyzing trace with hash 133618700, now seen corresponding path program 1 times [2020-11-30 01:20:53,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:53,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184418137] [2020-11-30 01:20:53,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:53,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184418137] [2020-11-30 01:20:53,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:53,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:20:53,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590071160] [2020-11-30 01:20:53,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:53,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:53,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:53,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:53,142 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand 3 states. [2020-11-30 01:20:53,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:53,777 INFO L93 Difference]: Finished difference Result 661 states and 955 transitions. [2020-11-30 01:20:53,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:53,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-11-30 01:20:53,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:53,782 INFO L225 Difference]: With dead ends: 661 [2020-11-30 01:20:53,782 INFO L226 Difference]: Without dead ends: 397 [2020-11-30 01:20:53,792 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 [2020-11-30 01:20:53,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2020-11-30 01:20:53,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2020-11-30 01:20:53,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-11-30 01:20:53,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2020-11-30 01:20:53,823 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 96 [2020-11-30 01:20:53,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:53,823 INFO L481 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2020-11-30 01:20:53,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:53,824 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2020-11-30 01:20:53,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-30 01:20:53,829 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:53,829 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:53,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:20:53,830 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:53,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:53,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1213093644, now seen corresponding path program 1 times [2020-11-30 01:20:53,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:53,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454343337] [2020-11-30 01:20:53,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-30 01:20:54,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454343337] [2020-11-30 01:20:54,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:54,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:20:54,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718646163] [2020-11-30 01:20:54,033 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:54,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:54,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:54,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:54,040 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand 3 states. [2020-11-30 01:20:54,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:54,632 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2020-11-30 01:20:54,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:54,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-11-30 01:20:54,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:54,638 INFO L225 Difference]: With dead ends: 1185 [2020-11-30 01:20:54,638 INFO L226 Difference]: Without dead ends: 790 [2020-11-30 01:20:54,639 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 [2020-11-30 01:20:54,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-11-30 01:20:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2020-11-30 01:20:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-30 01:20:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 911 transitions. [2020-11-30 01:20:54,683 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 911 transitions. Word has length 97 [2020-11-30 01:20:54,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:54,685 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 911 transitions. [2020-11-30 01:20:54,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:54,686 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 911 transitions. [2020-11-30 01:20:54,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-30 01:20:54,693 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:54,699 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:54,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:20:54,699 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:54,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:54,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1734597635, now seen corresponding path program 1 times [2020-11-30 01:20:54,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:54,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26661566] [2020-11-30 01:20:54,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:54,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26661566] [2020-11-30 01:20:54,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:54,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:20:54,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907804279] [2020-11-30 01:20:54,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:54,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:54,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:54,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:54,804 INFO L87 Difference]: Start difference. First operand 659 states and 911 transitions. Second operand 3 states. [2020-11-30 01:20:55,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:55,507 INFO L93 Difference]: Finished difference Result 1971 states and 2728 transitions. [2020-11-30 01:20:55,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:55,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-11-30 01:20:55,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:55,515 INFO L225 Difference]: With dead ends: 1971 [2020-11-30 01:20:55,515 INFO L226 Difference]: Without dead ends: 1314 [2020-11-30 01:20:55,517 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 [2020-11-30 01:20:55,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-30 01:20:55,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 921. [2020-11-30 01:20:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2020-11-30 01:20:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1204 transitions. [2020-11-30 01:20:55,548 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1204 transitions. Word has length 103 [2020-11-30 01:20:55,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:55,548 INFO L481 AbstractCegarLoop]: Abstraction has 921 states and 1204 transitions. [2020-11-30 01:20:55,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1204 transitions. [2020-11-30 01:20:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-30 01:20:55,551 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:55,551 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:55,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:20:55,551 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:55,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:55,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1320040445, now seen corresponding path program 1 times [2020-11-30 01:20:55,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:55,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386646068] [2020-11-30 01:20:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:20:55,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386646068] [2020-11-30 01:20:55,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:55,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:20:55,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885072092] [2020-11-30 01:20:55,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:55,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:55,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:55,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:55,630 INFO L87 Difference]: Start difference. First operand 921 states and 1204 transitions. Second operand 3 states. [2020-11-30 01:20:56,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:56,267 INFO L93 Difference]: Finished difference Result 2102 states and 2722 transitions. [2020-11-30 01:20:56,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:56,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-11-30 01:20:56,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:56,279 INFO L225 Difference]: With dead ends: 2102 [2020-11-30 01:20:56,279 INFO L226 Difference]: Without dead ends: 1183 [2020-11-30 01:20:56,281 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 [2020-11-30 01:20:56,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2020-11-30 01:20:56,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2020-11-30 01:20:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2020-11-30 01:20:56,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1329 transitions. [2020-11-30 01:20:56,348 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1329 transitions. Word has length 107 [2020-11-30 01:20:56,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:56,349 INFO L481 AbstractCegarLoop]: Abstraction has 1052 states and 1329 transitions. [2020-11-30 01:20:56,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1329 transitions. [2020-11-30 01:20:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-30 01:20:56,353 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:56,353 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:56,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:20:56,353 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:56,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:56,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1768360917, now seen corresponding path program 1 times [2020-11-30 01:20:56,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:56,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68769094] [2020-11-30 01:20:56,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:56,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68769094] [2020-11-30 01:20:56,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:56,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:20:56,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362148199] [2020-11-30 01:20:56,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:56,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:56,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:56,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:56,458 INFO L87 Difference]: Start difference. First operand 1052 states and 1329 transitions. Second operand 3 states. [2020-11-30 01:20:57,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:57,083 INFO L93 Difference]: Finished difference Result 2364 states and 2972 transitions. [2020-11-30 01:20:57,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:57,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-11-30 01:20:57,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:57,092 INFO L225 Difference]: With dead ends: 2364 [2020-11-30 01:20:57,092 INFO L226 Difference]: Without dead ends: 1314 [2020-11-30 01:20:57,094 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 [2020-11-30 01:20:57,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-11-30 01:20:57,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2020-11-30 01:20:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2020-11-30 01:20:57,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1621 transitions. [2020-11-30 01:20:57,139 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1621 transitions. Word has length 119 [2020-11-30 01:20:57,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:57,144 INFO L481 AbstractCegarLoop]: Abstraction has 1314 states and 1621 transitions. [2020-11-30 01:20:57,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:57,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1621 transitions. [2020-11-30 01:20:57,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-30 01:20:57,148 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:57,148 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:57,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:20:57,149 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:57,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:57,150 INFO L82 PathProgramCache]: Analyzing trace with hash 776987611, now seen corresponding path program 1 times [2020-11-30 01:20:57,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:57,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764842382] [2020-11-30 01:20:57,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:20:57,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764842382] [2020-11-30 01:20:57,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143195314] [2020-11-30 01:20:57,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/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 [2020-11-30 01:20:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:57,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:20:57,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:20:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-30 01:20:57,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:20:57,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-30 01:20:57,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959183838] [2020-11-30 01:20:57,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:57,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:57,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:57,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:20:57,584 INFO L87 Difference]: Start difference. First operand 1314 states and 1621 transitions. Second operand 3 states. [2020-11-30 01:20:58,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:58,378 INFO L93 Difference]: Finished difference Result 3674 states and 4530 transitions. [2020-11-30 01:20:58,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:58,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-30 01:20:58,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:58,392 INFO L225 Difference]: With dead ends: 3674 [2020-11-30 01:20:58,392 INFO L226 Difference]: Without dead ends: 2362 [2020-11-30 01:20:58,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:20:58,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2020-11-30 01:20:58,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 2362. [2020-11-30 01:20:58,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2020-11-30 01:20:58,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2855 transitions. [2020-11-30 01:20:58,457 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2855 transitions. Word has length 123 [2020-11-30 01:20:58,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:58,458 INFO L481 AbstractCegarLoop]: Abstraction has 2362 states and 2855 transitions. [2020-11-30 01:20:58,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:58,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2855 transitions. [2020-11-30 01:20:58,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-30 01:20:58,487 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:58,487 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:58,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-30 01:20:58,715 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:58,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:58,715 INFO L82 PathProgramCache]: Analyzing trace with hash -694021722, now seen corresponding path program 1 times [2020-11-30 01:20:58,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:58,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603027421] [2020-11-30 01:20:58,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:58,795 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 01:20:58,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603027421] [2020-11-30 01:20:58,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:20:58,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:20:58,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305978787] [2020-11-30 01:20:58,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:58,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:58,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:58,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:20:58,798 INFO L87 Difference]: Start difference. First operand 2362 states and 2855 transitions. Second operand 3 states. [2020-11-30 01:20:59,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:20:59,526 INFO L93 Difference]: Finished difference Result 5377 states and 6544 transitions. [2020-11-30 01:20:59,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:20:59,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-11-30 01:20:59,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:20:59,541 INFO L225 Difference]: With dead ends: 5377 [2020-11-30 01:20:59,541 INFO L226 Difference]: Without dead ends: 2624 [2020-11-30 01:20:59,545 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 [2020-11-30 01:20:59,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-11-30 01:20:59,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2493. [2020-11-30 01:20:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-11-30 01:20:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2818 transitions. [2020-11-30 01:20:59,607 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2818 transitions. Word has length 130 [2020-11-30 01:20:59,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:20:59,608 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2818 transitions. [2020-11-30 01:20:59,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:20:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2818 transitions. [2020-11-30 01:20:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-30 01:20:59,613 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:20:59,613 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:20:59,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:20:59,613 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:20:59,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:20:59,614 INFO L82 PathProgramCache]: Analyzing trace with hash 965568418, now seen corresponding path program 1 times [2020-11-30 01:20:59,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:20:59,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076567571] [2020-11-30 01:20:59,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:20:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 70 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-30 01:20:59,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076567571] [2020-11-30 01:20:59,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479032478] [2020-11-30 01:20:59,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/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 [2020-11-30 01:20:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:20:59,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:20:59,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:20:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-11-30 01:20:59,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:20:59,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:20:59,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426687062] [2020-11-30 01:20:59,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:20:59,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:20:59,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:20:59,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:20:59,962 INFO L87 Difference]: Start difference. First operand 2493 states and 2818 transitions. Second operand 3 states. [2020-11-30 01:21:00,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:00,539 INFO L93 Difference]: Finished difference Result 5246 states and 5939 transitions. [2020-11-30 01:21:00,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:00,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-11-30 01:21:00,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:00,554 INFO L225 Difference]: With dead ends: 5246 [2020-11-30 01:21:00,554 INFO L226 Difference]: Without dead ends: 2755 [2020-11-30 01:21:00,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:00,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2020-11-30 01:21:00,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2624. [2020-11-30 01:21:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2020-11-30 01:21:00,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2893 transitions. [2020-11-30 01:21:00,619 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2893 transitions. Word has length 155 [2020-11-30 01:21:00,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:00,619 INFO L481 AbstractCegarLoop]: Abstraction has 2624 states and 2893 transitions. [2020-11-30 01:21:00,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2893 transitions. [2020-11-30 01:21:00,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 01:21:00,624 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:00,625 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:00,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:21:00,851 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:00,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1054489320, now seen corresponding path program 1 times [2020-11-30 01:21:00,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:00,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670884740] [2020-11-30 01:21:00,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-30 01:21:00,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670884740] [2020-11-30 01:21:00,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580420259] [2020-11-30 01:21:00,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/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 [2020-11-30 01:21:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:01,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:01,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-11-30 01:21:01,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:01,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:21:01,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379930052] [2020-11-30 01:21:01,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:01,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:01,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:01,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:01,174 INFO L87 Difference]: Start difference. First operand 2624 states and 2893 transitions. Second operand 3 states. [2020-11-30 01:21:01,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:01,720 INFO L93 Difference]: Finished difference Result 3150 states and 3486 transitions. [2020-11-30 01:21:01,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:01,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-30 01:21:01,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:01,737 INFO L225 Difference]: With dead ends: 3150 [2020-11-30 01:21:01,737 INFO L226 Difference]: Without dead ends: 3148 [2020-11-30 01:21:01,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:01,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2020-11-30 01:21:01,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2020-11-30 01:21:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-11-30 01:21:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3332 transitions. [2020-11-30 01:21:01,809 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3332 transitions. Word has length 159 [2020-11-30 01:21:01,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:01,810 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3332 transitions. [2020-11-30 01:21:01,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:01,810 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3332 transitions. [2020-11-30 01:21:01,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-30 01:21:01,816 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:01,817 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:02,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 01:21:02,043 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:02,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:02,043 INFO L82 PathProgramCache]: Analyzing trace with hash 793487067, now seen corresponding path program 1 times [2020-11-30 01:21:02,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:02,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219943224] [2020-11-30 01:21:02,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 110 proven. 3 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-11-30 01:21:02,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219943224] [2020-11-30 01:21:02,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873639922] [2020-11-30 01:21:02,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:21:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:02,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:02,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:02,372 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-30 01:21:02,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:02,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:21:02,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167599509] [2020-11-30 01:21:02,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:02,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:02,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:02,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:02,374 INFO L87 Difference]: Start difference. First operand 3017 states and 3332 transitions. Second operand 3 states. [2020-11-30 01:21:02,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:02,885 INFO L93 Difference]: Finished difference Result 6949 states and 7685 transitions. [2020-11-30 01:21:02,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:02,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-11-30 01:21:02,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:02,905 INFO L225 Difference]: With dead ends: 6949 [2020-11-30 01:21:02,905 INFO L226 Difference]: Without dead ends: 3934 [2020-11-30 01:21:02,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2020-11-30 01:21:03,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3279. [2020-11-30 01:21:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3279 states. [2020-11-30 01:21:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 3625 transitions. [2020-11-30 01:21:03,018 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 3625 transitions. Word has length 189 [2020-11-30 01:21:03,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:03,018 INFO L481 AbstractCegarLoop]: Abstraction has 3279 states and 3625 transitions. [2020-11-30 01:21:03,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:03,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3625 transitions. [2020-11-30 01:21:03,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-30 01:21:03,028 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:03,028 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:03,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:21:03,255 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:03,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:03,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1051716072, now seen corresponding path program 1 times [2020-11-30 01:21:03,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:03,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731770606] [2020-11-30 01:21:03,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 109 proven. 3 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2020-11-30 01:21:03,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731770606] [2020-11-30 01:21:03,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513883387] [2020-11-30 01:21:03,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:21:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:03,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:03,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-30 01:21:03,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:03,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:21:03,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092300053] [2020-11-30 01:21:03,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:03,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:03,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:03,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:03,663 INFO L87 Difference]: Start difference. First operand 3279 states and 3625 transitions. Second operand 3 states. [2020-11-30 01:21:04,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:04,199 INFO L93 Difference]: Finished difference Result 6556 states and 7248 transitions. [2020-11-30 01:21:04,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:04,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2020-11-30 01:21:04,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:04,216 INFO L225 Difference]: With dead ends: 6556 [2020-11-30 01:21:04,216 INFO L226 Difference]: Without dead ends: 3279 [2020-11-30 01:21:04,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:04,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2020-11-30 01:21:04,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3017. [2020-11-30 01:21:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3017 states. [2020-11-30 01:21:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3313 transitions. [2020-11-30 01:21:04,295 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3313 transitions. Word has length 231 [2020-11-30 01:21:04,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:04,295 INFO L481 AbstractCegarLoop]: Abstraction has 3017 states and 3313 transitions. [2020-11-30 01:21:04,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:04,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3313 transitions. [2020-11-30 01:21:04,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-11-30 01:21:04,304 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:04,304 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:04,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-30 01:21:04,519 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:04,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:04,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1965892638, now seen corresponding path program 1 times [2020-11-30 01:21:04,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:04,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350291805] [2020-11-30 01:21:04,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 142 proven. 3 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-30 01:21:04,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350291805] [2020-11-30 01:21:04,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13385918] [2020-11-30 01:21:04,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:21:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:04,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:04,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2020-11-30 01:21:04,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:04,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:21:04,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280545444] [2020-11-30 01:21:04,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:04,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:04,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:04,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:04,886 INFO L87 Difference]: Start difference. First operand 3017 states and 3313 transitions. Second operand 3 states. [2020-11-30 01:21:05,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:05,512 INFO L93 Difference]: Finished difference Result 6687 states and 7334 transitions. [2020-11-30 01:21:05,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:05,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2020-11-30 01:21:05,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:05,528 INFO L225 Difference]: With dead ends: 6687 [2020-11-30 01:21:05,529 INFO L226 Difference]: Without dead ends: 3541 [2020-11-30 01:21:05,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:05,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3541 states. [2020-11-30 01:21:05,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3541 to 3410. [2020-11-30 01:21:05,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3410 states. [2020-11-30 01:21:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 3690 transitions. [2020-11-30 01:21:05,598 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 3690 transitions. Word has length 243 [2020-11-30 01:21:05,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:05,599 INFO L481 AbstractCegarLoop]: Abstraction has 3410 states and 3690 transitions. [2020-11-30 01:21:05,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 3690 transitions. [2020-11-30 01:21:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-11-30 01:21:05,608 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:05,608 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:05,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:21:05,823 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:05,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:05,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1368618920, now seen corresponding path program 1 times [2020-11-30 01:21:05,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:05,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298520816] [2020-11-30 01:21:05,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:05,983 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 147 proven. 3 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-11-30 01:21:05,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298520816] [2020-11-30 01:21:05,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828561669] [2020-11-30 01:21:05,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:21:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:06,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:06,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-11-30 01:21:06,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:06,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-30 01:21:06,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168722181] [2020-11-30 01:21:06,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:06,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:06,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:06,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:06,210 INFO L87 Difference]: Start difference. First operand 3410 states and 3690 transitions. Second operand 3 states. [2020-11-30 01:21:06,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:06,797 INFO L93 Difference]: Finished difference Result 6292 states and 6812 transitions. [2020-11-30 01:21:06,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:06,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2020-11-30 01:21:06,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:06,798 INFO L225 Difference]: With dead ends: 6292 [2020-11-30 01:21:06,798 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:21:06,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:21:06,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:21:06,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:21:06,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:21:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:21:06,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 248 [2020-11-30 01:21:06,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:06,804 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:21:06,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:21:06,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:21:07,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-30 01:21:07,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:21:07,942 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-11-30 01:21:08,693 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-11-30 01:21:08,695 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-30 01:21:08,695 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,696 INFO L274 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,697 INFO L274 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-11-30 01:21:08,698 INFO L274 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-30 01:21:08,699 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,700 INFO L274 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,701 INFO L274 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-11-30 01:21:08,702 INFO L274 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,703 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:21:08,704 INFO L274 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-11-30 01:21:08,704 INFO L274 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-11-30 01:21:08,704 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-30 01:21:08,704 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-30 01:21:08,704 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-30 01:21:08,704 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-30 01:21:08,704 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-30 01:21:08,704 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-30 01:21:08,704 INFO L274 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-11-30 01:21:08,705 INFO L270 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (<= ~a7~0 0)) (.cse8 (<= ~a16~0 5)) (.cse2 (<= 15 ~a8~0)) (.cse4 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse11 (<= ~a16~0 4)) (.cse3 (= ~a17~0 1)) (.cse7 (<= ~a8~0 13)) (.cse0 (= ~a21~0 1)) (.cse5 (<= ~a17~0 0)) (.cse10 (= ~a20~0 1)) (.cse6 (<= 5 ~a16~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse5 .cse4) (and .cse8 .cse9 .cse10 .cse3 .cse7) (and .cse0 .cse1 .cse10 .cse3) (and .cse11 .cse7 .cse4) (and .cse0 .cse8 .cse1 .cse10 .cse7) (and .cse0 .cse5 .cse1 .cse10) (and .cse0 .cse8 .cse3 .cse2 .cse4) (and .cse5 .cse9 .cse7) (and .cse11 .cse10 .cse3 .cse7) (and .cse0 .cse10 .cse3 .cse7) (and .cse0 .cse5 .cse10 .cse6))) [2020-11-30 01:21:08,705 INFO L274 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,705 INFO L274 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,705 INFO L274 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,705 INFO L274 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,705 INFO L274 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,705 INFO L274 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-11-30 01:21:08,705 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-30 01:21:08,705 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-11-30 01:21:08,705 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L277 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,706 INFO L274 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,707 INFO L274 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-11-30 01:21:08,708 INFO L274 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-11-30 01:21:08,709 INFO L274 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-11-30 01:21:08,709 INFO L274 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-11-30 01:21:08,709 INFO L274 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-11-30 01:21:08,709 INFO L274 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,709 INFO L270 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (<= ~a7~0 0)) (.cse8 (<= ~a16~0 5)) (.cse2 (<= 15 ~a8~0)) (.cse4 (<= ~a20~0 0)) (.cse9 (<= ~a21~0 0)) (.cse11 (<= ~a16~0 4)) (.cse3 (= ~a17~0 1)) (.cse7 (<= ~a8~0 13)) (.cse0 (= ~a21~0 1)) (.cse5 (<= ~a17~0 0)) (.cse10 (= ~a20~0 1)) (.cse6 (<= 5 ~a16~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse7) (and .cse8 .cse5 .cse4) (and .cse8 .cse9 .cse10 .cse3 .cse7) (and .cse0 .cse1 .cse10 .cse3) (and .cse11 .cse7 .cse4) (and .cse0 .cse8 .cse1 .cse10 .cse7) (and .cse0 .cse5 .cse1 .cse10) (and .cse0 .cse8 .cse3 .cse2 .cse4) (and .cse5 .cse9 .cse7) (and .cse11 .cse10 .cse3 .cse7) (and .cse0 .cse10 .cse3 .cse7) (and .cse0 .cse5 .cse10 .cse6))) [2020-11-30 01:21:08,709 INFO L274 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,709 INFO L274 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,709 INFO L274 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,709 INFO L274 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,709 INFO L274 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,710 INFO L274 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,711 INFO L274 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,711 INFO L274 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-11-30 01:21:08,711 INFO L274 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-11-30 01:21:08,711 INFO L274 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-11-30 01:21:08,711 INFO L274 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-11-30 01:21:08,711 INFO L274 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-11-30 01:21:08,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:21:08 BoogieIcfgContainer [2020-11-30 01:21:08,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:21:08,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:21:08,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:21:08,735 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:21:08,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:20:51" (3/4) ... [2020-11-30 01:21:08,738 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:21:08,759 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:21:08,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:21:08,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:21:08,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:21:08,923 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_736a2be6-7730-4dcb-b5de-69c911435749/bin/uautomizer/witness.graphml [2020-11-30 01:21:08,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:21:08,924 INFO L168 Benchmark]: Toolchain (without parser) took 20169.14 ms. Allocated memory was 88.1 MB in the beginning and 362.8 MB in the end (delta: 274.7 MB). Free memory was 54.3 MB in the beginning and 255.6 MB in the end (delta: -201.3 MB). Peak memory consumption was 72.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:08,925 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 47.7 MB in the beginning and 47.6 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:21:08,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.22 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 54.1 MB in the beginning and 66.9 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:08,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.10 ms. Allocated memory is still 107.0 MB. Free memory was 66.9 MB in the beginning and 61.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:08,926 INFO L168 Benchmark]: Boogie Preprocessor took 62.64 ms. Allocated memory is still 107.0 MB. Free memory was 61.2 MB in the beginning and 57.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:08,926 INFO L168 Benchmark]: RCFGBuilder took 1693.13 ms. Allocated memory is still 107.0 MB. Free memory was 57.0 MB in the beginning and 71.3 MB in the end (delta: -14.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:08,927 INFO L168 Benchmark]: TraceAbstraction took 17530.89 ms. Allocated memory was 107.0 MB in the beginning and 362.8 MB in the end (delta: 255.9 MB). Free memory was 70.5 MB in the beginning and 270.3 MB in the end (delta: -199.7 MB). Peak memory consumption was 207.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:08,927 INFO L168 Benchmark]: Witness Printer took 189.16 ms. Allocated memory is still 362.8 MB. Free memory was 270.3 MB in the beginning and 255.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:21:08,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory was 47.7 MB in the beginning and 47.6 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 589.22 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 54.1 MB in the beginning and 66.9 MB in the end (delta: -12.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.10 ms. Allocated memory is still 107.0 MB. Free memory was 66.9 MB in the beginning and 61.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.64 ms. Allocated memory is still 107.0 MB. Free memory was 61.2 MB in the beginning and 57.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1693.13 ms. Allocated memory is still 107.0 MB. Free memory was 57.0 MB in the beginning and 71.3 MB in the end (delta: -14.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17530.89 ms. Allocated memory was 107.0 MB in the beginning and 362.8 MB in the end (delta: 255.9 MB). Free memory was 70.5 MB in the beginning and 270.3 MB in the end (delta: -199.7 MB). Peak memory consumption was 207.8 MB. Max. memory is 16.1 GB. * Witness Printer took 189.16 ms. Allocated memory is still 362.8 MB. Free memory was 270.3 MB in the beginning and 255.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((((((((a21 == 1 && a7 <= 0) && 15 <= a8) && a17 == 1) && a20 <= 0) || (((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && 5 <= a16) && a8 <= 13)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((((a16 <= 5 && a21 <= 0) && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a8 <= 13) && a20 <= 0)) || ((((a21 == 1 && a16 <= 5) && a7 <= 0) && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1)) || ((((a21 == 1 && a16 <= 5) && a17 == 1) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && a21 <= 0) && a8 <= 13)) || (((a16 <= 4 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((((((((a21 == 1 && a7 <= 0) && 15 <= a8) && a17 == 1) && a20 <= 0) || (((a17 <= 0 && a7 <= 0) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && 5 <= a16) && a8 <= 13)) || ((a16 <= 5 && a17 <= 0) && a20 <= 0)) || ((((a16 <= 5 && a21 <= 0) && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || ((a16 <= 4 && a8 <= 13) && a20 <= 0)) || ((((a21 == 1 && a16 <= 5) && a7 <= 0) && a20 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a7 <= 0) && a20 == 1)) || ((((a21 == 1 && a16 <= 5) && a17 == 1) && 15 <= a8) && a20 <= 0)) || ((a17 <= 0 && a21 <= 0) && a8 <= 13)) || (((a16 <= 4 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a20 == 1) && a17 == 1) && a8 <= 13)) || (((a21 == 1 && a17 <= 0) && a20 == 1) && 5 <= a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1188 SDtfs, 1463 SDslu, 73 SDs, 0 SdLazy, 4517 SolverSat, 722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1377 GetRequests, 1349 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3410occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 2096 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 59 NumberOfFragments, 367 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2774 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1000 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3438 NumberOfCodeBlocks, 3438 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3417 ConstructedInterpolants, 0 QuantifiedInterpolants, 1107946 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2973 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 21 InterpolantComputations, 14 PerfectInterpolantSequences, 3385/3406 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...